CN217401443U - Heat dissipation bearing and superconducting motor with same - Google Patents
Heat dissipation bearing and superconducting motor with same Download PDFInfo
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- CN217401443U CN217401443U CN202123320597.2U CN202123320597U CN217401443U CN 217401443 U CN217401443 U CN 217401443U CN 202123320597 U CN202123320597 U CN 202123320597U CN 217401443 U CN217401443 U CN 217401443U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
The utility model relates to a heat dissipation bearing and have superconducting motor of heat dissipation bearing, heat dissipation bearing include the inner shaft cover and outer shaft cover that the concentric cover was established, be provided with first stock solution chamber in the inner shaft cover, first stock solution chamber is along the cyclic annular cavity of inner shaft cover, first stock solution chamber with the coaxial setting of inner shaft cover; a second liquid storage cavity is arranged in the outer shaft sleeve, the second liquid storage cavity is an annular cavity along the outer shaft sleeve, and the second liquid storage cavity and the outer shaft sleeve are coaxially arranged; the first liquid storage cavity and the second liquid storage cavity are both communicated with a liquid conveying pipe, and cooling liquid is filled into the first liquid storage cavity and the second liquid storage cavity through the liquid conveying pipe; the superconducting motor comprises a machine body, wherein a rotor core is arranged in the machine body, and two ends of the rotor core are respectively arranged in inner shaft sleeves of the two heat dissipation bearings. The utility model discloses a heat that the friction produced is neutralized to the heat dissipation bearing, can not make the inside temperature of organism rise.
Description
Technical Field
The utility model belongs to the technical field of superconducting device technique and specifically relates to indicate a heat dissipation bearing and have superconducting motor of heat dissipation bearing.
Background
The superconducting motor is a motor which is made of a superconducting material for an excitation winding and is wound by a lead wire capable of bearing high-density current in a strong magnetic field, and the superconducting excitation winding generates large magnetomotive force by utilizing the characteristic that the resistance of the superconducting material becomes zero in a low-temperature environment and the characteristic that a superconducting strip bears large current, so that the strong magnetic field is generated in an air gap and a stator winding, and the electromechanical energy conversion is completed.
When the superconducting motor is in motion, in order to ensure normal operation of the rotor, bearings need to be installed at two ends of the rotor, and the positions of the bearings need to be arranged on front and rear shells of the motor, so that the positions of the rotor are further limited by limiting the positions of the bearings.
The existing superconducting motor has the following defects: when the motor runs, the built-in rotor of the motor rotates at a high speed, at the moment, certain relative friction exists between the two ends of the rotor and the bearing, heat is generated, heat leakage loss is increased, the efficiency of the system is reduced due to large heat leakage loss, and the running performance of the built-in superconducting coil of the motor is even further influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the problem of the heat leakage loss that produces with the bearing friction that supports the rotor core when overcoming prior art high-speed rotation of rotor core provides a heat dissipation bearing and has heat dissipation bearing's superconducting motor, through the heat neutralization that heat dissipation bearing produced the friction, can not make the inside temperature of organism rise.
In order to solve the technical problem, the utility model provides a heat dissipation bearing, which comprises an inner shaft sleeve and an outer shaft sleeve which are concentrically sleeved,
a first liquid storage cavity is arranged in the inner shaft sleeve, the first liquid storage cavity is an annular cavity along the inner shaft sleeve, and the first liquid storage cavity and the inner shaft sleeve are coaxially arranged;
a second liquid storage cavity is arranged in the outer shaft sleeve, the second liquid storage cavity is an annular cavity along the outer shaft sleeve, and the second liquid storage cavity and the outer shaft sleeve are coaxially arranged;
the first liquid storage cavity and the second liquid storage cavity are communicated with a liquid conveying pipe, and cooling liquid is filled into the first liquid storage cavity and the second liquid storage cavity through the liquid conveying pipe.
The utility model discloses an in the embodiment, set up the radiating groove coaxial with interior axle sleeve on the cross-section lateral wall of interior axle sleeve, be provided with the radiating ring in the radiating groove, first stock solution chamber is seted up in the radiating ring.
The utility model discloses an embodiment, the second stock solution chamber is directly seted up between outer axle sleeve inner wall and the outer axle sleeve outer wall.
The utility model discloses an embodiment, the second stock solution intracavity is provided with the supporting shoe that a plurality of circumference evenly encircled the setting, the both ends of supporting shoe respectively with outer axle sleeve inner wall and outer axle sleeve outer wall connection, the width of supporting shoe is less than the width in second stock solution chamber.
In an embodiment of the present invention, the first liquid storage chamber and the second liquid storage chamber are respectively communicated with the infusion tube through a first liquid inlet pipe and a second liquid inlet pipe.
The utility model discloses an embodiment, still be provided with the ball between inner sleeve and the outer axle sleeve, the inner groovy of annular form is seted up to the inboard intermediate position of outer axle sleeve, the outer recess of annular form is seted up to the outside intermediate position of inner sleeve, the ball is set up between inner groovy and the outer recess.
In order to solve the technical problem, the utility model provides a still one kind has the superconducting motor of heat dissipation bearing, be provided with the rotor core in the organism, follow the extending direction of rotor core both ends are provided with protecgulum and hou gai, its characterized in that respectively around the organism: the front cover and the rear cover are both provided with the heat dissipation bearings, and two ends of the rotor core are respectively arranged in the inner shaft sleeves of the two heat dissipation bearings.
The utility model discloses an in one embodiment be provided with the stopper on the inner wall of interior axle sleeve be provided with on the rotor core with the spacing groove that the stopper matches.
The utility model discloses an embodiment, front cover and back lid internally mounted heat dissipation bearing's structure is the same the front cover all is provided with the boss of inside protrusion on the back lid, outer axle sleeve installs on the boss.
In an embodiment of the present invention, an avoiding groove is formed in the boss, and the second liquid inlet pipe passes through the avoiding groove and communicates with the infusion tube.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the heat dissipation bearing is characterized in that a first liquid storage cavity and a second liquid storage cavity are respectively arranged in the inner shaft sleeve and the outer shaft sleeve, and cooling liquid is respectively filled in the first liquid storage cavity and the second liquid storage cavity through liquid conveying pipes, so that when the bearing is at high temperature, the temperature of the inner shaft sleeve is reduced by using the cooling liquid stored in the first liquid storage cavity in a physical heat exchange mode through injecting the cooling liquid, and similarly, the surface temperature of the outer shaft sleeve is reduced by using the cooling liquid stored in the second liquid storage cavity, and the bearing is subjected to heat exchange and cooling treatment;
superconducting motor with heat dissipation bearing, adopt above-mentioned heat dissipation bearing to support the rotor core, when the rotor core drives the interior axle sleeve and carries out high-speed rotation, because the heat that the friction produced is neutralized by lower interior axle sleeve of temperature and outer axle sleeve, can not make the inside temperature of organism rise, influence the inside superconducting coil's of organism performance, make superconducting motor performance maintain at rated operating condition.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the heat-dissipating bearing of the present invention;
fig. 2 is a schematic view of the overall structure of the heat dissipating bearing shown in fig. 1 from another view angle according to the present invention;
fig. 3 is a schematic diagram of a left-right cross-sectional structure of the heat dissipating bearing of the present invention;
fig. 4 is a schematic front-back sectional structure view of the heat dissipating bearing of the present invention;
fig. 5 is a schematic view of the overall structure of the superconducting motor with the heat dissipating bearing according to the present invention;
fig. 6 is a schematic view of the overall structure of the superconducting motor with the heat dissipating bearing according to another view of fig. 5;
fig. 7 is a schematic sectional view of the assembly of the rear cover and the bearing according to the present invention;
fig. 8 is a schematic cross-sectional view of the assembly of the rear cover and the bearing of fig. 7 from another perspective according to the present invention.
The specification reference numbers indicate: 1. a body; 2. a rotor core; 21. a limiting groove; 3. a front cover; 4. a rear cover; 5. a heat dissipating bearing; 51. an inner sleeve; 511. a first reservoir chamber; 512. a heat sink; 513. a heat dissipation ring; 514. an outer groove; 515. a limiting block; 52. an outer sleeve; 521. a second reservoir chamber; 522. a support block; 523. an inner groove; 53. a ball bearing; 6. a transfusion tube; 7. a first liquid inlet pipe; 8. a second liquid inlet pipe; 9. a boss; 91. avoiding the groove.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 4, the heat dissipating bearing 5 of the present invention includes an inner shaft sleeve 51 and an outer shaft sleeve 52 concentrically sleeved, the inner shaft sleeve 51 and the outer shaft sleeve 52 can rotate relatively, a ball 53 is disposed between the inner shaft sleeve 51 and the outer shaft sleeve 52, and the inner shaft sleeve 51 and the outer shaft sleeve 52 rotate relatively by the rotation of the ball 53;
a first liquid storage cavity 511 is arranged in the inner shaft sleeve 51, the first liquid storage cavity 511 is an annular cavity arranged along the circumferential extension direction of the inner shaft sleeve 51, and the first liquid storage cavity 511 and the inner shaft sleeve 51 are coaxially arranged;
a second liquid storage cavity 521 is formed in the outer shaft sleeve 52, the second liquid storage cavity 521 is an annular cavity arranged along the circumferential extension direction of the outer shaft sleeve 52, and the second liquid storage cavity 521 is coaxially arranged with the outer shaft sleeve 52;
the first liquid storage cavity 511 and the second liquid storage cavity 521 are both communicated with a liquid conveying pipe, and cooling liquid is filled into the first liquid storage cavity 511 and the second liquid storage cavity 521 through the liquid conveying pipe;
the heat radiation bearing 5 of this embodiment, the same with current ball bearing's motion mode, the difference with current ball bearing lies in, set up first stock solution chamber 511 and second stock solution chamber 521 in inner sleeve 51 and outer sleeve 52 respectively, pack the coolant liquid to first stock solution chamber 511 and second stock solution chamber 521 intussuseption respectively through the transfer line, can be when the bearing is high temperature, through pouring into the coolant liquid into, through the mode of physics heat transfer, utilize the inside coolant liquid of storing in first stock solution chamber 511 to make inner sleeve 51 temperature reduction, and the same principle, the coolant liquid that utilizes the inside storage in second stock solution chamber 521 makes outer sleeve 52 surface temperature reduce, carry out heat transfer cooling to the bearing and handle.
Specifically, the liquid storage cavity may be disposed in the shaft sleeve in various ways, in this embodiment, taking two ways as an example, the first liquid storage cavity 511 and the second liquid storage cavity 521 are respectively disposed in the inner shaft sleeve 51 and the outer shaft sleeve 52 in two ways;
the first mode is as follows: the first liquid storage cavity 511 is externally arranged in the inner shaft sleeve 51, the side wall of the cross section of the inner shaft sleeve 51 is provided with a heat dissipation groove 512 which is coaxial with the inner shaft sleeve 51, a heat dissipation ring 513 is arranged in the heat dissipation groove 512, the first liquid storage cavity 511 is arranged in the heat dissipation ring 513, the external arrangement mode is adopted, the heat dissipation ring 513 is additionally arranged in the heat dissipation groove 512 by arranging the heat dissipation groove 512 at one side of the inner shaft sleeve 51, and the mode is more suitable for arranging the first liquid storage cavity 511 in the inner shaft sleeve 51 because the size of the inner shaft sleeve 51 is smaller, on one hand, the first liquid storage cavity 511 is not easy to be directly arranged in the inner shaft sleeve 51, and on the other hand, if the first liquid storage cavity 511 is directly arranged in the inner shaft sleeve 51, the internal structure of the inner shaft sleeve 51 is changed, the self supporting force in the inner shaft sleeve 51 is further reduced, and the inner shaft sleeve 51 is easy to deform during working;
the second mode is as follows: the second liquid storage cavity 521 is arranged in the outer shaft sleeve 52, the second liquid storage cavity 521 is directly arranged between the inner wall of the outer shaft sleeve and the outer wall of the outer shaft sleeve, the second liquid storage cavity 521 can be directly arranged in the outer shaft sleeve 52 due to the fact that the size of the outer shaft sleeve 52 is large, in order to avoid influencing the self supporting performance of the outer shaft sleeve 52, a plurality of supporting blocks 522 which are circumferentially and uniformly arranged in a surrounding mode are arranged in the second liquid storage cavity 521, two ends of each supporting block 522 are respectively connected with the inner wall of the outer shaft sleeve and the outer wall of the outer shaft sleeve, the width of each supporting block 522 is smaller than that of the second liquid storage cavity 511, the supporting blocks 522 are arranged to avoid influencing the communication of the second liquid storage cavity 521, the internal strength of the outer shaft sleeve 52 can be further improved, and the strength of the outer shaft sleeve 52 is prevented from being reduced due to the arrangement of the second liquid storage cavity 521.
Specifically, the cooling liquid used in this embodiment is liquid nitrogen, which is liquid nitrogen, inert, colorless, odorless, non-corrosive, nonflammable, and extremely low in temperature; under normal pressure, the temperature of liquid nitrogen is-196 ℃; 1 cubic meter of liquid nitrogen can expand to 696 cubic meter of pure gaseous nitrogen at 21 ℃; liquid nitrogen is a liquid form formed by nitrogen gas at low temperature, the boiling point of nitrogen is-196 ℃, and liquid nitrogen is formed at normal atmospheric pressure at temperatures below this.
Specifically, in order to prevent the balls 53 from rolling out from between the inner sleeve 51 and the outer sleeve 52, an inner groove 523 in a ring shape is formed in the middle position of the inner side of the outer sleeve 52, an outer groove 514 in a ring shape is formed in the middle position of the outer side of the inner sleeve 51, the balls 53 are arranged between the inner groove 523 and the outer groove 514, and the moving direction of the balls 53 is limited by the inner groove 523 and the outer groove 514.
Example 2
Referring to fig. 5 to 8, this embodiment provides a superconducting motor having the above heat dissipation bearing based on the above embodiment 1, where the superconducting motor includes a body 1, a rotor core 2 is disposed in the body 1, a front cover 3 and a rear cover 4 are disposed at front and rear ends of the body 1 along an extending direction of the rotor core 2, heat dissipation bearings 5 are disposed on the front cover 3 and the rear cover 4, two ends of the rotor core 2 are respectively mounted in inner sleeves 51 of the two heat dissipation bearings 5, through holes are disposed at central positions of the front cover 3 and the rear cover 4, a diameter of each through hole is the same as a diameter of the rotor core 2, the rotor core 2 passes through the two heat dissipation bearings 5 and then penetrates through the through holes, the heat dissipation bearings 5 are disposed to prevent the rotor core 2 from directly contacting the front cover 3 and the rear cover 4, the front cover 3 and the rear cover 4 disposed at front and rear ends of the body 1 play a role in limiting the rotor core 2, the rotor core 2 is controlled to only rotate, and the rotor core 2 cannot move back and forth;
specifically, first stock solution chamber 511 and second stock solution chamber 521 are respectively through first feed liquor pipe 7 and second feed liquor pipe 8 and transfer line 6 intercommunication, in this embodiment, are provided with two first feed liquor pipes 7, first stock solution chamber 511 communicates with two first feed liquor pipes 7 respectively, is provided with two second feed liquor pipes 8, second stock solution chamber 521 respectively with two second feed liquor pipe 8 intercommunications, transfer line 6 simultaneously with two first feed liquor pipes 7 and two second feed liquor pipe 8 intercommunications, can fill the coolant liquid in first stock solution chamber 511 and second stock solution chamber 521 in step through transfer line 6, reduce the coolant liquid and add the step, improve coolant liquid and add efficiency.
In the superconducting motor with the heat-dissipating bearing 5 of the embodiment, the heat-dissipating bearing 5 is adopted to support the rotor core 2, and when the rotor core 2 drives the inner shaft sleeve 51 to rotate at a high speed, the heat generated by friction is neutralized by the inner shaft sleeve 51 and the outer shaft sleeve 52 with lower temperature, so that the temperature inside the machine body is not increased, the performance of a superconducting coil inside the machine body is not affected, and the performance of the superconducting motor is maintained in a rated operation state.
The key point of this embodiment is how to install the heat-dissipating bearing 5 on the superconducting motor of this embodiment, so as to realize the linkage between the heat-dissipating bearing 5 and the superconducting motor:
specifically, in order to realize the linkage of the rotor core 2 and the inner shaft sleeve 51, the inner wall of the inner shaft sleeve 51 is provided with a limiting block 515, the rotor core 2 is provided with a limiting groove 21 matched with the limiting block 515, in this embodiment, the inner wall of the inner shaft sleeve 51 is provided with two symmetrical limiting blocks 515, and the rotor core 2 drives the inner shaft sleeve 51 to rotate through the clamping connection of the limiting blocks 515 and the limiting groove 21;
specifically, the heat dissipation groove 512 of the present embodiment is opened at one side abutting against the front cover 3 and the rear cover 4, the heat dissipation ring 513 is fixed on the front cover 3 and the rear cover 4, and the first liquid inlet pipe 7 is also fixed on the front cover 3 and the rear cover 4;
specifically, the structures of the heat dissipation bearings installed inside the front cover 3 and the rear cover 4 are the same, bosses 9 protruding inwards are arranged on the front cover 3 and the rear cover 4, and the outer shaft sleeve 52 is installed on the bosses 9; since the second liquid inlet pipe 521 is disposed on the outer sleeve 52 in this embodiment, in order to lead the second liquid inlet pipe 521 out of the boss 9, an avoiding groove 91 is formed in the boss 9, and the second liquid inlet pipe 521 passes through the avoiding groove 91 and is communicated with the infusion tube 6.
Specifically, the assembly process and the working principle of the superconducting motor of the embodiment are as follows:
firstly, assembling a machine body 1, enabling two ends of a rotor core 2 to respectively penetrate through a front cover 3 and a rear cover 4, installing a heat dissipation bearing 5 consisting of an outer shaft sleeve 51, an inner shaft sleeve 52 and balls 53 inside a boss 9, limiting the rotor core 2 by utilizing the heat dissipation bearing 5 installed inside the front cover 3 and the rear cover 4, enabling the rotor core 2 to be locally positioned inside the inner shaft sleeve 51 through the matching of a limiting groove 21 and a limiting block 525, in the installation process of the heat dissipation bearing 5, installing a heat dissipation ring 513 fixed on one side of the front cover 3 and the rear cover 4 inside a heat dissipation groove 512 arranged on one side of the inner shaft sleeve 51, enabling two groups of second liquid inlet pipes 8 arranged on the side surface of the outer shaft sleeve 52 to penetrate through the front cover 3 or the rear cover 4 to be connected with a liquid infusion pipe 6, meanwhile, connecting the other two groups of interfaces of the liquid infusion pipe 6 with a first liquid inlet pipe 7, when the machine body is started, enabling the rotor core 2 to rotate to drive the inner shaft sleeve 51 to rotate, in the rotation process of the inner shaft sleeve 51, the friction occurs between the inner shaft sleeve 51, the outer shaft sleeve 52 and the ball 53, heat is generated in the friction process, the surface temperature of the heat dissipation ring 513 is reduced due to the liquid nitrogen stored in the first liquid storage cavity 511, the temperature of the inner shaft sleeve 51 is reduced by transferring the temperature through the heat dissipation ring 513, and similarly, the surface temperature of the outer shaft sleeve 52 is reduced by the liquid nitrogen stored in the second liquid storage cavity 521, so the heat generated by the friction is neutralized by the inner shaft sleeve 51 and the outer shaft sleeve 52 with lower temperature, the internal temperature of the machine body cannot be increased, the performance of a superconductor in the machine body is affected, and the performance peak value of the superconducting motor is maintained.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A heat radiation bearing comprises an inner shaft sleeve and an outer shaft sleeve which are concentrically sleeved, and is characterized in that,
a first liquid storage cavity is arranged in the inner shaft sleeve, the first liquid storage cavity is an annular cavity along the inner shaft sleeve, and the first liquid storage cavity and the inner shaft sleeve are coaxially arranged;
a second liquid storage cavity is arranged in the outer shaft sleeve, the second liquid storage cavity is an annular cavity along the outer shaft sleeve, and the second liquid storage cavity and the outer shaft sleeve are coaxially arranged;
the first liquid storage cavity and the second liquid storage cavity are communicated with a liquid conveying pipe, and cooling liquid is filled into the first liquid storage cavity and the second liquid storage cavity through the liquid conveying pipe.
2. The heat-dissipating bearing of claim 1, wherein: the heat dissipation structure is characterized in that a heat dissipation groove coaxial with the inner shaft sleeve is formed in the side wall of the cross section of the inner shaft sleeve, a heat dissipation ring is arranged in the heat dissipation groove, and the first liquid storage cavity is formed in the heat dissipation ring.
3. The heat-dissipating bearing of claim 1, wherein: the second liquid storage cavity is directly arranged between the inner wall of the outer shaft sleeve and the outer wall of the outer shaft sleeve.
4. The heat dissipating bearing of claim 3, wherein: a plurality of supporting blocks are arranged in the second liquid storage cavity in a circumferential and uniform surrounding mode, two ends of each supporting block are connected with the inner wall of the outer shaft sleeve and the outer wall of the outer shaft sleeve respectively, and the width of each supporting block is smaller than that of the second liquid storage cavity.
5. The heat dissipating bearing of claim 1, wherein: the first liquid storage cavity and the second liquid storage cavity are communicated with the liquid conveying pipe through a first liquid inlet pipe and a second liquid inlet pipe respectively.
6. The heat-dissipating bearing of claim 1, wherein: the novel bearing is characterized in that a ball is further arranged between the inner shaft sleeve and the outer shaft sleeve, an inner annular groove is formed in the middle position of the inner side of the outer shaft sleeve, an outer annular groove is formed in the middle position of the outer side of the inner shaft sleeve, and the ball is arranged between the inner annular groove and the outer annular groove.
7. The utility model provides a superconducting motor with heat dissipation bearing, includes the organism, be provided with the rotor core in the organism, follow the extending direction of rotor core both ends are provided with protecgulum and hou gai, its characterized in that respectively around the organism: the heat dissipation bearings of any one of claims 1 to 6 are arranged on the front cover and the rear cover, and two ends of the rotor core are respectively arranged in the inner shaft sleeves of the two heat dissipation bearings.
8. The superconducting electrical machine with a heat dissipating bearing of claim 7, wherein: and a limiting block is arranged on the inner wall of the inner shaft sleeve, and a limiting groove matched with the limiting block is arranged on the rotor core.
9. The superconducting electrical machine with a heat dissipating bearing of claim 7, wherein: the heat dissipation bearing is mounted in the front cover and the rear cover, the structures of the heat dissipation bearing are the same, bosses protruding inwards are arranged on the front cover and the rear cover, and the outer shaft sleeve is mounted on the bosses.
10. A superconducting electrical machine with heat dissipating bearing according to claim 9, wherein: an avoiding groove is arranged in the boss, the second liquid storage cavity is communicated with the infusion tube through a second liquid inlet pipe, and the second liquid inlet pipe passes through the avoiding groove and is communicated with the infusion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123320597.2U CN217401443U (en) | 2021-12-27 | 2021-12-27 | Heat dissipation bearing and superconducting motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123320597.2U CN217401443U (en) | 2021-12-27 | 2021-12-27 | Heat dissipation bearing and superconducting motor with same |
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| Publication Number | Publication Date |
|---|---|
| CN217401443U true CN217401443U (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123320597.2U Active CN217401443U (en) | 2021-12-27 | 2021-12-27 | Heat dissipation bearing and superconducting motor with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116014984A (en) * | 2023-03-28 | 2023-04-25 | 长沙润伟机电科技有限责任公司 | Cooling system for high-power motor |
-
2021
- 2021-12-27 CN CN202123320597.2U patent/CN217401443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116014984A (en) * | 2023-03-28 | 2023-04-25 | 长沙润伟机电科技有限责任公司 | Cooling system for high-power motor |
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