CN110291311A - Transmission for vehicles with the fluid space separated - Google Patents
Transmission for vehicles with the fluid space separated Download PDFInfo
- Publication number
- CN110291311A CN110291311A CN201880011273.2A CN201880011273A CN110291311A CN 110291311 A CN110291311 A CN 110291311A CN 201880011273 A CN201880011273 A CN 201880011273A CN 110291311 A CN110291311 A CN 110291311A
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- China
- Prior art keywords
- fluid
- section
- transmission
- fin
- case
- Prior art date
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- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 338
- 230000005540 biological transmission Effects 0.000 title claims abstract description 100
- 230000001914 calming effect Effects 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 10
- 238000005086 pumping Methods 0.000 description 6
- 239000006260 foam Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0452—Oil pans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0453—Section walls to divide a gear sump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0457—Splash lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0458—Oil-mist or spray lubrication; Means to reduce foam formation
- F16H57/0461—Means to reduce foam formation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0484—Gearings with gears having orbital motion with variable gear ratio or for reversing rotary motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to a kind of transmission for vehicles (10), it is with case of transmission (12), multiple axis (20, 22, and multiple wheel groups (25) 24), the axis can be rotated to support on the case of transmission (12), the wheel group is supported on the axis (20, 22, 24) on, wherein constituting in the bottom section of the case of transmission (12) has fluid bottom case (30), the fluid bottom case (30) is wherein provided with fluid space (40), the fluid space is used for by fluid bottom case (30) limit and constituting, the fluid of the fluid bottom case (30) and the calm fluid accommodated are come from receiving.Herein, the fluid space (40) opens up and there is fluid to enter section (B), enter section via the fluid, fluid can be entered from top in the fluid space (40), wherein enter in section (B) in the fluid and is provided with fluid calming arrangements (66), before base segment (A) flowing that fluid continues towards the fluid space (40), the fluid calming arrangements calmness enters the fluid that fluid enters in section (B) from top.
Description
Technical field
The present invention relates to a kind of transmission for vehicles, have case of transmission, multiple axis and multiple wheel groups, the axis rotatable
Ground is supported on case of transmission, and the wheel group is supported on axis, wherein constituting in the bottom section of case of transmission has stream
Body bottom case, wherein being disposed adjacently fluid space with fluid bottom case, the fluid space is separated and is constituted with fluid bottom case
For accommodating the fluid for coming from fluid bottom case and keeping accommodated fluid calm.
Background technique
This transmission for vehicles is known for example from 103 08 560B4 of document DE.In the known transmission for vehicles
Container is provided with beside oil sump in case of transmission inner side, the container is used as the oil storage for hydraulic device
Storage, wherein case of transmission has the partition wall for the towering-up being arranged beside oil sump, at the partition wall rear in speed change
On device shell constitute have shell nozzle, the shell nozzle is closed by shielding part, and wherein container open upward and via
The opening filling injection oil on top.
A kind of oil circuit of internal combustion engine known from 100 62 550A1 of document DE has refill container, described
Refill container is connect with oil circuit via refilling pipeline and go back to skirt road.It is provided in refilling circuit according to profit
The regulating element of fuel-flow control in lubricating oil circuit.For lubricating oil to be returned to time guiding to refill container and refilling in pipeline
Skirt road is jointly fitted to each other to draw so that the oil stream that process refills pipeline when needed is greater than to pass through back with regulating element
The oil stream of pipeline.
100 51 356A1 of document DE discloses a kind of speed changer of internal-combustion reciprocating-pisto, have oil sump and with
Oil sump is associated, oil pump for main oil return line, and the additional oil deposit of wherein at least one is associated with oil sump, described
Oil deposit is effectively connect with oil pump.
A kind of speed changer for motor vehicles known from 10 214 107 659A1 of document DE, wherein fluid loads
System has pump and fluid bottom case and at least one fluid reservoir.Fluid reservoir includes first be passed through in fluid bottom case
Fluid flow outlet.First fluid outflux can relatively be controlled with state variable.
10 215 107 815A1 of document DE discloses another speed changer for motor vehicles, wherein the speed change
Device has fluid loading system.Fluid loading system includes at least one fluid bottom case.Speed changer has first clutch.Fluid
Loading system includes at least one first fluid loading equipemtn, and the first fluid loading equipemtn is designed for, controllably to the
One clutch loads the fluid for coming from fluid bottom case.First fluid loading equipemtn has at least one first leak and at least one
A first pump.First pump can be run along at least one pumping direction and at least one pumping direction.First leak includes extremely
A few first fluid reservoir.First fluid reservoir is designed for, and inhibits empty along pumping direction in the first pump operation
The suction of gas.
Summary of the invention
In this context, the object of the present invention is to propose a kind of improved motor vehicle transmission.
Above-mentioned purpose is accomplished in that fluid space is opened simultaneously upward in the transmission for vehicles being initially referred to
And there is fluid to enter section, entering section fluid via the fluid can enter in fluid space from top, wherein flowing
Body, which enters in section, is provided with fluid calming arrangements, and the fluid calming arrangements, which make to enter fluid from top, to be entered in section
Fluid is calm before continuing the base segment flowing towards fluid space.
By making the stream before the fluid entered in fluid space is in the base segment for reaching fluid space on top
Body enters measure calm in section, and the fluid of entrance can be preferably calm and deaerates when necessary.
Fluid calming arrangements, which preferably comprise, to be used for, make enter fluid down so as to cause: the fluid is preferably from fluid
Enter in the base segment of fluid space at calming arrangements along the inner wall of fluid space.Particularly, pass through fluid calming arrangements
Realize: fluid does not drop onto base segment substantially, but can for example flow into bottom section in side-walls, so that being located at
Fluid in bottom section unnecessarily will not be vortexed or blister.
The suction of fluid is carried out preferably by means of pump in the base segment of fluid space.It is especially by bottom section
The measure that fluid that is calm and being included in has deaerated, it can be ensured that: it is suited well for connecing by the fluid that pumping is inhaled
Get off and used in hydraulic device, such as operating clutch or operation transmission components.Because the fluid of blistering can draw
Play Pressure stimulation, this especially can be when carrying out pressure control it is unfavorable, pressure control is operating motor vehicles speed change
Preferably applied pressure control when the clutch of device.
The base segment of fluid space seals preferably with respect to fluid bottom case and preferably limits the minimum in fluid space
Fluid levels or fluid minimum level.Minimum level is preferably provided at fluid and enters below section.
Generally also it is possible that fluid space is until fluid enters above section both relative to the sealing of fluid bottom case.
It can be realized on the whole, the fluid space separated can be filled targetedly, the preferred high and top of the fluid space
Narrowly constitute.It include that fluid in fluid space can carry out calm and degassing by the measure in structure, especially calming arrangements.
Minimum level in fluid space is preferably higher than following horizontal, carries out the pumping of fluid by pump in the level
It inhales.
Generally, more fluids can be introduced into total system when necessary by fluid space, without improving fluid
Fluid levels in bottom case and cause spatter loss.
More precisely, can be realized when necessary by fluid space: the level of fluid bottom case is lower than wheel group at runtime,
So that there is not spatter loss.
Currently term " on " and "lower" are interpreted as, gravity is orientated from the top down.Term " upward open " therefore, it is intended that:
The fluid being arranged in the region of the opening of fluid space is dripped downwards due to gravity.
This term of calm fluid is based on: being reduced fluid speed in this region and/or is reduced fluid in the area
Rambling movement, more precisely, entering the fluid state above section especially with respect in fluid.
Fluid calming arrangements are preferably configured as, so that reaching the bottom of fluid space in the fluid entered towards fluid space
Before in section, the fluid labyrinth type at least once, preferably at least at least turn to three times twice and particularly preferably.Herein
Especially preferably fluid is in fluid calming arrangements inside spin shape or convoluted guidance, and wherein fluid is entering fluid
Before in the base segment in space at least once, it preferably at least at least turns to three times twice and particularly preferably.
Here, the steering of fluid can substantially carry out in a radial plane.In another design scheme, the steering of fluid
Axially carry out, that is to say, that proceed as follows: so that fluid axially flow it is primary and along
Opposite axial direction flowing is primary.Especially preferably, the combination of radial and axial steering allows to carry out one kind of fluid
The guidance of convoluted.
On the whole, by means of fluid calming arrangements preferably it is possible that by fluid in the base segment of fluid space
" foam " is kept as few.Preferably, the surface of the fluid in base segment is as calm as possible and less blisters.
Generally, it is furthermore preferred that leakage feedback device is set as, so that the leakage feedback device will not cause town
The vortex in quiet region preferably will not cause to be vortexed in the outside of " foam ".
The hydraulic device of bearing for lubrificated wheels group and/or lubrificated wheels group fills herein more particularly to be configured to injection lubrication
It sets, wherein fluid is inhaled by means of pumping and then targetedly drawn via the junction of channel towards bearing and/or wheel group
It leads.
The purpose is especially perfect to be realized.
According to an especially preferred embodiment, fluid calming arrangements have multiple fins, and the fin protrudes into fluid
Into in the cross section of section.
The cross section that fluid enters section, which corresponds to, enters section through fluid along transverse to the direction of gravity direction
Section.Preferably, the cross section is along horizontally arranged.It can be realized by fin: into the fluid in fluid space
Become calm before in the bottom section that it reaches fluid space.
It is preferred here that multiple fins have at least one first side rib piece and at least one second side fin, it is described
First side rib piece is extend into the cross section that fluid enters section from the side that fluid enters section, and second side fin is from stream
The opposite side that body enters section is protruded into fluid and is entered in the cross section of section.
Can be realized in this way: the calmness of fluid can realize independently with entry angle as far as possible, it is described into
Enter fluid under angle to enter in section from above to up to fluid.
In this case furthermore in particular it is preferred that the first side rib piece and second side fin are overlapped, so that fluid enters
The overwhelming majority of the cross section of section, especially entire part are hidden in axial top view by first and/or second side fin
Lid, wherein particularly preferably due to the overlapping of the first side rib piece and second side fin, the base segment of fluid space enters in fluid
It is invisible from top in the axial of section.
Realize in this way: fluid can not directly reach the base portion of fluid space from the top that fluid enters section
Duan Zhong, that is to say, that be not on direct " fluid channel ".More precisely, fluid calming arrangements through such composition
Can be realized: fluid is captured at side rib piece and then targetedly flows downward out or flow away to bottom at side rib piece
In region.Into bottom section flow downward herein with fluid can directly from flow into enter section above reach base segment
Region in situation compared to can be carried out by the smaller speed of fluid.
According to another preferred embodiment, at least one fin in multiple fins enters an inclination of section from fluid
It tiltedly upwardly extends, so that fin forms fluid chute.
By this measure in the region of fluid calming arrangements carry out fluid collection, the fluid therefore
It can deaerate in the region of fluid calming arrangements.The bubble and/or foam of precipitation can be escaped up by intrinsic buoyancy.
Preferably, the fluid partially or fully to have deaerated then flows out fin, and fluid is in chute in the fin
Edge on flow and then along the side wall of fluid space reach base segment in.
Furthermore on the whole advantageously, at least one fin axially the fin other at least one is staggered ground
Setting, so that the fluid entered in fluid calming arrangements axially turns at least once.
Fin can be tilted with respect to the horizontal plane with vertical axis herein, so as to targetedly realize axial turn to.
Herein in particular it is preferred that fluid calming arrangements are configured to, so that fluid axially turns at least once
And turned at least once along radial direction, that is to say, that in sagittal plane internal turn, so that realizing that a kind of convolution accelerates
The labyrinth type of formula guides.
Furthermore on the whole advantageously, at least one fin is associated with the case of transmission section of case of transmission,
In at least one other fin it is associated with the clutch housing section of case of transmission.
It particularly, in this case can be advantageous in configuration aspects when these fins are arranged with being staggered in the axial direction
Fluid calming arrangements are realized on ground, because fluid calming arrangements are then made of such as lower section, the section manufactures independently of one another,
That is, be for example made of the case of transmission section of case of transmission and clutch housing section, wherein case of transmission
Section and clutch housing section are screwed on each other via sealing flange.
According to another preferred embodiment, the preamble of the embodiment combination claim 1 describes the present invention,
There is fluid space fluid to enter section, and the fluid enters section and enters section cross section with fluid, wherein fluid space
Entering above section in fluid has capture section, and the capture section has capture cross section, and the capture cross section is greater than
Fluid enters section cross section.
It can be realized: can be realized for accommodating from transmission case body region associated with fluid bottom case in this way
The relatively large opening of the fluid left.
In other words, the injection fluid for coming from the relatively large amount in fluid bottom case region can be received, the injection fluid exists
It is captured in relatively large capture section and subsequently enters the smaller fluid in relatively narrow or cross section and enter in section.
In this embodiment, the preamble of described embodiment combination Fig. 1 describes the present invention, also can be in no fin
In the case where realize fluid calming arrangements.Preferably, when needing to be rapidly filled with fluid space, fin can be saved.It is saving
In the case where removing fin, preferably ensured that by fluid calming arrangements: oil together with its if possible existing " foam " itself
Cause calmness, preferably passes through the accordingly selected vertical height of fluid space.
It is preferred here that fluid space has base segment, the base segment has bottom cross section, the bottom
Cross section is greater than fluid and enters section cross section.
It can be realized in this way: the relatively large volume for the fluid in the region of base segment be provided, and
Entering in fluid space can only realize via relatively small cross section, and the cross section enters section by fluid and limits
It is fixed.
Preferably, bottom cross section is greater than capture cross section.However, capture cross section also can in some embodiments
Enough it is greater than bottom cross section.
It is also advantageous that fluid space is upwardly through sieve limit.
It can be realized in this case: only " clean ", that is, the fluid being screened reaches in fluid space.
Thus, it is possible to further increase the functionality of pump, pump aspiration fluid from the base segment of fluid space.
Generally, fluid space can be filled by least one of following filling feasibilities: via injection stream on
Body filling and/or the region below the smallest packed height of fluid space are filled out by means of coming from the fluid of fluid supply apparatus
It fills.
It can for example be assisted in the following way from top via injection fluid filling: on the top of case of transmission
So-called fluid wafer breaker (Fluidhobel) or fluid " trap " are provided in region, it can will at runtime by means of it
The fluid sprayed upwards is targetedly directed in fluid space or in the region of the capture section of fluid space.
Another feasibility of filling preferably carries out in the region below the smallest packed height of fluid space, more precisely
Say that the fluid by means of coming from fluid supply apparatus carries out in ground.
Come from the fluid of fluid supply apparatus at this more particularly to be from the lubricating arrangement of actuator and/or hydraulic device
The fluid led is returned, however also can be leak fluid, the leak fluid is returned for example from pump, baffle etc. and led.
Generally, fluid space method can be formed in different ways, such as by intrinsic container, the container is inserted
Enter into case of transmission and can for example be manufactured by plastics or metal.However it is universal it is also contemplated that, fluid space
It is formed by the section of case of transmission and from the component that outside is connected on case of transmission.In this case preferred that
The fluid space being consequently formed outside case of transmission is via corresponding interface and enclosure interior space or transmission for vehicles
Other components connection.
In particular it is preferred that fluid space is empty by the fluid in case of transmission and at least one insertion case of transmission
Between side wall formed.
Fluid space can be formed in a simple manner as a result,.Under in some cases, fluid space side wall can also lead to
The a part for crossing case of transmission is formed, that is to say, that is constituted one-piece with case of transmission.
Fluid space side wall, it is such as such in the container being either internally or externally arranged on case of transmission, also can
It is manufactured by plastics, or is manufactured by metal material.
It can be realized: more fluids being introduced into the system on the whole when necessary, and the stream in wheel group region
Body fluid position is not improved at runtime, because fluid space can accommodate additional fluid volume.It is preferred that generating relative to high gas
The robustness of the raising of the foaming grade of body share (air share) or transmission fluid.As a result, if from fluid space
The fluid pumped out is for example for clutch or the actuator of transmission components, then can be realized the improvement of controllability,
The improvement of function and comfort level in real currently all driving status when necessary.In addition, the drop of oil degradation can be generated when necessary
It is low, more precisely, being generated by the lesser air share in Tribological Systems.In addition, can be realized pressure when necessary
The improvement of service life of the sensor in identical hydraulic circuit, because pressure sensor may be passed through because of bubble (air bubble)
By pressure peak.
Transmission for vehicles also can be the speed change with manual shift more particularly to be the transmission for vehicles automated
Device.In the speed changer of automation, transmission for vehicles can be between internal combustion engine and real speed changer with single point
The gear shift transmission of the automation of luxuriant clutch.However, drive motor also can be comprising electric drive unit or as pure electronics
Vehicle or as hybrid vehicle.In addition, transmission for vehicles can be double-clutch speed changer.Preferably, hydraulic device has
There are pump, pump aspiration fluid from the base segment of fluid space.Hydraulic device is preferably included for operation transmission components
Such as the actuator of shift clutch, and/or the actuator for operating at least one following clutch, the actuator conduct
Starting clutch and separation clutch are arranged in front of transmission for vehicles and are preferably accommodated in the section of case of transmission.
It should be understood that the feature that will be illustrated be previously mentioned before and following not only can be in the combination provided respectively
Middle use, and can use or be used alone in other combinations, without departing from protection scope of the present invention.
Detailed description of the invention
The embodiment of the present invention is shown in the accompanying drawings and elaborates in following description.Attached drawing is shown:
The schematic cross-sectional view of transmission for vehicles according to embodiment of the present invention is shown in Fig. 1,
Fig. 2 shows the schematic cross-sectional views of the transmission for vehicles of another embodiment according to the present invention.
Specific embodiment
The illustrated motor vehicle transmission 10 in schematic form in Fig. 1 can be that the shift of automation becomes
Fast device or double-clutch speed changer.
Transmission for vehicles 10 has case of transmission 12 in a way known, and the case of transmission has downside 14
With upside 16.Case of transmission 12 is configured to the shell of multi-piece type.The axial direction that a part of case of transmission is shown in FIG. 1 is bowed
View, the part can be connect by means of flange 18 with another part of case of transmission, such as be connected with case of transmission top cover
It connects.
Input shaft device 20 can be rotated to support in case of transmission 12, and the input shaft device for example can be single
Input shaft, however can also pass through two axis (inner shaft and hollow when motor vehicle transmission 10 has double-clutch speed changer
Axis) it is formed.In addition, the first output shaft 22 and the second output shaft 24 can be rotated to support in case of transmission 12.Axis 20,22,
24 are connected to each other via wheel group, and as known per se, wherein wheel group preferably can be switched to power by means of shift clutch
In stream, so that the gear in this way to transmission for vehicles 10 is shifted gears.The preferred tool of transmission for vehicles 10 there are five or
More forward ranges and at least one reversing gear.Preferably, transmission for vehicles 10 has lucky 6,7,8 or 9 forward gears
Position.
Output shaft 22,24 is coupled with differential mechanism 26, and the differential mechanism is contained in case of transmission 12.Differential mechanism 26 again with
Driven axle 28 couples, that is to say, that for by the power distribution absorbed to the driven axle 28, such as in the prior art this
As body is known.
Fluid bottom case is formed comprising fluid 29 in case of transmission 12 and in the bottom section of case of transmission 12
30.Bottom case liquid level is shown with 32 in Fig. 1, the bottom case liquid level can be arranged in the stationary state of transmission for vehicles 10 takes turns
Above the section of the bottom of group.At runtime, bottom case liquid level 32 is preferably provided at below the section of the bottom of wheel group.Differential
Device 26 is sealed preferably with respect to fluid bottom case 30.There can be the fluid bottom case of itself in differential mechanism 26, however also can be certainly
The fluid of body is included in, and the fluid is not contacted with the fluid 29 for coming from fluid bottom case.
Also constituting in case of transmission 12 has fluid space 40.Fluid space 40 relative to fluid bottom case 30 by limit simultaneously
And for accommodating the fluid for coming from fluid bottom case, on the one hand to reduce bottom case liquid 32 at runtime.On the other hand, fluid
Space 40 is for keeping fluid calm, so that can pass through hydraulic device aspiration fluid from fluid space 40.
Currently by 41 limit of base segment, the base segment is formed fluid space 40 by case of transmission 12.This
Outside, fluid space 40 is equally passed through case of transmission 12 and is formed by 42 limit of the first side wall section, the first side wall section.
The second sidewall section 44 being arranged at interval with the outer wall of case of transmission 12 can be configured to one of case of transmission 12
Point, that is to say, that for example cast one-piece with it.However, second sidewall section 44 can also be formed by independent component,
The component is inserted into case of transmission 12.
In addition, schematically showing rear wall section 46 in Fig. 1, the rear wall section can for example pass through case of transmission
Transverse to axis 20,22,24 stretch wall formed.Another wall segment can for example be formed by transmission top cover etc., however this
It is not shown in Fig. 1.
Second sidewall section 44 upwardly extends in the first relatively short vertical section 48 first from base segment 41.The
And then one vertical section 48 is transitioned into first level section 50, the first level section is fixed towards the first side wall section 42
To.First level section 50 is transitioned into the second vertical section 52, and the second vertical section is parallel to the first side wall section 42
Stretching, extension is oriented in a manner of gradually becoming taper with regard to this.Second vertical section 52 is also connect with the second horizontal section 54, institute
It states the second horizontal section and extends from the second vertical section 52 far from the first side wall section 42.
Second horizontal section 54 forms the upside of fluid space 40 to limit the maximum level 56 of fluid space 40.
Fluid space 40 is by the way that side wall section 42,44 is divided into base segment A along vertical direction, fluid enters section B
With capture section C.Capture section C leaves from the upside of fluid space 40 and passes through the second level basically about its cross section
Section 54 limits.From capturing section C, the cross section of fluid space 40 enters that section B is tapered, and the fluid enters towards fluid
The cross section of section is less than the cross section of capture section C.
From fluid enters section B, the cross section of fluid space 40 increases again, because the cross section of base segment A is general
All over the cross section for entering section B greater than fluid.
It also shows that the base segment A in fluid space 40 is internally provided with the first pump suction point 58 and second in Fig. 1
Pump suction point 60.In addition, leakage feedback device 62 is internally provided in base segment A, via the leakage feedback device example
It can such as use from the retaining device of hydraulic device or come from the leakage stream of pump and be passed straight back in fluid space 40.Because of packet
Fluid not impurity gas being contained in hydraulic device, being generated as leak fluid, so the leak fluid can be introduced directly into
Into the base segment A of fluid space 40, and the aggregation of gas etc. is not caused at this.In addition, leakage rate be it is relatively small, make
Other disturbances of vortex or fluid will not be caused in the inside of base segment A by obtaining.
Preferably, it pumps suction point 58,60 and leaks 64 lower section of minimum liquid level that feedback device 62 is located at fluid space 40.
Minimum liquid level 64 is limited by the packed height of fluid space 40, in any normal method of operation of transmission for vehicles all
It is not less than the packed height.Overflow port 65 can be for example set above minimum liquid level 64 in second sidewall section 44,
Via the overflow port, being increased to the fluid beyond minimum liquid level 64 can be led by returning into fluid bottom case 30.However, overflow port
65 can also save, and overflow can be formed only by the top edge of second sidewall section 44, particularly by capture section C's
Top edge is formed.
Enter in section B in fluid and be provided with fluid calming arrangements 66, the fluid calming arrangements currently comprise as fin
Calming arrangements.
Fluid calming arrangements 66 have multiple the first fins 68 being overlappingly arranged up and down, and first fin is from second side
Wall segment 44 extends to fluid and enters in section B, more precisely, entering in section B under angle [alpha], the angle for example can
Enough in the range of 5 °≤α≤70 °.In addition, fluid calming arrangements 66 include multiple second fins 70, second fin is same
Sample is overlappingly arranged to stagger arrangement up and down relative to each other along vertical direction as fin 68.Second fin 70 is similarly angularly
Extend under angle beta upwards, the angle can be identical as angle [alpha] or can be located in similar range.
Second fin 70 enters in section B from extending to fluid the first side wall section 42, more precisely, towards first
Side wall section 42 extends.
First fin 68 and the second fin 70 are laminated in up and down in overlapping region 72, so that fluid enters the cross of section B
Most or preferably entire parts in section are covered in axial by the first fin 68 and/or the second fin 70.
It can be seen in fig. 1 that in motor vehicles operation due to 76 spray upwards of direction of rotation injection oil of axis 20,22
It penetrates.The injection oil reaches in the region being located above capture section C.When necessary, this can be assisted by fluid wafer breaker 78,
The fluid wafer breaker schematically indicates that in Fig. 1.
Capture section C can carry out limit upwardly through fluid sieve 80, so that the fluid entered in capture section C is entering
It is screened to be cleaned first before in capture section C.
In the embodiment of one alternative of transmission for vehicles shown in FIG. 1, fin 68,70 can also be saved.?
In the variations, in particular it is preferred that capture section C is in vertical top view compared with intermediate fluid calmness section B
With bigger cross section.It is furthermore preferred that the base segment A of fluid space 40 enters in vertical top view with fluid
Section B, which is compared, has bigger cross section, so that capture section C enters above section B in fluid has bigger cross section simultaneously
And base segment A has bigger cross section again compared with fluid enters section B.
Fig. 2 shows the embodiments of an alternative of transmission for vehicles, and the embodiment is about structure and function mode
Generally correspond to embodiment shown in FIG. 1.Therefore, identical element is indicated by identical appended drawing reference.Below
In substantially illustrate difference.
It is determined first in transmission for vehicles 10 ' shown in figure 2, case of transmission 12 is by case of transmission section 12A
It is formed with clutch housing section 12B, wherein these shell parts 12A, 12B are connected to each other via circular flange.Clutch
Shell part 12B and case of transmission section 12A axially one by one so that flange section is generally radially
Ground orientation.
In addition, it includes in the fluid calming arrangements 66 ' of calm rib arrangement form, the fluid town that fluid, which enters section B,
Quiet device has at least one fin 68 ', and axially the fin 70 ' other at least one is set the fin with being staggered
It sets, so that axially being turned at least once into the fluid in fluid calming arrangements 66 '.
Fin 68 ' and fin 70 ' are preferably associated from different shell parts herein, that is to say, that fin 68 ' for example with
Clutch housing section 12B is associated, and other fin 70 ' is associated with case of transmission section 12A.
As illustrated in Figure 2, the fluid importeding into fluid calmness section B wriggles with circling round accelerating type herein
Base segment A is flowed to, more precisely, it is preferred that wriggling on curved face flows to base segment, so that realizing via fin stream
The good degassing of fluid out.
Fin 68 ', 70 ' can be respectively structured as straight fin, however be preferably configured as curved fin, the fin example
As can be also formed by curved shell part.
It also shows that fin 70 ' extends to the upper end that fluid enters section B in Fig. 2, so that the fin 70 ' limits most
Big liquid level 56 ', liquid can be directed in fluid space 40 until the maximum level.And then, fluid starts via rib
The upper seamed edge of piece 70 ' overflows in fluid bottom case 30, as passed through shown by another arrow in Fig. 2.Correspondingly, fin
70 ' upper seamed edge is indicated in Fig. 2 with 65 ', because the fin subsequently forms a kind of overflow port.
As mentioned, preferably at least a fin is formed by case of transmission section 12A, and at least one is another
Outer fin is formed by clutch housing section 12B.Each shell part can more simply be made in structure as a result,
More precisely, being made for example by simpler mold.
Claims (12)
1. a kind of transmission for vehicles (10) has case of transmission (12), multiple axis (20,22,24) and multiple wheel groups (25), institute
Stating axis can be rotated to support on the case of transmission (12), and the wheel group is supported on the axis (20,22,24), wherein
Constituting in the bottom section of the case of transmission (12) has fluid bottom case (30), wherein adjacent to the fluid bottom case (30)
It is provided with fluid space (40), the fluid space is used for by fluid bottom case (30) limit and constituting, and institute is come from receiving
The fluid of fluid bottom case (30) and the calm fluid accommodated are stated,
It is characterized in that,
The fluid space (40) opens up and there is fluid to enter section (B), enters section, fluid via the fluid
It can be entered from top in the fluid space (40), be provided with fluid calmness wherein entering in section (B) in the fluid
Device (66), before base segment (A) flowing that fluid continues towards the fluid space (40), the fluid calming arrangements
Calmness enters the fluid that fluid enters in section (B) from top.
2. transmission for vehicles according to claim 1, which is characterized in that the fluid calming arrangements (66) have multiple ribs
Piece (68,70), the fin protrude into the fluid and enter in the cross section of section (B).
3. transmission for vehicles according to claim 2, which is characterized in that the multiple fin (68,70) has at least one
A first side rib piece (68) and at least one second side fin (70), the first side rib piece enter section (B) from the fluid
Side extend into the fluid and enter in the cross section of section (B), second side fin enters section (B) from the fluid
Opposite side protrude into the fluid and enter in the cross section of section (B).
4. transmission for vehicles according to claim 3, which is characterized in that the first side rib piece (68) and described second side
Fin (70) is overlapped up and down so that the fluid enter the cross section of section (B) the overwhelming majority in axial by institute
It states the first side rib piece and/or second side fin (68,70) covers.
5. the transmission for vehicles according in claim any one of 2 to 4, which is characterized in that the multiple fin (68,
70) at least one fin in is extended obliquely upward from the side that the fluid enters section (B), so that the fin (68,70)
Form fluid chute.
6. transmission for vehicles according to any one of claim 1 to 5, which is characterized in that at least one fin (68 ') edge
The axial direction fin (70 ') other at least one be arranged with being staggered so that entering the fluid calming arrangements (66 ')
In fluid axially turn at least once.
7. the transmission for vehicles according to any one of claim 2 to 6, which is characterized in that at least one fin with it is described
The case of transmission section (12A) of case of transmission section (12) is associated, the other fin of wherein at least one and the change
The clutch housing section (12B) of fast device shell (12) is associated.
8. vehicle speed variation as described in the preamble according to any one of claim 1 to 7 or according to claim 1
Device, which is characterized in that the fluid space (40) have fluid enter section (B), the fluid enter section with fluid into
Enter section cross section, wherein the fluid space (40) has capture section (C) in the top that the fluid enters section (B),
The capture section has the capture cross section that than the fluid to enter section cross section bigger.
9. transmission for vehicles according to claim 8, which is characterized in that the fluid space (40) has base segment
(A), the base segment has the bottom cross section that than the fluid to enter section cross section bigger.
10. transmission for vehicles according to any one of claim 1 to 9, which is characterized in that the fluid space (40) to
It is upper to pass through sieve (80) limit.
11. transmission for vehicles according to any one of claim 1 to 10, which is characterized in that the fluid space (40)
It can be filled by least one of following filling feasibilities: via injection fluid (76) filling and/or in the stream on
It is filled by means of coming from the fluid of fluid supply apparatus (62) in region below the smallest packed height (64) in body space (40).
12. transmission for vehicles according to any one of claim 1 to 11, which is characterized in that the fluid space (40)
By the case of transmission (12) and at least one be inserted into the fluid space side wall (44) in the case of transmission (12)
It is formed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017102527.8 | 2017-02-09 | ||
| DE102017102527.8A DE102017102527A1 (en) | 2017-02-09 | 2017-02-09 | Vehicle transmission with delimited fluid space |
| PCT/EP2018/052321 WO2018145963A1 (en) | 2017-02-09 | 2018-01-31 | Vehicle transmission with delimited fluid chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110291311A true CN110291311A (en) | 2019-09-27 |
| CN110291311B CN110291311B (en) | 2023-06-27 |
Family
ID=61198810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880011273.2A Active CN110291311B (en) | 2017-02-09 | 2018-01-31 | Vehicle transmission with isolated fluid spaces |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3580478A1 (en) |
| CN (1) | CN110291311B (en) |
| DE (1) | DE102017102527A1 (en) |
| WO (1) | WO2018145963A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025008016A1 (en) * | 2023-07-05 | 2025-01-09 | Schaeffler Technologies AG & Co. KG | Electrically operable axle drive train |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3094438B1 (en) * | 2019-03-25 | 2021-11-12 | Renault Sas | MECHANISM CASING AND GEARBOX WITH A LUBRICATION OIL QUICK RETURN RIB |
| US11280396B2 (en) * | 2019-11-13 | 2022-03-22 | Rolls-Royce Corporation | Fire resistant gearbox housing |
| DE102020203948A1 (en) | 2020-03-26 | 2021-09-30 | Zf Friedrichshafen Ag | Oil equalization space for a gearbox |
| CN114688217A (en) * | 2020-12-25 | 2022-07-01 | 法雷奥动力系统(南京)有限公司 | Power transmission system of electric vehicle |
| CN112879547B (en) * | 2021-03-18 | 2025-05-30 | 株洲齿轮有限责任公司 | A method and structure for ensuring sufficient active lubrication and oil absorption of a three-in-one transmission |
| CN113738858B (en) * | 2021-08-13 | 2022-08-05 | 麦格纳动力总成(江西)有限公司 | Wet-type double-clutch transmission and automobile |
| DE102021132150A1 (en) | 2021-12-07 | 2023-06-07 | Schaeffler Technologies AG & Co. KG | Transmission with an oil supply between two transmission chambers; and methods of operating the transmission |
| DE102022200155B3 (en) * | 2022-01-10 | 2023-02-23 | Zf Friedrichshafen Ag | Arrangement with a bottom bracket gear for a bicycle or pedelec |
| DE102022213075A1 (en) * | 2022-12-05 | 2024-06-06 | Zf Friedrichshafen Ag | Hydraulic system with buffer storage for holding a foamed liquid |
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| EP0294697A1 (en) * | 1987-06-06 | 1988-12-14 | Iveco Magirus Aktiengesellschaft | Transmission with splash lubrication |
| EP1452778A2 (en) * | 2003-02-27 | 2004-09-01 | GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG | Automated gearbox for motor vehicles |
| US20100180721A1 (en) * | 2009-01-19 | 2010-07-22 | Magna Powertrain Ag & Co Kg | Transmission With Lubrication Device |
| CN103518078A (en) * | 2011-03-17 | 2014-01-15 | 索尤若驱动有限及两合公司 | Reducer device |
| JP5429364B2 (en) * | 2010-03-31 | 2014-02-26 | アイシン・エィ・ダブリュ株式会社 | Vehicle transmission |
| US20150204436A1 (en) * | 2012-07-24 | 2015-07-23 | Honda Motor Co., Ltd. | Baffle plate and transmission provided with the same |
| DE102016200065A1 (en) * | 2015-01-19 | 2016-07-21 | Borgwarner Inc. | FLUID RETENTION AND FILTER ELEMENT FOR A HYDRAULIC DISTRIBUTION GEARBOX |
| US9410609B1 (en) * | 2015-09-29 | 2016-08-09 | Borgwarner Inc. | Passively fed bypass filter for splash lubrication |
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| DE1291966B (en) * | 1968-02-29 | 1969-04-03 | Hurth Masch Zahnrad Carl | Lubricating device for gear transmission when starting |
| US4630711A (en) * | 1984-06-27 | 1986-12-23 | Societe Anonyme D.B.A. | Device for lubricating a geartrain |
| DE10051356B4 (en) | 2000-10-17 | 2004-05-06 | Daimlerchrysler Ag | Transmission for a reciprocating internal combustion engine |
| DE10062550A1 (en) | 2000-12-15 | 2002-06-20 | Daimler Chrysler Ag | Lubricating oil circuit for IC engines has re-fill and return pipes and adjusting member, adapted to each other so that lubricant flow through re-fill pipe is larger than through return pipe if required |
| DE102006022964A1 (en) * | 2006-05-12 | 2007-11-22 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Fluid expansion tank and gearbox equipped therewith |
| DE102014107659A1 (en) | 2014-05-30 | 2015-12-03 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Transmission for a motor vehicle |
| DE202014102985U1 (en) | 2014-07-01 | 2014-07-29 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Transmission for a motor vehicle |
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2017
- 2017-02-09 DE DE102017102527.8A patent/DE102017102527A1/en active Pending
-
2018
- 2018-01-31 WO PCT/EP2018/052321 patent/WO2018145963A1/en not_active Ceased
- 2018-01-31 EP EP18704904.4A patent/EP3580478A1/en not_active Withdrawn
- 2018-01-31 CN CN201880011273.2A patent/CN110291311B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0294697A1 (en) * | 1987-06-06 | 1988-12-14 | Iveco Magirus Aktiengesellschaft | Transmission with splash lubrication |
| EP1452778A2 (en) * | 2003-02-27 | 2004-09-01 | GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG | Automated gearbox for motor vehicles |
| US20100180721A1 (en) * | 2009-01-19 | 2010-07-22 | Magna Powertrain Ag & Co Kg | Transmission With Lubrication Device |
| JP5429364B2 (en) * | 2010-03-31 | 2014-02-26 | アイシン・エィ・ダブリュ株式会社 | Vehicle transmission |
| CN103518078A (en) * | 2011-03-17 | 2014-01-15 | 索尤若驱动有限及两合公司 | Reducer device |
| US20150204436A1 (en) * | 2012-07-24 | 2015-07-23 | Honda Motor Co., Ltd. | Baffle plate and transmission provided with the same |
| DE102016200065A1 (en) * | 2015-01-19 | 2016-07-21 | Borgwarner Inc. | FLUID RETENTION AND FILTER ELEMENT FOR A HYDRAULIC DISTRIBUTION GEARBOX |
| US9410609B1 (en) * | 2015-09-29 | 2016-08-09 | Borgwarner Inc. | Passively fed bypass filter for splash lubrication |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025008016A1 (en) * | 2023-07-05 | 2025-01-09 | Schaeffler Technologies AG & Co. KG | Electrically operable axle drive train |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018145963A1 (en) | 2018-08-16 |
| DE102017102527A1 (en) | 2018-08-09 |
| EP3580478A1 (en) | 2019-12-18 |
| CN110291311B (en) | 2023-06-27 |
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