CN108105373A - Gearbox oil pump shell - Google Patents
Gearbox oil pump shell Download PDFInfo
- Publication number
- CN108105373A CN108105373A CN201810027721.XA CN201810027721A CN108105373A CN 108105373 A CN108105373 A CN 108105373A CN 201810027721 A CN201810027721 A CN 201810027721A CN 108105373 A CN108105373 A CN 108105373A
- Authority
- CN
- China
- Prior art keywords
- oil pump
- cover board
- enclosure body
- reinforcing ribs
- gear box
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 56
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0436—Pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model provides a gearbox oil pump shell, including casing body and apron, the middle part of a terminal surface of casing body is connected with the apron through the bolt, the upper left portion of a terminal surface of casing body is provided with the oil inlet, the upper right portion of a terminal surface of casing body is provided with the oil-out, the upper left portion of another terminal surface of casing body is provided with the communicating oil inlet way with the oil inlet, the upper right portion of another terminal surface of casing body is provided with the communicating oil outlet way with the oil-out, be provided with a plurality of bolt holes on the periphery of casing body, the degree of depth of bolt hole equals the thickness of casing body, be provided with many strengthening ribs on the terminal surface that the apron was kept away from to the casing body, the strengthening rib is alternately. This design is not only sealed effectual, and structural strength is high, rigidity is high moreover.
Description
Technical field
The present invention relates to automobile gearbox technical field more particularly to a kind of gear box oil pump cases, are primarily adapted for use in solution
Certainly between gear box oil pump and phase accessory the problem of the oil leak of composition surface.
Background technology
Heavy-duty power transmission by the way of active lubrication, is lubricated grease pump to gearbox needs by oil pump mostly
Position such as bearing, gear field of conjugate, carries out fixed point lubrication.Since speed changing box lubricating system is there are pressure, and pressure oscillation compared with
Greatly, oil pump oil input channel, the contact area of oil road and phase accessory are bigger, and the sealing surface oil leak risk of gear box oil pump oil duct is got over
It is high.It is on the rise between gear box oil pump and phase accessory sealing surface the problem of oil leak.
Chinese patent, Authorization Notice No. CN203926717U, authorized announcement date are the utility model on November 5th, 2014
A kind of speed changer integral type oil pump is disclosed, including oil pump case and oil pump cover, oil inlet, oil suction chamber are offered on oil pump case
Road, oil suction cavity, fuel-displaced cavity and function cavity offer the passage led to outside oil pump case on function cavity, and logical
Oily stifled or oil connection is installed on road.Although the utility model simplifies structure, it still has following defect：It should
The contact area of oil pump into oil road and phase accessory is larger in utility model so that there are oil leaks between oil pump and phase accessory to ask
Topic.
The content of the invention
The purpose of the present invention is overcome the problems, such as the defects of sealing effect in the prior art is poor and, a kind of sealing is provided
The good gear box oil pump case of effect.
In order to achieve the above object, the technical solution of the present invention is：A kind of gear box oil pump case, including enclosure body
With cover board, the cover board is connected by bolt with enclosure body, the middle part of the end face of the enclosure body by bolt with
Cover board is connected, and the upper left quarter of the end face of enclosure body is provided with oil inlet, and the upper right quarter of the end face of enclosure body is set
There is oil outlet, the upper left quarter of the other end of the enclosure body is provided with the oil input channel communicated with oil inlet, enclosure body
The upper right quarter of other end is provided with the oil road communicated with oil outlet.
Multiple bolts hole are provided on the periphery of the enclosure body, enclosure body is fixed on transmission housing by bolt hole
On body, the depth of the bolt hole is equal to the thickness of enclosure body.
The enclosure body is provided with more No.1 reinforcing ribs on the end face away from cover board, the No.1 reinforcing rib intersects cloth
It puts on the line of bolt hole.
The enclosure body is provided with more No. two reinforcing ribs on the end face away from cover board, No. two reinforcing ribs are located at spiral shell
Between keyhole and enclosure body.
The enclosure body is Y-shaped structure.
No. three reinforcing ribs and more No. four reinforcing ribs are provided on the outer end face of the cover board, No. three reinforcing ribs are ring
Shape structure, No. three reinforcing ribs and cover board are concentric, and No. four reinforcing ribs are arranged in the company of the center of cover board and the outer periphery of cover board
On line, No. four reinforcing ribs intersect with No. three reinforcing ribs.
Dowel hole there are two being set on the end face of the enclosure body installation cover board.
The enclosure body is provided with safety valve in the middle part of the end face away from cover board.
The mounted inside of the cover board has the internal rotor being meshed, outer rotor, and it is flat to be equipped with /V in the middle part of the cover board,
The endoporus of the flat axle portion of the /V and internal rotor is interference fitted.
The manufacture material of the gear box oil pump case is aluminium alloy.
Compared with prior art, beneficial effects of the present invention are：
1st, the oil inlet in a kind of gear box oil pump case of the present invention on oil pump case and oil outlet are changed to half envelope by open type
Enclosed designs, and adds the contact area of oil pump case end face and phase accessory end face, reduces the sealing area of oil duct, so as to drop
Low oil leak risk.Therefore, sealing effect of the present invention is good.
2nd, multiple bolts hole, enclosure body are provided on a kind of periphery of gear box oil pump case middle casing body of the present invention
It is fixed on by bolt hole on gear box casing, the depth of bolt hole is equal to the thickness of enclosure body, adds bolt of cylinder hole
The thickness of positioning convex platform improves the structural strength of oil pump case；Enclosure body is provided with more one on the end face away from cover board
Number reinforcing rib, on the line of bolt hole, enclosure body is provided with more No.1 reinforcing rib arranged crosswise on the end face away from cover board
No. two reinforcing ribs of root, No. two reinforcing ribs are provided with No. three reinforcements between bolt hole and enclosure body on the outer end face of cover board
Muscle and more No. four reinforcing ribs, No. three reinforcing ribs are loop configuration, and No. three reinforcing ribs and cover board are concentric, and No. four reinforcing ribs are arranged in
On the line of the center of cover board and the outer periphery of cover board, No. four reinforcing ribs intersect with No. three reinforcing ribs, and above-mentioned design improves
The rigidity of oil pump case, Leakage caused by sealing plane deformation during so as to reduce operation of oil pump.Therefore, structure of the present invention
Intensity is high, rigidity is high, sealing effect is good.
3rd, a kind of gear box oil pump case middle casing body of the present invention is Y-shaped structure, such design not only structure letter
It is single, and manufacture easy；It is set on the end face of enclosure body installation cover board there are two dowel hole, enclosure body is away from cover board
Safety valve is provided in the middle part of end face, is equipped with that /V is flat in the middle part of cover board, the manufacture material of gear box oil pump case is that aluminium closes
Gold, above-mentioned design so that simple installation, reliability are high.Therefore, the configuration of the present invention is simple, manufacture simplicity, simple installation, reliability
It is high.
Description of the drawings
Fig. 1 is a kind of front view of gear box oil pump case of the present invention.
Fig. 2 is a kind of dimensional structure diagram of gear box oil pump case of the present invention.
Fig. 3 is the front view of middle casing body of the present invention.
Fig. 4 is the dimensional structure diagram of middle casing body of the present invention.
Fig. 5 is the assembling structure schematic diagram that /V is flat in the present invention.
In figure：Enclosure body 1, oil inlet 11, oil outlet 12, oil input channel 13, oil road 14, bolt hole 15, No.1 are strengthened
16, No. two reinforcing ribs 17 of muscle, dowel hole 18, the reinforcing rib 21, four of cover board 2, three reinforcing rib 22, safety valve 3, /V be flat 4,
Bolt 5, internal rotor 6, outer rotor 7.
Specific embodiment
Below in conjunction with description of the drawings, the present invention is described in further detail with specific embodiment.
Referring to Fig. 1 to Fig. 5, a kind of gear box oil pump case, including enclosure body 1 and cover board 2, the cover board 2 passes through spiral shell
Bolt 5 is connected with enclosure body 1, and the middle part of the end face of the enclosure body 1 is connected by bolt 5 with cover board 2, housing sheet
The upper left quarter of the end face of body 1 is provided with oil inlet 11, and the upper right quarter of the end face of enclosure body 1 is provided with oil outlet 12, institute
The upper left quarter for stating the other end of enclosure body 1 is provided with the oil input channel 13 communicated with oil inlet 11, the other end of enclosure body 1
The upper right quarter in face is provided with the oil road 14 communicated with oil outlet 12.
Multiple bolts hole 15 are provided on the periphery of the enclosure body 1, enclosure body 1 is fixed on change by bolt hole 15
On fast tank shell, the depth of the bolt hole 15 is equal to the thickness of enclosure body 1.
More No.1 reinforcing ribs 16, the No.1 reinforcing rib 16 are provided on the end face of the enclosure body 1 away from cover board 2
Arranged crosswise is on the line of bolt hole 15.
More No. two reinforcing ribs 17, No. two reinforcing ribs 17 are provided on the end face of the enclosure body 1 away from cover board 2
Between bolt hole 15 and enclosure body 1.
The enclosure body 1 is Y-shaped structure.
No. three reinforcing ribs 21 and more No. four reinforcing ribs 22, No. three reinforcements are provided on the outer end face of the cover board 2
Muscle 21 is loop configuration, and No. three reinforcing ribs 21 and cover board 2 are concentric, and No. four reinforcing ribs 22 are arranged in center and the lid of cover board 2
On the line of the outer periphery of plate 2, No. four reinforcing ribs 22 intersect with No. three reinforcing ribs 21.
The enclosure body 1 installs setting on the end face of cover board 2, and there are two dowel holes 18.
Safety valve 3 is provided in the middle part of the end face of the enclosure body 1 away from cover board 2.
The mounted inside of the cover board 2 has the internal rotor 6 being meshed, outer rotor 7, and the middle part assembling of the cover board 2 is limited
Position flat 4, the axle portion of the /V flat 4 are interference fitted with the endoporus of internal rotor 6.
The manufacture material of the gear box oil pump case is aluminium alloy.
The principle of the present invention is described as follows：
In order to reduce the sealing surface oil leak risk of gear box oil pump oil duct, gear box oil pump Leakage is solved, the design proposes
A kind of gear box oil pump shell structure.Gear box oil pump uses aluminum alloy casing, and transmission housing is fixed on by positioning bolt
On body；In order to reduce the deformation generated after the urgent positioning bolt of oil pump, the thickness of bolt of cylinder hole positioning convex platform passes through intensity school
Core under conditions of deformation requirements are met, determines bolt of cylinder hole positioning convex platform thickness for 3 times before improvement；The reinforcement of oil pump
Muscle is located on bolt hole line, and arranged crosswise, improves the rigidity of oil pump case, sealing plane during so as to reduce operation of oil pump
Leakage caused by deformation；In order to reduce the sealing area of oil duct, that is, increase oil pump case end face and phase accessory end face
Contact area, the oil inlet and outlet on oil pump case are changed to semi-enclosed design by open type, reduce oil leak risk；Increase bolt
Quantity reduces pitch of bolts, increases the reliability of sealing.By the optimization designed above, between oil pump case and phase accessory
Sealing effect be improved significantly.
Compared with prior art, oil pump case rigidity is added, reduces the sealing area of oil duct, that is, increases oil pump case
It is accumulated with phase accessory end shell contact level, reduces the deformation between oil pump and phase accessory sealing surface, reduce pitch of bolts, increased
The reliability of sealing.Solves composition surface Leakage between oil pump and phase accessory substantially by more than design optimization.
Embodiment 1：
Referring to Fig. 1 to Fig. 5, a kind of gear box oil pump case, including enclosure body 1 and cover board 2, one end of the enclosure body 1
The middle part in face is connected by bolt 5 with cover board 2, and the upper left quarter of the end face of enclosure body 1 is provided with oil inlet 11, housing sheet
The upper right quarter of the end face of body 1 is provided with oil outlet 12, and the upper left quarter of the other end of the enclosure body 1 is provided with and oil inlet
The oil input channels 13 that mouth 11 communicates, the upper right quarter of the other end of enclosure body 1 are provided with the oil road 14 communicated with oil outlet 12；
The enclosure body 1 installs setting on the end face of cover board 2, and there are two dowel holes 18；The end of the enclosure body 1 away from cover board 2
Safety valve 3 is provided in the middle part of face；The manufacture material of the gear box oil pump case is aluminium alloy.
Embodiment 2：
Substance with embodiment 1, the difference is that：
Referring to Fig. 1 to Fig. 4, multiple bolts hole 15 are provided on the periphery of the enclosure body 1, enclosure body 1 passes through bolt hole
15 are fixed on gear box casing, and the depth of the bolt hole 15 is equal to the thickness of enclosure body 1；The enclosure body 1 is separate
More No.1 reinforcing ribs 16 are provided on the end face of cover board 2,16 arranged crosswise of No.1 reinforcing rib is in the line of bolt hole 15
On；More No. two reinforcing ribs 17 are provided on the end face of the enclosure body 1 away from cover board 2, No. two reinforcing ribs 17 are located at
Between bolt hole 15 and enclosure body 1；The enclosure body 1 is Y-shaped structure.
Embodiment 3：
Substance with embodiment 1, the difference is that：
Referring to Fig. 1 to Fig. 4, No. three reinforcing ribs 21 and more No. four reinforcing ribs 22 are provided on the outer end face of the cover board 2, it is described
No. three reinforcing ribs 21 are loop configuration, and No. three reinforcing ribs 21 and cover board 2 are concentric, and No. four reinforcing ribs 22 are arranged in cover board 2
On the line of center and the outer periphery of cover board 2, No. four reinforcing ribs 22 intersect with No. three reinforcing ribs 21；The inside of the cover board 2
The internal rotor 6 being meshed, outer rotor 7 are equipped with, the middle part of the cover board 2 is equipped with /V flat 4, the axle portion of the /V flat 4
It is interference fitted with the endoporus of internal rotor 6.
Claims (10)
1. a kind of gear box oil pump case, including enclosure body（1）With cover board（2）, the cover board（2）Pass through bolt（5）With shell
Body body（1）It is connected, it is characterised in that：The enclosure body（1）End face in the middle part of pass through bolt（5）With cover board（2）
It is connected, enclosure body（1）The upper left quarter of end face be provided with oil inlet（11）, enclosure body（1）End face upper right
Portion is provided with oil outlet（12）, the enclosure body（1）The upper left quarter of other end be provided with and oil inlet（11）It communicates
Oil input channel（13）, enclosure body（1）The upper right quarter of other end be provided with and oil outlet（12）The oil road communicated（14）.
2. a kind of gear box oil pump case according to claim 1, it is characterised in that：The enclosure body（1）Periphery
On be provided with multiple bolts hole（15）, enclosure body（1）Pass through bolt hole（15）It is fixed on gear box casing, the bolt hole
（15）Depth be equal to enclosure body（1）Thickness.
3. a kind of gear box oil pump case according to claim 2, it is characterised in that：The enclosure body（1）Away from lid
Plate（2）End face on be provided with more No.1 reinforcing ribs（16）, the No.1 reinforcing rib（16）Arranged crosswise is in bolt hole（15）
Line on.
4. a kind of gear box oil pump case according to claim 3, it is characterised in that：The enclosure body（1）Away from lid
Plate（2）End face on be provided with more No. two reinforcing ribs（17）, No. two reinforcing ribs（17）Positioned at bolt hole（15）With housing
Body（1）Between.
5. a kind of gear box oil pump case according to claim 2, it is characterised in that：The enclosure body（1）For Y-shaped
Structure.
6. a kind of gear box oil pump case according to any one in claim 1-5, it is characterised in that：The cover board
（2）Outer end face on be provided with No. three reinforcing ribs（21）With more No. four reinforcing ribs（22）, No. three reinforcing ribs（21）For ring
Shape structure, No. three reinforcing ribs（21）With cover board（2）With one heart, No. four reinforcing ribs（22）It is arranged in cover board（2）Center and lid
Plate（2）Outer periphery line on, No. four reinforcing ribs（22）With No. three reinforcing ribs（21）It intersects.
7. a kind of gear box oil pump case according to any one in claim 1-5, it is characterised in that：The housing sheet
Body（1）Cover board is installed（2）End face on set there are two dowel hole（18）.
8. a kind of gear box oil pump case according to any one in claim 1-5, it is characterised in that：The housing sheet
Body（1）Away from cover board（2）End face in the middle part of be provided with safety valve（3）.
9. a kind of gear box oil pump case according to any one in claim 1-5, it is characterised in that：The cover board
（2）Mounted inside have the internal rotor being meshed（6）, outer rotor（7）, the cover board（2）To be equipped with /V flat at middle part（4）,
The /V is flat（4）Axle portion and internal rotor（6）Endoporus interference fit.
10. a kind of gear box oil pump case according to any one in claim 1-5, it is characterised in that：The speed change
The manufacture material of case oil pump case is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027721.XA CN108105373A (en) | 2018-01-11 | 2018-01-11 | Gearbox oil pump shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027721.XA CN108105373A (en) | 2018-01-11 | 2018-01-11 | Gearbox oil pump shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108105373A true CN108105373A (en) | 2018-06-01 |
Family
ID=62218884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810027721.XA Pending CN108105373A (en) | 2018-01-11 | 2018-01-11 | Gearbox oil pump shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108105373A (en) |
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| CN202209276U (en) * | 2011-09-08 | 2012-05-02 | 重庆渝江压铸有限公司 | Oil pump housing of automobile gearbox |
| CN202451412U (en) * | 2011-12-21 | 2012-09-26 | 浙江吉利汽车研究院有限公司 | Test device of oil pump of automobile gear box |
| CN102661480A (en) * | 2012-05-04 | 2012-09-12 | 浙江平柴泵业有限公司 | Novel two-way intelligent oil pump |
| CN202852385U (en) * | 2012-10-29 | 2013-04-03 | 东风汽车公司 | Rotor type electric oil pump |
| CN202971850U (en) * | 2012-12-10 | 2013-06-05 | 盛瑞传动股份有限公司 | Automatic gearbox oil pump |
| CN203441740U (en) * | 2013-08-15 | 2014-02-19 | 北汽福田汽车股份有限公司 | Gearbox oil pump structure |
| CN204003441U (en) * | 2013-12-05 | 2014-12-10 | 江苏新瑞戴维布朗齿轮***有限公司 | A kind of oil pump structure |
| CN103742774A (en) * | 2013-12-26 | 2014-04-23 | 东风汽车公司 | Variable displacement oil pump with pressure relief groove |
| CN203926717U (en) * | 2014-05-26 | 2014-11-05 | 陕西法士特齿轮有限责任公司 | A kind of speed changer integral type oil pump |
| CN104121189A (en) * | 2014-07-14 | 2014-10-29 | 阜新德尔汽车部件股份有限公司 | A difunctional stepless speed regulator oil pump |
| CN104165219A (en) * | 2014-08-05 | 2014-11-26 | 何嘉俊 | Hydrostatic continuously-variable transmission |
| CN204493006U (en) * | 2015-03-25 | 2015-07-22 | 北京汽车动力总成有限公司 | A kind of engine back cover and automobile |
| CN204591554U (en) * | 2015-05-14 | 2015-08-26 | 安徽江淮汽车股份有限公司 | A kind of high pressure oil pump flange arrangement |
| CN205859120U (en) * | 2016-07-06 | 2017-01-04 | 綦江乾宁齿轮传动有限公司 | A kind of transmission oil pump end cap |
| CN206092095U (en) * | 2016-09-14 | 2017-04-12 | 苏州市双马机电有限公司 | General gasoline engine pressure lubrication and cooling system and gasoline engine that has this system |
| CN106764372A (en) * | 2016-12-05 | 2017-05-31 | 安徽航瑞航空动力装备有限公司 | A kind of aero-engine fuel pump structure |
| CN206409617U (en) * | 2017-01-10 | 2017-08-15 | 上海汽车变速器有限公司 | Electronic pump double-clutch speed changer |
| CN206626380U (en) * | 2017-03-09 | 2017-11-10 | 浙江宏鼎汽摩配件股份有限公司 | A kind of simple noise reducing type engine oil pump assembly |
| CN206626381U (en) * | 2017-03-09 | 2017-11-10 | 浙江宏鼎汽摩配件股份有限公司 | A kind of light weight consumption reduction engine oil pump assembly |
| CN207961486U (en) * | 2018-01-11 | 2018-10-12 | 东风商用车有限公司 | Gearbox oil pump shell |
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