CN109104029A - Electric motor of automobile cooling system and electric motor of automobile - Google Patents
Electric motor of automobile cooling system and electric motor of automobile Download PDFInfo
- Publication number
- CN109104029A CN109104029A CN201811009852.1A CN201811009852A CN109104029A CN 109104029 A CN109104029 A CN 109104029A CN 201811009852 A CN201811009852 A CN 201811009852A CN 109104029 A CN109104029 A CN 109104029A
- Authority
- CN
- China
- Prior art keywords
- oil
- electric machine
- machine casing
- oil circuit
- casing
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
-
- 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
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
Abstract
The invention discloses electric motor of automobile cooling system and electric motor of automobile, belong to technical field of the electromechanical equipment.The system includes electric machine casing, end cap and oil pump；End cap lid closes on electric machine casing；Shaft is equipped in electric machine casing, shaft is equipped with rotor, and rotor is equipped with stator, and stator outer wall is equipped with stator casing, and the outer wall of stator casing and the inner wall of electric machine casing offset；Electric machine casing inner wall opens up multiple oil grooves, and multiple oil grooves and stator casing form closed multiple first oil circuits；Electric machine casing is equipped with the second oil circuit, one end of second oil circuit is connected to oil pump, first oil communication in the other end and multiple first oil circuits, first oil circuit one end being connected to oil pump is equipped with the oil inlet that gap is connected between electric machine casing and end cap, other end closing, remaining multiple first oil circuits one end is equipped with oil inlet, and the other end is equipped with the oil outlet being connected to another side clearance of electric machine casing；The bottom end of end cap is equipped with the 4th oil circuit；The bottom end of electric machine casing is equipped with third oil circuit.
Description
Technical field
The invention belongs to technical field of the electromechanical equipment, in particular to electric motor of automobile cooling system and electric motor of automobile.
Background technique
Power source of the electric motor of automobile as electric car and hybrid vehicle mentions for electric car and hybrid vehicle
For power.Electric motor of automobile operating current required when working is big, revolving speed is high, and therefore, electric motor of automobile itself can generate a large amount of heat
Amount can bring very first mate's work to the steady running of electric motor of automobile, even automobile itself if heat cannot be discharged in time
With.Therefore, it is necessary to provide a kind of electric motor of automobile cooling system.
The electric motor of automobile cooling system that the relevant technologies provide includes: electric machine casing, end cap, shaft, stator, rotor, cooling
Set and oil pump.Rotor is located in the intracorporal shaft of motor casing, and stator sleeve is arranged with coolant jacket, end cap lid on rotor on stator
It closes on electric machine casing, oil pump is connected to by petroleum pipeline with electric machine casing, is rotated by rotor, and cooling oil is driven to enter on stator
Coolant jacket, give electric motor temperature reduction.
Inventor has found that the relevant technologies at least have following technical problem:
Coolant jacket is arranged on stator, cooling oil is not easy to realize the efficient cooling and lubrication of motor by coolant jacket, be caused
Motor operation low efficiency, and be arranged coolant jacket on stator and need to increase the volume of motor, and then it is whole so that motor is occupied automobile
Space increase.
Summary of the invention
The embodiment of the invention provides a kind of electric motor of automobile cooling system and electric motor of automobile, can solve above-mentioned technical problem.
Specific technical solution is as follows:
On the one hand, a kind of electric motor of automobile cooling system is provided, the system comprises:
Electric machine casing, end cap and oil pump；
The end cap lid closes on the electric machine casing；
It is equipped with shaft in the electric machine casing, is arranged with rotor in the shaft, stator is arranged on the rotor, it is described
Stator outer wall is equipped with stator casing, and the outer wall of the stator casing and the inner wall of the electric machine casing offset；
The inner wall of the electric machine casing offers multiple oil grooves, and multiple oil grooves form closed with the stator casing
Multiple first oil circuits；
The second oil circuit is offered on the electric machine casing, one end of second oil circuit is connected to the oil pump, the other end
With first oil communication in the multiple first oil circuit, first oil circuit one end being connected to the oil pump be equipped with
The oil inlet of gap connection between the electric machine casing and the end cap, other end closing, remaining the multiple first oil circuit
One end is equipped with the oil inlet, and the other end is equipped with the oil outlet being connected to another side clearance of the electric machine casing；
The 4th oil that the gap that the bottom end of the end cap is equipped between the electric machine casing and the end cap is connected to
Road；
The bottom end of the electric machine casing is equipped with the third oil circuit being connected to another side clearance described in the electric machine casing.
In a kind of mode that may be implemented, the electric motor of automobile cooling system further include: be located at the 4th oil circuit with
The oil sump of third oil circuit lower end.
In a kind of mode that may be implemented, the sum of aperture of the 4th oil circuit and the third oil circuit is less than described the
The aperture of two oil circuits.
In a kind of mode that may be implemented, check valve is equipped between the oil pump and second oil circuit.
In a kind of mode that may be implemented, the intracorporal multiple oil grooves of motor casing are parallel with the shaft.
On the other hand, the embodiment of the invention provides a kind of electric motor of automobile, the motor includes described in any of the above embodiments
Electric motor of automobile cooling system.
In a kind of mode that may be implemented, one end of shaft is equipped with first bearing, and the first bearing is located at motor casing
Between body and the shaft；The other end of the shaft be equipped with second bearing, the second bearing be located at the shaft with it is described
Between end cap.
In a kind of mode that may be implemented, one end that the electric machine casing is located at the first bearing is arranged with bearing
Seat is equipped with bearing cap positioned at one end of the second bearing.
In a kind of mode that may be implemented, first seal is equipped between the bearing block and the shaft；The electricity
Second seal is equipped between casing body and end cap；Third sealing element is equipped between the electric machine casing and stator casing.
Technical solution provided in an embodiment of the present invention has the benefit that
By opening up multiple oil grooves in electric machine casing, avoids and is arranged coolant jacket on stator, increase motor volume,
And then the problem of occupying automobile overall space, meanwhile, cooling oil is directly connect by the first oil circuit with the component being cooled in motor
Touching, accelerates cooling rate, effectively reduces the bring temperature that rubs between each component when motor internal operation, realizes to electricity
The efficient cooling of machine；The cooling oil in motor is slowly released with the 4th oil circuit by opening up third oil circuit, to cold in motor
But oil is constantly updated, and is accelerated the rate of cooling oil circulation, is further improved the cooling efficiency of motor, and to the shaft of movement
It is lubricated, ensure that the normal operation of motor, improve the operational efficiency of motor and the service life of motor inner part.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is electric motor of automobile cooling system schematic diagram provided in an embodiment of the present invention；
Fig. 2 is electric motor of automobile cooling system schematic diagram provided in an embodiment of the present invention；
Fig. 3 is electric motor of automobile cooling system cross-sectional view provided in an embodiment of the present invention.
Appended drawing reference respectively indicates:
1- electric machine casing, 101- oil groove, the first oil circuit of 102-, the second oil circuit of 103-, 104- third oil circuit,
2- end cap, the 4th oil circuit of 201-,
3- shaft, 4- stator, 5- rotor, 6- stator casing, 7- oil pump,
8- first bearing, 9- second bearing, 10- bearing block, 11- bearing cap, 12- first seal,
13- second seal, 14- third sealing element, 15- check valve, 16- oil sump.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art
The identical meaning understood.To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to this hair
Bright embodiment is described in further detail.
On the one hand, the embodiment of the invention provides a kind of electric motor of automobile cooling systems, such as 3 institute of attached drawing 1, attached drawing 2 and attached drawing
Show, which includes: electric machine casing 1, end cap 2 and oil pump 7；
The lid of end cap 2 closes on electric machine casing 1.
Shaft 3 is located in electric machine casing 1, and rotor 5 is located in shaft 3, and stator 4 is sheathed on rotor 5,4 outer wall set of stator
Equipped with stator casing 6, the inner wall of the outer wall and electric machine casing 1 of stator casing 6 offsets.
It is equipped with shaft 3 in electric machine casing 1, is arranged with rotor 5 in shaft 3, stator 4,4 outer wall of stator is arranged on rotor 5
It is equipped with stator casing 6, the inner wall of the outer wall and electric machine casing 1 of stator casing 6 offsets.
The inner wall of electric machine casing 1 offers multiple oil grooves 101, and multiple oil grooves 101 form closed multiple with stator casing 6
First oil circuit 102.
The second oil circuit 103 is offered on electric machine casing 1, one end of the second oil circuit 103 is connected to oil pump 7, the other end and more
First oil circuit 102 connection in a first oil circuit 102,102 one end of the first oil circuit being connected to oil pump 7 is equipped with and motor casing
Between body 1 and end cap 2 gap connection oil inlet, the other end closing, remaining multiple first oil circuit, 102 one end be equipped with into
Hydraulic fluid port, the other end are equipped with the oil outlet being connected to another side clearance of electric machine casing 1.
The bottom end of end cap 2 is equipped with the 4th oil circuit 201 that the gap between electric machine casing 1 and end cap 2 is connected to.
The bottom end of electric machine casing 1 is equipped with the third oil circuit 104 being connected to another side clearance of electric machine casing 1.
Electric motor of automobile cooling system provided in an embodiment of the present invention, as shown in attached drawing 1, attached drawing 2 and attached drawing 3, oil pump 7 will be cold
But oil is sent into first oil circuit 102 that oil groove 101 and stator casing 6 are formed by the second oil circuit 103, passes through the first oil circuit
102 oil outlet enters the gap location between end cap 2 and electric machine casing 1, to the end cap 2, stator 4 and rotor 5 of motor side into
Row cooling, cooling oil flow into remaining multiple first oil circuit 102 after reaching certain value in end cap 2 and 1 gap of electric machine casing,
The gap that 1 other side of electric machine casing is entered by the oil outlet of multiple first oil circuits 102, to the electric machine casing 1 of the other side, fixed
Son 4 and rotor 5 are cooled down, and when cooling to motor, the cooling oil of gap location passes through the 4th between end cap 2 and electric machine casing 1
Oil circuit 201 slowly releases, and the cooling oil of 1 other side of electric machine casing is slowly released by third oil circuit 104, realizes cooling oil more
New and outlet.
The technical solution provided in the embodiment of the present invention at least has following technical effect:
Electric motor of automobile cooling system provided in an embodiment of the present invention is kept away by opening up multiple oil grooves 101 in electric machine casing 1
The problem of having exempted to be arranged coolant jacket on stator 4, increased motor volume, and then having occupied automobile overall space.Meanwhile cooling oil
It is directly contacted by the first oil circuit 102 with the component being cooled in motor, accelerates cooling rate, effectively reduce inside motor
Rub between each component bring temperature when operation, realizes the efficient cooling to motor；By opening up third oil circuit 104 and
Four oil circuits 201 slowly release the cooling oil in motor, constantly update to the cooling oil in motor, accelerate cooling oil circulation
Rate further improves the cooling efficiency of motor, and is lubricated the shaft of movement 3, ensure that the normal fortune of motor
Turn, improves the operational efficiency of motor and the service life of motor inner part.
Exemplary, the 4th oil circuit 201 can be with third oil circuit 104 to be opened up on end cap 2 and on electric machine casing 1 respectively
Cylindrical hole is also possible to the through-hole of square, rectangle, triangle or irregular shape, if can reach by end cap 2 with
Between electric machine casing 1 and purpose that the cooling oil of 1 other side of electric machine casing is released.
Optionally, electric motor of automobile cooling system further include: positioned at the oily bottom of the 4th oil circuit 201 and 104 lower end of third oil circuit
Shell 16.
Third oil circuit 104 releases the cooling oil of 1 other side of electric machine casing, with the motor casing released from the 4th oil circuit 201
Cooling oil between body 1 and end cap 2 flows into oil sump 16 together, injects cooling oil, cooling oil to electric machine casing 1 by oil pump 7
It is released after progress circulating cooling from third oil circuit 104 and the 4th oil circuit 201 in electric machine casing 1 and flows into oil sump 16, realized
The update and outlet of cooling oil, improve the cooling efficiency of motor.
Oil sump 16 is located at the lower end of the 4th oil circuit 201 and third oil circuit 104, cold by what is released out of electric machine casing 1
But oil is collected, and therefore, the size of oil sump 16 is adapted with the size of motor.
Optionally, the aperture of the sum of the 4th oil circuit 201 and the aperture of third oil circuit 104 less than the second oil circuit 103.
Cooling oil is entered in the first oil circuit 102 from oil pump 7 by the second oil circuit 103, as shown in Figure 1 and Figure 2, the
Four oil circuits 201 are located at the lower end of end cap 2, and third oil circuit 104 is located at the lower end of electric machine casing 1, and the second oil circuit 103 is located at motor casing
On body 1.Second oil circuit 103 is oil inlet oil circuit, and cooling oil is sent into electric machine casing 1 by the second oil circuit 103.Third oil circuit
104 and the 4th oil circuit 201 be fuel-displaced oil circuit, the cooling oil between end cap 2 and electric machine casing 1 is released by the 4th oil circuit 201.
It is understood that cooling oil needs to enter motor casing when the cooling oil between end cap 2 and electric machine casing 1 reaches a certain amount of
The other side of body 1 cools down motor, and therefore, the rate of 201 draining of third oil circuit 104 and the 4th oil circuit should be less than second
The rate of 103 oil inlet of oil circuit controls the rate of its draining by the size of control third oil circuit 104 and the 4th oil circuit 201,
That is, aperture of the sum of the aperture of third oil circuit 104 and the 4th oil circuit 201 less than the second oil circuit 103.
Optionally, as shown in Fig. 1, check valve 15 is equipped between oil pump 7 and the second oil circuit 103.
Cooling oil of the check valve 15 in control oil pump 7 can only be unable to reverse flow out of oil pump 7 flow direction motor.
Optionally, as shown in Fig. 3, multiple oil grooves 101 in electric machine casing 1 are parallel with shaft 3.
The quantity of oil groove 101 can be 6-9, exemplary, can be 6,7,8,9 etc..Oil groove 101 can be
The semi-cylindrical recesses of rule, are also possible to have slope surface groove of certain slope etc. at quadrangle groove, when oil groove 101 and turn
When axis 3 is parallel, cooling oil circulation, which carries out the relatively not parallel effect of cooling effect, to get well.
On the other hand, the embodiment of the invention also provides a kind of electric motor of automobile, cooling for any of the above-described electric motor of automobile
System.
Optionally, as shown in Figure 1 and Figure 2, one end of shaft 3 is equipped with first bearing 8, and first bearing 8 is located at motor
Between shell 1 and shaft 3；The other end of shaft 3 is equipped with second bearing 9, and second bearing 9 is between shaft 3 and end cap 2.
First bearing 8 and second bearing 9 are set in shaft 3, and mobile for fixed rotating shaft 3, carrying comes from electric machine casing 1
Load.
It is understood that as shown in Figure 1 and Figure 2, the first bearing 8 between electric machine casing 1 and shaft 3 is
Along two first bearings 8 of 3 axial symmetry of shaft setting；Second bearing 9 between shaft 3 and end cap 2 is along 3 axis pair of shaft
Claim two second bearings 9 of setting.
Cooling oil in the first oil circuit 102 in shaft 3 first bearing 8 and second bearing 9 be lubricated, reduce
Friction between shaft 3 and first bearing 8, second bearing 9, improves the working efficiency of motor.
Optionally, as shown in Figure 1 and Figure 2, one end that electric machine casing 1 is located at first bearing 8 is arranged with bearing block 10,
Bearing cap 11 is equipped with positioned at one end of second bearing 9.
Bearing block 10 is detachably connected with electric machine casing 1, and first bearing 8 is located on bearing block 10, and bearing block 10 is to first
Support is fixed in bearing 8.As shown in Figure 1 and Figure 2, bearing block 10 is two bearing blocks being arranged along 3 axial symmetry of shaft
10.Bearing block 10 is detachably connected while support is fixed to first bearing 8 with electric machine casing 1, bearing cap 11 and end
Lid 2 is detachably connected, and a confined space is collectively formed in end cap 2, bearing cap 11, electric machine casing 1 and bearing block 10, ensure that electricity
The airtightness of machine ontology.
Optionally, as shown in Figure 1 and Figure 2, first seal 12 is equipped between bearing block 10 and shaft 3.
Bearing block 10 forms a closed space after connecting with electric machine casing 1, is equipped between bearing block 14 and shaft 3
First seal 12, the leakproofness being further ensured that between bearing block 10 and electric machine casing 1, makes cooling oil not leak.It is exemplary,
First seal 12 can be sealing ring, be also possible to gasket.
Optionally, as shown in Figure 1 and Figure 2, second seal 13 is equipped between electric machine casing 1 and end cap 2.
In order to guarantee the leakproofness between electric machine casing 1 and end cap 2, it is close that second is arranged between electric machine casing 1 and end cap 2
Sealing 13.Second seal 13 can be sealing ring, or gasket.
Optionally, as shown in Figure 1 and Figure 2, third sealing element 14 is equipped between electric machine casing 1 and stator casing 6.
Stator casing 6 is set on stator 4 and offsets to form sealing in electric machine casing 1, in order to guarantee stator casing 6 and electricity
Leakproofness between casing body 1 guarantees that oil leak, gas leak phenomenon do not occur at runtime for electric machine casing 1, in stator casing 6 with electricity
Third sealing element 14 is set between casing body 1.Exemplary, third sealing element 14 can be sealing ring, be also possible to gasket.
The foregoing is merely illustrative embodiments of the invention, the protection scope being not intended to limit the invention is all at this
Within the spirit and principle of invention, any modification, equivalent replacement, improvement and so on should be included in protection model of the invention
Within enclosing.
Claims (9)
1. electric motor of automobile cooling system, which is characterized in that the electric motor of automobile cooling system includes: electric machine casing (1), end cap
(2) with oil pump (7)；
End cap (2) lid closes on the electric machine casing (1)；
Shaft (3) are equipped in the electric machine casing (1), is arranged with rotor (5) on the shaft (3), is arranged on the rotor (5)
Have stator (4), stator (4) outer wall is equipped with stator casing (6), the outer wall and the motor casing of the stator casing (6)
The inner wall of body (1) offsets；
The inner wall of the electric machine casing (1) offers multiple oil grooves (101), multiple oil grooves (101) and the stator casing
(6) closed multiple first oil circuits (102) are formed；
It is offered the second oil circuit (103) on the electric machine casing (1), one end and the oil pump (7) of second oil circuit (103)
Connection, the other end are connected to first oil circuit (102) in the multiple first oil circuit (102), are connected to the oil pump (7)
Described first oil circuit (102) one end be equipped with the oil inlet that gap between the electric machine casing (1) and the end cap (2) is connected to
Mouthful, other end closing, remaining the multiple first oil circuit (102) one end is equipped with the oil inlet, and the other end is equipped with and institute
State the oil outlet of another side clearance connection of electric machine casing (1)；
The bottom end of the end cap (2) be equipped with that the gap between the electric machine casing (1) and the end cap (2) is connected to the
Four oil circuits (201)；
The bottom end of the electric machine casing (1) is equipped with the third oil circuit being connected to the electric machine casing (1) another side clearance
(104)。
2. electric motor of automobile cooling system according to claim 1, which is characterized in that the electric motor of automobile cooling system also wraps
It includes: being located at the oil sump (16) of the 4th oil circuit (201) and third oil circuit (104) lower end.
3. electric motor of automobile cooling system according to claim 1 or 2, which is characterized in that the 4th oil circuit (201) and institute
State the aperture that the sum of aperture of third oil circuit (104) is less than second oil circuit (103).
4. electric motor of automobile cooling system according to claim 1, which is characterized in that the oil pump (7) and second oil
Check valve (15) are equipped between road (103).
5. electric motor of automobile cooling system according to claim 1, which is characterized in that multiple in the electric machine casing (1)
The oil groove (101) is parallel with the shaft (3).
6. a kind of electric motor of automobile, which is characterized in that including the described in any item electric motor of automobile cooling systems of claim 1-5.
7. electric motor of automobile according to claim 6, which is characterized in that one end of shaft (3) is equipped with first bearing (8), institute
First bearing (8) is stated to be located between electric machine casing (1) and the shaft (3)；The other end of the shaft (3) is equipped with second bearing
(9), the second bearing (9) is between the shaft (3) and the end cap (2).
8. electric motor of automobile according to claim 7, which is characterized in that the electric machine casing (1) is located at the first bearing
(8) one end is arranged with bearing block (10), and the one end for being located at the second bearing (9) is equipped with bearing cap (11).
9. electric motor of automobile according to claim 8, which is characterized in that between the bearing block (10) and the shaft (3)
Equipped with first seal (12)；Second seal (13) are equipped between the electric machine casing (1) and end cap (2)；The motor casing
Third sealing element (14) are equipped between body (1) and stator casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009852.1A CN109104029B (en) | 2018-08-30 | 2018-08-30 | Automobile motor cooling system and automobile motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009852.1A CN109104029B (en) | 2018-08-30 | 2018-08-30 | Automobile motor cooling system and automobile motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109104029A true CN109104029A (en) | 2018-12-28 |
| CN109104029B CN109104029B (en) | 2021-02-02 |
Family
ID=64864494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811009852.1A Active CN109104029B (en) | 2018-08-30 | 2018-08-30 | Automobile motor cooling system and automobile motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109104029B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3132808A1 (en) * | 2022-02-16 | 2023-08-18 | Valeo Equipements Electriques Moteur | Carter rotating electric machine and rotating electric machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819219A (en) * | 1994-06-29 | 1996-01-19 | Fuji Electric Co Ltd | Refrigerant cooled rotating electric machine |
| CN1836361A (en) * | 2003-07-31 | 2006-09-20 | 西门子公司 | Electric machine with coolant guiding channel and corresponding cooling method |
| CN201355790Y (en) * | 2008-12-30 | 2009-12-02 | 上海大郡自动化系统工程有限公司 | Oil-cooled motor |
| CN103151879A (en) * | 2013-04-03 | 2013-06-12 | 天津市松正电动汽车技术股份有限公司 | Liquid-cooled motor |
| CN106208439A (en) * | 2014-10-29 | 2016-12-07 | 三菱电机株式会社 | The stator core cooling structure of electric rotating machine and manufacture method thereof |
-
2018
- 2018-08-30 CN CN201811009852.1A patent/CN109104029B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819219A (en) * | 1994-06-29 | 1996-01-19 | Fuji Electric Co Ltd | Refrigerant cooled rotating electric machine |
| CN1836361A (en) * | 2003-07-31 | 2006-09-20 | 西门子公司 | Electric machine with coolant guiding channel and corresponding cooling method |
| CN201355790Y (en) * | 2008-12-30 | 2009-12-02 | 上海大郡自动化系统工程有限公司 | Oil-cooled motor |
| CN103151879A (en) * | 2013-04-03 | 2013-06-12 | 天津市松正电动汽车技术股份有限公司 | Liquid-cooled motor |
| CN106208439A (en) * | 2014-10-29 | 2016-12-07 | 三菱电机株式会社 | The stator core cooling structure of electric rotating machine and manufacture method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109104029B (en) | 2021-02-02 |
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