CN117458790A - High-pressure self-cooling type oil pump structure - Google Patents
High-pressure self-cooling type oil pump structure Download PDFInfo
- Publication number
- CN117458790A CN117458790A CN202311417757.6A CN202311417757A CN117458790A CN 117458790 A CN117458790 A CN 117458790A CN 202311417757 A CN202311417757 A CN 202311417757A CN 117458790 A CN117458790 A CN 117458790A
- Authority
- CN
- China
- Prior art keywords
- oil
- oil pump
- cooling
- rotor
- cavity
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention relates to the technical field of vehicle-mounted electronic oil pumps. The utility model provides a high pressure self-cooling type oil pump structure, includes the oil pump shell, is equipped with the external rotor in the oil pump shell, is equipped with the internal rotor in the external rotor, is equipped with the stator in the oil pump shell, is equipped with the rotor in the stator, and the oil pump right-hand member is equipped with the PCB board, and integrated into one piece has the circulation chamber in the oil pump shell, has seted up the cooling pump oil pocket between oil pump shell and the external rotor, has seted up the oil pipe way in the oil pump shell, and the one end and the pump oil pocket high pressure district intercommunication of oil pipe way, the other end of oil pipe way extends to the stator surface. The invention provides a high-pressure self-cooling oil pump structure which can utilize a high-pressure area of an oil pump to realize self-cooling of a stator, can accurately measure the actual temperature of oil in the oil pump and can cool a PCB; the technical problem that the cooling system structure in the traditional electronic oil pump in the prior art is single, the rotation speed of the oil pump is in direct proportion to the engine, and the temperature of the internal oil cannot be accurately measured is solved.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted electronic oil pumps, in particular to a high-pressure self-cooling type oil pump structure.
Background
Automobiles have become one of the most preferred transportation tools in modern society. The automobile industry rapidly develops, and as automobile performance develops towards safer, more reliable, more stable, full-automatic + intelligent and environment-friendly energy-saving, electronic oil pumps are used on automobiles in a large number.
Based on the development trend of miniaturization, high power and high integration of the current electronic oil pump, the controller component is highly integrated, the motor power is high, and the stable operation of the oil pump cannot be guaranteed by the traditional heat dissipation mode, so that a more effective heat dissipation mode needs to be designed, and the operation temperature of the motor and the controller is ensured to be in a reasonable interval.
The electronic oil pump is assembled on new energy or traditional automobile engine for in the cooling system, provide circulating power for cooling fluid, traditional oil pump directly links the engine, provides power through engine rotation, and its rotational speed is directly proportional with the engine, can't adjust fluid flow in a flexible way according to actual temperature and other factors, and can't accurate control, therefore has the needs of improvement.
Disclosure of Invention
The invention provides a high-pressure self-cooling oil pump structure which can utilize a high-pressure area of an oil pump to realize self-cooling of a stator, can accurately measure the actual temperature of oil in the oil pump, can flexibly adjust the flow of the oil according to the temperature and can cool a PCB (printed circuit board); the technical problems that a cooling system in a traditional electronic oil pump in the prior art is single in structure, the rotation speed of the oil pump is in direct proportion to an engine, the temperature of internal oil cannot be accurately measured, and the oil flow cannot be flexibly adjusted according to the oil temperature are solved.
The technical problems of the invention are solved by the following technical scheme: the utility model provides a high pressure self-cooling type oil pump structure, includes the oil pump shell, the oil pump shell is equipped with the outer rotor in the left end, the inner rotor is equipped with in the outer rotor, is equipped with the stator in the oil pump shell, is equipped with the rotor in the stator, the oil pump right-hand member is equipped with the PCB board, the oil pump shell be integrated into one piece, integrated into one piece has the circulation chamber in the oil pump shell, has seted up the cooling pump oil pocket between oil pump shell and the outer rotor, the inner rotor is high-pressure zone with outer rotor top meshing department, the opposite side is low-pressure zone, has seted up the oil pipe way in the oil pump shell, oil pipe way's one end and pump oil pocket high-pressure zone intercommunication, oil pipe way's the other end extends to the stator surface. During operation, the inner rotor eccentrically rotates in the outer rotor, oil can be pumped into the circulating cavity of the oil pump housing at the engagement position of the top, one side of the pumped oil is a high-pressure area, and the other side of the pumped oil is a low-pressure area.
Preferably, the bottom of the oil pump housing is provided with an oil outlet communicated with the circulating cavity. The oil enters into the circulation cavity of the oil pump shell through the oil passage, flows out of the oil outlet after cooling the stator, discharges the oil in time, and avoids excessive accumulation of the oil in the motor to generate too large resistance.
Preferably, the rotor is internally provided with a driving shaft in a rotating way, the left end of the driving shaft penetrates through the inner rotor, and the right end of the driving shaft extends to the PCB. The rotor drives the driving shaft to rotate, and the driving shaft drives the inner rotor to eccentrically rotate in the outer rotor, so that power is provided for pumping oil.
Preferably, an oil guiding cavity which can be communicated with the high-pressure area is formed in the driving shaft, a temperature measuring oil hole is formed in the right end face of the driving shaft, and a plurality of cooling oil holes are formed in the side wall of the right end of the driving shaft. And part of oil is pumped into the oil pipeline to cool the stator, and part of oil flows into the oil guide cavity, is pumped to the right side under the action of high pressure, is discharged from the temperature measuring oil hole to measure temperature, and is sprayed out from the cooling oil hole to cool the PCB.
Preferably, the cooling oil hole is an inclined hole, and the cooling oil hole is obliquely arranged towards one side close to the PCB. Because the cooling oilhole is offered on the drive shaft lateral wall, if the cooling oilhole is the straight hole, then oil hardly sprays PCB board one side, hardly reaches the effect of cooling, and the cooling oilhole in inclined hole can realize that oil evenly sprays on the PCB board, carries out effective cooling to the PCB board.
Preferably, a detachable PCB mounting plate is arranged on the oil pump housing at the right end of the driving shaft, the PCB is fixed on the right side of the PCB mounting plate, and an oil temperature sensor corresponding to the temperature measuring oil hole is fixedly arranged in the center of the left side of the PCB mounting plate. The PCB mounting plate is installed at the right-hand member of oil pump shell, and the PCB mounting plate can be freely dismantled, and the PCB mounting plate is installed on PCB mounting plate right side, and PCB mounting plate left side center department installs oil temperature sensor, and oil temperature sensor is temperature sensor, in inner rotor and external rotor cooperation pump oil, fluid can pump into the oil guide intracavity under high pressure effect, and the fluid in the oil guide intracavity is partly discharged from the temperature measurement oilhole, because temperature measurement oilhole corresponds with oil temperature sensor, so fluid can directly spout oil temperature sensor and go on the temperature measurement.
Preferably, an oil inlet hole communicated with the high-pressure area is formed in one side, close to the high-pressure area, of the top of the driving shaft. The oil inlet is formed in the left end of the driving shaft, the oil inlet can be communicated with the high-pressure area, oil can be pumped into the oil guide cavity along the oil inlet under the action of the inner rotor and the outer rotor, and then the temperature measurement on the right side is realized, and the PCB is cooled.
Preferably, a temperature measuring pump oil cavity is arranged between the inner rotor outside the driving shaft at the oil inlet and the oil pump housing, and the temperature measuring pump oil cavity can be communicated with the oil inlet. When the inner rotor and the outer rotor are matched with pump oil, the oil cavity of the temperature measuring pump can be filled with oil, the driving shaft rotates in the oil pump shell along with the rotor, when an oil inlet hole on the driving shaft is positioned in an oil storage groove on one side of a high-pressure area, the oil can be pumped into the oil guiding cavity under the action of high pressure, meanwhile, part of the oil in the oil guiding cavity can be pumped to the right side under the action of high pressure, the part of the oil in the oil guiding cavity is discharged from the temperature measuring oil hole, the oil can be directly sprayed onto the oil temperature sensor for measuring temperature due to the fact that the temperature measuring oil hole corresponds to the oil temperature sensor, the oil on the other side part of the oil can be sprayed from the cooling oil hole, and the oil can be sprayed onto the PCB mounting plate along the cooling inclined hole for cooling.
Preferably, an oil storage groove communicated with the oil cavity of the temperature measuring pump is formed in one side, close to the high-pressure area, of the oil pump housing, and the oil inlet hole is communicated with the oil storage groove. When the oil inlet hole on the driving shaft is positioned in the oil storage groove on one side of the high-pressure area, oil can be pumped into the oil guide cavity under the action of high pressure, meanwhile, part of the oil in the oil guide cavity is pumped to the right side under the action of high pressure, and part of the oil is discharged from the temperature measuring oil hole.
Preferably, a pump head is fixedly arranged at the left end of the oil pump housing, and an oil inlet cavity connected with the inner rotor and the outer rotor is integrally formed at one side of a high-pressure area at the top of the pump head. The pump head has the functions of protecting the structures of the inner rotor and the outer rotor, and the oil inlet cavity formed by integrally forming the outer wall of the pump head is correspondingly connected with the inner rotor and the outer rotor, so that oil can rapidly flow into the fit clearance between the inner rotor and the outer rotor.
Therefore, the high-pressure self-cooling oil pump structure has the following advantages: the oil pump high-pressure area characteristic can be utilized, the oil pipeline is arranged on the shell to realize self-cooling of the stator, the actual temperature of the oil in the oil pump can be accurately measured by introducing part of the oil into the driving shaft, the oil flow can be flexibly adjusted according to the temperature, and the oil can be utilized to cool the PCB.
Drawings
Fig. 1 is a schematic perspective view of a high-pressure self-cooling oil pump structure according to the present invention.
Fig. 2 is a schematic diagram of the front cross-sectional structure of fig. 1.
Fig. 3 is a schematic view of the structure of fig. 1 in front cross-section at the oil sump.
Fig. 4 is a schematic cross-sectional front view of the oil passage of fig. 1.
Fig. 5 is a schematic perspective view of the oil pump housing of fig. 1.
In the figure, an oil pump housing 1, a circulating cavity 2, a pump head 3, a PCB mounting plate 4, an oil temperature sensor 5, a PCB board 6, an outer rotor 7, an inner rotor 8, an oil inlet cavity 9, a stator 10, a rotor 11, a driving shaft 12, a temperature measuring pump oil cavity 13, an oil storage groove 14, an oil guiding cavity 15, an oil inlet hole 16, a temperature measuring oil hole 17, a temperature reducing oil hole 18, a temperature reducing pump oil cavity 19, an oil passage pipeline 20 and an oil outlet hole 21.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples:
as shown in fig. 1 and 2 and 3 and 4 and 5, a high-pressure self-cooling oil pump structure comprises an integrally formed oil pump housing 1, a circulating cavity 2 is integrally formed in the oil pump housing 1, a pump head 3 is arranged at the left end of the oil pump housing 1, a detachable PCB mounting plate 4 is arranged at the right end of the oil pump housing 1, an oil temperature sensor 5 is arranged at the center of the left side of the PCB mounting plate 4, and a detachable PCB board 6 is arranged at the right side of the PCB mounting plate 4.
The left end of the oil pump shell 1 is provided with an outer rotor 7 correspondingly matched with the pump head 3, an inner rotor 8 is eccentrically arranged in the outer rotor 7, the meshing position of the inner rotor 8 and the top of the outer rotor 7 is a high-pressure area, and the other side is a low-pressure area.
An oil inlet cavity 9 which is in opposite connection with the inner rotor 8 and the outer rotor 7 is integrally formed on one side of the high-pressure area at the top of the pump head 3.
A stator 10 is installed in the oil pump housing 1, a rotor 11 is rotatably installed in the stator 10, a driving shaft 12 is fixedly installed in the rotor 11, the left end of the driving shaft 12 penetrates through the inner rotor 8 to extend to the pump head 3, and the right end of the driving shaft 12 extends to the side of the PCB mounting plate 4.
A temperature measuring pump oil cavity 13 is formed at the joint of the inner rotor 8 at the left end of the driving shaft 12 and the oil pump housing 1, and an oil storage groove 14 connected with the temperature measuring pump oil cavity 13 is formed at one side of the oil pump housing 1 close to the high-pressure area.
An oil guide cavity 15 is formed in the middle of the driving shaft 12, an oil inlet hole 16 communicated with the oil storage groove 14 and the oil guide cavity 15 is formed in one side, close to the high-pressure area, of the left end of the driving shaft 12, a temperature measuring oil hole 17 is formed in the right end face of the driving shaft 12, the temperature measuring oil hole 17 corresponds to the oil temperature sensor 5, a plurality of cooling oil holes 18 are formed in the side wall of the right side of the driving shaft 12, the cooling oil holes 18 are inclined holes, and the cooling oil holes 18 are obliquely formed in one side, close to the PCB mounting plate 4.
An annular cooling pump oil cavity 19 is formed at the joint of the oil pump housing 1 and the inner rotor 8 and the outer rotor 7, an oil passage 20 is formed at one side of a high-pressure area in the oil pump housing 1, one end of the oil passage 20 is connected and communicated with a pump oil cavity of the high-pressure area, the other end of the oil passage 20 extends to the surface of the stator 10, and an oil outlet 21 communicated with the circulating cavity 2 is formed at the bottom of the oil pump housing 1.
During operation, the inner rotor 8 eccentrically rotates in the outer rotor 7, oil flows into the inner rotor 8 and the outer rotor 7 through the oil inlet cavity 9 of the pump head 3, in the eccentric matching process of the inner rotor 8 and the outer rotor 7, the oil is extruded and pumped into the circulating cavity 2 of the oil pump housing 1 at the meshing position of the top, one side of the pumped oil is a high-pressure area, the other side is a low-pressure area, and as the oil passage 20 is communicated with the cooling pump oil cavity 19 for storing the oil in the high-pressure area, the oil is pumped into the oil passage 20 from the cooling pump oil cavity 19, drops on the surface of the stator 10 along the oil passage 20 under the action of high pressure, cools the stator 10, and is discharged from the oil outlet 21 below the oil pump housing 1.
When the inner rotor 8 and the outer rotor 7 are matched with pump oil, the temperature measuring pump oil cavity 13 is also filled with oil, the driving shaft 12 rotates in the oil pump housing 1 along with the rotor 11, when an oil inlet hole 16 on the driving shaft 12 is positioned in an oil storage groove 14 on one side of a high-pressure area, the oil can be pumped into the oil guiding cavity 15 under the action of high pressure, meanwhile, the oil can be pumped to the right side under the action of high pressure, part of the oil in the oil guiding cavity 15 is discharged from the temperature measuring oil hole 17, and the oil can be directly sprayed onto the oil temperature sensor 5 for measuring the temperature because the temperature measuring oil hole 17 corresponds to the oil temperature sensor 5.
The oil liquid of opposite side part can be followed cooling oilhole 18 blowout, because cooling oilhole 18 is the inclined hole, so oil liquid can be followed cooling inclined hole and sprayed on to PCB mounting panel 4, can cool down PCB board 6.
When the driving shaft 12 rotates to the side of the low-pressure area at the bottom, the oil pump housing 1 seals the oil inlet hole 16, self-sealing is formed, and oil in the low-pressure area cannot flow into the oil guiding cavity 15.
The invention can realize the cooling of the stator 10 by utilizing the characteristic of the high-pressure area during the working, can accurately measure the temperature of the oil liquid, is convenient for the controller to accurately control the flow of the oil pump, and can also cool the PCB 6.
Claims (10)
1. The utility model provides a high pressure self-cooling formula oil pump structure, includes the oil pump shell, and the oil pump shell is internal to left end is equipped with the external rotor, and the internal eccentric inner rotor that is equipped with of external rotor is equipped with the stator in the oil pump shell, is equipped with the rotor in the stator, and the oil pump right-hand member is equipped with PCB board, its characterized in that: the oil pump shell is integrally formed, a circulating cavity is integrally formed in the oil pump shell, a cooling oil pump cavity is formed between the oil pump shell and the outer rotor, a high-pressure area is formed at the meshing position of the inner rotor and the top of the outer rotor, a low-pressure area is formed at the other side of the inner rotor, an oil passage is formed in the oil pump shell, one end of the oil passage is communicated with the high-pressure area of the oil pump cavity, and the other end of the oil passage extends to the surface of the stator.
2. The high-pressure self-cooling oil pump structure according to claim 1, wherein: the bottom of the oil pump shell is provided with an oil outlet communicated with the circulating cavity.
3. The high-pressure self-cooling oil pump structure according to claim 1, wherein: the rotor is internally provided with a driving shaft in a rotating way, the left end of the driving shaft penetrates through the inner rotor, and the right end of the driving shaft extends to the PCB.
4. A high pressure self-cooling oil pump structure as defined in claim 3, wherein: the driving shaft is internally provided with an oil guiding cavity which can be communicated with the high-pressure area, the right end face of the driving shaft is provided with a temperature measuring oil hole, and the right end wall of the driving shaft is provided with a plurality of cooling oil holes.
5. The high-pressure self-cooling oil pump structure according to claim 4, wherein: the cooling oil hole is an inclined hole and is obliquely arranged on one side close to the PCB.
6. A high pressure self-cooling oil pump structure as defined in claim 3, wherein: the oil pump housing at the right end of the driving shaft is provided with a detachable PCB mounting plate, the PCB is fixed on the right side of the PCB mounting plate, and an oil temperature sensor corresponding to the temperature measuring oil hole is fixedly arranged at the center of the left side of the PCB mounting plate.
7. The high-pressure self-cooling oil pump structure according to claim 6, wherein: and an oil inlet communicated with the high-pressure area is formed in one side, close to the high-pressure area, of the top of the driving shaft.
8. The high-pressure self-cooling oil pump structure according to claim 7, wherein: a temperature measuring pump oil cavity is formed between the inner rotor outside the driving shaft at the oil inlet and the oil pump shell, and the temperature measuring pump oil cavity can be communicated with the oil inlet.
9. The high-pressure self-cooling oil pump structure according to claim 1, wherein: and an oil storage groove communicated with the oil cavity of the temperature measurement pump is formed in one side of the oil pump housing, which is close to the high-pressure area, and the oil inlet is communicated with the oil storage groove.
10. The high-pressure self-cooling oil pump structure according to claim 9, wherein: the left end of the oil pump shell is fixedly provided with a pump head, and one side of a high-pressure area at the top of the pump head is integrally formed with an oil inlet cavity connected with the inner rotor and the outer rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311417757.6A CN117458790A (en) | 2023-10-30 | 2023-10-30 | High-pressure self-cooling type oil pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311417757.6A CN117458790A (en) | 2023-10-30 | 2023-10-30 | High-pressure self-cooling type oil pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117458790A true CN117458790A (en) | 2024-01-26 |
Family
ID=89584949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311417757.6A Pending CN117458790A (en) | 2023-10-30 | 2023-10-30 | High-pressure self-cooling type oil pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117458790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117927439A (en) * | 2024-03-18 | 2024-04-26 | 潍柴动力股份有限公司 | Integrated electric pump and vehicle |
-
2023
- 2023-10-30 CN CN202311417757.6A patent/CN117458790A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117927439A (en) * | 2024-03-18 | 2024-04-26 | 潍柴动力股份有限公司 | Integrated electric pump and vehicle |
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