CN107060938A - A kind of novel changable air inlet system and exhaust system - Google Patents
A kind of novel changable air inlet system and exhaust system Download PDFInfo
- Publication number
- CN107060938A CN107060938A CN201710184497.0A CN201710184497A CN107060938A CN 107060938 A CN107060938 A CN 107060938A CN 201710184497 A CN201710184497 A CN 201710184497A CN 107060938 A CN107060938 A CN 107060938A
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- Prior art keywords
- valve
- exhaust
- inlet
- control system
- electronic control
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- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention provides a kind of novel changable air inlet system and exhaust system, including inlet manifold, inlet pipe connection, electronic control system, magnetic valve, exhaust main, valve actuating mechanism, exhaust duct one, exhaust valve one, inlet valve two, air intake duct two, air intake duct one, inlet valve one, exhaust valve two and exhaust duct two, the inlet manifold also connects exhaust duct one by inlet pipe connection, the magnetic valve is arranged on inlet pipe connection, and is connected with electronic control system signal.The present invention can take into account the state of starting operating and conventional operating mode of engine, improve the overall performance of engine.When engine is in state of starting operating, 3 inlet valves are now formed, the air valve structure of an exhaust valve increases inlet flow sectional area, reduce average pressure rise in intake resistance, charge increase, cylinder, be conducive to catching fire, improve cold start；When engine is in conventional operating mode, 2 inlet valves are formed, the air valve structure of 2 exhaust valves, gas inlet and outlet are all more unimpeded, and engine overall performance is improved.
Description
Technical field
The invention belongs to technical field of internal combustion engines, more particularly, to a kind of novel changable air inlet system and exhaust system.
Background technology
Internal combustion engine coefficient of charge refers to that internal combustion engine often circulates the fresh charge m of actual suction cylinder1With with shape in air inlet pipe
State is full of the theoretical charge m of displacementshThe ratio between.The coefficient of charge of internal combustion engine reflects the degree of perfection of intake process,
It is the important indicator of measured engine performance.
Because the scavenging period of internal combustion engine is a dynamic process, research shows, in numerous influence factors, reduces air inlet
The fluid resistance loss of journey, improves air inlet end of a period pressure, is to improve the maximally effective measure of coefficient of charge, is especially risen in engine
During dynamic.Two classes can be divided into by the property of air inlet system flow resistance, a class is on-way resistance, i.e. tube friction,
It is relevant with flow velocity, pipe range, tube wall surface quality etc.；Another kind of is local resistance, it be due to flow area size, shape with
And the change of flow direction causes the local loss produced caused by vortex.In internal combustion engine inlet air flow is dynamic, due to admission line
Tubbiness, wall smoother, its on-way resistance is simultaneously little.Therefore local resistance loss is the main loss in flow process, it
It is formed by stacking by a series of local resistance, especially at air cleaner, runner turning and inlet valve seat ring, therefore, drop
The local resistance loss at these low positions, the flow resistance to reducing gas handling system, improving coefficient of charge has remarkable effect.
Modern Engine rotating speed more and more higher, in intake process it can also happen that gas flowing choking phenomenon,
Especially in state of starting operating, so as to cause intake resistance to increase, coefficient of charge is substantially reduced, and then influences engine performance.Grind
Study carefully and show, to reduce flow losses at inlet valve, can be addressed in terms of increase circulation area.
The content of the invention
In view of this, the present invention is directed to propose a kind of novel changable air inlet system and exhaust system, realize three inlet valves, one exhaust
The switching of door or two inlet valves and two exhaust valve structures.In engine state of starting operating, pass through three inlet valves
Increase inlet flow sectional area, reduce intake resistance, greatly improve coefficient of charge, and then improve engine performance.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of novel changable air inlet system and exhaust system, including inlet manifold, inlet pipe connection, electronic control system, magnetic valve, row
Gas house steward, valve actuating mechanism, exhaust duct one, exhaust valve one, inlet valve two, air intake duct two, air intake duct one, inlet valve one, row
Valve two and exhaust duct two, the inlet manifold connect inlet valve one and inlet valve by air intake duct one with air intake duct two respectively
Two, the exhaust main connects exhaust valve one and exhaust valve two by exhaust duct one with exhaust duct two respectively；The inlet manifold
Exhaust duct one is also connected by inlet pipe connection, the magnetic valve is arranged on inlet pipe connection, and believed with electronic control system
Number connection, electronic control system control connection valve actuating mechanism, valve actuating mechanism driving inlet valve one, inlet valve
2nd, exhaust valve one and exhaust valve two work.
Further, when engine is in state of starting operating, the electronic control system makes the magnetic valve be in unlatching shape
State, and the valve stroke rule of exhaust valve one is adjusted to inlet valve valve stroke rule by the electronic control system；When starting
Machine is in conventional operating mode, and the electronic control system is closed the magnetic valve, and the electronic control system will
The valve stroke rule of exhaust valve one is adjusted to exhaust valve valve stroke rule.
Further, the valve actuating mechanism is Electromagnetic Valve Actuation mechanism, the inlet valve one, inlet valve two, row
Valve one and exhaust valve two are to pass through electronically controlled electro-hydraulic valve；The electronic control system passes through the Electromagnetic Valve Actuation
Mechanism controls valve stroke.
Relative to prior art, the present invention has the advantage that：
(1) present invention can preferably take into account the state of starting operating and conventional operating mode of engine, improve the complete machine of engine
Energy.When engine is in state of starting operating, 3 inlet valves are now formed, the air valve structure of an exhaust valve increases inlet flow
Sectional area, reduces average pressure rise in intake resistance, charge increase, cylinder, is conducive to catching fire, improves cold start；Work as hair
When motivation is in conventional operating mode, 2 inlet valves are formed, the air valve structure of 2 exhaust valves, the inlet and outlet process of engine is recovered
Normally, gas inlet and outlet are all more unimpeded, and engine overall performance is improved.
(2) expansion application of the invention is wide, can be widely applied to passenger car, commercial car, agricultural machinery and engineering,
Mine diesel engine.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the profile of novel changable air inlet system and exhaust system described in the embodiment of the present invention；
Fig. 2 is the top view of novel changable air inlet system and exhaust system described in the embodiment of the present invention.
Description of reference numerals：
1st, inlet manifold；2nd, inlet pipe connection；3rd, Electromagnetic Valve Actuation mechanism；4th, electronic control system；5th, magnetic valve；6、
Exhaust main；7th, exhaust duct one；8th, exhaust valve one；9th, inlet valve two；10th, air intake duct two；11st, air intake duct one；12nd, inlet valve
One；13rd, exhaust duct two；14th, exhaust valve two.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, 2, novel changable of embodiment of the present invention air inlet system and exhaust system, including inlet manifold 1, inlet pipe connection 2,
Electromagnetic Valve Actuation mechanism 3, electronic control system 4, magnetic valve 5, exhaust main 6, exhaust duct 1, exhaust valve 1, inlet valve
29, air intake duct 2 10, air intake duct 1, inlet valve 1, exhaust valve 2 14 and exhaust duct 2 13, wherein the inlet manifold 1
For the inlet manifold after supercharging；
The inlet manifold 1 connects inlet valve 1 and inlet valve 29 by air intake duct 1 with air intake duct 2 10 respectively,
The exhaust main 6 connects exhaust valve 1 and exhaust valve 2 14 by exhaust duct 1 with exhaust duct 2 13 respectively；
The inlet manifold 1 also connects exhaust duct 1 by inlet pipe connection 2, and the magnetic valve 5 is arranged on air inlet connection
On pipe 2, and it is connected with the control of electronic control system 4；So as to the inlet manifold 1, exhaust duct 1, inlet pipe connection 2, electromagnetism
Valve 5, Electromagnetic Valve Actuation mechanism 3 realizes a variable intake and exhaust channel jointly with electronic control system 4.By controlling electromagnetism
The switching being turned on and off to realize exhaust valve 1 between intake and exhaust of valve 5, so as to realize three inlet valves, one row
The switching of air valve structure or two inlet valves and two exhaust valve structures.
When engine is in state of starting operating, the electronic control system 4 makes the magnetic valve 5 be in opening, and institute
State electronic control system 4 and the valve stroke rule of exhaust valve 1 is adjusted to inlet valve valve stroke rule；When engine is normal
When advising operating mode, the electronic control system 4 is closed the magnetic valve 5, and the electronic control system 4 will be vented
The valve stroke rule of door 1 is adjusted to exhaust valve valve stroke rule.
Described one end of Electromagnetic Valve Actuation mechanism 3 is connected with the electronic control system 4, the other end respectively with inlet valve one
12nd, inlet valve 29, exhaust valve 1 and exhaust valve 2 14 are connected, the inlet valve 1, inlet valve 29, exhaust valve 1 and row
Valve 2 14 is to pass through electronically controlled electro-hydraulic valve；The electronic control system 4 by the Electromagnetic Valve Actuation mechanism 3 come
Control valve stroke.
The course of work of the present embodiment：
In state of starting operating, electronic control system 4 by control magnetic valve 5 make magnetic valve 5 be in opening, gas by
Inlet manifold 1 enters exhaust duct 1 through inlet pipe connection 2, finally enters exhaust valve 1, will be vented by electronic control system 4
The valve stroke rule of door 1 is adjusted to inlet valve valve stroke rule, now forms 3 inlet valves, the gas of an exhaust valve
Door, inlet flow sectional area increase, intake resistance is reduced, charge increase, average pressure rise in cylinder, is conducive to
Fire, improves cold start-up.
In conventional operating mode, electronic control system 4 is by controlling magnetic valve 5 to be closed magnetic valve 5, and air inlet connects
Adapter 2 is not connected to exhaust duct 1, and the valve stroke rule of exhaust valve 1 is adjusted into exhaust valve by electronic control system 4
Valve stroke rule, gas respectively enters inlet valve 1 and air inlet by inlet manifold 1 through air intake duct 1 and air intake duct 2 10
Door 29, is discharged, now shape after gas in the jar acting by exhaust valve 1 and exhaust valve 2 14 through exhaust duct 1 and exhaust duct 2 13
Into 2 inlet valves, the air valve structure of 2 exhaust valves, gas inlet and outlet are all more unimpeded, and engine overall performance is improved.
Therefore, a kind of novel changable air inlet system and exhaust system of the invention can preferably take into account the state of starting operating and routine of engine
Operating mode, improves the overall performance of engine, when engine is in state of starting operating, now forms 3 inlet valves, an exhaust valve
Air valve structure, increase inlet flow sectional area, reduce intake resistance, charge increase, average pressure rise in cylinder, favorably
In catching fire, improve cold start；When engine is in conventional operating mode, 2 inlet valves, the air valve structure of 2 exhaust valves, gas are formed
Body inlet and outlet are all more unimpeded, and engine overall performance is improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (3)
1. a kind of novel changable air inlet system and exhaust system, it is characterised in that：Including inlet manifold (1), inlet pipe connection (2), electronics control
System (4) processed, valve actuating mechanism (3), magnetic valve (5), exhaust main (6), exhaust duct one (7), exhaust valve one (8), air inlet
Two (9) of door, air intake duct two (10), air intake duct one (11), inlet valve one (12), exhaust valve two (14) and exhaust duct two (13),
The inlet manifold (1) connects inlet valve one (12) and inlet valve by air intake duct one (11) with air intake duct two (10) respectively
Two (9), the exhaust main (6) connects exhaust valve one (8) and exhaust valve by exhaust duct one (7) with exhaust duct two (13) respectively
Two (14)；
The inlet manifold (1) also connects exhaust duct one (7) by inlet pipe connection (2), and the magnetic valve (5) is arranged on air inlet
In connecting tube (2), and it is connected with electronic control system (4) signal, electronic control system (4) the control connection valve actuation machine
Structure (3), valve actuating mechanism (3) driving inlet valve one (12), inlet valve two (9), exhaust valve one (8) and exhaust valve two (14) work
Make.
2. novel changable air inlet system and exhaust system according to claim 1, it is characterised in that：When engine is in state of starting operating,
The electronic control system (4) makes the magnetic valve (5) be in opening, and the electronic control system (4) is by exhaust valve
The valve stroke rule of one (8) is adjusted to inlet valve valve stroke rule；When engine is in conventional operating mode, the Electronic Control
System (4) is closed the magnetic valve (5), and the electronic control system (4) is by the valve liter of exhaust valve one (8)
Journey rule is adjusted to exhaust valve valve stroke rule.
3. novel changable air inlet system and exhaust system according to claim 1, it is characterised in that：The valve actuating mechanism (3) is
Electromagnetic Valve Actuation mechanism, the inlet valve one (12), inlet valve two (9), exhaust valve one (8) and exhaust valve two (14) are to pass through
Electronically controlled electro-hydraulic valve；The electronic control system (4) controls valve stroke by the Electromagnetic Valve Actuation mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184497.0A CN107060938A (en) | 2017-03-24 | 2017-03-24 | A kind of novel changable air inlet system and exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184497.0A CN107060938A (en) | 2017-03-24 | 2017-03-24 | A kind of novel changable air inlet system and exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107060938A true CN107060938A (en) | 2017-08-18 |
Family
ID=59618130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710184497.0A Pending CN107060938A (en) | 2017-03-24 | 2017-03-24 | A kind of novel changable air inlet system and exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111021A (en) * | 2022-06-29 | 2022-09-27 | 中国北方发动机研究所(天津) | Air inlet valve mechanism of rotary engine |
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| CN1603583A (en) * | 2003-09-30 | 2005-04-06 | 三菱扶桑卡客车公司 | Valve drive apparatus of internal-combustion engine |
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| JP2007056831A (en) * | 2005-08-26 | 2007-03-08 | Toyota Motor Corp | Intake control device for internal combustion engine |
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| CN101519987A (en) * | 2009-04-08 | 2009-09-02 | 缪博华 | Electromagnetic valve |
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| CN201546831U (en) * | 2009-10-11 | 2010-08-11 | 襄樊市长源东谷实业有限公司 | Four-valve cylinder head with shared intake and exhaust ports |
| CN101936198A (en) * | 2010-08-06 | 2011-01-05 | 大连理工大学 | Cam oil supply type electro-hydraulic valve driving system |
| CN203488221U (en) * | 2013-08-28 | 2014-03-19 | 吕庆 | Electromagnetic valve internal combustion engine |
| CN103939169A (en) * | 2014-05-05 | 2014-07-23 | 王欣亮 | Electro-hydraulic valve for engine and working system thereof |
| CN204299645U (en) * | 2014-11-06 | 2015-04-29 | 重庆市合川区邓健萍摩托车配件加工厂 | A kind of electromagnetic driven valve of internal combustion engine |
| CN205172762U (en) * | 2015-08-31 | 2016-04-20 | 谢晓宇 | Quartastroke engine exhaust recirculation system |
| CN106032779A (en) * | 2016-06-08 | 2016-10-19 | 长安大学 | A homogeneous compression ignition engine fuel online upgrading system and method |
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2017
- 2017-03-24 CN CN201710184497.0A patent/CN107060938A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603583A (en) * | 2003-09-30 | 2005-04-06 | 三菱扶桑卡客车公司 | Valve drive apparatus of internal-combustion engine |
| JP2007056831A (en) * | 2005-08-26 | 2007-03-08 | Toyota Motor Corp | Intake control device for internal combustion engine |
| CN101346542A (en) * | 2005-12-22 | 2009-01-14 | Gm全球科技运作股份有限公司 | Internal combustion engine with an improved charging action in the combustion chamber |
| CN1924323A (en) * | 2006-09-19 | 2007-03-07 | 姬腾飞 | Composite gas inlet system for engine |
| CN101769205A (en) * | 2008-12-30 | 2010-07-07 | 上海通用汽车有限公司 | Vehicle engine |
| CN101519987A (en) * | 2009-04-08 | 2009-09-02 | 缪博华 | Electromagnetic valve |
| CN201546831U (en) * | 2009-10-11 | 2010-08-11 | 襄樊市长源东谷实业有限公司 | Four-valve cylinder head with shared intake and exhaust ports |
| CN101936198A (en) * | 2010-08-06 | 2011-01-05 | 大连理工大学 | Cam oil supply type electro-hydraulic valve driving system |
| CN203488221U (en) * | 2013-08-28 | 2014-03-19 | 吕庆 | Electromagnetic valve internal combustion engine |
| CN103939169A (en) * | 2014-05-05 | 2014-07-23 | 王欣亮 | Electro-hydraulic valve for engine and working system thereof |
| CN204299645U (en) * | 2014-11-06 | 2015-04-29 | 重庆市合川区邓健萍摩托车配件加工厂 | A kind of electromagnetic driven valve of internal combustion engine |
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| CN106032779A (en) * | 2016-06-08 | 2016-10-19 | 长安大学 | A homogeneous compression ignition engine fuel online upgrading system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111021A (en) * | 2022-06-29 | 2022-09-27 | 中国北方发动机研究所(天津) | Air inlet valve mechanism of rotary engine |
| CN115111021B (en) * | 2022-06-29 | 2024-02-06 | 中国北方发动机研究所(天津) | Intake valve mechanism of rotor engine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |