CN105262280B - A kind of interior recycle oil cooling motor - Google Patents
A kind of interior recycle oil cooling motor Download PDFInfo
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- CN105262280B CN105262280B CN201510489309.6A CN201510489309A CN105262280B CN 105262280 B CN105262280 B CN 105262280B CN 201510489309 A CN201510489309 A CN 201510489309A CN 105262280 B CN105262280 B CN 105262280B
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- 238000001816 cooling Methods 0.000 title claims abstract description 191
- 238000004804 winding Methods 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 235000019628 coolness Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
A kind of interior recycle oil cooling motor, including enclosed motor main body, cooling oil conveying pump assembly, heat exchanger, cooling fan, cooling oil adjusting means.It is characterized in that：Described closed circulation oil cooling but motor, it is that a point two road binders closed loop cooling circuits synchronize cooling to motor stator periphery and winding overhang and rotor and stator inner circumferential respectively, the efficient cooling to motor is realized, reaches small, in light weight, the energy-efficient purpose of motor volume.
Description
Technical field
The present invention relates to a kind of interior recycle oil cooling motor.
Background technology
Cooling for micro-machine at present uses single type of cooling, i.e., outer cooling means and internal cooling method, outer cold
But it is exactly that the shell of motor is cooled down using wind radiating or medium, is then realized by heat conduction and heat radiation method to motor stator
With the cooling of coil.Interior cooling, which is typically employed in, sets in electric machine casing the mode of ventilating duct to realize to the cold of stator and coil
But.But above-described cooling means can not meet the requirement efficiently cooled down, in particular how effectively to rotor
Cooling, even more a technical barrier, asynchronous machine rotor low-voltage, high current temperature rise, spoke of the synchronous motor stator to rotor
Penetrate heat and a problem.Requirement of the development of particularly current pure electric automobile for motor is more strict, efficient, volume
Small, in light weight is current domain engineering technical staff technical barrier to be solved, thus how to improve the radiating effect of motor
Fruit, efficient, small volume, purpose in light weight are realized so as to reach, is key technology difficulty.
The content of the invention
In view of prior art is insufficient, it is an object of the invention to provide a kind of interior recycle oil cooling motor.
To achieve these goals, the technical scheme is that：A kind of interior recycle oil cooling motor, including enclosed type electric
Owner's body, cooling oil liquid level regulation apparatus, cooling oil conveying pump assembly, heat exchanger, cooling fan, cooling oil conveyance conduit and
Cooling oil delivery control valve door, the housing of described enclosed motor main body are provided with three sections of circumference chambers, and both ends chamber is
Fan-shaped interlayer chamber, backside segments are the second fan-shaped interlayer chamber, and toe lateral section is the first fan-shaped interlayer chamber, and stage casing chamber is hollow
Chamber, hollow chamber are directly to motor stator outer surface cooling section, are provided with hollow chamber outside several and motor stator
The floor that footpath is mutually fixed, the first cooling oil guiding gutter, the second cooling oil guiding gutter, the 3rd cooling oil water conservancy diversion are provided with floor
Groove, the 4th cooling oil guiding gutter, the 5th cooling oil guiding gutter, the 6th cooling oil guiding gutter, the 7th cooling oil guiding gutter and the 8th
Cooling oil guiding gutter, cooling oil oil inlet and cooling oil oil-out, rib are provided with the casing wall corresponding to hollow chamber
The both ends of plate are respectively arranged with the first circumferential bulkhead and the second circumferential bulkhead, by hollow chamber and the first fan-shaped folder at both ends
Layer chamber, the second fan-shaped interlayer chamber are divided into three sections, divide in the first fan-shaped interlayer chamber, the second fan-shaped interlayer cavity room on perisporium
Several the first spray holes and the second spray hole directly cooled down to motor stator winding both ends are not provided with, in the first fan
First spray hole of clevis layer chamber, the second fan-shaped interlayer chamber the second spray hole corresponding to be respectively arranged below sprinkling
The first oil-out and the second oil-out of cooling oil.
Further, the stator winding end periphery of described enclosed motor is enclosed with nonmetallic reticulate body.
Further, the rear end cap outer of described enclosed motor is fixed with motor cavity room cooling oil liquid level and adjusted
Regulating device.
Advantages of the present invention：This technology using the high pressure resistant cooling oil of low viscosity to enclosed motor internal stator periphery and around
Group end is directly cooled down, and is changed traditional mode for cooling down motor indirectly by heat transfer, good cooling results, is realized high
Effect radiating.The cooling oil liquid level arrangement for adjusting height of the remaining liquid level of motor interior room cooling oil is provided with outside motor simultaneously, can
Remaining liquid level of the cooling oil in motor internal is adjusted, can control between rotor diameter immersed in liquid level 1~5mm.So, rotor
Cooling of the realization to stator inner surface under cooling oil surface tension and the collective effect of the centrifugal force of rotor during rotation, while again
Effective cooling to motor stator can be achieved.The invention is directly realized direct cooling, the spray of winding overhang to stator periphery
Immersion cooling, the splashing of stator inner circumferential cooling, and the leaching of part stator are converted when spilling cooling, the rotation of rotor portions exterior surface
Enter cooling.The a variety of type of cooling produces jointly and the mutual heat exchange of cooling oil have effectively achieved to electric machine rotor and around
The cooling of group, has reached the purpose of high efficiency and heat radiation.The direct high efficiency and heat radiation to electric machine rotor and winding is not only realized, especially
It is to solve the difficult technical barrier of rotor radiating present on current motor cooling, is that a kind of technology of current motor radiating is entered
Step.As a result of motor cavity room cooling oil liquid level arrangement for adjusting height, thus it is controllable by surface tension to being rotating
Resistance loss caused by rotor, through testing for air-cooled motor, be under equal conditions lost and can also reduce 30% ~
70%, due to the reduction of resistance, the realization of high efficiency and heat radiation, thus power to weight ratio is largely increased in design of electrical motor, and volume also has
Effect ground reduces, and the development for current pure electric automobile industry is a kind of technological progress.
Brief description of the drawings
Fig. 1 is that recycle oil cools down motor aufbauprinciple schematic diagram in the embodiment of the present invention.
Fig. 2 is shell structure expanded view of the embodiment of the present invention.
Embodiment
With reference to embodiment Fig. 1 and Fig. 2, the present invention is further elaborated.
With reference to figure 1, a kind of interior recycle oil cooling motor, including enclosed motor main body 1, cooling oil liquor-level regulator 38,
Cooling oil conveying pump assembly 17, heat exchanger 19, cooling fan 18, cooling oil delivery pipe 20, the first valve 21, the second valve 22
With the 3rd valve 23, described cooling oil liquor-level regulator 38 is fixed on the housing 2 of enclosed motor main body 1, adjusted by liquid level
Save 15 groups of device housing 36, external screw thread oil inlet 13, internal thread overflow liquid level adjusting nut 14, the 3rd oil-out 37 and blow vent
Into.Its external screw thread oil inlet 13 is connected with the first oil-out 11 on enclosed motor housing 2, the second oil-out 12.It is described
The oil inlet of cooling oil conveying pump assembly 17 respectively and be arranged on the cooling oil oil-out 10 of the housing 2 of enclosed motor main body 1
And the oil-out 37 of liquor-level regulator the 3rd is connected.Oil inlet 39 and cooling oil the conveying pump assembly of described heat exchanger 19
17 oil-out 38 is connected, the oil-out 40 of heat exchanger through cooling oil delivery pipe 20 respectively with the shell of enclosed motor main body 1
Oil inlet the first valve 21, the second valve 22, the 3rd valve 23 of body 2 are connected, and distribution fuel feeding is adjusted through valve 21,22,23
Amount, is then respectively enterd on the housing 2 of enclosed motor main body 1 by the first oil inlet 8, cooling oil oil inlet 7, the second oil inlet 9
The first fan-shaped interlayer chamber 35, hollow chamber 34, the second fan-shaped interlayer chamber 36.Described cooling fan 18 and heat exchanger
19 combinations carry out air-cooled work to heat exchanger, and the first fan-shaped interlayer is provided with the housing 2 of described enclosed motor main body 1
Chamber 35, hollow chamber 34, the second fan-shaped interlayer chamber 36, by the first circumferential bulkhead 41, the second circumferential bulkhead 42, the 3rd circumference
Cooling chamber is separated into three sections by dividing plate 43, the 4th circumferential bulkhead 44, and interlude chamber 34 is the internal diameter and stator 3 by casing 2
External diameter and the first circumferential bulkhead 41, the second circumferential bulkhead 42 combine a cavity space, chamber length and the length phase of stator 3
Deng the fixed floors 45 supported several circumferential uniform along the external diameter of stator 3 and parallel to axial direction being provided with chamber, in chamber 34
Oil guide groove is provided with the floor 45 of inner chamber fixation support with reference to expanded view 2 to illustrate, guiding gutter includes the first cooling oil guiding gutter
24th, the second cooling oil guiding gutter 25, the 3rd cooling oil guiding gutter 26, the 4th cooling oil guiding gutter 27, the 5th cooling oil guiding gutter
28th, the 6th cooling oil guiding gutter 29, the 7th cooling oil guiding gutter 30, the 8th cooling oil guiding gutter 31.Enclosed motor casing 2
The cooling oil of cooling oil oil inlet 7 is divided into two tunnels after entering chamber 34, a route cavity space through the 5th cooling oil oil guide groove 28,
6th cooling oil guiding gutter 29, the 7th cooling oil guiding gutter 30, the 8th cooling oil guiding gutter 31 to cooling oil oil-out 10 go out, separately
One route cavity space is through the 4th cooling oil oil guide groove 27, the 3rd cooling oil guiding gutter 26, the second cooling oil guiding gutter 25, first
Cooling oil guiding gutter 24 to cooling oil oil-out 10 goes out, and the space of such hollow chamber 34 and oil guide groove are combined into the oil of a bending
Swapace is cooled down, directly the external diameter of 1 stator of enclosed motor main body 3 is realized and cooled down, good cooling results, and cooling will not be produced
Oil inlet and outlet short circuit phenomenon, realizes efficient cooling.Second fan-shaped interlayer chamber 36, the first fan-shaped interlayer chamber 35 are symmetrically to set
Put, several first spray holes 32, are respectively arranged with the inwall of the first fan-shaped interlayer chamber 35, the second fan-shaped interlayer chamber 36
Two spray holes 33, its cooling oil spray hole are distributed in above periphery corresponding to the both ends of motor stator winding 5；Fig. 2, spray hole
0~180o of angle of circumference on the first fan-shaped interlayer chamber 35, the second fan-shaped interlayer chamber 36 is locally set respectively, the during cooling
Cooling oil in one fan-shaped interlayer chamber 35, the second fan-shaped interlayer chamber 36 is directly sprayed by the first spray hole 32, second respectively
Hole 33 is sprayed to above the winding both ends of stator 3, is then flowed to and is gathered below end naturally under gravity, is gone out by first
Hydraulic fluid port 11, the second oil-out 12 go out, and realize the direct cooling to stator winding, and the two of described enclosed motor stator winding 5
End outer is provided with high pressure resistant non-conductive reticulate body 6, and the setting can not only realize winding overhang sprinkling oil sprinkling to winding terminal
The protective effect of portion's infringement, and and can plays the fixed cooling oil of absorption, extends the effect of the effective heat exchange of heat exchanger time, with
More fully heat exchange of the cooling oil to winding overhang is easy to implement, reaches the purpose of high efficiency and heat radiation.
Worked during implementation in cooling oil pump housing assembly 17, cooling oil enters heat exchanger 19 through delivery pipe 20, in radiation air
Heat exchanger is radiated in the presence of machine 18, realizes the heat exchange to cooling oil, cooling oil after cooling is through pipeline 20
First to the housing 2 of enclosed motor main body 1 is realized in the presence of the first valve 21, the second valve 22, the 3rd valve 23
Oil inlet 8, cooling oil oil inlet 7, the assignment of traffic fuel feeding of the second oil inlet 9, point two tunnels cooling, first oil inlet 8 of route,
The oil inlet of second oil inlet 9 respectively inputs cooling oil the second fan-shaped interlayer chamber 36, the first fan-shaped interlayer cavity of electric machine casing 2
Room 35, sprinkling cooling then is carried out to the both ends 5 of motor internal stator 3 through the second spray hole 33, the first spray hole 32, in gravity
In the presence of be collected at motor cavity bottom, form remaining liquid level, its remaining liquid level cooling oil liquid level adjust fill
In the presence of putting 38, the remaining liquid level of enclosed motor intracavitary cooling oil can be changed, the different types of cooling is produced, work as control
In the horizontal installation of motor, the external diameter lower bottom part of rotor 4 immerses between coolant 1-5mm liquid level, and at this moment motor stator is local
Coolant is immersed, rotor, which rotates to produce along the winged of surrounding tangential direction, spills oil, while realizes in the surface of rotor 4 and stator 3
The cooling of perimeter surface, fly to spill cooling effect when controlling not producing when liquid level is horizontal less than motor to install rotor lower bottom part external diameter
Fruit, it is mutual to adjust rotor 4 and cooling oil when motor is not to be arranged horizontally Shi Junke to adjust liquid level according to different situation
Between rotary resistance, then cooling oil from the second oil-out 12, the first oil-out 11 through cooling oil liquid level arrangement for adjusting height 38
Regulation, enter cooling oil pump housing assembly 17 from the 3rd oil-out 37 of cooling oil liquid level arrangement for adjusting height 38, realize closed loop
Cooling；The cooling oil oil inlet 7 of the housing 2 of two route enclosed motor main bodys 1 enters A, B two-way, and A route the first oil inlet 7
Influent stream, led through the 5th cooling oil guiding gutter 28, the 6th cooling oil guiding gutter 29, the 7th cooling oil guiding gutter 30, the 8th cooling oil
After chute 31, gone out by cooling oil oil-out 10, the cooling oil guiding gutter 27 of B roads the 4th, the 3rd cooling oil guiding gutter 26, second are cold
After oily guiding gutter 25, the first cooling oil guiding gutter 24, gone out by cooling oil oil-out 10, two-way cooling oil is all fuel-displaced by cooling oil
Mouth 10 goes out, and enters cooling oil conveying pump assembly 17 afterwards, realizes two tunnel closed loops coolings.
Claims (3)
1. a kind of interior recycle oil cooling motor, including enclosed motor main body（1）, cooling oil conveying pump assembly（17）, heat exchange
Device（19）And cooling fan（18）, it is characterised in that：The first housing in described enclosed motor main body（2）It is provided with three sections
Circumference chamber, stage casing are hollow chamber（34）, backside segments are the second fan-shaped interlayer chamber（36）, toe lateral section is the first fan-shaped interlayer
Chamber（35）, hollow chamber（34）It is directly to motor stator outer round surface cooling section, hollow chamber（34）Inside it is provided with several
And stator（3）The floor that external diameter is mutually fixed（45）, in floor（45）On be provided with the 5th cooling oil guiding gutter（28）, the 6th cooling
Oily guiding gutter（29）, the 7th cooling oil guiding gutter（30）, the 8th cooling oil guiding gutter（31）, the 4th cooling oil guiding gutter（27）、
3rd cooling oil guiding gutter（26）, the second cooling oil guiding gutter（25）With the first cooling oil guiding gutter（24）, in hollow chamber
（34）The first corresponding housing（2）Cooling oil oil inlet is provided with wall（7）With cooling oil oil-out（10）, floor（45）
Both ends be provided with the first circumferential bulkhead（41）With the second circumferential bulkhead（42）, by hollow chamber（34）With the second of both ends
Fan-shaped interlayer chamber（36）, the first fan-shaped interlayer chamber（35）Three sections of not connected chambers are divided into, in the second fan-shaped interlayer cavity
Room（36）Internal perisporium on be provided with it is several to motor stator（3）Winding overhang（5）Carry out the second spray of cooling oil sprinkling cooling
Spill hole（33）, in the first fan-shaped interlayer chamber（35）Internal perisporium on be provided with it is several to motor stator（3）Winding overhang（5）Enter
First spray hole of row cooling oil sprinkling cooling（32）, in the second fan-shaped interlayer chamber（36）The second spray hole（33）It is corresponding
Lower section be provided with the second oil-out（12）, in the first fan-shaped interlayer chamber（35）The first spray hole（32）Corresponding lower section
It is provided with the first oil-out（11）；Described enclosed motor main body（1）The first housing（2）On to be provided with motor cavity room cold
But oil level arrangement for adjusting height（46）, described cooling oil liquid level arrangement for adjusting height（46）It is by the second housing（47）, put
Gas port（15）, with externally threaded oil inlet（13）, internal thread overflow liquid level adjusting nut（14）With the 3rd oil-out（37）Composition,
Rotating internal thread overflow liquid level adjusting nut（14）The adjustable remaining cooling liquid level in motor cavity room.
A kind of 2. interior recycle oil cooling motor according to claim 1, it is characterised in that：Described enclosed motor main body
（1）Stator winding both ends（5）Periphery be enclosed with nonmetallic reticulate body（6）.
A kind of 3. interior recycle oil cooling motor according to claim 1, it is characterised in that：Described interior recycle oil cooling side
Method is：Cooling oil conveys pump assembly during implementation（17）Work, cooling oil is through delivery pipe（20）Into heat exchanger（19）, radiating
Blower fan（18）In the presence of heat exchanger is radiated, realize the heat exchange to cooling oil, cooling oil after cooling is through defeated
Send pipe（20）Respectively in the first valve（21）, the second valve（22）, the 3rd valve（23）In the presence of realize to enclosed motor
Main body（1）The first housing（2）On the first oil inlet（8）, cooling oil oil inlet（7）, the second oil inlet（9）Assignment of traffic
Fuel feeding, point two tunnels cooling, first oil inlet of route（8）, the second oil inlet（9）Cooling oil is inputted to the first shell of motor respectively
Body（2）The second fan-shaped interlayer chamber at both ends（36）, the first fan-shaped interlayer chamber（35）, then respectively through the second spray hole
（33）, the first spray hole（32）To motor internal stator（3）Winding both ends（5）Sprinkling cooling is carried out, under gravity
Motor cavity bottom is collected at, forms remaining liquid level, its remaining liquid level is in cooling oil liquid level arrangement for adjusting height（46）'s
Under effect, the remaining liquid levels layer of enclosed motor intracavitary cooling oil can be changed（16）Highly, the different types of cooling is produced, works as control
Liquid level is in the horizontal installation of motor, rotor（4）External diameter lower bottom part is immersed between coolant 1-5mm, at this moment motor stator office
Portion immerses coolant and directly cooled down, and rotor rotates the splashing oil produced along surrounding tangential direction, while realizes to rotor（4）Table
Face and stator（3）The cooling of inner peripheral surface, when control liquid level is less than the horizontal installation rotor of motor（4）During lower bottom part external diameter not
Splashing cooling effect is produced, when motor is not to be arranged horizontally Shi Junke to adjust liquid level according to different situation, is turned with regulation
Son（4）The mutual rotary resistance with cooling oil, then cooling oil is respectively from the second oil-out（12）, the first oil-out（11）Through
Cooling oil liquid level arrangement for adjusting height（46）Regulation from the 3rd oil-out（37）Into cooling oil pump housing assembly（17）, realization closes
Ring cools down；Two route enclosed motor main bodys（1）The first housing（2）On cooling oil oil inlet（7）Into dividing C, D two-way,
Cavity stops up in（34）, C route cooling oil oil inlets（7）Oil-feed, respectively through floor（45）The 5th cooling oil guiding gutter
（28）, the 6th cooling oil guiding gutter（29）, the 7th cooling oil guiding gutter（30）, the 8th cooling oil guiding gutter（31）Afterwards, by cooling down
Oily oil-out（10）Go out, D route cooling oil oil inlets（7）Oil-feed, respectively through floor（45）The 4th cooling oil guiding gutter（27）、
3rd cooling oil guiding gutter（26）, the second cooling oil guiding gutter（25）, the first cooling oil guiding gutter（24）It is fuel-displaced by cooling oil afterwards
Mouthful（10）Go out, C, D two-way cooling oil are all by cooling oil oil-out（10）Go out, enter cooling oil conveying pump assembly afterwards（17）, realize
Two tunnel closed loop coolings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489309.6A CN105262280B (en) | 2015-08-12 | 2015-08-12 | A kind of interior recycle oil cooling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489309.6A CN105262280B (en) | 2015-08-12 | 2015-08-12 | A kind of interior recycle oil cooling motor |
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| Publication Number | Publication Date |
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| CN105262280A CN105262280A (en) | 2016-01-20 |
| CN105262280B true CN105262280B (en) | 2018-02-23 |
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| CN201510489309.6A Active CN105262280B (en) | 2015-08-12 | 2015-08-12 | A kind of interior recycle oil cooling motor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346925A (en) * | 2016-05-06 | 2017-11-14 | 宁波盛智气能科技有限公司 | The high speed double-screw compressor electric system of magneto driving |
| CN106357053B (en) * | 2016-11-28 | 2019-05-07 | 山东理工大学 | A kind of hub motor drive system using spray and air-cooled combination cooling mode |
| EP3644480B1 (en) * | 2017-06-19 | 2022-10-26 | LG Magna e-Powertrain Co., Ltd. | Electric motor including oil spraying part |
| JP7135522B2 (en) | 2018-07-13 | 2022-09-13 | トヨタ自動車株式会社 | Rotating electric machine |
| DE102019117637A1 (en) * | 2019-07-01 | 2021-01-07 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Arrangement for cooling an electric machine in a motor vehicle and method for operating the arrangement |
| CN117927439A (en) * | 2024-03-18 | 2024-04-26 | 潍柴动力股份有限公司 | Integrated electric pump and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225060A (en) * | 1997-02-07 | 1998-08-21 | Hitachi Ltd | Generator for vehicle and cooling device for vehicle |
| CN103296836B (en) * | 2013-06-04 | 2016-02-17 | 北京交通大学 | The all radial multichannel oil cooling systems of high-speed electric expreess locomotive |
| CN203482017U (en) * | 2013-06-28 | 2014-03-12 | 殷天明 | Direct cooling system for motor winding coil |
| CN103532307B (en) * | 2013-10-21 | 2016-05-04 | 南车株洲电力机车研究所有限公司 | A kind of permanent-magnet synchronizing traction motor and oil cooler thereof |
| CN103683673B (en) * | 2013-11-13 | 2016-08-17 | 华南理工大学 | A kind of directly fountain electromotor cooling system |
| CN203871994U (en) * | 2014-06-11 | 2014-10-08 | 章胜 | Motor cooling system |
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Inventor after: Guo Zigang Inventor after: Guo Hui Inventor after: Lei Honghao Inventor after: Lin Qi Inventor before: Guo Zigang Inventor before: Lin Qi Inventor before: Guo Hui |
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Effective date of registration: 20180118 Address after: 355000 Fujian city of Ningde province Fu'an city Yang head Street No. 25 Villa Fontana Gardens Applicant after: Guo Hui Address before: 355000, Ningde, Fujian Province, Fu'an Yang Road, Yangquan, No. 14 Applicant before: Fuan Guangyuan Electromechanical Co., Ltd. |
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Effective date of registration: 20180620 Address after: 516000 south of Tongfa Road, Tongqiao Industrial Zone, Tongqiao Town, Huicheng District, Huizhou, Guangdong, China Patentee after: Huizhou Yuanli Industrial Co., Ltd. Address before: 355000 25 Hao garden villa, Yangtou street, Fu'an, Ningde, Fujian Patentee before: Guo Hui |
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