CN114649899A - Power shaft of motor and motor - Google Patents
Power shaft of motor and motor Download PDFInfo
- Publication number
- CN114649899A CN114649899A CN202210147714.XA CN202210147714A CN114649899A CN 114649899 A CN114649899 A CN 114649899A CN 202210147714 A CN202210147714 A CN 202210147714A CN 114649899 A CN114649899 A CN 114649899A
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- 239000007788 liquid Substances 0.000 claims abstract description 92
- 238000001802 infusion Methods 0.000 claims description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The application discloses power shaft and motor of motor, the disclosed power shaft includes the axle body, heat transfer structure and the transfer line that is used for carrying heat transfer liquid, the axle body is equipped with the axle chamber, first liquid inlet and first liquid outlet, the transfer line is located within the axle chamber, and form the heat transfer space between transfer line and the axle body, the transfer line is equipped with lumen and second liquid outlet, first liquid inlet and lumen intercommunication, heat transfer space and lumen are by second liquid outlet intercommunication, heat transfer space and first liquid outlet intercommunication, heat transfer structure locates in the heat transfer space, and link to each other with at least one in axle body and the transfer line. The scheme can solve the problem of low heat dissipation efficiency of the power shaft of the motor in the related art.
Description
Technical Field
The application belongs to the technical field of motors, and particularly relates to a power shaft of a motor and the motor.
Background
The motor is a common power device, and the purpose of driving is realized by converting electric energy into mechanical energy. A large amount of heat can be generated due to inevitable friction in the process of high-speed rotation of a power shaft of the motor, and if the heat cannot be dissipated in time, adverse effects can be caused on the motor.
In the related art, a power shaft of a motor is cooled by using a cooling liquid, the power shaft of the motor is provided with a cavity, and the cooling liquid flows in the cavity, exchanges heat with the power shaft and flows out through a liquid outlet hole in the power shaft, so that heat dissipation of the power shaft is realized. However, the heat exchange efficiency of the above method is low, so that the heat radiation efficiency of the power shaft is low.
Disclosure of Invention
The embodiment of the application aims to provide a power shaft of a motor and the motor, and the problem that the heat dissipation efficiency of the power shaft of the motor in the related art is low can be solved.
In order to solve the technical problem, the present application is implemented as follows:
the embodiment of the application provides a power shaft of motor, include axle body, heat transfer structure and be used for carrying the transfer line of heat transfer liquid, wherein:
the shaft body is provided with a shaft cavity, a first liquid inlet and a first liquid outlet;
the infusion tube is arranged in the shaft cavity, a heat exchange space is formed between the infusion tube and the shaft body, the infusion tube is provided with a tube cavity and a second liquid outlet, the first liquid inlet is communicated with the tube cavity, the heat exchange space is communicated with the tube cavity through the second liquid outlet, and the heat exchange space is communicated with the first liquid outlet;
the heat exchange structure is arranged in the heat exchange space and is connected with at least one of the shaft body and the infusion tube.
The embodiment of the application provides a motor, including foretell power shaft.
In this application embodiment, the heat transfer of axle body is to heat transfer liquid to carry over out to the axle body outside through heat transfer liquid, realize the heat dissipation of axle body, and this application has increased the heat transfer area of axle body with heat transfer liquid through addding heat transfer structure, has accelerated the heat exchange rate of axle body with heat transfer liquid, and then has accelerated the radiating rate of axle body, promotes the radiating efficiency of axle body.
Drawings
FIG. 1 is a schematic structural diagram of a power shaft of a motor disclosed in an embodiment of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is an exploded view of a power shaft as disclosed in an embodiment of the present application;
fig. 5 is a structural schematic diagram of the liquid conveying pipe and the heat exchange structure disclosed in the embodiment of the application.
Description of reference numerals:
100-shaft body, 110-shaft cavity, 120-first liquid inlet, 130-first liquid outlet, 140-first body segment, 141-first subcavity, 142-fourth subcavity, 1421-first conical segment, 1422-first radial segment, 1423-second conical segment, 150-second body segment, 151-second subcavity, 160-third body segment, 161-third subcavity,
200-heat exchange structure, 210-first heat exchange member, 220-second heat exchange member, 230-lining pipe,
300-an infusion tube, 310-a lumen, 320-a second liquid outlet, 330-a stress relief groove.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Referring to fig. 1 to 5, in an embodiment of the present application, a power shaft of a motor is disclosed, and the disclosed power shaft of a motor includes a shaft body 100, a heat exchange structure 200, and a liquid conveying pipe 300 for conveying a heat exchange liquid.
The shaft body 100 is provided with a shaft cavity 110, a first liquid inlet 120 and a first liquid outlet 130, the first liquid inlet 120 and the first liquid outlet 130 being respectively communicated with the shaft cavity 110.
The infusion tube 300 is disposed in the shaft cavity 110, and a heat exchange space is formed between the infusion tube 300 and the shaft body 100. Optionally, the infusion tube 300 may be made of aluminum alloy. The infusion tube 300 is provided with a tube cavity 310 and a second liquid outlet 320 which are communicated, the first liquid inlet 120 is communicated with the tube cavity 310, so that heat-exchange liquid can enter the tube cavity 310 through the first liquid inlet 120, the tube cavity 310 is communicated with the heat-exchange space through the second liquid outlet 320, so that the heat-exchange liquid in the tube cavity 310 can enter the heat-exchange space through the second liquid outlet 320, and the heat-exchange space is communicated with the first liquid outlet 130, so that the heat-exchange liquid in the heat-exchange space can flow out of the power shaft through the first liquid outlet 130.
The heat-exchange liquid enters the tube cavity 310 through the first liquid inlet 120, flows to the second liquid outlet 320 along the tube cavity 310, flows into the heat-exchange space through the second liquid outlet 320, and flows to the first liquid outlet 130 along the heat-exchange space, and during the operation of the motor, the power shaft rotates, and the heat-exchange liquid is thrown out of the shaft body 100 through the first liquid outlet 130 under the action of centrifugal force.
In this process, the heat of the shaft body 100 is transferred to the heat-exchange liquid, so that the heat exchange between the shaft body 100 and the heat-exchange liquid is realized, and the heat is carried out to the outside of the shaft body 100 by the heat-exchange liquid, so that the heat dissipation of the shaft body 100 is realized. The heat exchange liquid can be cooling oil, so that the cooling oil thrown from the shaft body 100 can lubricate other parts of the motor, and the dual-purpose function is achieved.
The heat exchange structure 200 is disposed in the heat exchange space and connected to at least one of the shaft body 100 and the infusion tube 300. Part of heat of the shaft body 100 can be directly transferred to the heat exchange liquid, and part of heat is transferred to the heat exchange structure 200 and is transferred to the heat exchange liquid through the heat exchange structure 200, that is, the heat exchange area between the shaft body 100 and the heat exchange liquid is increased due to the heat exchange structure 200.
In this application embodiment, the heat transfer of axle body 100 to heat transfer liquid to carry over out to axle body 100 outside through heat transfer liquid, realize the heat dissipation of axle body 100, and this application has increased the heat transfer area of axle body 100 with heat transfer liquid through addding heat transfer structure 200, has accelerated the heat exchange speed of axle body 100 with heat transfer liquid, and then has accelerated the radiating rate of axle body 100, has promoted the radiating efficiency of axle body 100.
In addition, after the heat-exchange liquid enters the infusion tube 300 and the heat-exchange space, due to the viscous effect and the inertia factor of the fluid, the rotating speed of the heat-exchange liquid has a certain speed difference with the rotating speed of the shaft body 100, the rotating speed of the heat-exchange structure 200 is equal to the rotating speed of the shaft body 100, and when the heat-exchange liquid flows through the heat-exchange structure 200, the heat-exchange structure 200 can also play a role in stirring the heat-exchange liquid to form turbulence, so that the heat-exchange efficiency is further improved, and further the heat-dissipation efficiency of the power shaft is further improved.
In an alternative embodiment, the heat exchanging structure 200 may include a plurality of first heat exchanging elements 210, the plurality of first heat exchanging elements 210 are disposed in the heat exchanging space, the plurality of first heat exchanging elements 210 are uniformly distributed around the axis of the infusion tube 300, a first end of the first heat exchanging element 210 is connected to the infusion tube 300, and a second end of the first heat exchanging element 210 extends along the radial direction of the infusion tube 300 in a direction away from the infusion tube 300. Alternatively, the first end of the first heat exchanging element 210 may be connected to the infusion tube 300 by a welded connection.
In this case, the plurality of first heat exchanging elements 210 are radially disposed and extend toward the shaft body 100, which is beneficial to increase the heat exchanging area of the heat exchanging structure 200. In addition, a plurality of first heat exchange pieces 210 are uniformly distributed around the axis of the infusion tube 300, so that the gravity center of the power shaft can be prevented from shifting, the unbalance amount is reduced, and the normal rotation of the power shaft is further ensured.
In order to further increase the heat exchange area, the heat exchange structure 200 may further include a second heat exchange element 220, and a plurality of second heat exchange elements 220 are symmetrically disposed on opposite sides of at least one of the plurality of first heat exchange elements 210. Alternatively, the second heat exchanging element 220 and the first heat exchanging element 210 may be an integral structure, or the second heat exchanging element 220 may be connected to the first heat exchanging element 210 by welding or screwing.
In the embodiment disclosed in the present application, a plurality of second heat exchanging elements 220 are symmetrically disposed on two opposite sides of each first heat exchanging element 210. Under the condition, the center of gravity of the power shaft can be prevented from shifting, the unbalance amount is reduced, and the normal rotation of the power shaft is further ensured. Meanwhile, the second heat exchange member 220 can further enhance the stirring and heat exchange functions, and further improve the heat exchange efficiency.
The heat exchanging structure 200 may further include an inner lining tube 230, the inner lining tube 230 is lined on the inner wall of the shaft cavity 110, and the second end of the first heat exchanging element 210 is fixedly connected to the inner lining tube 230. Alternatively, the second end of the first heat exchanging element 210 may be connected to the inner lining tube 230 by welding. In this case, both ends of the first heat exchanging element 210 are connected to the infusion tube 300 and the inner liner tube 230, respectively, so that the supporting effect of the first heat exchanging element 210 can be improved, which is advantageous for improving the structural strength of the heat exchanging structure 200.
In addition, the inner lining tube 230 contacts with the inner wall of the shaft cavity 110, so that the heat transfer speed from the shaft body 100 to the heat exchange structure 200 can be increased, and the heat exchange efficiency can be further improved.
In order to obtain a better supporting effect for the first heat exchange element 210, the first heat exchange element 210 may be a heat exchange strip extending from the first end of the lining tube 230 to the second end of the lining tube 230, and the heat exchange strip is parallel to the axial direction of the infusion tube 300. The direction from the first end to the second end of the liner tube 230 is parallel to the axial direction of the infusion tube 300. In this case, the connection area of the first heat exchange member 210 and the inner liner tube 230 is increased, and thus the support effect of the first heat exchange member 210 is improved, and this structure can also increase the area of the first heat exchange member 210, and thus increase the heat exchange area.
In the above scheme, the heat exchange efficiency of the power shaft is improved by additionally arranging the heat exchange structure, so that the power density of the motor is improved, the high-power motor with larger weight is avoided after the power density is improved in order to ensure the performance of the motor, and the weight of the motor can be lightened in a phase-changing manner.
To this end, in embodiments disclosed herein, the shaft body 100 may further include a first body segment 140, a second body segment 150, and a third body segment 160 that are sequentially joined and coaxially disposed. Alternatively, the first body segment 140, the second body segment 150, and the third body segment 160 can be welded together to facilitate the processing of the shaft body 100 and the assembly of the shaft body, the infusion tube 300, and the heat exchange structure 200.
The diameter of second body segment 150 is greater than the diameter of first body segment 140 and the diameter of second body segment 150 is greater than the diameter of third body segment 160. The motor includes the iron core, and the outside of second body section 150 can be located to the iron core, so, can increase the internal diameter of iron core, and the external diameter of iron core is unchangeable, and the increase of iron core internal diameter can increase the ratio of the internal and external diameters of iron core to alleviate the weight of iron core, and then can alleviate the holistic weight of motor.
The first body segment 140 is provided with a first sub-cavity 141, the first liquid inlet 120 is disposed on the first body segment 140, the shaft cavity 110 includes the first sub-cavity 141, the first sub-cavity 141 is a liquid input channel communicated with the tube cavity 310, the first liquid inlet 120 is communicated with the first sub-cavity 141, and the first sub-cavity 141 and the infusion tube 300 are coaxially disposed. In this case, the first body section 140 forms a liquid passage for the heat-exchange liquid, communicating the first liquid inlet 120 and the tube cavity 310, so that the heat-exchange liquid can enter the tube cavity 310 through the first liquid inlet 120 and then enter the heat exchange space through the tube cavity 310.
A first end of the infusion tube 300 may interferingly line the end of the fluid input channel. In this case, the infusion tube 300 and the first body segment 140 are connected by interference fit, and the first body segment 140 provides an installation structure for installing the infusion tube 300. Specifically, the first end of the infusion tube 300 is in sealing fit with the end of the liquid input channel, so that the first sub-cavity 141 and a later-described fourth sub-cavity 142 are sealed and isolated at the position where the first end of the infusion tube 300 is located, and therefore the heat-exchange liquid is ensured to enter the tube cavity 310 from the first sub-cavity 141 and then enter the second sub-cavity 151 and the fourth sub-cavity 142 from the tube cavity 310.
In this application embodiment, among the first end interference inside lining of transfer line 300 and first sub-chamber 141, the second end interference inside lining of transfer line 300 is in third sub-chamber 161, reinforcing transfer line 300 and the joint strength of axle body 100, and then promote the assembly reliability of power axle.
The inner wall of the fourth sub-cavity 142 includes a first tapered section 1421, a first diameter section 1422 and a second tapered section 1423 which are sequentially connected along a direction away from the second body segment 150, the end with the larger opening of the first tapered section 1421 is communicated with the second sub-cavity 151, the end with the smaller opening of the first tapered section 1421 is communicated with the first diameter section 1422, the end with the larger opening of the second tapered section 1423 is communicated with the first diameter section 1422, the end with the smaller opening of the second tapered section 1423 is adjacent to the first sub-cavity 141, and the first liquid outlet 130 is arranged on the second tapered section 1423.
Under this condition, the contained angle between the inner wall of second subchamber 151 and first toper section 1421 is greater than 90 degrees, the contained angle between first constant diameter section 1422 and the second toper section 1423 is greater than 90 degrees, can avoid heat transfer liquid to pile up the position of linking at second subchamber 151 and fourth subchamber 142, also can avoid heat transfer liquid to pile up the position of linking at first constant diameter section 1422 and second toper section 1423, have certain alleviating effect to the formation in dead oil district, be convenient for heat transfer liquid smooth flow out from first liquid outlet 130, and then increase radiating efficiency.
In order to ensure the connection strength between the infusion tube 300 and the shaft body 100, the infusion tube 300 is provided with a stress relief groove 330, and the stress relief groove 330 is located at the connection position between the infusion tube 300 and the shaft body 100. In the present embodiment, the stress relief notch 330 can be located at an interference fit between the first end of the infusion tube 300 and the first body segment 140, or the stress relief notch 330 can be located at an interference fit between the second end of the infusion tube 300 and the third body segment 160.
In this case, stress release when the infusion tube 300 and the shaft body 100 are attached can be ensured, the connection strength between the infusion tube 300 and the shaft body 100 can be enhanced, and the reliability of the power shaft can be ensured.
In a further technical scheme, the infusion tube 300 can be processed and produced in a drawing mode or in an extrusion mode, so that the production cost is reduced, and the production efficiency is improved.
Based on the power shaft of the above-mentioned embodiment of this application, this application embodiment also discloses a motor, and the motor that discloses includes above-mentioned embodiment the power shaft. The derivation process of the beneficial effect generated by the motor is substantially similar to the derivation process of the beneficial effect brought by the motor, and therefore, the description is omitted.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. The power shaft of the motor is characterized by comprising a shaft body (100), a heat exchange structure (200) and a liquid conveying pipe (300) for conveying heat exchange liquid, wherein:
the shaft body (100) is provided with a shaft cavity (110), a first liquid inlet (120) and a first liquid outlet (130);
the infusion tube (300) is arranged in the shaft cavity (110), a heat exchange space is formed between the infusion tube (300) and the shaft body (100), the infusion tube (300) is provided with a tube cavity (310) and a second liquid outlet (320), the first liquid inlet (120) is communicated with the tube cavity (310), the heat exchange space is communicated with the tube cavity (310) through the second liquid outlet (320), and the heat exchange space is communicated with the first liquid outlet (130);
the heat exchange structure (200) is arranged in the heat exchange space and is connected with at least one of the shaft body (100) and the infusion tube (300).
2. The power shaft according to claim 1, wherein the heat exchanging structure (200) comprises a plurality of first heat exchanging elements (210), the plurality of first heat exchanging elements (210) are all arranged in the heat exchanging space, the plurality of first heat exchanging elements (210) are evenly distributed around the axis of the infusion tube (300), a first end of the first heat exchanging element (210) is connected to the infusion tube (300), and a second end of the first heat exchanging element (210) extends in the radial direction of the infusion tube (300) in the direction away from the infusion tube (300).
3. The power shaft according to claim 2, characterized in that the heat exchanging structure (200) further comprises a second heat exchanger (220), and a plurality of the second heat exchangers (220) are symmetrically arranged on opposite sides of at least one of the plurality of first heat exchangers (210).
4. The power shaft according to claim 2, characterized in that the heat exchanging structure (200) further comprises a lining tube (230), the lining tube (230) lining the inner wall of the shaft cavity (110), the second end of the first heat exchanging element (210) being fixedly connected to the lining tube (230).
5. The power shaft according to claim 4, characterized in that the first heat exchanging element (210) is a heat exchanging strip extending from the first end of the inner lining tube (230) to the second end of the inner lining tube (230) and parallel to the axial direction of the infusion tube (300).
6. Power shaft according to claim 1, characterized in that the shaft body (100) comprises a first body section (140), a second body section (150) and a third body section (160) in a consecutive, coaxial arrangement, wherein:
the motor comprises an iron core which is arranged outside the second body section (150);
the diameter of the second body segment (150) is greater than the diameter of the first body segment (140), the diameter of the second body segment (150) is greater than the diameter of the third body segment (160);
the second body segment (150) comprises a second sub-cavity (151), the shaft cavity (110) comprises the second sub-cavity (151), at least part of the infusion tube (300) is arranged in the second sub-cavity (151), at least part of the heat exchange space is formed between the second sub-cavity (151), and the heat exchange structure (200) is arranged in the second sub-cavity (151).
7. The power shaft according to claim 6, characterized in that the first body segment (140) is provided with a first sub-cavity (141), the first liquid inlet (120) is provided on the first body segment (140) and is communicated with the first sub-cavity (141), the shaft cavity (110) comprises the first sub-cavity (141), the first sub-cavity (141) is a liquid input channel communicated with the tube cavity (310), the first sub-cavity (141) is coaxially arranged with the infusion tube (300), and the first end of the infusion tube (300) is lined at the end of the liquid input channel in an interference manner.
8. Power shaft according to claim 6, characterized in that the third body segment (160) is provided with a third subcavity (161), the shaft cavity (110) containing the third subcavity (161), the second end of the infusion tube (300) being interference lined in the third subcavity (161), the third subcavity (161) being in communication with the second subcavity (151).
9. The power shaft according to claim 8, characterized in that the first body segment (140) is provided with a fourth subcavity (142), the shaft cavity (110) contains the fourth subcavity (142), the fourth subcavity (142) is in communication with the second subcavity (151), the first liquid outlet (130) opens at a location of the first body segment (140) for enclosing the fourth subcavity (142), and the second liquid outlet (320) opens at a location of the infusion tube (300) in the third subcavity (161).
10. The power shaft according to claim 9, characterized in that the inner wall of the fourth sub-cavity (142) comprises a first conical section (1421), a first radial section (1422) and a second conical section (1423) which are sequentially connected in a direction away from the second body section (150), wherein the end with the larger opening of the first conical section (1421) is communicated with the second sub-cavity (151), the end with the larger opening of the second conical section (1423) is communicated with the first radial section (1522), and the first liquid outlet (130) is opened on the second conical section (1423).
11. Power shaft according to claim 1, characterized in that the infusion tube (300) is provided with a stress relief groove (330), the stress relief groove (330) being located at the connection position of the infusion tube (300) and the shaft body (100).
12. An electrical machine, comprising a power shaft according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210147714.XA CN114649899A (en) | 2022-02-17 | 2022-02-17 | Power shaft of motor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210147714.XA CN114649899A (en) | 2022-02-17 | 2022-02-17 | Power shaft of motor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114649899A true CN114649899A (en) | 2022-06-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210147714.XA Pending CN114649899A (en) | 2022-02-17 | 2022-02-17 | Power shaft of motor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114649899A (en) |
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|---|---|---|---|---|
| FR2212524A1 (en) * | 1972-12-29 | 1974-07-26 | Travaglini Artemio | |
| JP2001008413A (en) * | 1999-06-21 | 2001-01-12 | Kamui Sangyo Kk | Method for cooling built-in electric motor |
| US20090096300A1 (en) * | 2007-10-15 | 2009-04-16 | Oyoung Shioping P | Light weight low cost motor housing and cooling fin assembly |
| DE102017102151A1 (en) * | 2017-02-03 | 2018-08-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electric machine |
| CN208108878U (en) * | 2018-02-12 | 2018-11-16 | 深圳易信科技股份有限公司 | A kind of vapor liquid heat exchange device |
| CN108880022A (en) * | 2018-06-19 | 2018-11-23 | 清华大学 | A kind of outer rotor self-loopa liquid cooling permanent-magnetic motor |
| CN110311506A (en) * | 2018-03-27 | 2019-10-08 | 大众汽车有限公司 | Fluid distributor for fluid cooling hollow axis |
| DE102018213375A1 (en) * | 2018-08-09 | 2020-02-13 | Contitech Mgw Gmbh | heat exchangers |
| CN112467911A (en) * | 2020-10-28 | 2021-03-09 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Rotating shaft structure and driving motor |
| WO2022027742A1 (en) * | 2020-08-03 | 2022-02-10 | 华中科技大学 | Integrated air-cooled axial flux motor |
-
2022
- 2022-02-17 CN CN202210147714.XA patent/CN114649899A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2212524A1 (en) * | 1972-12-29 | 1974-07-26 | Travaglini Artemio | |
| JP2001008413A (en) * | 1999-06-21 | 2001-01-12 | Kamui Sangyo Kk | Method for cooling built-in electric motor |
| US20090096300A1 (en) * | 2007-10-15 | 2009-04-16 | Oyoung Shioping P | Light weight low cost motor housing and cooling fin assembly |
| DE102017102151A1 (en) * | 2017-02-03 | 2018-08-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electric machine |
| CN208108878U (en) * | 2018-02-12 | 2018-11-16 | 深圳易信科技股份有限公司 | A kind of vapor liquid heat exchange device |
| CN110311506A (en) * | 2018-03-27 | 2019-10-08 | 大众汽车有限公司 | Fluid distributor for fluid cooling hollow axis |
| CN108880022A (en) * | 2018-06-19 | 2018-11-23 | 清华大学 | A kind of outer rotor self-loopa liquid cooling permanent-magnetic motor |
| DE102018213375A1 (en) * | 2018-08-09 | 2020-02-13 | Contitech Mgw Gmbh | heat exchangers |
| WO2022027742A1 (en) * | 2020-08-03 | 2022-02-10 | 华中科技大学 | Integrated air-cooled axial flux motor |
| CN112467911A (en) * | 2020-10-28 | 2021-03-09 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Rotating shaft structure and driving motor |
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