CN104179609B - Variable air inlet mouth cross section inlet manifold assembly - Google Patents
Variable air inlet mouth cross section inlet manifold assembly Download PDFInfo
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- CN104179609B CN104179609B CN201310189517.5A CN201310189517A CN104179609B CN 104179609 B CN104179609 B CN 104179609B CN 201310189517 A CN201310189517 A CN 201310189517A CN 104179609 B CN104179609 B CN 104179609B
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- slide
- inlet manifold
- air
- chute
- passage outlet
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- 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
Abstract
The invention discloses a kind of variable air inlet mouth cross section inlet manifold assembly, including the inlet manifold with at least two air intake duct and the sled mechanism being arranged in inlet manifold, the air passage outlet end of inlet manifold has ring flange, sled mechanism includes slide plate and skateboard control mechanism, each air passage outlet end in inlet manifold all offers the chute connected with this air flue, slide plate is by cross slide and combines as a whole with cross slide and the longitudinal slide equal with chute quantity forms, each longitudinal slide is positioned at each chute and coordinates with slide, under skateboard control mechanism acts on, each longitudinal slide can slide along the direction vertical with air passage outlet orientation in respective chute.The present invention is avoided that between the most each cylinder of electromotor mutual gas blowby, makes air mixture can produce eddy current in cylinder simultaneously and can produce again tumble flow.
Description
Technical field
The present invention relates to the parts of automobile engine, be specifically related to the inlet manifold assembly of automobile engine.
Background technology
Along with development and the increasingly stringent of environmental regulation of auto industry, the dynamic property of automobile, economy, discharge etc. are required more and more higher by people.In order to improve the performance of automobile engine, optimizing the combustion process of electromotor, increasing new technique is applied on electromotor, and variable intake manifold technology is exactly one of this kind of new technique.Variable intake manifold technology is divided into variable intake manifold technology and variable air inlet mouth cross section technology.Wherein, variable air inlet mouth cross section technology (Port De-Activation, call PDA in the following text) is to improve efficiency of combustion by changing the cross section of air inlet, make electromotor when the slow-speed of revolution more steadily, moment of torsion more sufficient, more smooth and easy during high rotating speed, power is more powerful.
PDA technology is broadly divided into valve plate-type and slide type, the slide type PDA technology of current domestic and international application, its skateboarding direction be parallel to inlet manifold air passage outlet arrangement put to.Existing employing slide type inlet manifold assembly is as shown in Figure 4, the inlet manifold 1 with four air intake ducts 11 and the sled mechanism being arranged in inlet manifold 1, the air passage outlet end of inlet manifold 1 has ring flange 4, sled mechanism includes slide plate 2 and skateboard control mechanism, inlet manifold 1 offers the chute 12 of each air flue through, under skateboard control mechanism acts on, slide plate 2 can slide along the direction parallel with air passage outlet orientation in chute 12, when slide plate 2 slides, slide plate is respectively by partially enclosed for each air passage outlet.Described skateboard control mechanism includes the vacuum valve 3 being arranged on intake manifold flange dish 4 by support 32, connecting rod 31 end of vacuum valve 3 is provided with hinged ball cover 34, slide plate 2 is provided with hinged ball 33, the connecting rod 31 of vacuum valve 3 is connected with slide plate by hinged ball cover 34 and hinged ball 33, and vacuum valve can drive slide plate to move along the direction parallel with inlet manifold air passage outlet orientation.Under speed operation, the air passage outlet of inlet manifold is blocked a part by slide plate, so that cylinder achieves the eccentric air inlet in left and right, and the air inlet cross section of inlet manifold reduces, and air velocity increases, and therefore in cylinder, gaseous mixture produces stronger eddy motion.Under high-speed working condition, vacuum valve draws skateboarding, and the air inlet cross section of inlet manifold increases, it is ensured that the air inlet demand of electromotor.
But, the inlet manifold assembly of existing employing slide type suffers from the drawback that one, each air passage outlet in inlet manifold is run through connection by chute, owing to slide plate uses vacuum valve traction, when the restriction of its pull strength requires skateboarding, resistance to be accomplished the least, therefore can not realize between slide plate and chute effectively sealing, and then cause mutual gas blowby between the most each cylinder of electromotor, if situation seriously can cause the electromotor operating phenomenon such as bad further.Two, skateboarding be oriented parallel to inlet manifold air passage outlet arrangement put to inlet manifold due to only left and right directions (i.e. parallel with air passage outlet orientation direction) change air passage outlet sectional area, therefore single eddy motion in cylinder can only be realized, the motion of air mixture in cylinder cannot be realized the function further enhanced.
Summary of the invention
It is an object of the invention to provide a kind of variable air inlet mouth cross section inlet manifold assembly, to avoid mutual gas blowby between the most each cylinder of electromotor, make air mixture can produce eddy current in cylinder simultaneously and can produce again tumble flow.
Variable air inlet mouth cross section of the present invention inlet manifold assembly, including the inlet manifold with at least two air intake duct and the sled mechanism being arranged in inlet manifold, the air passage outlet end of inlet manifold has ring flange, sled mechanism includes slide plate and skateboard control mechanism, each air passage outlet end in inlet manifold all offers the chute connected with this air flue, slide plate is by cross slide and combines as a whole with cross slide and the longitudinal slide equal with chute quantity forms, each longitudinal slide is positioned at each chute and coordinates with slide, under skateboard control mechanism acts on, each longitudinal slide can slide along the direction vertical with air passage outlet orientation in respective chute, and when longitudinal slide slides into extreme position in chute, each longitudinal slide is respectively by partially enclosed for each air passage outlet.
Described chute is opened in described ring flange side.
Under speed operation, skateboard control mechanism drives slide plate to move along the direction vertical with inlet manifold air passage outlet orientation, make the air passage outlet of inlet manifold by longitudinal slide on air passage outlet left and right directions (i.e. parallel with air passage outlet orientation direction) block a part, air mixture can only be partially into cylinder from what air passage outlet was not blocked, so that eccentric air inlet about cylinder realization, in cylinder, form eddy current.
Under high-speed working condition, skateboard control mechanism drives slide plate to move outside air passage outlet along the direction vertical with inlet manifold air passage outlet orientation, longitudinal slide is made to exit air passage outlet completely, the air inlet cross section of inlet manifold increases, the i.e. air inlet cross section of air mixture increases, it is ensured that the air inlet demand of electromotor.
And during slide plate slides, air mixture not only in air passage outlet the side of longitudinal slide pass through, form eddy current, but also the top of longitudinal slide is passed through in air passage outlet, and then flows along performance upper wall, forms certain tumble flow.
Variable air inlet mouth cross section of the present invention inlet manifold assembly, owing to each air passage outlet end in inlet manifold all offers the chute connected with this air flue, make longitudinal slide will not cause the gas blowby of each air passage outlet of inlet manifold when sliding, and then avoid mutual gas blowby between each cylinder of electromotor, it is ensured that the good operation of electromotor；And strong eddy current can be produced time in air mixture entrance cylinder, a certain degree of tumble flow can be produced again, enhance the motion of air mixture in cylinder so that it is mix more uniform, engine combustion obtains more thorough, improves the fuel economy of electromotor.
Accompanying drawing explanation
Fig. 1 is the structural blast schematic diagram of the present invention；
Fig. 2 is the principle schematic producing eddy current in the present invention makes cylinder；
Fig. 3 is the principle schematic producing tumble flow in the present invention makes cylinder；
Fig. 4 is the exploded perspective view of the variable cross section inlet manifold assembly of existing employing slide type.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.
nullAs shown in Figure 1，This variable air inlet mouth cross section inlet manifold assembly，Including the inlet manifold 1 with four air intake ducts 11 and the sled mechanism being arranged in inlet manifold 1，The air passage outlet end of inlet manifold 1 has ring flange 4，Sled mechanism includes slide plate 2 and skateboard control mechanism，Each air passage outlet end of the inlet manifold 1 in ring flange 4 side all offers the chute 12 connected with this air flue，Slide plate 2 is by cross slide 22 and combines as a whole with cross slide 22 and the longitudinal slide 21 equal with chute 12 quantity forms，Each longitudinal slide 21 is positioned at each chute 12 and coordinates with slide，Under skateboard control mechanism acts on，Each longitudinal slide 21 can slide along the direction vertical with air passage outlet orientation in respective chute 12，And when longitudinal slide slides into extreme position in chute，Each longitudinal slide 21 is respectively by partially enclosed for each air passage outlet (i.e. parallel with air passage outlet orientation direction) in the lateral direction.
As shown in Figure 2, under speed operation, skateboard control mechanism drives slide plate to move in the air passage outlet of inlet manifold 1 along the direction vertical with inlet manifold air passage outlet orientation, the air passage outlet making inlet manifold 1 is blocked half by longitudinal slide 21, air mixture can only enter performance 5 from the half that the air passage outlet of inlet manifold is not blocked, and then enter in cylinder 6, it is achieved left and right bias air inlet, and form eddy current.
Under high-speed working condition, skateboard control mechanism drives slide plate to move outside the air passage outlet of inlet manifold 1 along the direction vertical with inlet manifold air passage outlet orientation, longitudinal slide 21 is made to exit air passage outlet completely, the air inlet cross section of inlet manifold 1 increases, the i.e. air inlet cross section of air mixture increases, it is ensured that the air inlet demand of electromotor.
As shown in Figure 3, during slide plate slides, air mixture not only in air passage outlet the side of longitudinal slide 21 pass through, form eddy current, but also the top of longitudinal slide 21 is passed through in the air passage outlet of inlet manifold, and then flow along the upper wall of performance 5 and enter in cylinder 6, thus form certain tumble flow.
Claims (2)
- null1. a variable air inlet mouth cross section inlet manifold assembly，Including the inlet manifold (1) with at least two air intake duct (11) and the sled mechanism being arranged in inlet manifold，The air passage outlet end of inlet manifold has ring flange (4)，Sled mechanism includes slide plate (2) and skateboard control mechanism，It is characterized in that: each air passage outlet end in inlet manifold all offers the chute (12) connected with this air flue，Slide plate is by cross slide (22) and combines as a whole with cross slide and the longitudinal slide (21) equal with chute quantity forms，Each longitudinal slide is positioned at each chute and coordinates with slide，Under skateboard control mechanism acts on，Each longitudinal slide can slide along the direction vertical with air passage outlet orientation in respective chute，And when longitudinal slide slides into extreme position in chute，Each longitudinal slide is respectively by partially enclosed for each air passage outlet.
- Variable air inlet mouth cross section the most according to claim 1 inlet manifold assembly, is characterized in that: described chute (12) is opened in described ring flange (4) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189517.5A CN104179609B (en) | 2013-05-21 | 2013-05-21 | Variable air inlet mouth cross section inlet manifold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189517.5A CN104179609B (en) | 2013-05-21 | 2013-05-21 | Variable air inlet mouth cross section inlet manifold assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104179609A CN104179609A (en) | 2014-12-03 |
| CN104179609B true CN104179609B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310189517.5A Active CN104179609B (en) | 2013-05-21 | 2013-05-21 | Variable air inlet mouth cross section inlet manifold assembly |
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| CN (1) | CN104179609B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6319170B2 (en) * | 2015-04-30 | 2018-05-09 | トヨタ自動車株式会社 | Multi-cylinder engine |
| CN114109674B (en) * | 2020-08-28 | 2023-04-28 | 上海汽车集团股份有限公司 | Air intake system of engine and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668831A (en) * | 2002-07-19 | 2005-09-14 | 利滕斯汽车公司 | Intake manifold having variable cross-sectional area |
| CN101008352A (en) * | 2006-12-26 | 2007-08-01 | 奇瑞汽车有限公司 | Slide plate anti-releasing structure for burning rate control system of automobile engine |
| CN200955463Y (en) * | 2006-09-30 | 2007-10-03 | 奇瑞汽车有限公司 | Engine air-intake manifold branch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3496846B2 (en) * | 1995-01-20 | 2004-02-16 | 日産ディーゼル工業株式会社 | Variable swirl test equipment for 2 ports |
| US8146564B2 (en) * | 2010-01-04 | 2012-04-03 | GM Global Technology Operations LLC | Engine intake air flow control assembly |
-
2013
- 2013-05-21 CN CN201310189517.5A patent/CN104179609B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668831A (en) * | 2002-07-19 | 2005-09-14 | 利滕斯汽车公司 | Intake manifold having variable cross-sectional area |
| CN200955463Y (en) * | 2006-09-30 | 2007-10-03 | 奇瑞汽车有限公司 | Engine air-intake manifold branch |
| CN101008352A (en) * | 2006-12-26 | 2007-08-01 | 奇瑞汽车有限公司 | Slide plate anti-releasing structure for burning rate control system of automobile engine |
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| CN104179609A (en) | 2014-12-03 |
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