CN104791539B - Electromagnetism variable-area controls valve - Google Patents
Electromagnetism variable-area controls valve Download PDFInfo
- Publication number
- CN104791539B CN104791539B CN201510193984.4A CN201510193984A CN104791539B CN 104791539 B CN104791539 B CN 104791539B CN 201510193984 A CN201510193984 A CN 201510193984A CN 104791539 B CN104791539 B CN 104791539B
- Authority
- CN
- China
- Prior art keywords
- lower house
- mounting surface
- upper shell
- sector gear
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 3
- 229910000545 Nickel–aluminium alloy Inorganic materials 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002912 waste gas Substances 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to a kind of turbocharger accessory, guide vane in specifically a kind of utilization motor regulation turbocharger opens and closes the electromagnetism variable-area control valve of angle, including motor, lower house, upper shell and position feedback device, the motor and upper shell are installed on the lower house, the position feedback device is arranged on the upper shell, transmission mechanism is provided with the lower house, the transmission mechanism includes a sector gear, the sector gear drives rotation by the motor, the lower house lower section is provided with adjusting rod, the sector gear is connected by a rotating shaft with the adjusting rod, the sector gear is provided with driving lever away from the side of the adjusting rod, the moving block with shifting block is provided with the position feedback device, the moving block stirs rotation by the driving lever.Present invention control is accurate, is quick on the draw, stable performance.
Description
Technical field
The present invention relates to a kind of turbocharger accessory, in specifically a kind of utilization motor regulation turbocharger
Guide vane opens and closes the electromagnetism variable-area control valve of angle.
Background technology
Section adjustable turbocharger is widely used on the superior automobiles such as benz, BMW, Ferrari, Sa Bo, using can
Adjusting section technology can make turbocharger reduce nozzle cross-section by adjusting guide vane in low speed, so as to reach reduction
The purpose of exhaust resistance, makes the torque characteristics of engine be greatly improved, and waste gas discharge quality is also accordingly improved.It is existing
Have the variable-area booster in technology more and use pneumatic mode, controlled using electronic valve or vacuum valve, executive mechanism element leads to
Frequently with stroke connecting rod more long, whole mechanism structure is cumbersome, performs reaction slowly, turbo lag easily occurs, and energy consumption is higher, performance
Unstable, control accuracy has much room for improvement, and traditional pneumatic means can only work as the air inflow of turbocharger higher than 0.2 handkerchief
When, valve could automatically turn on work, it is impossible to which air burning ratio reaches best in accurate guarantee engine.
The content of the invention
Angle is opened and closed it is an object of the invention to provide the guide vane in a kind of utilization motor regulation turbocharger
Electromagnetism variable-area controls valve, and control is accurate, is quick on the draw, stable performance.
The purpose of the present invention is achieved through the following technical solutions：
A kind of electromagnetism variable-area controls valve, including motor, lower house, upper shell and position feedback device, the motor
It is installed on the lower house with upper shell, the position feedback device is arranged on the upper shell, in the lower house
Transmission mechanism is provided with, the transmission mechanism includes a sector gear, and the sector gear drives rotation by the motor, described
Lower house lower section be provided with adjusting rod, the sector gear is connected by a rotating shaft with the adjusting rod, the sector gear away from
The side of the adjusting rod is provided with driving lever, and moving block is provided with the position feedback device, and the moving block is dialled by described
Bar stirs rotation.
The transmission mechanism also includes driving gear, driven gear and worm screw, the driving tooth in addition to the sector gear
Wheel is connected with the output shaft of the motor, the driving gear and driven gear intermeshing, the driven gear and the snail
Bar is connected, and the worm screw is meshed with the sector gear.
The lower house is provided with orthogonal first mounting surface and the second mounting surface, first mounting surface and second
It is all provided with fluted on mounting surface, the driving gear and driven gear are arranged in the groove on first mounting surface, described
Sector gear is arranged in the groove on second mounting surface, along perpendicular to the side of first mounting surface in the lower house
To an inner chamber is provided with, the worm screw is to be arranged in the inner chamber.
The motor is arranged on first mounting surface, and the upper shell is arranged on second mounting surface.
The upper shell is provided with a deep-slotted chip breaker, and the driving lever is passed by the deep-slotted chip breaker.
Induction chip is provided with the position feedback device, the side of the position feedback device is provided with data output.
The upper shell is made of APP96 materials, and fuse is contained in the upper shell.
The lower house is made of nickel alumin(i)um alloy, and the lower house is installed on turbocharger body by bolt.
The mounting hole that three axially bored lines are parallel to each other is provided with lower house.
The moving block is respectively provided on two sides with shifting block, and the driving lever offsets with the shifting block of the moving block side.
Advantages of the present invention is with good effect：
1st, automatically controlled execution unit of the invention uses stepper motor, solves conventional electronic valve and vacuum valve uses cooperatively shape
Into executive mechanism element it is cumbersome, perform that reaction is slow, the problem of turbo lag easily occur, control is accurate high, stable performance.
2nd, using the transmission torque of driving gear set, worm screw and sector gear, overall structure compact improves the present invention
The driving torque and degree of regulation of executing agency.
3rd, the present invention stirs the moving block in position feedback device by the driving lever on sector gear, makes position feedback device
Interior induction chip accurately senses angle change and sends vehicle-mounted computer in time, and whole mechanism is quick on the draw, and improves supercharging
Response time and acceleration capacity during the device slow-speed of revolution, the economy of engine fuel is improve, save energy improves discharge product
Matter, makes engine emission reach international standard more than Europe IV.
4th, upper and lower casing of the invention is respectively adopted APP96 fireproof high-temperature resistants material and nickel alumin(i)um alloy is made, material
Resistance to elevated temperatures is strong, and effect of heat insulation is preferable, the electronic component in effective protective housing.
Brief description of the drawings
Fig. 1 is structural representation of the invention,
Fig. 2 is the structural representation of the lower house in Fig. 1,
Fig. 3 is the A direction views in Fig. 2,
Fig. 4 is the sectional view of the lower house in Fig. 2,
Fig. 5 is transmission mechanism schematic diagram of the invention in Fig. 1,
Fig. 6 is the B direction views in Fig. 5,
Fig. 7 is the structural representation one of the upper shell in Fig. 1,
Fig. 8 is the structural representation two of the upper shell in Fig. 1.
Wherein, 1 is motor, and 2 is lower house, and 3 is upper shell, and 4 is position feedback device, and 5 is sector gear, and 6 is rotating shaft,
7 is the second mounting surface, and 8 is the first mounting hole, and 9 is driving lever, and 10 is worm screw, and 11 is the second mounting hole, and 12 is driven gear, and 13 are
First mounting surface, 14 is the 3rd mounting hole, and 15 is moving block, and 16 is data output, and 17 is adjusting rod, and 18 is deep-slotted chip breaker, 19
It is turbocharger body, 20 is driving gear, and 21 is inner chamber.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention includes motor 1, lower house 2, upper shell 3 and position feedback device 4, wherein such as Fig. 2~3
Shown, the lower house 2 is provided with the mounting surface 7 of orthogonal first mounting surface 13 and second, and motor 1 is arranged on described first
On mounting surface 13, upper shell 3 is arranged on second mounting surface 7, and position feedback device 4 is arranged on the upper shell 3, institute
State motor 1 to be connected with vehicle-mounted computer by circuit respectively with position feedback device 4, the motor 1 is stepper motor.
Transmission mechanism is provided with the lower house 2, as shown in figure 5, the transmission mechanism includes driving gear 20, driven tooth
Wheel 12, worm screw 10 and sector gear 5, be all provided with first mounting surface 13 and the second mounting surface 7 of lower house 2 it is fluted, it is described
Driving gear 20 and driven gear 12 are intermeshed and are arranged in the groove on first mounting surface 13, the driven gear
12 shaft ends for being packed in worm screw 10, as shown in figure 4, edge is provided with one perpendicular to the direction of the first mounting surface 13 in the lower house 2
Inner chamber 21, the worm screw 10 is arranged in the inner chamber 21, and the opening communicated with outside is provided with the cavity wall of the inner chamber 21,
The worm screw 10 engages with sector gear 5 at the opening of the inner chamber 21, and the sector gear 5 is arranged at described second and installs
In groove on face 7, as shown in Fig. 5~6, the sector gear 5 is packed in a rotating shaft 6, and the rotating shaft 6 is away from the sector
One end of gear 5 extend out to outside lower house 2 and is connected with adjusting rod 17, and motor 1 will pass through the transmission mechanism and drive the tune
Pole 17 is rotated, so that the adjusting rod 17 adjusts angle by the guide vane inside nozzle ring linkage booster, it is described
Adjusting rod 17 adjusts guide vane angle and is known in the art technology by nozzle ring.
As shown in figures 5-8, the sector gear 5 is provided with driving lever 9 away from the side of the adjusting rod 17, in position feedback
Moving block 15 is provided with device 4, the moving block 15 is respectively provided on two sides with a shifting block, a deep-slotted chip breaker is provided with upper shell 3
18, the driving lever 9 by the deep-slotted chip breaker 18 pass and with the position feedback device 4 in the side of moving block 15 shifting block phase
Support, drive the driving lever 9 to stir moving block 15 when sector gear 5 is rotated and rotate, sensing core is provided with position feedback device 4
The angle that piece sensing moving block 15 is rotated, this is known in the art technology, is provided with for exporting in the side of position feedback device 4
The data output 16 of angle-data, the data output 16 is connected by circuit with vehicle-mounted computer.
It is raw material that the shell of the upper shell 3 uses APP96 fireproof high-temperature resistant materials, is resistance to height the characteristics of this raw material
It is warm, indeformable, do not collapse, with it is reliable keep stability and it is light the characteristics of, it is soft using 3D views during processing upper shell 3
Part makes housing drawing model on demand, and drawing size is input into injection machine, and with APP cast molds, resistance to 800 DEG C high
Temperature, the electron plate for preventing control containing fuse in upper shell 3 overloads, and the shell of the lower house 2 uses nickel alumin(i)um alloy
As raw material, resistance to 1200 DEG C of high temperature, material resistance to elevated temperatures is strong, effect of heat insulation is preferable.
As shown in Figures 1 to 3, the lower house 2 is installed on turbocharger body 19 by bolt, on lower house 2
Three mounting holes of diameter parallel are provided with, wherein lower house 2 is provided with the first mounting hole away from one end of first mounting surface 13
8, lower house 2 is respectively equipped with the second mounting hole 11 and the 3rd mounting hole 14 near one end of first mounting surface 13.
Operation principle of the invention is：
During present invention work, vehicle-mounted computer is calculated required for most suitable turbocharger pressure and current booster
Guide vane sectional area size, the position of adjusting rod 17 is changed after calculating by the drive transmission device of motor 1 inside the present invention, and
By the guide vane inside nozzle ring linkage booster, its angle opened/close is adjusted, fed back by position during this
To vehicle-mounted computer be adjusted the position Real-time Feedback of adjusting rod 17 by device 4, so as to meet booster in various working conditions changes
It is required that, the variable cross section of turbine is realized, the air supply system of turbocharger is in all the time with the combustion system of engine optimal
Working condition, meets comprehensive optimization of engine performance, so as to obtain best power source and optimum discharge effect.
The present invention works as air burning ratio in engine and is less than 1:When 12.7, vehicle-mounted computer control electrically-controlled valve opens variable cross section
9 degree~32 degree.When air burning ratio reaches 1 in engine:When 14.7, vehicle-mounted computer controls automatically controlled valve regulation variable cross section angle
Degree, control air enters the quantity of engine and then protects engine.
Claims (6)
1. a kind of electromagnetism variable-area controls valve, it is characterised in that：Including motor (1), lower house (2), upper shell (3) and position
Feedback device (4), the motor (1) and upper shell (3) are installed on the lower house (2), the position feedback device (4)
On the upper shell (3), transmission mechanism is provided with the lower house (2), the transmission mechanism includes a sector gear
(5), the sector gear (5) is driven by the motor (1) and rotated, and lower house (2) lower section is provided with adjusting rod (17), institute
State sector gear (5) to be connected with the adjusting rod (17) by a rotating shaft (6), the adjusting rod (17) is by nozzle ring and turbine
Guide vane linkage inside booster, the sector gear (5) is provided with driving lever (9) away from the side of the adjusting rod (17),
Moving block (15) is provided with the position feedback device (4), the moving block (15) stirs rotation by the driving lever (9)；
The transmission mechanism also includes driving gear (20), driven gear (12) and worm screw (10) in addition to the sector gear (5),
The driving gear (20) is connected with the output shaft of the motor (1), and the driving gear (20) and driven gear (12) are mutually
Engagement, the driven gear (12) is connected with the worm screw (10), and the worm screw (10) is meshed with the sector gear (5)；
The lower house (2) is provided with orthogonal first mounting surface (13) and the second mounting surface (7), first mounting surface
(13) and on the second mounting surface (7) it is all provided with fluted, the driving gear (20) and driven gear (12) are arranged at described first
In groove on mounting surface (13), the sector gear (5) is arranged in the groove on second mounting surface (7), it is described under
Along an inner chamber (21) is provided with perpendicular to the direction of first mounting surface (13) in housing (2), the worm screw (10) is to be arranged at
In the inner chamber (21)；
The upper shell (3) is provided with a deep-slotted chip breaker (18), and the driving lever (9) is passed by the deep-slotted chip breaker (18)；
Induction chip is provided with the position feedback device (4), the side of the position feedback device (4) is provided with data output
(16), the data output (16) is connected by circuit with vehicle-mounted computer.
2. electromagnetism variable-area according to claim 1 controls valve, it is characterised in that：The motor (1) is installed in described
On first mounting surface (13), the upper shell (3) is on second mounting surface (7).
3. electromagnetism variable-area according to claim 1 controls valve, it is characterised in that：The upper shell (3) uses APP96
Number material is made, and fuse is contained in the upper shell (3).
4. electromagnetism variable-area according to claim 1 controls valve, it is characterised in that：The lower house (2) uses nickel aluminium
Alloy is made, and the lower house (2) is installed on turbocharger body (19) by bolt.
5. electromagnetism variable-area according to claim 4 controls valve, it is characterised in that：Three are provided with lower house (2)
The mounting hole that axially bored line is parallel to each other.
6. electromagnetism variable-area according to claim 1 controls valve, it is characterised in that：Moving block (15) the both sides difference
Shifting block is provided with, the driving lever (9) offsets with the shifting block of the moving block (15) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193984.4A CN104791539B (en) | 2015-04-22 | 2015-04-22 | Electromagnetism variable-area controls valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193984.4A CN104791539B (en) | 2015-04-22 | 2015-04-22 | Electromagnetism variable-area controls valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104791539A CN104791539A (en) | 2015-07-22 |
| CN104791539B true CN104791539B (en) | 2017-07-07 |
Family
ID=53556582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510193984.4A Active CN104791539B (en) | 2015-04-22 | 2015-04-22 | Electromagnetism variable-area controls valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791539B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296610A (en) * | 2019-07-26 | 2019-10-01 | 福建农林大学 | Iris formula variable cross section guiding device and its working method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6145538A (en) * | 1998-04-13 | 2000-11-14 | Samsung Electronics Co., Ltd. | Flow control valve employing a step motor |
| CN101415970A (en) * | 2006-04-07 | 2009-04-22 | 博格华纳公司 | Actuator with integrated drive mechanism |
| CN201866381U (en) * | 2010-11-30 | 2011-06-15 | 浙江博恩自控阀门有限公司 | Valve electric actuator with indicating device |
| CN104235469A (en) * | 2014-04-24 | 2014-12-24 | 程显东 | Electromagnetic adjustable-section control valve |
| CN204611040U (en) * | 2015-04-22 | 2015-09-02 | 凤城市东宁动力有限公司 | A kind of electromagnetism variable-area control valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8136789B2 (en) * | 2007-10-30 | 2012-03-20 | Molon Motor And Coil Corporation | Drain valve actuators and methods of controlling drain valves |
-
2015
- 2015-04-22 CN CN201510193984.4A patent/CN104791539B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6145538A (en) * | 1998-04-13 | 2000-11-14 | Samsung Electronics Co., Ltd. | Flow control valve employing a step motor |
| CN101415970A (en) * | 2006-04-07 | 2009-04-22 | 博格华纳公司 | Actuator with integrated drive mechanism |
| CN201866381U (en) * | 2010-11-30 | 2011-06-15 | 浙江博恩自控阀门有限公司 | Valve electric actuator with indicating device |
| CN104235469A (en) * | 2014-04-24 | 2014-12-24 | 程显东 | Electromagnetic adjustable-section control valve |
| CN204611040U (en) * | 2015-04-22 | 2015-09-02 | 凤城市东宁动力有限公司 | A kind of electromagnetism variable-area control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104791539A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104131885B (en) | Valve driving equipment and the booster with the valve driving equipment | |
| CN104791539B (en) | Electromagnetism variable-area controls valve | |
| CN106438022A (en) | Bypass air bleeding mechanism of turbocharger and design method of bypass air bleeding mechanism | |
| CN206606158U (en) | A kind of full passive blade formula variable air inlet grid | |
| CN204611040U (en) | A kind of electromagnetism variable-area control valve | |
| CN103266949B (en) | Turbocharger with lever braking flow-passage-changeable | |
| CN102011663A (en) | Engine air intake system and motorcycle thereof | |
| CN204386766U (en) | The step motion control choke of Carburetor | |
| CN104314660A (en) | Electric control variable flow engine cooling water pump | |
| CN201065802Y (en) | Frequency changing quantitative oil-supply device for fuel oil | |
| CN206299457U (en) | A kind of bypass air-release mechanism of turbocharger | |
| CN112635795B (en) | Fuel cell air pressure adjusting device and system | |
| CN2916154Y (en) | Rotary vane variable cross-section turbocharger | |
| CN204212844U (en) | Electric control variable flow engine cooling water pump | |
| CN201982169U (en) | Air intake adjusting device of variable channel turbine | |
| CN221647130U (en) | A new type of air compressor thrust adjustment block | |
| CN206487558U (en) | A kind of control system of electronic throttle valve of motorcycle based on stepper motor | |
| CN1290806A (en) | Turbosupercharger for Internal combustion engine in vehicle | |
| CN108952834A (en) | Double-current steam turbine | |
| CN219452470U (en) | Blade opening adjusting device and forced draught blower | |
| CN206016955U (en) | A kind of variable geometry turbocharger blade opening control device | |
| CN222420811U (en) | High-precision temperature adjusting device | |
| CN219865254U (en) | Throttle control device for aeroengine test | |
| CN117869005A (en) | Turbine shell with adjusting mechanism | |
| CN216680128U (en) | A horizontal cold chamber die casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |