CN117477858B - Air-water cooled motor of half-and-half spliced type machine base - Google Patents
Air-water cooled motor of half-and-half spliced type machine base Download PDFInfo
- Publication number
- CN117477858B CN117477858B CN202311297874.3A CN202311297874A CN117477858B CN 117477858 B CN117477858 B CN 117477858B CN 202311297874 A CN202311297874 A CN 202311297874A CN 117477858 B CN117477858 B CN 117477858B
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- China
- Prior art keywords
- ring body
- base ring
- half base
- stator core
- spliced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 60
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses an air-water cooled motor of a half-spliced base, which comprises a spliced base formed by coaxially splicing a first half base ring body and a second half base ring body, wherein an annular stator core is arranged on the inner side of the spliced base, the stator core is fixed with the spliced base at the spliced position of the first half base ring body and the second half base ring body, and a motor rotor unit is coaxially arranged on the inner side of the stator core in a rotating way; the invention adopts the two-half type air-water cooling machine seat, so that the problem can not occur, and the design has the advantages of modularization and convenient production; wind water cooling may also be present to reduce the motor operating temperature.
Description
Technical Field
The invention belongs to the field of motors.
Background
In the design of traditional motor, owing to frame and end cover are split type, do not have unnecessary space arrangement water cooling passageway behind the wind channel and a plurality of vent behind the frame is set up on the frame, consequently wind cooling and water cooling can not exist simultaneously, and wind cooling and water cooling have respective characteristics, and the water cooling is more focused on the cooling to the iron core, and the air cooling is focused on the cooling to the winding coil, and is limited to the cooling effect of the iron core of parcel in the winding, and these two kinds of cooling methods have the cooling difference, bulky, be inconvenient for processing, problem such as secondary assembly in current structure.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides an air-water cooling motor with a half-spliced base, which can realize two modes of water cooling and air cooling simultaneously.
The technical scheme is as follows: in order to achieve the above purpose, the wind-water cooled motor of the half-spliced base comprises a spliced base formed by coaxially splicing a first half-base ring body and a second half-base ring body, wherein an annular stator core is arranged on the inner side of the spliced base, the stator core is fixed with the spliced base at the spliced position of the first half-base ring body and the second half-base ring body, and a motor rotor unit is coaxially arranged on the inner side of the stator core in a rotating manner.
Further, the joint of the first half base ring body and the second half base ring body is of a port structure.
Further, a plurality of ventilation openings are hollowed out in the peripheries of the first half base ring body and the second half base ring body, and the ventilation openings are distributed on two sides of the stator core.
Further, the inner walls of the first half base ring body and the second half base ring body are provided with wavy radiating ribs.
Further, the contour edges of one side, close to each other, of the first half base ring body and the second half base ring body are respectively provided with a plurality of first locking lugs and second locking lugs in an integrated mode, locking holes are formed in the first locking lugs and the second locking lugs, and each first locking lug corresponds to one second locking lug; each first lock lug is in locking connection with the corresponding second lock lug through a locking piece.
Further, the motor rotor unit comprises a rotary output ring shaft coaxial with the spliced base, two ends of the rotary output ring shaft are respectively in running fit with the inner walls of the first half base ring body and the second half base ring body through two bearings, and an annular permanent magnet rotor is fixed on the outer ring of the rotary output ring shaft in a coaxial manner.
Further, a circle of clamping ring grooves are formed at the inner sides of the splicing seams of the first half base ring body and the second half base ring body, a circle of embedded ring bodies are integrally arranged on the outer ring of the stator core, and the embedded ring bodies are embedded into the clamping ring grooves; the first half base ring body and the second half base ring body are tightly clamped in the clamping ring groove under the state of mutual locking.
Further, the upper end of the second half base ring body is provided with a liquid inlet, and the lower end of the first half base ring body is provided with a liquid outlet; a circle of annular guide liquid cooling channels are arranged in the stator core;
An a-section liquid inlet channel with the outer end communicated with a liquid inlet is arranged in the second semi-base ring body, a b-section liquid inlet channel communicated with the upper end of the annular guide liquid cooling channel is arranged at the upper part of the stator core, and the a-section liquid inlet channel and the b-section liquid inlet channel are communicated with each other at an a-joint surface extruded between the embedded ring body and the second semi-base ring body;
An a-section liquid outlet channel with the outer end communicated with a liquid outlet is arranged in the first half base ring body, a b-section liquid outlet channel communicated with the lower end of the annular liquid guide cooling channel is arranged at the lower part of the stator core, and the a-section liquid outlet channel and the b-section liquid outlet channel are mutually communicated at a b joint surface which is mutually extruded between the embedded ring body and the first half base ring body.
Furthermore, a sealing ring is arranged outside the communication part of the joint surface a and the joint surface b.
The beneficial effects are that: the invention adopts the two-half type air-water cooling machine seat, so that the problem can not occur, and the design has the advantages of modularization and convenient production; the wind water cooling can exist at the same time so as to reduce the running temperature of the motor; the secondary assembly is reduced, and the concentricity can be ensured; can be designed into a compact structure to solve the problem of narrow working environment; the scheme adopts the mutual combination of air cooling and water cooling, the water cooling mainly cools the temperature of the iron core, and the air cooling cools the winding end part and other heating areas.
Drawings
FIG. 1 is a schematic diagram of an overall motor;
FIG. 2 is an exploded view of the motor;
FIG. 3 is an enlarged schematic view of the portion of FIG. 2 at 22;
FIG. 4 is a cross-sectional view of the motor;
FIG. 5 is an enlarged schematic view of FIG. 4 at 8;
FIG. 6 is an enlarged schematic view of FIG. 4 at 15;
FIG. 7 is a cross-sectional view of a splice base;
FIG. 8 is a schematic view of a second base half ring structure.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The wind-water cooling motor of a half-spliced base as shown in fig. 1 to 8 comprises a spliced base 1 formed by splicing a first half base ring body 1.1 and a second half base ring body 1.2 coaxially, wherein the spliced part of the first half base ring body 1.1 and the second half base ring body 1.2 has a structure of a port, an annular stator iron core 9 is arranged at the inner side of the spliced base 1, a coil is wound on the stator iron core 9, the stator iron core 9 is fixed with the spliced base 1 at the spliced part of the first half base ring body 1.1 and the second half base ring body 1.2, and a motor rotor unit 21 is rotatably arranged at the inner side of the stator iron core 9 coaxially; the contour edges of one sides of the first half base ring body 1.1 and the second half base ring body 1.2, which are close to each other, are respectively provided with a plurality of first locking lugs 3 and second locking lugs 4 in an integrated manner, locking holes 5 are respectively arranged on the first locking lugs 3 and the second locking lugs 4, and each first locking lug 3 corresponds to one second locking lug 4; each first lock lug 3 is in locking connection with the corresponding second lock lug 4 through a locking piece, so that the first half base ring body 1.1 and the second half base ring body 1.2 are tightly combined; the motor rotor unit 21 comprises a rotary output ring shaft 12 coaxial with the spliced base 1, two ends of the rotary output ring shaft 12 are respectively in running fit with the inner walls of the first half base ring body 1.1 and the second half base ring body 1.2 through two bearings 14, and an annular permanent magnet rotor 13 is fixed on the outer ring of the rotary output ring shaft 12 in a coaxial manner.
The peripheries of the first half base ring body 1.1 and the second half base ring body 1.2 are hollowed out with a plurality of ventilation openings 6, and the ventilation openings 6 are distributed on two sides of the stator core 9; in order to improve the heat dissipation effect, the inner walls of the first half base ring body 1.1 and the second half base ring body 1.2 are provided with wavy heat dissipation ribs 16; the heat dissipation ribs 16 can gather heat generated in the running process of the motor, and the motor uses an external fan to blow air towards the inside of the motor through any ventilation opening 6, so that air circulation in the motor is accelerated; the heat of the heat winding coil is taken away, so that the cooling process of the motor is accelerated, supporting ribs are uniformly distributed in the heat dissipation ribs 16, and the integral structural strength of the motor is greatly enhanced besides the effect of enhancing heat dissipation; in this scheme, because a plurality of fretwork vent 6 on first half base ring body 1.1 and the second half base ring body 1.2 have already taken up a large amount of spaces, can't arrange a large amount of water-cooling channels on first half base ring body 1.1 and second half base ring body 1.2 again, still have the water-cooling effect under the condition of realizing the forced air cooling and designed following structure:
As shown in fig. 7, a ring of clamping ring groove 18 is formed inside the splicing seam 7 of the first half base ring body 1.3 and the second half base ring body 1.3, a ring of embedded ring body 17 is integrally arranged on the outer ring of the stator core 9, and the embedded ring body 17 is embedded in the clamping ring groove 18; the first half base ring body 1.3 and the second half base ring body 1.3 are tightly clamped in the clamping ring groove 18 in a mutually locked state, so that the stator core 9 is fixed, and meanwhile, in order to realize water cooling: as shown in fig. 4, 5 and 6, the upper end of the second half base ring body 1.2 is provided with a liquid inlet 10.1, and the lower end of the first half base ring body 1.1 is provided with a liquid outlet 10.2; a ring of annular liquid-conducting cooling channels 11 are arranged inside the stator core 9.
An a-section liquid inlet channel 31 with the outer end communicated with a liquid inlet 10.1 is arranged in the second semi-base ring body 1.2, a b-section liquid inlet channel 32 communicated with the upper end of the annular liquid guide cooling channel 11 is arranged at the upper part of the stator core 9, and the a-section liquid inlet channel 31 and the b-section liquid inlet channel 32 are mutually communicated at an a-joint surface 41 extruded between the embedded ring body 17 and the second semi-base ring body 1.2;
An a-section liquid outlet channel 33 with the outer end communicated with a liquid outlet 10.2 is arranged in the first half base ring body 1.1, a b-section liquid outlet channel 34 communicated with the lower end of the annular guide liquid cooling channel 11 is arranged at the lower part of the stator core 9, and the a-section liquid outlet channel 33 and the b-section liquid outlet channel 34 are mutually communicated at a b-joint surface 42 extruded between the embedded ring body 17 and the first half base ring body 1.1; in order to improve the sealing performance and prevent the leakage of the cooling water, a sealing ring 20 is arranged outside the communication position of the a-joint surface 41 and the b-joint surface 42, as shown in fig. 3.
Working principle: the assembling process of the stator core comprises the following steps: before the first half base ring body 1.1 and the second half base ring body 1.2 are spliced, the embedded ring body 17 of the outer ring of the stator core 9 is arranged between the first half base ring body 1.1 and the second half base ring body 1.2 and aligned, so that the embedded ring body 17 of the outer ring of the stator core 9 is embedded into a clamping ring groove 18 formed after splicing in the process of splicing the first half base ring body 1.1 and the second half base ring body 1.2; then the first locking lugs 3 and the corresponding second locking lugs 4 are mutually locked by locking pieces such as bolts, so that the embedded ring body 17 is tightly clamped in the clamping ring groove 18, the section a liquid inlet channel 31 and the section b liquid inlet channel 32 are mutually communicated at the joint surface a 41 mutually extruded between the embedded ring body 17 and the second half base ring body 1.2, and the section a liquid outlet channel 33 and the section b liquid outlet channel 34 are mutually communicated at the joint surface b mutually extruded between the embedded ring body 17 and the first half base ring body 1.1; the structure not only realizes the fixation of the stator core 9, but also realizes the smoothness of the liquid guide channel.
Air cooling principle: the heat dissipation ribs 16 can gather heat generated in the running process of the motor, and the motor uses an external fan to blow air towards the inside of the motor through any ventilation opening 6, so that air circulation in the motor is accelerated; the heat of the heat winding coil is taken away, the motor cooling process is further accelerated, supporting ribs are uniformly distributed in the heat dissipation ribs 16, and the overall structural strength of the motor is greatly enhanced besides the effect of enhancing heat dissipation.
Liquid cooling or water cooling principle: when the motor operates, under the drive of the water pump, cooling water is led into the section a liquid inlet channel 31 from the liquid inlet 10.1 in the second semi-base ring body 1.2, the cooling water entering the section a liquid inlet channel 31 flows out to the section b liquid inlet channel 32 at the upper part of the stator core 9 at the tightly extruded section a joint surface 41, then the cooling water in the section b liquid inlet channel 32 flows into the annular liquid guide cooling channel 11, then the cooling water in the annular liquid guide cooling channel 11 absorbs heat and flows out through the section b liquid outlet channel 34, and flows out to the section a liquid outlet channel 33 at the lower part of the stator core 9 at the tightly extruded section b joint surface 42, and finally the hot cooling water is discharged out to the outside through the liquid outlet 10.2, so that the aim of continuously cooling the stator core 9 is fulfilled.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (6)
1. An air-water cooled motor of a half-spliced base is characterized in that: the motor rotor comprises a spliced base (1) formed by splicing a first half base ring body (1.1) and a second half base ring body (1.2) coaxially, wherein an annular stator core (9) is arranged on the inner side of the spliced base (1), the stator core (9) is fixed with the spliced base (1) at the spliced position of the first half base ring body (1.1) and the second half base ring body (1.2), and a motor rotor unit (21) is coaxially arranged on the inner side of the stator core (9) in a rotating mode;
The peripheries of the first half base ring body (1.1) and the second half base ring body (1.2) are hollowed with a plurality of ventilation openings (6), and the ventilation openings (6) are distributed on two sides of the stator core (9);
a circle of clamping ring grooves (18) are formed inside the splicing seams (7) of the first half base ring body (1.3) and the second half base ring body (1.3), a circle of embedded ring bodies (17) are integrally arranged on the outer ring of the stator core (9), and the embedded ring bodies (17) are embedded into the clamping ring grooves (18); the first half base ring body (1.3) and the second half base ring body (1.3) are tightly clamped in the clamping ring groove (18) under the state of being mutually locked;
The upper end of the second semi-base ring body (1.2) is provided with a liquid inlet (10.1), and the lower end of the first semi-base ring body (1.1) is provided with a liquid outlet (10.2); a circle of annular liquid guide cooling channels (11) are arranged in the stator core (9);
An a-section liquid inlet channel (31) with the outer end communicated with a liquid inlet (10.1) is arranged in the second semi-base ring body (1.2), a b-section liquid inlet channel (32) communicated with the upper end of the annular liquid guide cooling channel (11) is arranged at the upper part of the stator core (9), and the a-section liquid inlet channel (31) and the b-section liquid inlet channel (32) are communicated with each other at an a joint surface (41) extruded between the embedded ring body (17) and the second semi-base ring body (1.2);
An a-section liquid outlet channel (33) with the outer end communicated with a liquid outlet (10.2) is arranged in the first half base ring body (1.1), a b-section liquid outlet channel (34) communicated with the lower end of the annular guide liquid cooling channel (11) is arranged at the lower part of the stator core (9), and the a-section liquid outlet channel (33) and the b-section liquid outlet channel (34) are mutually communicated at a b joint surface (42) extruded between the embedded ring body (17) and the first half base ring body (1.1).
2. The air-water cooled motor of a half-splice housing of claim 1, wherein: and a splicing part of the first half base ring body (1.1) and the second half base ring body (1.2) is of a port structure.
3. The air-water cooled motor of a half-splice housing of claim 1, wherein: the inner walls of the first half base ring body (1.1) and the second half base ring body (1.2) are respectively provided with wavy radiating ribs (16).
4. A wind-water cooled motor for a half-splice housing as claimed in claim 3, wherein: the profile edges of one sides, close to each other, of the first half base ring body (1.1) and the second half base ring body (1.2) are respectively provided with a plurality of first locking lugs (3) and second locking lugs (4) in an integrated mode, locking holes (5) are formed in the first locking lugs (3) and the second locking lugs (4), and each first locking lug (3) corresponds to one second locking lug (4); each first lock lug (3) is in locking connection with the corresponding second lock lug (4) through a locking piece.
5. The air-water cooled motor of a half-splice housing of claim 4, wherein: the motor rotor unit (21) comprises a rotary output ring shaft (12) coaxial with the spliced base (1), two ends of the rotary output ring shaft (12) are respectively in running fit with the inner walls of the first half base ring body (1.1) and the second half base ring body (1.2) through two bearings (14), and an annular permanent magnet rotor (13) is fixed on the outer ring of the rotary output ring shaft (12) coaxially.
6. The air-water cooled motor of a half-splice housing of claim 5, wherein: and sealing rings (20) are arranged outside the communication positions of the a joint surface (41) and the b joint surface (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311297874.3A CN117477858B (en) | 2023-10-09 | 2023-10-09 | Air-water cooled motor of half-and-half spliced type machine base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311297874.3A CN117477858B (en) | 2023-10-09 | 2023-10-09 | Air-water cooled motor of half-and-half spliced type machine base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117477858A CN117477858A (en) | 2024-01-30 |
| CN117477858B true CN117477858B (en) | 2024-05-17 |
Family
ID=89632203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311297874.3A Active CN117477858B (en) | 2023-10-09 | 2023-10-09 | Air-water cooled motor of half-and-half spliced type machine base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117477858B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002315284A (en) * | 2001-04-06 | 2002-10-25 | Sawafuji Electric Co Ltd | Alternator |
| AU2003268041A1 (en) * | 2002-05-07 | 2003-11-11 | Emu Unterwasserpumpen Gmbh | Driving motor, especially for a pump |
| CN107147260A (en) * | 2017-07-19 | 2017-09-08 | 沈阳工业大学 | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure |
| WO2020216595A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Stator of an electric machine |
| WO2021114606A1 (en) * | 2019-12-12 | 2021-06-17 | 中车永济电机有限公司 | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure |
| CN113381530A (en) * | 2021-06-18 | 2021-09-10 | 中车株洲电力机车研究所有限公司 | Totally-enclosed double-circulation air cooling motor structure |
| CN114785027A (en) * | 2022-04-27 | 2022-07-22 | 珠海格力电器股份有限公司 | Heat radiation assembly and motor |
| CN219287315U (en) * | 2023-03-27 | 2023-06-30 | 潍坊力创电子科技有限公司 | Heat radiation system of high-speed motor |
-
2023
- 2023-10-09 CN CN202311297874.3A patent/CN117477858B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002315284A (en) * | 2001-04-06 | 2002-10-25 | Sawafuji Electric Co Ltd | Alternator |
| AU2003268041A1 (en) * | 2002-05-07 | 2003-11-11 | Emu Unterwasserpumpen Gmbh | Driving motor, especially for a pump |
| CN107147260A (en) * | 2017-07-19 | 2017-09-08 | 沈阳工业大学 | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure |
| WO2020216595A1 (en) * | 2019-04-26 | 2020-10-29 | Robert Bosch Gmbh | Stator of an electric machine |
| WO2021114606A1 (en) * | 2019-12-12 | 2021-06-17 | 中车永济电机有限公司 | Air- and water-cooled high-power permanent magnet traction motor having a hanging structure |
| CN113381530A (en) * | 2021-06-18 | 2021-09-10 | 中车株洲电力机车研究所有限公司 | Totally-enclosed double-circulation air cooling motor structure |
| CN114785027A (en) * | 2022-04-27 | 2022-07-22 | 珠海格力电器股份有限公司 | Heat radiation assembly and motor |
| CN219287315U (en) * | 2023-03-27 | 2023-06-30 | 潍坊力创电子科技有限公司 | Heat radiation system of high-speed motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117477858A (en) | 2024-01-30 |
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