CN205921491U - End cover of motor for electric automobile - Google Patents
End cover of motor for electric automobile Download PDFInfo
- Publication number
- CN205921491U CN205921491U CN201620532897.7U CN201620532897U CN205921491U CN 205921491 U CN205921491 U CN 205921491U CN 201620532897 U CN201620532897 U CN 201620532897U CN 205921491 U CN205921491 U CN 205921491U
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- Prior art keywords
- motor
- end cap
- electric automobile
- insertion groove
- utility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides an end cover of motor for electric automobile, include: the base has enclosure wall and closed surface, and wherein, the enclosure wall comprises side wall surface and circumference face, the cooling agent entry, it sets up on the side wall surface and the interval predetermined distance, link up the recess, it sets up in the circumference face. The utility model provides an end cover of motor for electric automobile is through increasing cooling agent area of contact to the cooling effect of increase motor is and make simply, with low costs.
Description
Technical field
This utility model is related to motor in electric automobile manufacturing technology field, in particular to a kind of electric automobile electricity consumption
The end cap of machine.
Background technology
Along with the high speed development of automobile industry, petroleum resources shortage, environment are warmed and a series of problems, such as climate warming
Burst.New-energy automobile with pure electric automobile as representative will become China's development of automobile industry important directions it
One.And automobile power-driven system is as the unique power source of pure electric automobile, its performance directly affects the dynamic property of car load, steady
Qualitative and comfortableness.
Just started the traction electric machine that direct current generator is developed as electric automobile, this is because direct current generator have starting plus
Fast pull strength is big, the advantages of control system is simpler.However, the shortcoming of direct current generator is that there is mechanical commutator, when at a high speed
When running under heavy load, commutator face can produce spark, and therefore motor speed can not be too high.So electric automobile in recent years
Traction electric machine is based on AC induction motor and magneto.The vector controlled speed adjusting technique comparative maturity of AC induction motor,
Make Induction Motor-Driven system have obvious advantage, be therefore applied to the drive system of electric automobile earlier, at present
Remain the main product of drive system of electric automobile, but compared with magneto, its power density is low.Magneto excellent
Gesture and inferior position.
Need to meet small volume due to the design requirement of Motor for Electric Automobile, lightweight, power density is high, heat-sinking capability
The feature such as good, so Motor for Electric Automobile (referring mainly to AC induction motor and magneto) is typically chosen and adopts liquid-cooling heat radiation
Mode, the coolant flow channel of motor is generally located on around the stator of motor, by the flowing/circulation of cooling medium, takes away motor
Heat.
The motor of existing employing coolant flow channel radiating is entirely to adopt sand casting, die casting or inside and outside shell process and assemble
Mode manufacture stator component.But, (1) sand casting process, there is the problem that easily producing pore in casting process, draws
Play coolant flow channel to reveal；And, in different train, the stator for different length is required for re-molding, thus causing
Motor manufacturing high cost；In addition, the stator component intensity of sand casting process casting is relatively low, easily wear and tear.(2) in machining
, there is the problem that inside and outside shell fit dimension required precision is high, assembly technology is complicated for shell packaging technology.(3) extrusion process is deposited
Problem be: limited by Design of Die, coolant flow channel section can become big, compared with default cooling effect, actual cold
But effect can be deteriorated；In different train, the stator for different length is required for re-molding, thus causing high cost；
In addition, the stator component intensity of sand casting process casting is relatively low, easily wear and tear.
Therefore, sand casting, die casting or inside and outside shell process and assemble manufacturing process: one side technique is unfavorable for small electrical in itself
The production of machine, it is high on the other hand to there is also percent defective, poor reliability, machining and assembly difficulty big so that motor manufacturing cost
High.
In view of this, for the technical problem existing for the motor radiating structure of existing electric automobile, need to find new
Manufacturing process simultaneously designs corresponding frame for movement so that greatly improving the stator yield rate with coolant flow channel, simplify machining and
Assembly difficulty, thus realize high-volume manufacturing, reduces motor manufacturing cost.
Utility model content
For above-mentioned technical problem, this utility model designs a kind of end cap of Motor for Electric Automobile, to improve motor
Cooling effect.
For achieving the above object, utility model provides a kind of end cap of Motor for Electric Automobile, comprising: pedestal 1, has
Enclosure wall wall 1-1 and sealing surface 1-2, wherein, enclosure wall wall 1-1 is made up of side wall 1-1a and circumferential surface 1-1b；Coolant entrance 2a,
2b, it is arranged on the wall 1-1a of side and spaced a predetermined distance；Insertion groove 3, it is arranged in circumferential surface 1-1b.
Further, described end cap includes: at least two insertion grooves 3, and the spacing distance between described insertion groove 3 is
Equidistantly.
Further, each insertion groove 3 described includes: the first pilot trench 3a and the second pilot trench 3b, wherein: the first pilot trench 3a
With second have partition walls 3d between pilot trench 3b.
Further, also include: the second pilot trench in the first pilot trench 3a and the second insertion groove in the first insertion groove
There is between 3b connected channel 3c.
Further, described connected channel 3c is arranged in enclosure wall wall 1-1.
Further, the end cap of the Motor for Electric Automobile that this utility model provides also includes: fixing hole 4, it is arranged on
On enclosure wall wall 1-1.
Further, described fixing hole 4 arranges and is passed through in the spacing distance between any two insertion grooves 3.
Further, the end cap of the Motor for Electric Automobile that this utility model provides also includes: reinforcement 6, it is arranged on
On sealing surface 1-2, and it is located at sealing surface 1-2 towards on the side in enclosure wall wall 1-1.
Further, longitudinal depth of described insertion groove 3 configures according to cooling medium required flow rate.
Further, the cross sectional shape of described insertion groove 3 is the arbitrary of rectangle, waist type or the flat shape of the mouth as one speaks for cross sectional shape
Kind.
The end cap of the Motor for Electric Automobile that this utility model provides, by increasing coolant contact area, to increase electricity
The cooling effect of machine, and be simple to manufacture, low cost.
The aspect that this utility model adds and advantage will be set forth in part in the description, and these will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the schematic diagram of the end cap side of this utility model one embodiment；
Fig. 2 is the schematic diagram of the end cap opposite side of this utility model one embodiment；
Fig. 3 is the floor map of the end cap of this utility model one embodiment；
Fig. 4 is the perspective view of the end cap of this utility model one embodiment.
Specific embodiment
For making those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and specifically real
Mode of applying is described in further detail to this utility model.Of the present utility model embodiment is described in more detail below, described
The example of embodiment is shown in the drawings, wherein from start to finish same or similar label represent same or similar element or
There is the element of same or like function.Embodiment below with reference to Description of Drawings is exemplary, is only used for explaining
This utility model, and can not be construed to restriction of the present utility model.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, "
Individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that using in description of the present utility model
Wording " inclusion " refer to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that exist or
Add other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that working as us
Element is claimed to be " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or can also
There is intermediary element.Additionally, " connection " used herein or " coupling " can include wirelessly connecting or coupling.Used herein arrange
Diction "and/or" includes one or more associated any cell and all combinations of listing item.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (include technology art
Language and scientific terminology) there is general understanding identical meaning with the those of ordinary skill in this utility model art.Also
It should be understood that those terms defined in such as general dictionary should be understood that have with the context of prior art in
The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
Fig. 1 is the schematic diagram of the end cap side of this utility model one embodiment.Fig. 2 is the end of this utility model one embodiment
The schematic diagram of lid opposite side.Fig. 3 is the floor map of the end cap of this utility model one embodiment.Fig. 4 is this utility model one
The perspective view of the end cap of embodiment.As Figure 1-4, utility model provides a kind of end cap of Motor for Electric Automobile, comprising:
Pedestal 1, has enclosure wall wall 1-1 and sealing surface 1-2, and wherein, enclosure wall wall 1-1 is made up of side wall 1-1a and circumferential surface 1-1b；Cold
But agent entrance 2a, 2b, it is arranged on the wall 1-1a of side and spaced a predetermined distance；Insertion groove 3, it is arranged on circumferential surface 1-1b
Interior.
As Figure 1-4, end cap includes: at least two insertion grooves 3, and the spacing distance between described insertion groove 3 is
Equidistantly.
As Figure 1-4, each insertion groove 3 includes: the first pilot trench 3a and the second pilot trench 3b, wherein: the first pilot trench 3a
With second have partition walls 3d between pilot trench 3b.
As Figure 1-4, the end cap of the Motor for Electric Automobile that this utility model provides also includes: in the first insertion groove
The first pilot trench 3a and the second insertion groove in the second pilot trench 3b between there is connected channel 3c.
As Figure 1-4, connected channel 3c is arranged in enclosure wall wall 1-1.
As Figure 1-4, the end cap of the Motor for Electric Automobile that this utility model provides also includes: fixing hole 4, its setting
On enclosure wall wall 1-1.
As Figure 1-4, fixing hole 4 arranges and is passed through in the spacing distance between any two insertion grooves 3.
As Figure 1-4, the end cap of the Motor for Electric Automobile that this utility model provides also includes: reinforcement 6, its setting
On sealing surface 1-2, and it is located at sealing surface 1-2 towards on the side in enclosure wall wall 1-1.
As Figure 1-4, longitudinal depth of described insertion groove 3 configures according to cooling medium required flow rate, that is, pass through side
The flow velocity to adjust cooling medium for the depth of the first pilot trench 3a and the second pilot trench 3b in wall 1-1a.
As Figure 1-4, the cross sectional shape of described insertion groove 3 is appointing of rectangle, waist type or the flat shape of the mouth as one speaks for cross sectional shape
A kind of.
The end cap of the Motor for Electric Automobile that this utility model provides, by increasing coolant contact area, to increase electricity
The cooling effect of machine, and be simple to manufacture, low cost.
End cap of the present utility model is used in a kind of motor stator with coolant flow channel.This motor stator is it is adaptable to exchange
Asynchronous machine or magneto, comprising: stator body；Stator casing, it circumferentially surrounds and is socketed along the outline of stator body
Stator body (for example, is assembled using socket mode)；Upper end cover and bottom end cover, it is located at the two side ends of stator casing axial direction respectively
Portion；Stator coolant flow channel, is distributed in described stator casing, upper end cover and bottom end cover；Securing member, for fastening stator casing
With both sides end cap, to form the sealing structure of described coolant flow channel.
As a kind of embodiment, it is provided with through type cooling subchannel in stator casing, in upper end cover and bottom end cover respectively
It is provided with insertion groove.Through type cools down subchannel, and it is arranged in stator casing, extends along described stator casing axis direction
And run through described stator casing；Insertion groove, it is arranged in the end cap of stator casing, for coordinating with shell in end cap
Afterwards, seal the different cooling subchannel of simultaneously insertion so that cooling medium circulates in different cooling subchannels.Further,
Stator casing has inner and outer wall, and through type cooling subchannel is arranged between the inner and outer wall of stator casing.Further
Ground, is provided with continual separated region between the different through type cooling subchannels in stator casing；Similarly, same end cap
Different insertion grooves between be also equipped with continual separated region.
It is understood that the stator coolant flow channel of this utility model design is divided into two different pieces, a part sets
Put in the end cap of both sides (referred to as " insertion groove "), another part is arranged in stator casing that (referred to as " through type cooling is logical
Road ") so that the through type being arranged in stator casing cools down the section shape and size of subchannel according to different stator bodies
Outline radian and set, thus realize described cooling subchannel and stator body between contact surface maximize.As one kind
Embodiment, the cross sectional shape that through type cools down subchannel is consistent with the outline radian shape of stator body.Preferably, lead directly to
The cross sectional shape that formula cools down subchannel is rectangle, waist type or the flat shape of the mouth as one speaks.
The motor that this utility model uses is that the coolant flow channel of traditional global design manufacture is split into through type cooling
Passage and insertion groove separately design the scheme of manufacture, and through type cooling subchannel is arranged in stator casing, and insertion is recessed
Groove is arranged in stator casing end cap, and this Distributed Design introduces " cooling subchannel " concept thus simplifying tradition cooling stream
The design in road, and " the cooling subchannel " of manufacture of can standardizing is arranged in stator casing so that this utility model
The stator casing of the band " cooling subchannel " providing can adopt extrusion process manufacture.Further, son is cooled down according to through type
The different designs scheme of passage, can adjust shape, size and the structure of insertion groove at any time, for example, when cooling subchannel
When channel diameter expands or shrinks, can accordingly increase or reduce the sectional dimension of insertion groove；When cooling subchannel each other
Between spacing distance when expanding or shrinking, can accordingly increase or reduce cross-sectional width.It is this that this utility model provides
Design makes the stator structure with coolant flow channel be greatly simplified, by improving the reliability of product using extrusion process
Property and yield rate, and due to avoiding machining so that manufacturing cost substantially reduces.
The major function that through type cools down subchannel is to be easy to using extrusion process manufacture using standard design, and
Increase the contact area local with stator as far as possible to improve cooling effectiveness.Through type cooling subchannel in stator casing is to set
Put the passage that the axis parallel to stator 4 in stator casing extends, and the through type cooling subchannel in stator casing
Run through stator casing in the axial direction, thus formed multiple extending through the another of stator casing from an axial end portion of stator casing
The passage of individual axial end portion.Those of ordinary skill in the art can arrange the number that through type cools down subchannel according to actual needs
Amount, cross sectional shape (such as elliptic cross-section) and size, these modifications are without departing from protection domain of the present utility model.And, often
Cooling subchannel in one day stator casing is all closing, the standard design parallel with stator shaft orientation of through type, has
Beneficial to using extrusion process manufacture.
The major function of insertion groove is the adjacent cooling subchannel of insertion, and insertion groove both can be a type,
Can be two kinds dissimilar, or according to cooling subchannel the corresponding species of Specific disposition.Preferably, this utility model is implemented
Example illustrates taking two kinds of insertion groove as a example.The part-structure of coolant flow channel is arranged on two side ends by this utility model
Make the overall structure of coolant flow channel simple in lid, form the circulating cooling of closure after both sides end cap with stator casing assembling
Media flow channel.Further, this design makes end face seal improve, simple and reliable for structure.
It is understood that the stator coolant flow channel that prior art provides is limited to the chi of manufacturing process or arrangement components
Very little and shape can only calculate required contact surface in advance, and designs contact shape according to contact surface, subsequently adopts sand casting, die casting
Or inside and outside shell process and assemble manufacturing process, this mode needs multiple model, manufactures the technique underaction of coolant flow channel, cost
Higher；And this utility model introduces distributed coolant flow channel design, and through type cooling is carried using extrusion process manufacture
The stator casing of passage is so that manufacturing process flexibly, need not repeatedly mold, reduce manufacturing cost.
As a kind of embodiment, because insertion groove 3 is used for the insertion cooling with the first spacing distance close two-by-two
Subchannel, insertion groove 3 can be the groove directly outputed on upper end cover.The section shape and size of described groove is not according to
With the section shape and size of cooling subchannel and the spacing distance configuration between them so that in end cap and stator casing
Being capable of the different cooling subchannel of transverse sealing and this different cooling subchannel longitudinally through after closure.Implement as a kind of
Example, when the different through type cooling subchannel quantity being arranged in stator casing is at least more than three, the first cooling
The first spacing distance between passage a and second cooling subchannel b is less than the second cooling subchannel b and the 3rd cooling subchannel c
Between there is the second spacing distance so that the duct of securing member precession can be configured in the range of the second spacing distance,
With the precession that will pass through securing member, stator two side ends lid is tightly fixed on stator casing.Further, when the first spacer
From during less than the second spacing distance, sectional dimension wa1+ second of sectional dimension wg1 >=the first coolant flow channel of insertion groove 3 is cold
But sectional dimension wb1+ the first spacing distance d1 of runner.As another kind of embodiment, when the first spacing distance is equal between second
Gauge from when, insertion groove can be only same type of groove, that is, each cooling subchannel between spacing distance all phases
Deng when, the groove shapes of setting can be just the same in the end cap of both sides, simply in cooperation according to shifting to install in the end cap of both sides
Insertion groove, thus closure after formed coolant flow channel.Further, the sectional dimension of insertion groove >=any bar coolant flow channel
+ two coolant flow channels of sectional dimension of another coolant flow channel of sectional dimension+adjacent between spacing distance.
Further, longitudinal depth of described groove configures according to cooling medium required flow rate.It is understood that ability
Domain those of ordinary skill can use for reference in physicss or mechanics with regard between section and different circulation dielectric object rationality matter
Mathematical relationship carry out the design of concrete frame for movement.
Therefore, the stator coolant flow channel that this utility model provides may include that through type cooling subchannel, and it is arranged on
In stator casing, extend along stator casing axis direction and run through described stator casing；Insertion groove 62, it is arranged on stator
In the end cap of shell, for, after end cap with shell cooperation, sealing and the different cooling subchannel of insertion being so that cooling medium exists
Circulation in different cooling subchannels.It is understood that after stator casing, upper end cover and bottom end cover are assembled together,
Cooling subchannel in stator casing, upper end cover and bottom end cover and insertion groove fluid communication with each other are thus form complete cooling
Runner.
After described stator casing, upper end cover and bottom end cover are assembled together, on the end adjacent with upper end cover,
Two in stator casing adjacent cooling subchannels fluid communication with each other by the groove structure on upper end cover；With lower end
Cover on adjacent end, two in stator casing adjacent cooling subchannels are flowed each other by the built-in channel in bottom end cover
Body connects, thus forming complete coolant flow channel.When motor operation, in coolant flow channel, the cooling medium of flowing is (for example cold
But water) cooling down is carried out to motor, thus the temperature of controlled motor.Coolant flow channel in this utility model is not only provided at fixed
In subshell, and being additionally arranged in upper end cover and bottom end cover, thus increasing the active area of cooling medium, being conducive to electricity
The Quick uniform cooling of machine.
Although by the composition of the coolant flow channel in upper end cover and bottom end cover in above-mentioned specific embodiment of the present utility model
Part is arranged to above two multi-form.It will be understood, however, to one skilled in the art, that the cooling in upper end cover and bottom end cover
The ingredient of runner it can also be provided that same form, for example, can be set to the groove structure shape in such as upper end cover
Formula is it is also possible to be set to the built-in channel within such as bottom end cover.Or, other can also be set in upper end cover and bottom end cover
Form, thus realize with stator casing in coolant flow channel ingredient be in fluid communication technique effect, these modifications are not
Depart from protection domain of the present utility model.
In the motor with coolant flow channel of the present utility model, coolant flow channel is not only provided in stator casing, and
Being additionally arranged in the first end cap and the second end cap, thus increasing the active area of cooling medium, being conducive to quick to motor
Uniformly cool down.And, the stator casing of motor of the present utility model and end cap can be only fastenedly connected one by securing member
Rise, from without complicated assembling process.Further, since the structure letter of the coolant flow channel in stator casing of the present utility model
Single, therefore technical maturity, low cost and the low extrusion forming technology of defect rate can be adopted to manufacture stator casing, thus reducing
The totle drilling cost of motor manufacturing and decrease defect rate.
For achieving the above object, on the one hand, this utility model provides a kind of stator coolant flow channel, comprising: through type
Cooling subchannel, it is arranged in stator casing, extends along described stator casing axis direction and runs through described stator casing；
Insertion groove, it is arranged in the end cap of stator casing, for, after end cap with shell cooperation, sealing and the different cooling of insertion
Subchannel is so that cooling medium circulates in different cooling subchannels.
Longitudinal depth of groove configures according to cooling medium required flow rate.The section shape and size of groove is according to different
The section shape and size of cooling subchannel and the spacing distance configuration between them are so that close with stator casing in end cap
Afterwards being capable of the different cooling subchannel of transverse sealing and this different cooling subchannel longitudinally through.
The above is only some embodiments of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of end cap of Motor for Electric Automobile is it is characterised in that include:
Pedestal (1), has enclosure wall wall (1-1) and sealing surface (1-2), and wherein, enclosure wall wall (1-1) is by side wall (1-1a) and circumference
Face (1-1b) is constituted；
Coolant entrance (2a, 2b), it is upper and spaced a predetermined distance that it is arranged on side wall (1-1a)；
At least two insertion grooves (3), described insertion groove (3) is arranged in circumferential surface (1-1b), described insertion groove (3) it
Between spacing distance be equidistant.
2. the end cap of Motor for Electric Automobile according to claim 1 is it is characterised in that each insertion groove (3) described
Including: the first pilot trench (3a) and the second pilot trench (3b), wherein: between the first pilot trench (3a) and the second pilot trench (3b), there are partition walls
(3d).
3. the end cap of Motor for Electric Automobile according to claim 2 is it is characterised in that also include: the first insertion groove
In the first pilot trench (3a) and the second insertion groove in the second pilot trench (3b) between there is connected channel (3c).
4. the end cap of Motor for Electric Automobile according to claim 3 is it is characterised in that described connected channel (3c) is arranged
In enclosure wall wall (1-1).
5. the end cap of Motor for Electric Automobile according to claim 1 is it is characterised in that also include:
Fixing hole (4), it is arranged on enclosure wall wall (1-1).
6. the end cap of Motor for Electric Automobile according to claim 5 is it is characterised in that described fixing hole (4) is arranged simultaneously
It is passed through in the spacing distance between any two insertion grooves (3).
7. the end cap of Motor for Electric Automobile according to claim 1 is it is characterised in that also include:
Reinforcement (6), it is arranged on sealing surface (1-2), and is located at sealing surface (1-2) towards the side in enclosure wall wall (1-1)
On.
8. Motor for Electric Automobile according to claim 1 end cap it is characterised in that described insertion groove (3) vertical
Configured to depth according to cooling medium required flow rate.
9. Motor for Electric Automobile according to claim 1 end cap it is characterised in that described insertion groove (3) cut
Face is shaped as any one that cross sectional shape is rectangle, waist type or the flat shape of the mouth as one speaks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532897.7U CN205921491U (en) | 2016-06-02 | 2016-06-02 | End cover of motor for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532897.7U CN205921491U (en) | 2016-06-02 | 2016-06-02 | End cover of motor for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921491U true CN205921491U (en) | 2017-02-01 |
Family
ID=57876531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532897.7U Active CN205921491U (en) | 2016-06-02 | 2016-06-02 | End cover of motor for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205921491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574376A (en) * | 2017-03-13 | 2018-09-25 | 舍弗勒技术股份两合公司 | Hub driver and cooling water jacket thereof |
| CN109474132A (en) * | 2018-10-09 | 2019-03-15 | 淮南师范学院 | Asynchronous machine optimizes device |
-
2016
- 2016-06-02 CN CN201620532897.7U patent/CN205921491U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574376A (en) * | 2017-03-13 | 2018-09-25 | 舍弗勒技术股份两合公司 | Hub driver and cooling water jacket thereof |
| CN108574376B (en) * | 2017-03-13 | 2022-04-08 | 舍弗勒技术股份两合公司 | Hub driver and cooling water jacket thereof |
| CN109474132A (en) * | 2018-10-09 | 2019-03-15 | 淮南师范学院 | Asynchronous machine optimizes device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200082 No. 538, Dalian Road, Shanghai, Yangpu District Patentee after: CONTINENTAL INVESTMENT (CHINA) Co.,Ltd. Address before: 200082 No. 538, Dalian Road, Shanghai, Yangpu District Patentee before: Continental Automotive Holding Co.,Ltd. |
|
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Effective date of registration: 20191227 Address after: 200082 8th Floor, 538 Dalian Road, Yangpu District, Shanghai Patentee after: WeiPai technology investment (China) Co.,Ltd. Address before: 200082 No. 538, Dalian Road, Shanghai, Yangpu District Patentee before: CONTINENTAL INVESTMENT (CHINA) Co.,Ltd. |
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