CN207485571U - A kind of supercharging multi-point injection petrol engine inlet manifold assembly - Google Patents
A kind of supercharging multi-point injection petrol engine inlet manifold assembly Download PDFInfo
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- CN207485571U CN207485571U CN201720828789.9U CN201720828789U CN207485571U CN 207485571 U CN207485571 U CN 207485571U CN 201720828789 U CN201720828789 U CN 201720828789U CN 207485571 U CN207485571 U CN 207485571U
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Abstract
The utility model discloses a kind of supercharging multi-point injection petrol engine inlet manifold assemblies, and including manifold body, pressure stabilizing cavity and four manifolds are provided in manifold body；The throttle flange connected with the air inlet of pressure stabilizing cavity is provided in manifold body and is connected with the gas outlet of four manifolds and cylinder cap flange；The vacuum servo pipe fitting connected with pressure stabilizing cavity is additionally provided in manifold body；It is characterized in that：The central axis of throttle flange is located in the central symmetry plane of manifold body；Four manifolds are arranged symmetrically relative to throttle flange；Throttle flange is connected by inlet channel with the air inlet of pressure stabilizing cavity；The fuel evaporation pipe fitting communicated therewith and crankcase ventilation pipe fitting are provided on inlet channel.The utility model is simple, easy to install and use, by the middle part that throttle flange is set to manifold body so that the induction pathway length of 4 air flues is substantially suitable, and the uniformity of air inlet is easier to realize.
Description
Technical field
The utility model is related to a kind of inlet manifold assemblies, belong to automotive engine air intake system field more particularly to one
Kind supercharging multi-point injection petrol engine inlet manifold assembly.
Background technology
When engine works, in order to which each cylinder is given to provide sufficient and uniform gaseous mixture, the inlet manifold of reasonable design is needed,
Fresh air Jing Guo air filter is introduced into each cylinder.Generally, the manifold of the inlet manifold of engine with supercharger is with respect to air throttle
It is arranged symmetrically, it is easier to realize uniform air inlet.Since booster intervention rotating speed is relatively low, engine power performance output can pass through increasing
The matching of depressor is realized, therefore the reduction intake resistance that gas inlet manifold design can be small as far as possible, pipe range can be made short.
Meanwhile for the minimum for realizing engine overall dimensions, inlet manifold small volume.And persistently adding with emission regulation
Sternly, EVAP Evaporative System fuel-steam is must be devised in inlet manifold, crankcase ventilating system engine oil steam is again introduced into
Cylinder participates in the channel of engine combustion, reduces discharging pollutants to the greatest extent.In order to realize the compact of cabin arrangement of parts
And beauty, various fixed structures are also integrated in inlet manifold, fixed position is provided for peripheral component.
One kind is disclosed in Chinese utility model patent CN203796458U for being pressurized multi-point injection four-cylinder gasoline hair
The inlet manifold of motivation, including manifold upper piece and manifold bottom sheet, the manifold upper piece welds to form voltage stabilizing with manifold bottom sheet pairing
Chamber and four manifolds connected with pressure stabilizing cavity, the pipe range of four manifolds is equal, ensures the intake uniformity of engine；Air inlet
Various pipe fittings are integrated on manifold, some of the contaminants can be again introduced into in-cylinder combustion by pipe fitting, advantageously reduce discharge
It is horizontal；Vacuum source is provided for vacuum braking, booster RCV valves simultaneously, ensures the realization of related system function；Manifold upper piece and discrimination
Pipe bottom sheet is welded together to form inlet manifold, favorable sealing property and integral solder by upper piece welding bar and bottom sheet welding bar
Intensity is high.But the throttle flange of the utility model is arranged in the side of manifold bottom sheet, the technology present in the technical solution
Problem is as follows：1. the distribution non-evenness of each inlet manifold is difficult to control fine；2. air throttle is arranged in inlet manifold side
Face is unfavorable for reducing the size of complete machine front and back end；3. fuel evaporation pipe fitting and crankcase bleed pipe joint arrangement are in pressure stabilizing cavity
Portion is unfavorable for evenly distributing for oil gas.
Utility model content
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a kind of supercharging is more
Point injected petrol intake manifold of engine assembly, can ensure to cause engine cloth while each gas manifold inlet uniformity
It puts compacter.
In order to solve the above technical problems, the utility model employ it is such a supercharging multi-point injection petrol engine with into
Gas manifold assembly, including manifold body, the manifold body is internally provided with pressure stabilizing cavity and four manifolds, the pressure stabilizing cavity with
Four manifolds connection；Be provided in the manifold body throttle flange that is connected with the air inlet of pressure stabilizing cavity and with four
Gas outlet connection and the cylinder cap flange of manifold；The vacuum boosting pipe connected with pressure stabilizing cavity is additionally provided in the manifold body to connect
Head；It is characterized in that：The central axis of the throttle flange is located in the central symmetry plane of the manifold body；Described four
Manifold is arranged symmetrically relative to the throttle flange；The air inlet that the throttle flange passes through inlet channel and the pressure stabilizing cavity
Mouth connection；The fuel evaporation pipe fitting communicated therewith and crankcase ventilation pipe fitting are provided on the inlet channel.
In a kind of preferred embodiment of the utility model, the manifold body includes manifold upper piece and manifold bottom sheet,
The manifold upper piece welds four manifolds to form pressure stabilizing cavity and be connected with pressure stabilizing cavity with the manifold bottom sheet pairing, described four
The pipe range of manifold is equal.
In a kind of preferred embodiment of the utility model, on piece is provided with throttle flange and cylinder cap under the manifold
Flange；The entrance center axis of the throttle flange is located in the symmetrical centre face of the manifold bottom sheet.
In a kind of preferred embodiment of the utility model, mounting hole, every manifold are provided on the cylinder cap flange
Gas outlet by setting there are three mounting hole.
In a kind of preferred embodiment of the utility model, mounting hole of oil sprayer and spray are provided on the cylinder cap flange
Oily device fixing lug boss.
In a kind of preferred embodiment of the utility model, air throttle assembling mistake proofing is provided on the throttle flange
Pin.
In a kind of preferred embodiment of the utility model, on piece is provided with solenoid valve fixing lug boss on the manifold.
In a kind of preferred embodiment of the utility model, being provided in the solenoid valve fixing lug boss prevents solenoid valve
The positioning pin of rotation.
The beneficial effects of the utility model are：The utility model structure is simple, easy to install and use, by by throttle flange
It is set to the middle part of manifold body so that the induction pathway length of 4 air flues is substantially suitable, and the uniformity of air inlet is easier in fact
It is existing；Simultaneously as throttle flange is located at the middle part of manifold body, inlet manifold will not be made to stretch out the bent axle side of engine body
To making engine arrangement more compact, while inlet manifold center of gravity reduces, advantageously ensure that the mode water of gas handling system is gentle reliable
Property.The utility model by fuel evaporation pipe fitting and crankcase ventilation pipe fitting also by being set to throttle flange and described steady
Between the air inlet for pressing chamber so that the oil gas in crankcase ventilation system can be evenly distributed in 4 cylinders, be conducive to burning
Stability and uniformity；The utility model manifold upper piece and manifold bottom sheet are fixed by 8 mounting holes so that each inlet manifold
Being equivalent to every cylinder has 3 bolts to fix, so better tightness；Bolt is more, and the power that each bolt is shared is with regard to smaller, bolt
It is not easy to loosen, better reliability；And the fastening bolt in 8 mounting holes can use conventional straight sleeve to assemble, dress
Simple with process, efficient, institute is time-consuming few.Finally, the utility model integrates fuel injector peace on inlet manifold cylinder cap flange
Fill seat, the not no structure of former patent.The structure is arranged in inlet manifold, and cylinder cap, can be significantly there is no need to design mounting base
Reduce the manufacture complexity of cylinder cap.
Description of the drawings
Fig. 1 is that a kind of structure for being pressurized multi-point injection petrol engine inlet manifold assembly of the utility model embodiment is shown
It is intended to one；
Fig. 2 is that a kind of structure for being pressurized multi-point injection petrol engine inlet manifold assembly of the utility model embodiment is shown
It is intended to two；
Fig. 3, which is that the utility model embodiment is a kind of, to be pressurized under the manifold of multi-point injection petrol engine inlet manifold assembly
Chip architecture figure；
Fig. 4, which is that the utility model embodiment is a kind of, to be pressurized on the manifold of multi-point injection petrol engine inlet manifold assembly
Chip architecture figure；
Fig. 5, which is that the utility model embodiment is a kind of, to be pressurized under the manifold of multi-point injection petrol engine inlet manifold assembly
Bobbin surveys view；
In figure：1. 1.1 mounting hole of cylinder cap flange, 2. manifolds, 3. pressure stabilizing cavities, 4. throttle flanges, 5. fuel injectors are installed
Hole, 6. fuel injector fixing lug boss, 7. solenoid valve fixing lug boss, 8. decorative cover of engine fixing lug boss, the fixation of 9. wire harness brackets are convex
Platform, 10. air inlet temperature/pressure sensor fixing lug boss, 11. fuel evaporation pipe fittings, 12. crankcase ventilation pipe fittings, 13. are very
Empty power-assisted pipe fitting, 14. wiring harness fasteners, 15. fuel pipe clips, 16. air admission fork pipe holder fixing lug boss, 17. air throttles dress
With mistake proofing pin, 18. pressing sleeves, 19. pressing sleeves, 20. cylinder cap flange seal rings, 21. throttle flange sealing rings, 22. threaded inserts,
23. manifold bottom sheet, 24. manifolds upper piece, 25. inlet channels, 26. air inlets.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As a kind of structural representation of supercharging multi-point injection petrol engine inlet manifold assembly shown in Figure of description
Figure is it is found that a kind of supercharging multi-point injection petrol engine of the utility model includes manifold body, manifold sheet with inlet manifold assembly
Body is internally provided with pressure stabilizing cavity 3 and four manifolds 2, and pressure stabilizing cavity 3 is connected with four manifolds 2；It is provided in manifold body and voltage stabilizing
The throttle flange 4 and connected with the gas outlet of four manifolds 2 and cylinder cap flange 1 that the air inlet of chamber 3 connects；In manifold body also
It is provided with the vacuum servo pipe fitting 13 connected with pressure stabilizing cavity 3；The central axis of throttle flange 4 is located at the center of manifold body
In the plane of symmetry；Four manifolds 2 are arranged symmetrically relative to throttle flange 4；Throttle flange 4 passes through inlet channel 25 and pressure stabilizing cavity
3 air inlet 26 connects；The fuel evaporation pipe fitting 11 communicated therewith is provided on inlet channel 25 and crankcase bleed pipe connects
First 12；Inlet manifold divides cylinder cap flange 1, manifold 2, pressure stabilizing cavity 3, throttle flange 4 according to function, and inlet manifold is plastics material
Matter, light weight, inner surface is smooth, and intake resistance is small, is conducive to the outstanding performance of engine power performance, it helps reduces combustion
Specific oil consumption.Inlet manifold be divided into up and down 2, it is integrally welded using Vibration welding technique；Every 1 manifold is in welding surface
On be designed with protrusion welding bar.During Vibration welding, bond together, formed after the welding bar fusing cooling between 2
Complete inlet manifold with good sealing property；Manifold body include manifold upper piece 24 and manifold bottom sheet 23, manifold upper piece 24 with
23 pairing of manifold bottom sheet welds four manifolds 2 to form pressure stabilizing cavity 3 and be connected with pressure stabilizing cavity 3, and the pipe range of four manifolds 2 is equal；
Throttle flange 4 and cylinder cap flange 1 are provided in manifold bottom sheet 23；The entrance center axis of throttle flange 4 is located under manifold
In the symmetrical centre face of piece 23；Mounting hole 1.1 is provided on cylinder cap flange 1, at least provided with three by the gas outlet of every manifold 2
A mounting hole 1.1；Fresh air enters pressure stabilizing cavity 3, then pass through cylinder cap flange 1 via 4 manifolds 2 by throttle flange 4
On air inlet flow into each air intake duct.Fuel evaporation pipe fitting 11, crankcase ventilation pipe fitting 12, vacuum are integrated in inlet manifold
Power-assisted pipe fitting 13, they are all disposed on pressure stabilizing cavity 3；The PCV connectors that machine oil steam in crankcase is covered by valve cover
Enter pressure stabilizing cavity 3 through crankcase bleed pipe, crankcase ventilation pipe fitting 11, enter combustion chamber with fresh air；Fuel tank
Interior fuel-steam enters pressure stabilizing cavity 3 by fuel pipe, Valve EGR, fuel evaporation pipe fitting 12, with fresh air one
It rises and enters combustion chamber；Vacuum servo pipe fitting 13 is connect by brake piping with vacuum booster pump, when Smaller load in engine,
There are certain vacuum degrees, the vacuum degree in inlet manifold pressure stabilizing cavity 3 to be ultimately applied to braking system by boost pump, realizes system
Dynamic auxiliary function；Check valve is disposed between inlet manifold and vacuum booster pump, prevents in inlet manifold pressure stabilizing cavity 3 gas just
Enter brake line during pressure.Different size and the wiring harness fastener 14 of shape are designed in the place that harness passes through, for harness
Fixation, caused by avoiding harness relative motion pipeline abrasion and noise problem.4 fuel injector peaces are designed on cylinder cap flange 1
Hole 5 is filled, fuel injector is coordinated by the wall surface of O-ring and mounting hole of oil sprayer 5, realizes effectively sealing；Meanwhile fuel injector is fixed on
In fuel injector fixing lug boss 6, ensure the normal work of fuel injector.Solenoid valve fixing lug boss 7 is located at one end of pressure stabilizing cavity 3, boss
On be designed with positioning pin, on solenoid valve hole coordinate, prevent solenoid valve from rotating.It is also devised with starting at the both ends of pressure stabilizing cavity 3
Machine Decorative Cover fixing lug boss 8 realizes being reliably fixed for decorative cover of engine, ensures that engine overall appearance is beautiful, and plays one
Fixed protection and noise reduction.Can not direct fixed beam position, design wire harness bracket fixing lug boss 9, by wire harness bracket
It is fixed in inlet manifold.Air inlet temperature/pressure sensor fixing lug boss 10 is used for installing air inlet temperature/pressure sensor, simultaneously
Ensure that temperature and pressure transmitter probe stretches into pressure stabilizing cavity, the accurate temperature and pressure measured in manifold.Do not influencing inlet manifold
Wiring harness fastener 14 is directly designed in the position of depanning, conveniently realizes the fixation of harness.Since fuel evaporation pipeline trend is multiple
It is miscellaneous, pipeline is longer, fuel pipe clip 15 is designed on pressure stabilizing cavity, the fixation of fuel pipe had both been ensure that, and had also reached pipeline and walk
To beautiful effect.In order to ensure that inlet manifold assembly mode meets design requirement, inlet manifold assembly has stent support, fixed
On air admission fork pipe holder boss 16.Meanwhile it in order to avoid air throttle direction misloading, is set on inlet manifold throttle flange 4
Air throttle assembling mistake proofing pin 17 is counted, is coordinated with the pin hole on air throttle.
If Fig. 2 is inlet manifold assembly structure diagram, component part includes：Pressing sleeve 18, pressing sleeve 19, cylinder cap flange are close
Seal 20, throttle flange sealing ring 21, threaded insert 22, bottom sheet 23, upper piece 24.Upper piece 24, bottom sheet 23 rubbed using vibration
Welding procedure welds together.Pressing sleeve 18, pressing sleeve 19 are pressed by cold pressing device in the plastic eyelet of cylinder cap flange, and pressing sleeve is with hole
Interference fit, after ensureing that inlet manifold assembly is assembled on engine, pressing sleeve will not be loosened because of vibration.Wherein in pressing sleeve 18
Diameter is smaller, and as location hole when assembling, while the hole is detection datum hole.Threaded insert 22 be unified dimensions, quilt
It is plugged on standby press-in manifold in corresponding hole with heat after heating, copper insert top surface is concordant with plastic cover or slightly protrudes, and ensures solar term
Door fixing bolt and air admission fork pipe holder fixing bolt tighten effect.Cylinder cap flange seal ring 20 is mounted on the close of cylinder cap flange
In sealing groove, 8 protrusions being arranged symmetrically relative to anti-neglected loading flange are disposed on non-tight face, raised maximum gauge is more than close
Sealing groove width is interference fit between seal groove, comes off from seal groove after preventing assembling；Throttle flange sealing ring 21 fills
In the seal groove for fitting over throttle flange, there is same structure to prevent from coming off.Simultaneously it can also be seen that every 1 cylinder cap flange is close
It is fixed around seal 20 using 3 bolts, there is preferable sealing effect.
The advantage of this paper inlet manifold assemblies is it can be seen from described above：Inlet manifold is plastic material, volume
Small, light weight, inner wall smooth are conducive to promote engine power performance and reduce fuel consumption；Four manifolds are relative to air throttle
Flange is arranged symmetrically, and isometric design, radius of curvature is larger, while ensureing the intake uniformity of engine, reduces intake resistance,
Improve volumetric efficiency；A variety of mounting holes, fixing lug boss and fixed card slot are integrated in inlet manifold, is ensureing the function of retaining element just
Normal and use reliability, while engine radiation noise can be reduced to avoid the improper vibration of retaining element and noise；Bent axle
Close to throttle flange entry position, oil vapour pollution object passes through pipe fitting for case vent pipe fittings, vapourizer tube joint arrangement
Into after inlet manifold, each cylinder can be uniformly entered, can not only reduce emission level, also helps the burning one of each cylinder
Cause property and stability；Vacuum boosting pipe joint arrangement avoids intake pressure wave on the pressure stabilizing cavity far from throttle flange entrance
It is dynamic, it provides and stablizes and sufficient vacuum source to braking system.
In the utility model, cylinder cap flange seal ring, throttle flange sealing ring material are fluorubber, are had good
Oil resistivity, corrosion resistance and ageing-resistant performance.A certain number of special bulge-structures are designed in the non-tight face of sealing ring, with sealing
It is interference fitted between slot, realizes being reliably fixed for sealing ring.Anti- neglected loading flange is also devised in non-tight face, is assembled in sealing ring
In place, after inlet manifold is fixed on cylinder cap, it can be seen that, sealing ring neglected loading is avoided to cause leakage from inlet manifold outside
Problem.Pressing sleeve is designed on inlet manifold cylinder cap flange face simultaneously, bolt passes through pressing sleeve, inlet manifold assembly is fixed on cylinder
On lid inlet flange；Threaded insert is designed on inlet manifold throttle flange, bolt coordinates with threaded insert, air throttle is consolidated
It is scheduled on inlet manifold throttle flange；It is realized and sealed by sealing ring between inlet manifold and union piece.Fresh air edge
Air inlet pipeline by air cleaner, booster pressure shell, charge air cooler, enters inlet manifold by air throttle, by equal after pressure stabilizing cavity
Even distribution enters back into 4 cylinders of engine and participates in burning to 4 manifolds.
Fuel evaporation pipe fitting and crankcase ventilation pipe fitting are designed in inlet manifold, utilizes air inlet under running on the lower load
The exhaust gas intake manifolds such as fuel-steam, machine oil steam are entered cylinder combustion by the negative pressure in manifold with fresh air respectively, are reduced
Discharge.Meanwhile be also devised with vacuum servo pipe fitting, be connected with vacuum booster pump, when being in middle Smaller load using engine into
Gas manifold interior is the operation principle of negative pressure, and the vacuum booster pump normal work for motor vehicle braking system provides vacuum source.
In addition the fixed structures such as buckle, boss are also devised in inlet manifold.Engine wiring harness, vehicle and engine system
Pipeline is fixed in buckle, and pipeline vibration in vehicle operation is avoided to cause and other parts interference and noise problem；Boss
Then being reliably fixed for fuel injector, wire harness bracket, temperature and pressure transmitter, decorative cover of engine etc..
Manifold, pressure stabilizing cavity surface are designed with reinforcing rib, on the one hand improve inlet manifold overall stiffness, on the other hand reduce table
Surface radiation noise.
It should be understood that the above is only the specific embodiments of the utility model, but the scope of protection of the utility model
It is not limited thereto, any those skilled in the art can think easily in the technical scope disclosed by the utility model
The change or replacement arrived, should be covered within the scope of the utility model.
Claims (8)
1. a kind of supercharging multi-point injection petrol engine inlet manifold assembly, including manifold body, inside the manifold body
Pressure stabilizing cavity (3) and four manifolds (2) are provided with, the pressure stabilizing cavity (3) connects with four manifolds (2)；The manifold body
On be provided with the throttle flange (4) connected with the air inlet of pressure stabilizing cavity (3) and connected with the gas outlet of four manifolds (2) and cylinder
Lid flange (1)；The vacuum servo pipe fitting (13) connected with pressure stabilizing cavity (3) is additionally provided in the manifold body；Its feature exists
In：The central axis of the throttle flange (4) is located in the central symmetry plane of the manifold body；Four manifolds (2)
It is arranged symmetrically relative to the throttle flange (4)；The throttle flange (4) passes through inlet channel (25) and the pressure stabilizing cavity
(3) air inlet (26) connection；The fuel evaporation pipe fitting (11) and song communicated therewith is provided on the inlet channel (25)
Crankcase ventilation pipe fitting (12).
2. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 1, it is characterised in that：
The manifold body includes manifold upper piece (24) and manifold bottom sheet (23), the manifold upper piece (24) and the manifold bottom sheet (23)
Pairing welds four manifolds (2) to form pressure stabilizing cavity (3) and be connected with pressure stabilizing cavity (3), the pipe range phase of four manifolds (2)
Deng.
3. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 2, it is characterised in that：
Throttle flange (4) and cylinder cap flange (1) are provided on the manifold bottom sheet (23)；In the entrance of the throttle flange (4)
Mandrel line is located in the symmetrical centre face of the manifold bottom sheet (23).
4. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 1, it is characterised in that：
Mounting hole (1.1) is provided on the cylinder cap flange (1), there are three mounting holes for the gas outlet side setting of every manifold (2)
(1.1)。
5. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 4, it is characterised in that：
Mounting hole of oil sprayer (5) and fuel injector fixing lug boss (6) are provided on the cylinder cap flange (1).
6. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 1, it is characterised in that：
Air throttle assembling mistake proofing pin (17) is provided on the throttle flange (4).
7. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 1, it is characterised in that：
Solenoid valve fixing lug boss (7) is provided on the cylinder cap flange (1).
8. a kind of supercharging multi-point injection petrol engine inlet manifold assembly according to claim 7, it is characterised in that：
The positioning pin for preventing solenoid valve from rotating is provided on the solenoid valve fixing lug boss (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720828789.9U CN207485571U (en) | 2017-07-10 | 2017-07-10 | A kind of supercharging multi-point injection petrol engine inlet manifold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720828789.9U CN207485571U (en) | 2017-07-10 | 2017-07-10 | A kind of supercharging multi-point injection petrol engine inlet manifold assembly |
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| Publication Number | Publication Date |
|---|---|
| CN207485571U true CN207485571U (en) | 2018-06-12 |
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ID=62484308
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720828789.9U Active CN207485571U (en) | 2017-07-10 | 2017-07-10 | A kind of supercharging multi-point injection petrol engine inlet manifold assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590902A (en) * | 2018-06-27 | 2018-09-28 | 江苏科彤车业科技有限公司 | a kind of intake manifold assembly |
| CN109441676A (en) * | 2018-11-28 | 2019-03-08 | 天津惠德汽车进气系统股份有限公司 | A kind of new engine inlet manifold |
| JP2019178626A (en) * | 2018-03-30 | 2019-10-17 | 本田技研工業株式会社 | Intake structure for internal combustion engine for saddle-ride type vehicle |
-
2017
- 2017-07-10 CN CN201720828789.9U patent/CN207485571U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019178626A (en) * | 2018-03-30 | 2019-10-17 | 本田技研工業株式会社 | Intake structure for internal combustion engine for saddle-ride type vehicle |
| CN108590902A (en) * | 2018-06-27 | 2018-09-28 | 江苏科彤车业科技有限公司 | a kind of intake manifold assembly |
| CN108590902B (en) * | 2018-06-27 | 2023-12-08 | 江苏科彤车业科技有限公司 | Intake manifold assembly |
| CN109441676A (en) * | 2018-11-28 | 2019-03-08 | 天津惠德汽车进气系统股份有限公司 | A kind of new engine inlet manifold |
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| GR01 | Patent grant | ||
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: dFac Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Car Co. |
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| CP01 | Change in the name or title of a patent holder |