CN1615396A - Inlet guider of IC engine and IC engine therewith - Google Patents
Inlet guider of IC engine and IC engine therewith Download PDFInfo
- Publication number
- CN1615396A CN1615396A CNA028273524A CN02827352A CN1615396A CN 1615396 A CN1615396 A CN 1615396A CN A028273524 A CNA028273524 A CN A028273524A CN 02827352 A CN02827352 A CN 02827352A CN 1615396 A CN1615396 A CN 1615396A
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- China
- Prior art keywords
- air
- combustion engine
- internal combustion
- guide vane
- air intake
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 71
- 238000000926 separation method Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract 3
- 238000013459 approach Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000295 fuel oil Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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
- F02M29/00—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
- F02M29/04—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like
- F02M29/06—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like generating whirling motion of mixture
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- 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
- F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
- F02B31/04—Modifying induction systems for imparting a rotation to the charge in the cylinder by means within the induction channel, e.g. deflectors
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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
An air admittance flow guiding device for an IC engine is mounted at the connecting place between an air cylinder head and an intake tube and is equipped thereon with sloping guide vanes which extend into an induction trunk at the internal combustion engine air cylinder head and is used for causing the internal combustion engine to generate eddy flows during the air admittance. In a preferable embodiment, said air admittance flow guiding device comprises a streamline shape guide vane which is fixed at the air admittance flange interface of the air cylinder head through a flange, approaches near to one side surface of the induction trunk and has a leaf blade head section having one part extending into the volution chamber at the air cylinder head and being used for preventing gaseous current entering into the volution chamber ahead of time. The guide vane preferably inclines to the bottom face of the induction trunk, and the width of the leaf blade head section is narrowed down to amplify the flow area, decrease the resistance to flow and reinforce the strength of vortex. The blade tip part at the leaf blade head section preferably bends a little toward the leaf blade backing side.
Description
A kind of air intake guiding unit for internal combustion engine and the technical field of internal combustion engines equipped with this guiding device
The present invention relates to a kind of air intake guiding unit for internal combustion engine, specifically, it is related to a kind of air intake guiding unit loaded in cylinder head of internal combustion engine air intake duct.
Background technology
In order to reduce engine consumption, burning is improved, exhaust emission is reduced, prior art has made various improvement to engine inlets so that the fuel oil for entering engine is sufficiently mixed with air, energy-conservation as far as possible and the effect of environmental protection is reached.Above-mentioned effort is concentrated in the improvement to air inlet road shape, and gas can be made to produce vortex with air flue shape, improves burning.Existing eddy current type combustion chambers of internal combustion engines technology is the result that the above is made great efforts.
But when internal combustion engine takes direct injection combustion mode, air into burning can not form powerful vortex, it have impact on the abundant burning of fuel oil, so that oil consumption increases, exhaust emission also aggravates, needing superior technique scheme improves gas handling system, so as to obtain preferably combustion efficiency, reaches the effect of fuel-economizing and reduction pollution.Presently disclosed Technological improvement plan, mainly the form and dimension to air intake duct make optimization design, with increase charge air flow formed when by air intake duct high speed rotating vortex effect, improve burning.
The design of existing diesel cylinder head air intake duct, it has been contemplated that when air-flow enters gas rainbow, produces vortex, but DeGrain.Therefore, a series of patents of invention are generated, to strengthen air-flow into vortex during cylinder.The DeGrain that these inventions have, some structures are too complicated, are not easy to application.For example：
A kind of U.S. Patent Publications of US 4274386 turbine board-like vaporizer, it includes a thin plate for clamping and being fixed between carburetor and inlet manifold, thin plate has the opening consistent with inlet manifold import with carburetor outlet, and it is formed with the multiple triangle guide vanes set along counter-clockwise direction, to contribute to guiding fuel air mixture to rotate in the direction, the long side of triangle stator is hit first, the long side first swells a small crossette, then tilted down to the opening center at triangular apex, the crossette has
Help crush the mixture of rotation, the mixture of rotation is then bent to the summit of stator, another side of stator is also in the same direction simultaneously, bent to the summit of stator, form cup or infundibulate, the liquid portion not yet vaporized in guiding fuel air mixture, it is set further to be atomized and vaporized when being inhaled into the air stream to the opening center flow of the apex positioned at multiple stators, air is sucked with further help, mixture is set further to be vaporized in the apex, so as to improve efficiency of combustion, pollution is reduced.The board-like vaporizer of the turbine, is only applicable to gasoline engine.
A kind of U.S. Patent Publications of US 4432312 air-intake of combustion engine with variable vortex stator mouthful, in the end of the air inlet of neighbouring air inlet valve head, multiple rotatable stators are set, so as in the case where changing engine air throttle or load condition, effectively make the strength of vortex respective change for being applied to cylinder intake charge, with effectively meet vortex required during partial throttling and WOT or at full capacity when required relatively free flowing how part.However, to install these rotatable stators, it is necessary to make larger transformation to cylinder head, or even the intensity of cylinder head can be weakened by the gas inlet end structure of neighbouring each air inlet valve head on the cylinder head of internal combustion engine.
The international patent applications of WO 96/35045, disclose a kind of stratified charge engine, there is provided a kind of gas handling system of internal combustion engine, its air inlet is separated into two helical ducts by the dividing plate of a distortion, the dividing plate is generally vertical with inlet valve spindle close to the plane where one end of intake valve, and generally parallel with inlet valve spindle positioned at the plane where the dividing plate of the air inlet other end.So as to which fuel injector is arranged near intake valve, it is ensured that the spacers block that fuel spray will not be vertically arranged, and fuel spray can be directed at intake valve valve head, and dividing plate and top of combustion chamber will not be made to produce " wet wall phenomenon ".But it is relatively difficult in distortion dividing plate fixed described in the air inlet of bending, technique, and path of the air-flow along distortion separator flow is longer, there is larger resistance and friction loss.
CN 2105560U Chinese utility model patent application specifications, disclose a kind of air vortex device for internal combustion engine, including a housing and one group of stator being radially extended from the housing, to make air inlet produce vortex.To prevent vacuum side of blade negative pressuren zone from taking off
Slit is provided with stream, stator.The air vortex device is arranged on air cleaner center and exhaust manifold porch.Because the air sucked from air cleaner needs to flow through carburetor and inlet manifold, combustion chambers of internal combustion engines is got to, the air vortex device of setting is difficult to produce strong eddy flow in combustion chamber.
In addition, CN 2334879Y Chinese utility model patent specifications, disclose a kind of engine turbine combustion aid, are installed between the air cleaner of car engine and carburetor, i.e., in the blast pipe of air cleaner, the flow velocity to increase suction air.The turbine combustion aid by a cylindrical housing and circumferentially etc. between the huge some stators being arranged in shell constitute, by stator it is end formed go out tongue piece and shell wall on the tongue apertures that shapes stator is fixed in cylindrical housing.Because air still needs to get to combustion chamber by longer passage, the turbine combustion aid is still difficult to produce strong eddy flow in combustion chamber.And each stator and the connection of cylindrical housing of the turbine combustion aid, it must could be completed by single assembly process, be not suitable with the demand of large-scale production.
In view of the foregoing, a kind of structure cylinder is designed single, no-movable part, engine volume coefficiency is not influenceed, air can be made to produce a kind of device of vortex when entering cylinder again, be very significant.
The content of the invention
It is contemplated that overcoming the deficiency of above-mentioned prior art, there is provided a kind of structure cylinder single, no-movable part, do not influence engine volume coefficiency, air can be made to produce a kind of air intake guiding unit for internal combustion engine of vortex when entering cylinder again, the air intake guiding unit can strengthen the rotating vortex intensity into the air of combustion chambers of internal combustion engines close to cylinder of internal-combustion engine intake valve, fuel oil and air are sufficiently mixed, and does not need to carry out cylinder head of internal combustion engine big transformation.
The air intake guiding unit for internal combustion engine provided according to the present invention, it which is provided with inclined guide vane, the gas for flowing through guide vane produces eddy flow, and the guiding device is arranged on the junction of cylinder head of internal combustion engine and air inlet pipe, and the guide vane stretches into the inlet channel of cylinder head of internal combustion engine.
According to a preferred embodiment of the present invention, the air intake guiding unit for internal combustion engine provided has streamline guide vane, it is fixed on by a flange on the inlet flange interface of cylinder head, the guide vane is close to a side surface of inlet channel, and the leaf head of cylinder head vortex chamber is stretched into part, prevent air-flow from entering vortex chamber in advance.The guide vane is preferably toward the bottom surface of inlet channel, and makes the narrowed width of leaf head, to increase circulation area , Minus small flow resistances, strengthens strength of vortex.The tip segment of leaf head is preferably slightly bent to vacuum side of blade.
Compared with prior art, due to the air intake guiding unit with guide vane of the present invention, installed in cylinder head of internal combustion engine and the junction of air inlet pipe, and guide vane stretches into the inlet channel of cylinder head of internal combustion engine, make guide vane close to cylinder of internal-combustion engine intake valve, air-flow is prevented to enter vortex chamber in advance, the rotating vortex intensity into the air of combustion chambers of internal combustion engines can effectively be strengthened, it is sufficiently mixed fuel oil and air, improve efficiency of combustion, reach that fuel-economizing and cleaning of off-gas reduce the purpose of pollution, do not need to carry out cylinder head of internal combustion engine big transformation again, it can thus be applied on existing internal combustion engine.
The air intake guiding unit does not have any movable part, only need to be by an air intake duct flow deflector being fixed between cylinder head inlet flange and air inlet union flange, with regard to air-flow can be prevented to enter vortex chamber in advance, the distance that extension air-flow advances makes it tangentially enter vortex chamber, and gas rainbow is entered back into after producing vortex.So, the distance that air-flow is tangentially advanced is increased, the flow that air-flow is tangentially advanced is increased, the vortex into Qi Red is enhanced；Meanwhile, the situation of the flowing of air-flow is improved, flow resistance is reduced.Improve the oil consumption that the combustion process , Minus in diesel engine combustion chamber have lacked Diesel engine.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of inventive combustion engine air intake guiding unit first embodiment；Fig. 2 is the sectional view of the A-A sections along along Fig. 1；
Fig. 3 is the sectional view of the embodiment of the inventive combustion engine air intake guiding unit mat woven of fine bamboo strips one；Fig. 4 is the sectional view of the B-B sections along along Fig. 3；
Fig. 5 is the top view of the embodiment of the inventive combustion engine air intake guiding unit mat woven of fine bamboo strips one；
Fig. 6 is the top view of the embodiment of the inventive combustion engine air intake guiding unit mat woven of fine bamboo strips two；Fig. 7 is the top view of inventive combustion engine air intake guiding unit 3rd embodiment；Fig. 8 is the sectional view of the C-C sections along along Fig. 7；
Fig. 9 is the assembling section of the embodiment of the inventive combustion engine air intake guiding unit mat woven of fine bamboo strips three；
Figure 10 is a kind of top view cross section of preferred embodiment of the air intake guiding unit of the present invention in single cylinder diesel gas rainbow head；
Figure 11 is Figure 10 A direction views；
Figure 12 is the profile of B-B sections along along Figure 10；
Figure 13 is the top view of embodiment illustrated in fig. 10；
Figure 14 is the front view of embodiment illustrated in fig. 10；
Figure 15 is the side view of embodiment illustrated in fig. 14；
Figure 16 is the perspective view of embodiment illustrated in fig. 10.
Embodiment
The embodiment provided below in conjunction with the accompanying drawings, describes the present invention in detail.
Same or analogous part is represented with same label in specification and drawings.
Fig. 1 and Fig. 2 is the assembling schematic diagram of the air intake guiding unit for internal combustion engine first embodiment of the present invention.Wherein, air intake guiding unit of the present invention is on the faying face of the gentle rainbow first 4 of air inlet pipe 5, and a guide vane 8 and the flange 81 for being clamped in air inlet pipe 5 between Qi Dorian first 4 are integrally formed, with the connection Yu Qi Dorian first 4 of air inlet pipe 5 bolt（Not shown in figure）Fixed, the guide vane 8 of air intake guiding unit is stretched into the inlet channel 10 of cylinder head 4.After intake valve opening, it is inevitable that generation vortex is guided by guide vane 8 when air flows through admission line 6 and cylinder head inlet channel 10.Because guide vane 8 can extend into close to the position of inlet valve, the air inlet into combustion chamber still keeps powerful rotating vortex, burning is sufficiently mixed with fuel.Guide vane 8 is a curved surface, and it tilts certain angle, air-flow is produced rotation.Optimum tilt angle, geometry and the making material of guide vane 8 can be selected by experiment, to realize optimal fuel-saving dirt-reducing effect
Really.Guide vane 8 is formed integrally by the present embodiment with pad 1, to reduce cost and be easy to assembling, suitable for being produced in enormous quantities with mould, it is convenient to be applied on existing internal combustion engine.
Fig. 3,4 and 5 show the first embodiment of the air intake guiding unit of the present invention.As illustrated, the shape of guide vane 8 is inclined with respect to air intake duct axis, it extends proximate to intake valve, to strengthen the vortex rotates effe of inlet air flow.Fig. 5 reflects that most of air for flowing through inlet channel 10 is necessarily guided by guide vane 8.
Fig. 6 is the guide vanes 8 provided with 3 separation in the top view of the embodiment of the mat woven of fine bamboo strips two of the present invention, figure.
Fig. 7 is the top view of the 3rd embodiment of the air intake guiding unit of the present invention, the configuration design of the embodiment is into the circular seat 12 with the perisporium of band one, a gas channel is formed in circular seat 12, guide vane 8 is connected with circular seat 12, as long as the size that the circular seat 12 is designed to match with internal combustion engine gas rainbow head Fighter Inlet.The air intake guiding unit that the present embodiment is provided, can first be fitted at cylinder head air inlet road junction, then carry out the assembling work of engine air inlet tube, can reduce the collision in technological process, save final assembly lead time.The guiding device can also have a non-circular seat, and guide vane is connected to non-circular seat, can be by the press-in of non-circular seat therewith the cylinder head air intake duct of form fit, air inlet pipe air flue and air cleaner gas outlet during assembling.The present apparatus can also be fitted in air inlet pipe end, or anti-dress is stretched into air inlet pipe 6 by guide vane 8.The guide vane 8 for stretching into rainbow head air flue 10 is easily broken in circulation is carried, preferred version is to press fit into the present apparatus in cylinder head of internal combustion engine air intake duct 10, make guide vane 8 to greatest extent close to inlet valve, be avoided that carrying damage or roll mao phenomenon occurs, making material can be saved.
Fig. 8 is the profile of the C-C sections along along Fig. 7, and display circular seat 12 and guide vane 8 are connected.
Fig. 9 is the installation diagram of the embodiment of the mat woven of fine bamboo strips three of the air intake guiding unit of the present invention.As shown in figure clearly, the inlet channel 10 of cylinder head has a reaming part at air inlet, to accommodate the circular seat 12.As shown in double dot dash line in figure, circular seat 12 is pushed down in the bottom surface of most handy air inlet pipe 5.
Referring to Figure 10-16, there is shown with a kind of preferred embodiment of the air intake guiding unit according to the present invention in single cylinder bavin ^ machine cylinder heads.The cylinder of engine（It is not drawn into figure）, positioned at the bottom of cylinder head 3, connect with the lower surface 31 of gas rainbow head, the side surface of cylinder head is respectively 32,33,34.The upper surface of cylinder head is 36.Dorian tops of Qi are provided with the pilot hole 37 of air inlet valve lever and the pilot hole of exhasut valve stem（It is not drawn into figure）.Intake valve valve seat orifice is 47, is not drawn into air bleeding valve valve seat hole pattern.Air inlet union (is not drawn into figure）It is connected by air inlet flange 39 with gas rainbow head.Exhaust union is connected by flange with cylinder head（It is not drawn into figure）.Air intake duct in gas rainbow head is to be not drawn into 10, exhaust duct figure.The flange 81 of diesel oil cup cylinder head air intake duct flow deflector 8, installed in the flange of air inlet union（It is not drawn into figure）Between cylinder head air inlet flange 39, flow deflector 8 is fixed in gas rainbow head air intake duct 10, the blade-section 82 of flow deflector is adjacent with the right lateral surface 12 of air intake duct 10.In suction stroke, air is by air inlet union, air intake duct 10, into intake valve in gas rainbow head（It is not drawn into figure）In the vortex chamber 42 on top, air-flow is produced vortex, be downwardly into by intake valve in cylinder.
According to the research of the present invention, the blade-section 82 of flow deflector 8 is shaped to streamlined , Minus and has lacked the resistance of air inlet, and adds the vortex of air inlet.The detail drawing of flow deflector 8 is referring to Figure 13, Figure 14, Figure 15 and Figure 16.
For convenience of description, it is flow deflector flange 81, flow deflector blade 82 and leaf head 83, the upper surface 84 of flow deflector, the lower surface 85 of flow deflector, the left surface 86 of flow deflector, the right flank 87 of flow deflector by 8 points of flow deflector.The inner surface of cylinder head air intake duct 10 is divided into left surface 11, right flank 12, upper surface 13, lower surface 14.The shape of the import of cylinder head air intake duct 10 is typically using circular or rectangle.The shape of flow deflector blade 82, because on the one hand it be connected with flange 81, and right flank 12 of its lower surface 85 again with air intake duct is got close to, so in blade with the junction of flange 81, it is necessary to smoothly transit.
According to a preferred embodiment of the present invention, the air intake guiding unit for internal combustion engine provided has streamline guide vane, and the inlet flange of cylinder head is fixed on by a flange
On interface, the guide vane is close to a side surface of inlet channel.
As shown in Figure 10, the blade 8 of flow deflector of the present invention, the leaf head 83 of cylinder head vortex chamber 42 is stretched into part, to prevent air-flow from entering vortex chamber in advance, and by the tangential direction of air-flow guide cylinder head vortex chamber 42.As shown in figure 11, guide vane 82 is preferably toward the bottom surface 14 of inlet channel 10, and makes the narrowed width of leaf head 83（Realized in the preferred embodiment using the method for angle of chamfer）, to increase circulation area, reduce flow resistance, strengthen strength of vortex.The tip segment of the leaf head 83 is preferably slightly bent to blade lower surface 85, then better.Due to the presence of the blade 8 of flow deflector, the distance that air-flow is tangentially advanced is increased, the flow that air-flow is tangentially advanced is increased, the vortex into cylinder is added；Meanwhile, the situation of flowing is improved, flow resistance is reduced.Improve the oil consumption that the combustion process , Minus in diesel engine combustion chamber have lacked Diesel engine.
For the example in accompanying drawing, cylinder bore is 110mm, the length that flow deflector leaf head 83 stretches into vortex chamber is 7mm, the width of blade is 20mm, lower surface 85 and the air intake duct right flank 12, close proximity of flow deflector blade 82, gap is less than 2mm, experimental results, the power of engine is constant, and the oil consumption of engine reduces 10g/KWh.For the engine of different type of machines, in the case where engine power is constant, oil consumption is reduced to 5 25g/KWh, indicates the economic value of the present invention.
The air inlet guider of the present invention can be made of metallic plate punching, or be made of synthetic material, and original surface and overall geometry can be set as needed.The present invention by way of increasing the guiding device of a cylinder list acting on the eddy generation of overall gas stream, than only controlling air-flow to produce stronger effect with air intake duct wall.The present invention can improve economy, and scheme cylinder is clean, and can easily be manufactured using existing process technology completely.Gasoline engine, diesel engine or the internal combustion engine using other fuel, no matter Multi-Cylinder Diesel Engine or single cylinder engine, can be easily economically using the present invention no matter also vertical or horizontal.Throwing A f are blunt few, and the effect of the fuel-economizing brought and reduction exhaust emission is huge.
The present invention can also have many modifications, but all among the claims of the present invention.
Claims (1)
- Claim1. a kind of air intake guiding unit for internal combustion engine, which is provided with inclined guide vane, the gas for flowing through guide vane produces eddy flow, it is characterised in that：The guiding device is arranged on the junction of cylinder head of internal combustion engine and air inlet pipe, and the guide vane stretches into the inlet channel of internal combustion engine gas rainbow head.2. air intake guiding unit for internal combustion engine as claimed in claim 1, it is characterised in that：The guide vane and the Flange Forming being clamped between cylinder head and air inlet pipe are integrated.3. air intake guiding unit for internal combustion engine as claimed in claim 1, it is characterised in that：The guiding device, which has, forms a gas channel in the circular seat of the perisporium of band one, circular seat, institute's fan's guide vane is connected with the circular seat.4. air intake guiding unit for internal combustion engine as claimed in claim 3, it is characterised in that：The inlet channel of cylinder head has a reaming part at air inlet, to accommodate the circular seat.5. air intake guiding unit for internal combustion engine as claimed in claim 1, it is characterised in that：The guide vane is the guide vane of one group of separation.6. air intake guiding unit for internal combustion engine as claimed in claim 2, it is characterised in that：The guide vane is streamlined, close to a side surface of inlet channel, and with the leaf head for partly stretching into cylinder head vortex chamber.7. air intake guiding unit for internal combustion engine as claimed in claim 6, it is characterised in that：The guide vane is inclined to the bottom surface of inlet channel.8. air intake guiding unit for internal combustion engine as claimed in claim 6, it is characterised in that：The narrowed width of the leaf head, tip segment is bent gently towards vacuum side of blade.9. the internal combustion engine with air intake guiding unit as claimed in any of claims 1 to 8 in one of claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01139378A CN1421601A (en) | 2001-11-23 | 2001-11-23 | Air intake guiding unit for internal combustion engine |
| CN01139378.5 | 2001-11-23 | ||
| PCT/CN2002/000845 WO2003044346A1 (en) | 2001-11-23 | 2002-11-25 | An inlet guiding device for an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1615396A true CN1615396A (en) | 2005-05-11 |
| CN100389250C CN100389250C (en) | 2008-05-21 |
Family
ID=4675233
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01139378A Pending CN1421601A (en) | 2001-11-23 | 2001-11-23 | Air intake guiding unit for internal combustion engine |
| CNB028273524A Expired - Fee Related CN100389250C (en) | 2001-11-23 | 2002-11-25 | Inlet guider of IC engine and IC engine therewith |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01139378A Pending CN1421601A (en) | 2001-11-23 | 2001-11-23 | Air intake guiding unit for internal combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN1421601A (en) |
| AU (1) | AU2002366207A1 (en) |
| WO (1) | WO2003044346A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236504A (en) * | 2018-11-22 | 2019-01-18 | 潍坊力创电子科技有限公司 | Gas engine air/gas mixing arrangement |
| CN113898793A (en) * | 2021-11-19 | 2022-01-07 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Air duct diversion accessory |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1707087B (en) * | 2004-06-10 | 2010-04-28 | Avl里斯脱有限公司 | Internal combustion engine with at least air inlet runner |
| JP2013502533A (en) * | 2009-08-20 | 2013-01-24 | ピナクル・エンジンズ・インコーポレイテッド | High swirl engine |
| FR2981985B1 (en) * | 2011-10-27 | 2015-04-10 | Pierre Yves Junker | COMPACT VORTEX GENERATOR |
| CN105443275A (en) * | 2015-12-14 | 2016-03-30 | 重庆博玉天成文化传媒有限责任公司 | Fuel economizer and automobile engine system |
| JP6994998B2 (en) * | 2018-03-29 | 2022-01-14 | 本田技研工業株式会社 | engine |
| CN109159902B (en) * | 2018-08-23 | 2020-08-21 | 金湖县农副产品营销协会 | Drainage mechanism for air inlet of unmanned aerial vehicle engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274386A (en) * | 1979-08-24 | 1981-06-23 | Jose Reyes | Turbo plate vaporizer |
| US4432312A (en) * | 1982-02-08 | 1984-02-21 | General Motors Corporation | Engine intake port with variable swirl vanes |
| GB2300225A (en) * | 1995-04-29 | 1996-10-30 | Ford Motor Co | I.c.engine charge tumble intake system |
-
2001
- 2001-11-23 CN CN01139378A patent/CN1421601A/en active Pending
-
2002
- 2002-11-25 CN CNB028273524A patent/CN100389250C/en not_active Expired - Fee Related
- 2002-11-25 AU AU2002366207A patent/AU2002366207A1/en not_active Abandoned
- 2002-11-25 WO PCT/CN2002/000845 patent/WO2003044346A1/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236504A (en) * | 2018-11-22 | 2019-01-18 | 潍坊力创电子科技有限公司 | Gas engine air/gas mixing arrangement |
| CN109236504B (en) * | 2018-11-22 | 2023-08-29 | 潍坊力创电子科技有限公司 | Air/gas mixing device for gas engine |
| CN113898793A (en) * | 2021-11-19 | 2022-01-07 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Air duct diversion accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002366207A1 (en) | 2003-06-10 |
| CN100389250C (en) | 2008-05-21 |
| CN1421601A (en) | 2003-06-04 |
| WO2003044346A1 (en) | 2003-05-30 |
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