CN105375690A - Motor system and automobile - Google Patents
Motor system and automobile Download PDFInfo
- Publication number
- CN105375690A CN105375690A CN201510869711.7A CN201510869711A CN105375690A CN 105375690 A CN105375690 A CN 105375690A CN 201510869711 A CN201510869711 A CN 201510869711A CN 105375690 A CN105375690 A CN 105375690A
- Authority
- CN
- China
- Prior art keywords
- housing
- wall
- shell
- stator
- motor
- 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 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000000110 cooling liquid Substances 0.000 claims abstract description 24
- 239000002826 coolant Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention discloses a motor system and an automobile, belonging to the field of a vehicle driving motor device. The motor system comprises a motor, a first housing, a second housing, a first sealing body and a second sealing body. The motor is located in the second housing, a helicoids cooling channel is arranged at the outer wall of the second housing, and the second housing is installed in the first housing; the first housing is provided with a liquid inlet pipe and a liquid outlet pipe; the first sealing body is located between one end of the outer wall of the second housing and the inner wall of the first hosing and is abutted against the inner wall of the first housing, and the second sealing body is located between the other end of the outer wall of the second housing and the inner wall of the first housing and is abutted against the inner wall of the first housing; and cooling liquid enters the cooling channel through the liquid inlet pipe to circulate in a cycle and then flow out through the liquid outlet pipe. According to the invention, cooling liquid enters in a cooling channel between a first housing and a second housing to generate a cooling effect on an operating motor, therefore the normal operation of the motor may be ensured.
Description
Technical Field
The invention relates to the field of vehicle driving motor equipment, in particular to a motor system and a vehicle.
Background
With the continuous development of new energy vehicles, hybrid vehicles are widely used due to the advantages of energy conservation, low emission and the like, the hybrid vehicles adopt a motor system and an engine system as power sources at the same time, when the vehicles run at low speed or constant speed, the motor system can be adopted as the power source of the vehicles, and when the vehicles run at high speed or accelerated speed, the engine system can be adopted as the power source of the vehicles.
The existing motor system comprises a motor and a power synthesis box, wherein the motor is positioned in the power synthesis box, the motor comprises a stator and a rotor, the stator and the rotor are of an annular structure, the rotor is positioned in the stator, and when the rotor is electrified, the rotor rotates in the stator to provide power for an automobile.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
when the rotor rotates in the stator, a large amount of heat can be generated, and when the automobile runs for a long time, the heat is gathered in the power synthesis box, so that the motor is easily damaged.
Disclosure of Invention
In order to solve the problems of the prior art, an embodiment of the present invention provides a motor system, which includes a motor, a first housing, a second housing, a first sealing body, and a second sealing body;
the motor is positioned in the second shell, a spiral cooling channel is arranged on the outer wall of the second shell, and the second shell is installed in the first shell;
a liquid inlet pipe and a liquid outlet pipe are arranged on the first shell, the liquid inlet pipe is connected with a liquid inlet of the cooling channel, and the liquid outlet pipe is connected with a liquid outlet of the cooling channel;
the first sealing body is positioned between one end of the outer wall of the second shell and the inner wall of the first shell and is pressed against the inner wall of the first shell, and the second sealing body is positioned between the other end of the outer wall of the second shell and the inner wall of the first shell and is pressed against the inner wall of the first shell;
and cooling liquid enters the cooling channel through the liquid inlet pipe for circulation for a circle and then flows out through the liquid outlet pipe.
Optionally, the helical cooling channel is integrally formed with the second housing.
Optionally, the spiral cooling channel is a cooling liquid pipe, the cooling liquid pipe is wound on the outer wall of the second housing, a liquid inlet of the cooling liquid pipe is connected with the liquid inlet pipe, and a liquid outlet of the cooling liquid pipe is connected with the liquid outlet pipe.
Optionally, the inner wall of the second housing and the outer wall of the stator of the electric machine are interconnected by at least one flat key, preventing the stator from rotating in the radial direction of the stator.
Optionally, a snap ring is arranged between one end of the stator of the motor and the second housing;
the snap ring blocks one end of the stator, and the stator is prevented from moving back and forth along the axis direction of the stator.
Optionally, an interference fit is formed between the stator of the motor and the second housing.
Optionally, the first housing and the second housing are interconnected by at least one bolt.
Optionally, the at least one bolt is evenly distributed on the first housing and the second housing.
Optionally, an oil cooling through hole is further provided on the end face of the first housing.
In another aspect, an embodiment of the present invention provides an automobile, which includes the motor system.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
through arranging the motor in the second casing, install the second casing in first casing again, be equipped with first seal and second seal between the outer wall both ends of second casing and the inner wall of first casing respectively, arrange spiral cooling channel on the outer wall of second casing, the coolant liquid can flow to spiral cooling channel's inlet through the inlet pipe on the first casing, and then flow to spiral cooling channel's outlet after following spiral cooling channel circulation a week, flow out from the drain pipe of first casing, make the stator of the motor with the inner wall in close contact with of second casing can give the coolant liquid that circulates on being located the second casing outer wall with the heat transfer, make the heat that the motor produced in operation in time distribute away, guarantee the normal work of motor.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a cross-sectional view of an electric motor system according to an embodiment of the present invention;
fig. 2 is an assembly schematic diagram of the first housing and the second housing according to the first embodiment of the present invention;
fig. 3 is an assembly schematic diagram of the first housing and the second housing according to the first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second housing according to an embodiment of the present invention;
fig. 5 is an assembly diagram of the motor and the second housing according to the first embodiment of the invention;
fig. 6 is a schematic structural diagram of the first sealing body and the second sealing body according to the first embodiment of the present invention.
Wherein,
1 motor, 11 stator, 12 mover;
2, a first shell, a 21 liquid inlet pipe, a 22 liquid outlet pipe, a 23 shaft hole, 24 bolt holes of the first shell and 25 oil cooling through holes;
3, a second shell, 31 a cooling channel, 32 a flat key groove, 33 a connecting flange and 34 a bolt hole on the connecting flange;
4 a first sealing body;
5 a second sealing body;
6, a flat bond;
7, a snap ring;
8, bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1, and referring to fig. 2 and 3, an embodiment of the present invention provides an electric motor system including an electric motor 1, a first housing 2, a second housing 3, a first sealing body 4, and a second sealing body 5;
the motor 1 is positioned in a second shell 3, a spiral cooling channel 31 is arranged on the outer wall of the second shell 3, and the second shell 3 is installed in the first shell 2;
a liquid inlet pipe 21 and a liquid outlet pipe 22 are arranged on the first shell 2, the liquid inlet pipe 21 is connected with a liquid inlet of the cooling channel 31, and the liquid outlet pipe 22 is connected with a liquid outlet of the cooling channel 31;
the first sealing body 4 is positioned between one end of the outer wall of the second shell 3 and the inner wall of the first shell 2 and is pressed against the inner wall of the first shell 2, and the second sealing body 5 is positioned between the other end of the outer wall of the second shell 3 and the inner wall of the first shell 2 and is pressed against the inner wall of the first shell 2;
the cooling liquid enters the cooling channel 31 through the liquid inlet pipe 21 for circulation for a circle and then flows out through the liquid outlet pipe 22.
The invention is implemented by arranging the motor 1 in the second shell 3, then arranging the second shell 3 in the first shell 2, respectively arranging the first sealing body 4 and the second sealing body 5 between the two ends of the outer wall of the second shell 3 and the inner wall of the first shell 2, on the outer wall of the second housing 3, a spiral-shaped cooling channel 31 is arranged, through which cooling liquid can flow via a liquid inlet pipe 21 on the first housing 2 to a liquid inlet of the spiral-shaped cooling channel 31, then the cooling liquid circulates along the spiral cooling channel 31 for a circle and flows to the liquid outlet of the spiral cooling channel 31, flows out from the liquid outlet pipe 22 of the first shell 2, so that the stator 11 of the motor 1 in close contact with the inner wall of the second housing 3 can transfer heat to the coolant circulating on the outer wall of the second housing 3, the heat generated when the motor 1 operates can be timely dissipated, and the normal work of the motor 1 is ensured.
As shown in fig. 1, the motor 1 includes a stator 11 and a mover 12, the stator 11 and the mover 12 are in a ring structure, the mover 12 is located in the stator 11, and when the motor 1 is powered on, the mover 12 rotates in the stator 11 to provide power for the vehicle.
The hybrid electric vehicle adopts a motor system and an engine system as power sources, the motor system is connected with the engine system through a gear transmission system, and the gear transmission system can adjust the rotating speed relation between the engine and the motor so as to adjust the power and transmit the power to the wheels of the vehicle.
The gear transmission system can comprise a transmission gear and a gear power synthesis box, the transmission gear is positioned in the gear power synthesis box, a shaft hole is formed in the middle of the gear power synthesis box, one end of a gear shaft of the transmission gear penetrates through the gear power synthesis box and the shaft hole 23 of the first shell 2 to be connected with the motor 1, and the other end of the gear shaft of the transmission gear is connected with an engine of the engine system.
As shown in fig. 4, a spiral cooling channel 31 is disposed on the outer wall of the second housing 3, as shown in fig. 5, the motor 1 is located in the second housing 3, and the stator 11 is in close contact with the inner wall of the second housing 3; as shown in fig. 2 and referring to fig. 1, the second housing 3 is located in the first housing 2, a liquid inlet pipe 21 and a liquid outlet pipe 22 are disposed on an outer wall of the first housing 2, and the cooling liquid may flow to a liquid inlet of the spiral cooling channel 31 through the liquid inlet pipe 21 on the first housing 2, then flow to a liquid outlet of the spiral cooling channel 31 after circulating a circle along the spiral cooling channel 31, flow out from the liquid outlet pipe 22 of the first housing 2, and cool the stator 11 of the motor 1 by the continuous circulation of the cooling liquid on the spiral cooling channel 31.
Alternatively, as shown in fig. 4, the spiral-shaped cooling passage 31 is integrally formed with the second housing 3.
The spiral cooling channel 31 may be formed on the outer wall of the second housing 3 at the same time as the second housing 3 is formed by casting, as shown in fig. 1, and referring to fig. 4, the liquid inlet pipe 21 is connected to the liquid inlet of the spiral cooling channel 31, and the liquid outlet pipe 22 is connected to the liquid outlet of the spiral cooling channel 31.
Alternatively, the spiral cooling channel 31 may be a cooling liquid pipe, the cooling liquid pipe is wound on the outer wall of the second housing 3, a liquid inlet of the cooling liquid pipe is connected to the liquid inlet pipe 21, and a liquid outlet of the cooling liquid pipe is connected to the liquid outlet pipe 22.
Alternatively, the inner wall of the second housing 3 and the outer wall of the stator 11 are interconnected by at least one flat key 6, preventing the stator 11 from rotating in the radial direction of the stator 11.
As shown in fig. 4, at least one flat key groove 32 is formed on the inner wall of the second housing 3, at least one flat key groove is formed on the outer wall of the stator 11 of the motor, and the stator 11 is connected with the second housing 3 through the flat key 6, so that the stator 11 can be positioned.
Alternatively, as shown in fig. 1, a snap ring 7 is provided between one end of the stator 11 and the second housing 3.
The snap ring 7 is clamped at one end of the stator 11, the stator 11 is prevented from moving back and forth along the axis direction of the stator 11, the motor 1 is installed in the second shell 3, the snap ring 7 is clamped at the end part of the stator 11, the limiting effect is achieved on the stator 11, and the stator 11 is prevented from moving back and forth along the axis direction.
Optionally, the stator 11 of the motor 1 is in interference fit with the second housing 3.
The interference fit between the stator 11 of the motor 1 and the second housing 3 can ensure that the outer surface of the stator 11 and the inner wall of the second housing 3 are in full contact, and the heat can be more effectively transferred to the cooling liquid on the outer wall of the second housing 3.
Alternatively, as shown in fig. 2, and referring to fig. 4, the first housing 2 and the second housing 3 are connected to each other by at least one bolt 8.
As shown in fig. 5, a connecting flange 33 is provided on the second housing 3, bolt holes 34 are provided on the connecting flange 33, as shown in fig. 2, bolt holes 24 are also provided on the first housing 2, and bolts 8 sequentially pass through the bolt holes 34 on the connecting flange 33 of the second housing 3 and the bolt holes 24 on the first housing 2 to connect the first housing 2 and the second housing 3, in this embodiment, the first housing 2 and the second housing 3 are connected by 4 bolts 8, the 4 bolts 8 are uniformly distributed around the first housing 2, and the number of the bolts 8 can also be selected according to actual conditions.
Alternatively, the cooling fluid may be water or cooling oil.
Optionally, as shown in fig. 3, an oil cooling through hole 25 is further provided on the end surface of the first casing 2.
Because the motor system is connected with the gear transmission system, and the cooling mode of the gear transmission system is oil cooling, an oil cooling through hole 25 can be formed in the end face of the first shell 2, so that cooling liquid cooled by the gear transmission system enters the second shell 3 through the oil cooling through hole 25 in the first shell 2 after circulating to cool the motor 1, when the motor 1 runs, the rotor 12 rotates fast to drive the cooling oil, and the cooling oil flows along the inner wall of the stator 11 and the outer wall of the rotor 12 to take away part of heat of the motor 1;
meanwhile, as shown in fig. 1, the cooling liquid in the cooling channel 31 on the outer wall of the second housing 3 mainly cools the outer wall of the stator 11, so that the motor 1 is in two cooling systems, and the cooling effect is improved. Can select water as the coolant liquid in the cooling channel 31, the specific heat capacity of water is great, viscosity is lower, flow velocity is very fast, the cooling effect is better, because be equipped with first seal 4 and second seal 5 between the outer wall both ends of second casing 3 and the inner wall of first casing 2 respectively, so can not enter into between first casing 2 and the second casing 3 through the cooling oil that oil cooling through-hole 25 injected, ensure that cooling water and cooling oil can not mix, do not influence the cyclic utilization of cooling water and cooling oil.
Alternatively, as shown in FIG. 1, and with reference to FIG. 6, the first sealing body 4 and the second sealing body 5 are O-ring rubber.
The invention is implemented by arranging the motor 1 in the second shell 3, then arranging the second shell 3 in the first shell 2, respectively arranging the first sealing body 4 and the second sealing body 5 between the two ends of the outer wall of the second shell 3 and the inner wall of the first shell 2, on the outer wall of the second housing 3, a spiral-shaped cooling channel 31 is arranged, through which cooling liquid can flow via a liquid inlet pipe 21 on the first housing 2 to a liquid inlet of the spiral-shaped cooling channel 31, then the cooling liquid circulates along the spiral cooling channel 31 for a circle and flows to the liquid outlet of the spiral cooling channel 31, flows out from the liquid outlet pipe 22 of the first shell 2, so that the stator 11 of the motor 1 in close contact with the inner wall of the second housing 3 can transfer heat to the coolant circulating on the outer wall of the second housing 3, the heat generated when the motor 1 operates can be timely dissipated, and the normal work of the motor 1 is ensured.
Example two
An embodiment of the invention provides an automobile, which comprises the motor system in the first embodiment.
The automobile can be a pure electric automobile or a hybrid electric automobile.
The invention is implemented by arranging the motor 1 in the second shell 3, then arranging the second shell 3 in the first shell 2, respectively arranging the first sealing body 4 and the second sealing body 5 between the two ends of the outer wall of the second shell 3 and the inner wall of the first shell 2, on the outer wall of the second housing 3, a spiral-shaped cooling channel 31 is arranged, through which cooling liquid can flow via a liquid inlet pipe 21 on the first housing 2 to a liquid inlet of the spiral-shaped cooling channel 31, then the cooling liquid circulates along the spiral cooling channel 31 for a circle and flows to the liquid outlet of the spiral cooling channel 31, flows out from the liquid outlet pipe 22 of the first shell 2, so that the stator 11 of the motor 1 in close contact with the inner wall of the second housing 3 can transfer heat to the coolant circulating on the outer wall of the second housing 3, the heat generated when the motor 1 operates can be timely dissipated, and the normal work of the motor 1 is ensured.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A motor system is characterized by comprising a motor, a first shell, a second shell, a first sealing body and a second sealing body;
the motor is positioned in the second shell, a spiral cooling channel is arranged on the outer wall of the second shell, and the second shell is installed in the first shell;
a liquid inlet pipe and a liquid outlet pipe are arranged on the first shell, the liquid inlet pipe is connected with a liquid inlet of the cooling channel, and the liquid outlet pipe is connected with a liquid outlet of the cooling channel;
the first sealing body is positioned between one end of the outer wall of the second shell and the inner wall of the first shell and is pressed against the inner wall of the first shell, and the second sealing body is positioned between the other end of the outer wall of the second shell and the inner wall of the first shell and is pressed against the inner wall of the first shell;
and the cooling liquid enters the cooling channel through the liquid inlet pipe and circulates for a circle and then flows out through the liquid outlet pipe.
2. The electric machine system of claim 1, wherein the helical cooling channel is integrally formed with the second housing.
3. The electric machine system according to claim 1, wherein the spiral cooling channel is a coolant pipe wound around an outer wall of the second housing, an inlet of the coolant pipe being connected to the inlet pipe, and an outlet of the coolant pipe being connected to the outlet pipe.
4. The electric machine system according to claim 1, wherein the inner wall of the second housing and the outer wall of the stator of the electric machine are interconnected by at least one flat key preventing the stator from rotating in a radial direction of the stator.
5. The electric machine system according to claim 1, wherein a snap ring is disposed between one end of the stator of the electric machine and the second housing;
the snap ring blocks one end of the stator, and the stator is prevented from moving back and forth along the axis direction of the stator.
6. The electric machine system according to claim 1, wherein the stator of the electric machine is an interference fit with the second housing.
7. The electric machine system according to claim 1, wherein the first housing and the second housing are interconnected by at least one bolt.
8. The electric machine system according to claim 7, wherein the at least one bolt is evenly distributed on the first and second housings.
9. The electric machine system according to claim 1, wherein an oil cooling through hole is further provided on an end surface of the first housing.
10. A motor vehicle, characterized in that it comprises an electric machine system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869711.7A CN105375690A (en) | 2015-11-30 | 2015-11-30 | Motor system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869711.7A CN105375690A (en) | 2015-11-30 | 2015-11-30 | Motor system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105375690A true CN105375690A (en) | 2016-03-02 |
Family
ID=55377592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510869711.7A Pending CN105375690A (en) | 2015-11-30 | 2015-11-30 | Motor system and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105375690A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270325A (en) * | 2016-12-31 | 2018-07-10 | 郑州吉田专利运营有限公司 | A kind of self-loopa motor to radiate |
| CN109162185A (en) * | 2018-09-20 | 2019-01-08 | 三汽车制造有限公司 | Milling and planing drum roller, milling and planing drum and milling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090127946A1 (en) * | 2007-07-03 | 2009-05-21 | Caterpillar Inc. | Cooling jacket and stator assembly for rotary electric device |
| CN101490932A (en) * | 2006-07-10 | 2009-07-22 | 爱德华兹有限公司 | Motor |
| CN201365173Y (en) * | 2009-02-25 | 2009-12-16 | 艾欧史密斯电气产品（苏州）有限公司 | Motor stator and enclosure fixed structure |
| CN102141022A (en) * | 2010-02-02 | 2011-08-03 | 华中科技大学 | Double canted disk valve distribution axial plunger type water hydraulic pressure shielding pump |
| CN203278420U (en) * | 2013-05-30 | 2013-11-06 | 广东省东莞电机有限公司 | Fixed structure of water cooling servo motor with winding iron core |
-
2015
- 2015-11-30 CN CN201510869711.7A patent/CN105375690A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490932A (en) * | 2006-07-10 | 2009-07-22 | 爱德华兹有限公司 | Motor |
| US20090127946A1 (en) * | 2007-07-03 | 2009-05-21 | Caterpillar Inc. | Cooling jacket and stator assembly for rotary electric device |
| CN201365173Y (en) * | 2009-02-25 | 2009-12-16 | 艾欧史密斯电气产品（苏州）有限公司 | Motor stator and enclosure fixed structure |
| CN102141022A (en) * | 2010-02-02 | 2011-08-03 | 华中科技大学 | Double canted disk valve distribution axial plunger type water hydraulic pressure shielding pump |
| CN203278420U (en) * | 2013-05-30 | 2013-11-06 | 广东省东莞电机有限公司 | Fixed structure of water cooling servo motor with winding iron core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270325A (en) * | 2016-12-31 | 2018-07-10 | 郑州吉田专利运营有限公司 | A kind of self-loopa motor to radiate |
| CN109162185A (en) * | 2018-09-20 | 2019-01-08 | 三汽车制造有限公司 | Milling and planing drum roller, milling and planing drum and milling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3028888B1 (en) | Motor cooling system | |
| CN201994738U (en) | Enclosed self-cooling motor | |
| US9762106B2 (en) | Motor cooling system | |
| CN108206610B (en) | Driving motor cooled by heat exchange with coolant and eco-friendly vehicle using the same | |
| US20220263383A1 (en) | Oil-water-cooled electric drive assembly and new energy automobile | |
| CN202851381U (en) | Direct current brushless magnetic force water pump | |
| JP5338787B2 (en) | Cooling system | |
| CN102782998A (en) | Electrical drive unit | |
| CN110601450A (en) | Oil-water double-cooling electric drive assembly and new energy automobile | |
| CN106481567A (en) | Electronic liquid pump | |
| CN104362800B (en) | Oil-cooling motor cooling loop | |
| CN103748769A (en) | Electric machine cooling | |
| US20150061424A1 (en) | Rotating electric machine | |
| CN107565756B (en) | Oil pump motor, gearbox and car | |
| CN107659017A (en) | A kind of structure for rotor cooling | |
| CN102874123A (en) | Disk type water cooling self-excited eddy current retarder | |
| CN113442861A (en) | Cooling and lubricating device of electric drive assembly and electric drive assembly | |
| CN114776585B (en) | Oil-gas-sand three-phase mixing pump driven by embedded permanent magnet synchronous motor | |
| CN102386718A (en) | Motor cooling system | |
| KR20200141007A (en) | Cooling element for an electric machine | |
| CN210183118U (en) | Cooling device for belt driving motor assembly and belt driving motor assembly | |
| CN105375690A (en) | Motor system and automobile | |
| CN211151749U (en) | Oil-water double-cooling electric drive assembly and new energy automobile | |
| CN113675980B (en) | Electric automobile and driving motor and power assembly thereof | |
| CN204077346U (en) | Hybrid power transmission mechanism and there is the automobile of this mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |