CN101994617A - Intake manifold advanced in uniform distribution of PCV gas - Google Patents
Intake manifold advanced in uniform distribution of PCV gas Download PDFInfo
- Publication number
- CN101994617A CN101994617A CN2009101780584A CN200910178058A CN101994617A CN 101994617 A CN101994617 A CN 101994617A CN 2009101780584 A CN2009101780584 A CN 2009101780584A CN 200910178058 A CN200910178058 A CN 200910178058A CN 101994617 A CN101994617 A CN 101994617A
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- CN
- China
- Prior art keywords
- gas
- pcv
- collection chamber
- main body
- intake manifold
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10026—Plenum chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10072—Intake runners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The present invention provides an intake manifold advanced in uniform distribution of PCV gas. The intake manifold includes a main body, a throttle valve, a gas collection chamber, intake passages and a gas distribution strip. The throttle valve is connected to the main body to supply fuel-air mixture to the main body. The gas collection chamber is arranged in the main body to temporarily store the fuel-air mixture supplied by the throttle valve to the gas collection chamber. The gas collection chamber is provided with a PCV gas supply hole, such that the PCV gas can be pumped to the gas collection chamber again through the PCV gas supply hole by a combustion chamber. The intake passages are arranged around the main body in a streamline shape, such that the fuel-air mixture is uniformly supplied to the combustion chamber from the gas collection chamber. The gas distribution strip is arranged in the gas collection chamber to guide the PCV gas, such that the PCV gas is uniformly supplied to the intake passages. The gas distribution strip is provided with an inlet corresponding to the PCV gas supply hole on a first surface, and a plurality of outlets corresponding to the intake passages on a second surface.
Description
Technical field
Generally, the present invention relates to a kind of intake manifold of improving performance that has for uniform distribution positive crankcase ventilation (PCV) (PCV) gas; And more particularly, the present invention relates to a kind of like this intake manifold, wherein gas distributes bar (distribution bar) to be installed in the collection chamber (plenum chamber) and has a plurality of air-flow paths, so that the PCV gas that is drawn into the collection chamber from valve mechanism cover is supplied in a plurality of gas-entered passageways (intake runner) equably, improve thus PCV gas is evenly distributed to performance in the gas-entered passageway.
Background technique
Generally speaking, the intake manifold role is, will be drawn into fuel air mixture in it and supply to equably in the firing chamber in order to the motor that produces power from vaporizer.Preferably, described intake manifold is configured to, when fuel air mixture when vaporizer flow into the firing chamber, reduce the resistance of fuel air mixture and make resistance low as much as possible.This intake manifold has collection chamber, throttle valve body and a plurality of gas-entered passageway.Described collection chamber is formed in the bottom of intake manifold main body and interim storage supplies to fuel air mixture in it.Described throttle valve body is connected in an end of described main body and is connected with described collection chamber, thereby fuel air mixture is supplied to the described collection chamber via described throttle valve body from vaporizer.Described gas-entered passageway guides to fuel air mixture the described firing chamber from described collection chamber.
Produced, supply to the gas blowby of the fuel air mixture in each firing chamber via corresponding gas-entered passageway, be sucked in the crankcase via the gap between piston and the cylinder surfaces.If gas blowby is directly discharged, then can cause atmospheric pollution also can reduce the efficient of motor.Thus, worked out such method, that is: intake manifold has been designed to reuse gas blowby, so that its perfect combustion in the firing chamber.
Generally speaking, gas blowby is collected in the valve mechanism cover of crankcase.The gas blowby of having collected supplies to PCV connecting-tube nozzle (PCV nipple) from valve mechanism cover, and described PCV connecting-tube nozzle is arranged on the described collection chamber and via a plurality of independently PCV pipes and is connected in described valve mechanism cover.Typically, described PCV connecting-tube nozzle is set at the central part office of described collection chamber.At this, the gas blowby of being supplied with (being PCV gas) must mix equably with the fuel air mixture in being drawn into described collection chamber recently is smooth and easy.
Simultaneously, the PCV gas in being drawn into described collection chamber evenly mixes with fuel air mixture and when being supplied in the described gas-entered passageway equably, can be kept equably by the combustion efficiency that deflagration obtained in cylinder.Yet, in conventional art, being difficult to realize above-mentioned purpose, this is because the fuel air mixture that is incorporated into recently in the described collection chamber via throttle valve body flow in the described collection chamber with high relatively speed.
Summary of the invention
Therefore, consider that the problems referred to above that produce in the prior art have proposed the present invention, and the object of the present invention is to provide a kind of intake manifold that is used for uniform distribution PCV gas, in this intake manifold, gas with a plurality of gas flow channels distributes bar to be arranged on the internal surface of the collection chamber that is connected with the PCV connecting-tube nozzle, thereby the gas blowby that is drawn in the collection chamber via the PCV connecting-tube nozzle can be supplied in the gas-entered passageway equably.
To achieve these goals, the invention provides a kind of intake manifold, comprising: main body; Throttle valve body, it is connected in described main body in the pre-position, and described throttle valve body is communicated with described main body, so that fuel air mixture is supplied to the described main body from vaporizer; Collection chamber, be formed in the described main body, so that interim storage supplies to fuel air mixture in it via described throttle valve body, described collection chamber has the PCV air vent that is formed in the described collection chamber, so that PCV gas is drawn into the described collection chamber once more from the firing chamber via described PCV air vent; A plurality of gas-entered passageways, be arranged on described main body around, described gas-entered passageway is streamlined, so that fuel air mixture is supplied to the described firing chamber equably from described collection chamber; And gas distributes bar, it is installed in the described collection chamber, described gas distributes bar guiding PCV gas, so that passing the PCV gas of described PCV air vent is supplied in the described gas-entered passageway equably, wherein said gas distributes bar to have on its first surface and the corresponding inlet of described PCV air vent, and described gas distributes bar to have a plurality of on its second surface and the corresponding outlet of each gas-entered passageway.
Described inlet can be formed on the intermediate portion that described gas distributes bar.
Described a plurality of outlet can be formed at described gas symmetrically and distribute in the bar on the opposite side of described inlet.Each area that exports away from described inlet can be greater than each area that exports near described inlet.
In the foundation intake manifold of uniform distribution PCV gas of the present invention, the gas blowby that is drawn in the collection chamber via the PCV connecting-tube nozzle can be supplied in a plurality of gas-entered passageways equably once more, and is assigned to equably thus in a plurality of cylinders of motor.
This structure that PCV gas can be evenly distributed in the cylinder can be avoided owing to accumulating in the unbalanced problem of cylinder that certain gas-entered passageway or firing chamber gas aggradation thing is on every side caused.
In addition, the present invention can make and be present in in-engine unburned gas and carry out recirculation effectively, improves the control to waste gas thus.
Description of drawings
From detailed description below in conjunction with accompanying drawing, will more be expressly understood above and other objects of the present invention, feature and advantage, in the accompanying drawings:
Fig. 1 is the stereogram that is installed in the gas distribution bar in the intake manifold that illustrates according to embodiment of the present invention;
Fig. 2 is for distributing the plan view of bar from the gas shown in the direction shown in the arrow A of Fig. 1;
Fig. 3 is the three-dimensional exploded view of intake manifold, and wherein, gas distributes bar to separate with collection chamber, so that the PCV air vent to be shown; And
Fig. 4 illustrates the view that distributes bar according to the gas of intake manifold of the present invention.
Embodiment
Below, describe the intake manifold that is used to make the PCV gas uniform distribution in it with reference to the accompanying drawings in detail according to the preferred embodiment for the present invention.
Fig. 1 is the stereogram that is installed in the gas distribution bar (gas distribution bar) 50 in the intake manifold 1 that illustrates according to embodiment of the present invention.Fig. 2 is for distributing the plan view of bar 50 from the gas shown in the direction shown in the arrow A of Fig. 1.Fig. 3 is the three-dimensional exploded view of intake manifold 1, and wherein, gas distributes bar 50 to separate with collection chamber 30, so that PCV air vent 12 to be shown.Fig. 4 illustrates the view that distributes bar 50 according to the gas of intake manifold 1 of the present invention.
Now explain preferred implementation of the present invention with reference to the accompanying drawings in detail.
The structure of intake manifold 1 is described with reference to Fig. 1 and Fig. 3 below.Intake manifold 1 comprises that main body 10, throttle valve body 20, collection chamber 30, a plurality of gas-entered passageway 40 and gas distribute bar 50.Throttle valve body 20 is connected in an end of main body 10, so that its inner space with main body 10 is communicated with.The fuel air mixture that throttle valve body 20 will produce in vaporizer 3 supplies in the main body 10.Collection chamber 30 is formed in the main body 10, and stores the fuel air mixture of supplying with via throttle valve body 20 as the reservoir chamber temporarily.In addition, collection chamber 30 allows from the firing chamber 5 to aspirate PCV gas once more.Gas-entered passageway 40 is streamlined and centers on the periphery setting of main body 10, so that fuel air mixture can be supplied to a plurality of firing chambers 5 via a plurality of gas-entered passageways 40 equably from collection chamber 30.Gas distributes bar 50 to be installed in the collection chamber 30 and guides PCV gas, so that PCV gas is supplied in the gas-entered passageway 40 equably.
The space of collection chamber 30 is configured to, and the fuel air mixture that is drawn into recently in the collection chamber from vaporizer 3 can evenly mix with PCV gas, and described PCV gas is collected and is drawn in the collection chamber 30 by valve mechanism cover.Thus, collection chamber 30 can supply in the gas-entered passageway 40 with the mixture that steady state will have fuel air mixture and PCV gas.In addition, in collection chamber 30, form PCV air vent 12.Collection chamber 30 is via PCV air vent 12 and external communications.PCV air vent 12 is connected in PCV connecting-tube nozzle (not shown), and described PCV connecting-tube nozzle is arranged on the outer surface of main body 10, so that PCV gas is guided in the collection chamber 30.Thus, PCV gas is sucked in the collection chamber 30 via PCV air vent 12 from valve mechanism cover.
A plurality of gas-entered passageways 40 are the shape of a plurality of supply tubes, and described a plurality of supply tubes are around the outer surface of main body 10.Gas-entered passageway 40 is spaced apart from each other at interval with rule.First end 42 of gas-entered passageway 40 is communicated with collection chamber 30, and second end 44 of gas-entered passageway 40 is communicated with corresponding engine chamber 5.Between second end 44 of each gas-entered passageway 40 and corresponding firing chamber 5, the packing ring (not shown) is set.Preferably, each gas-entered passageway 40 is streamlined, so that fuel air mixture can flow through gas-entered passageway swimmingly and enter into firing chamber 5.
Explain that with reference to Fig. 4 the gas as key element of the present invention distributes bar 50 below.Gas distributes bar 50 to be shaft-like, is formed with passage in it.Inlet 51 passes gas and distributes the first surface of bar 50 to form, and then passes gas with a plurality of gas-entered passageway 40 corresponding a plurality of outlets 52 and 54 respectively and distributes the second surface of bar 50 to form.Inlet 51 places the neutral position of gas distribution bar 50, so that uniform distribution is drawn into the PCV gas in it.
At this, outlet 52 and 54 is formed on the opposite side of inlet 51 symmetrically.Preferably, away from the diameter of inlet 51 outlet 54 greater than diameter near the outlet 52 of inlet 51.In other words, in the present embodiment, the distance between each first outlet 52 and this inlet 51 is less than the distance between corresponding second outlet 54 and this inlet 51.In addition, the area of first outlet 52 is less than the area of second outlet 54.Because this structure is drawn into gas via inlet 51 and distributes the PCV gas in the bar 50 easily to be supplied to towards the gas-entered passageway of being arranged to further from PCV air vent 12 40.
With reference to Fig. 1 to Fig. 4 the mobility status of PCV gas in foundation intake manifold of the present invention is described below.
At first, the fuel air mixture that produces from fuel tank and vaporizer is drawn into the collection chamber 30 via throttle valve body 20, supplies in the firing chamber 5 via gas-entered passageway 40 subsequently.After this, the PCV gas that leaks under the unburned state the crankcase from firing chamber 5 is drawn in the collection chamber 30 once more via the PCV air vent 12 that is communicated with collection chamber 30.At this, because PCV air vent 12 is directly connected in the inlet 51 that gas distributes bar 50, so pass gas distribution bar 50 via the PCV gas flow that PCV air vent 12 aspirates once more, distribute the outlet 52 and 54 of bar 50 to be discharged in the collection chamber 30 by gas subsequently.Then, the PCV gas that is drawn into once more in the collection chamber 30 evenly mixes with fuel air mixture in supplying to collection chamber 30 recently.After this, the mixture with PCV gas and fuel air mixture is fed in the gas-entered passageway 40.In said process, gas distributes bar 50 roles to be, guiding PCV gas is so that PCV gas can be supplied in the gas-entered passageway 40 equably.
As mentioned above, in the present invention, the gas blowby of revealing from engine chamber distributes bar via the gas that is connected with collection chamber and is drawn into once more in the collection chamber, and supplies in the gas-entered passageway once more equably subsequently.Therefore, PCV gas can be assigned in a plurality of firing chambers equably, and these are different with conventional art.In addition, because PCV gas can be supplied in the gas-entered passageway equably, so the present invention can avoid in conventional art the unbalanced problem of cylinder that causes owing to gas aggradation thing that PCV gas is supplied in the gas-entered passageway to be produced unevenly.
Although disclosed preferred implementation of the present invention for exemplary purposes, the present invention is not limited to described mode of execution.In addition, those of ordinary skill in the art will recognize, under the situation that does not break away from the disclosed scope and spirit of the present invention of appended claims, can carry out various modifications, interpolation and replacement.These are revised, add and replace and must be regarded as dropping in the scope of claims.
Claims (3)
1. intake manifold comprises:
Main body;
Throttle valve body, it connects with described main body in the precalculated position, and described throttle valve body is communicated with described main body, so that fuel air mixture is supplied to the described main body from vaporizer;
Collection chamber, it is formed in the described main body, supply to fuel air mixture in the described collection chamber with interim storage via described throttle valve body, described collection chamber has the PCV air vent that is formed in the described collection chamber, so that PCV gas is drawn into the described collection chamber once more from a plurality of firing chambers via described PCV air vent;
A plurality of gas-entered passageways, its be arranged on described main body around, described gas-entered passageway is streamlined, so that fuel air mixture is supplied to described a plurality of firing chamber equably from described collection chamber; And
Gas distributes bar, and it is installed in the described collection chamber, and described gas distributes bar guiding PCV gas, supplied to equably in the described gas-entered passageway so that pass the PCV gas of described PCV air vent,
Wherein, have and the corresponding inlet of described PCV air vent on the first surface of described gas distribution bar, and have a plurality of and the corresponding outlet of each gas-entered passageway on the second surface of described gas distribution bar.
2. intake manifold as claimed in claim 1, wherein, described inlet is formed on the intermediate portion that described gas distributes bar.
3. intake manifold as claimed in claim 2, wherein, described outlet is formed at described gas symmetrically and distributes in the bar on the opposite side of described inlet, wherein away from area of each outlet of described inlet greater than area near each outlet of described inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090078955A KR20110021265A (en) | 2009-08-25 | 2009-08-25 | Intake manifold advanced in uniform distributing of pcv gas |
| KR10-2009-0078955 | 2009-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101994617A true CN101994617A (en) | 2011-03-30 |
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ID=43785239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101780584A Pending CN101994617A (en) | 2009-08-25 | 2009-09-28 | Intake manifold advanced in uniform distribution of PCV gas |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20110021265A (en) |
| CN (1) | CN101994617A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727898A (en) * | 2013-12-18 | 2015-06-24 | 曼胡默尔滤清器（上海）有限公司 | High circulating gas combustion efficiency type intake manifold |
| CN107061075A (en) * | 2017-05-09 | 2017-08-18 | 安徽江淮汽车集团股份有限公司 | A kind of inlet manifold assembly |
| CN110206667A (en) * | 2019-05-22 | 2019-09-06 | 深圳臻宇新能源动力科技有限公司 | Motor intake manifold and vehicle |
| CN111140413A (en) * | 2018-11-02 | 2020-05-12 | 现代自动车株式会社 | Access system for a vehicle |
| CN114183285A (en) * | 2021-10-29 | 2022-03-15 | 东风商用车有限公司 | Engine end surface flow guide air inlet pipe structure |
| CN114183284A (en) * | 2021-10-29 | 2022-03-15 | 东风商用车有限公司 | Engine middle part water conservancy diversion inlet pipe structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102583509B1 (en) * | 2021-11-03 | 2023-09-27 | 주식회사 현대케피코 | Intake manifold for uniform distribution of PCV gas |
-
2009
- 2009-08-25 KR KR1020090078955A patent/KR20110021265A/en active Search and Examination
- 2009-09-28 CN CN2009101780584A patent/CN101994617A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727898A (en) * | 2013-12-18 | 2015-06-24 | 曼胡默尔滤清器（上海）有限公司 | High circulating gas combustion efficiency type intake manifold |
| CN107061075A (en) * | 2017-05-09 | 2017-08-18 | 安徽江淮汽车集团股份有限公司 | A kind of inlet manifold assembly |
| CN107061075B (en) * | 2017-05-09 | 2019-12-31 | 安徽江淮汽车集团股份有限公司 | Air intake manifold assembly |
| CN111140413A (en) * | 2018-11-02 | 2020-05-12 | 现代自动车株式会社 | Access system for a vehicle |
| CN110206667A (en) * | 2019-05-22 | 2019-09-06 | 深圳臻宇新能源动力科技有限公司 | Motor intake manifold and vehicle |
| CN114183285A (en) * | 2021-10-29 | 2022-03-15 | 东风商用车有限公司 | Engine end surface flow guide air inlet pipe structure |
| CN114183284A (en) * | 2021-10-29 | 2022-03-15 | 东风商用车有限公司 | Engine middle part water conservancy diversion inlet pipe structure |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110021265A (en) | 2011-03-04 |
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| PB01 | Publication | ||
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Application publication date: 20110330 |