CN114915055A - Cooling structure of high-efficiency permanent magnet motor - Google Patents

Cooling structure of high-efficiency permanent magnet motor Download PDF

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Publication number
CN114915055A
CN114915055A CN202210459348.1A CN202210459348A CN114915055A CN 114915055 A CN114915055 A CN 114915055A CN 202210459348 A CN202210459348 A CN 202210459348A CN 114915055 A CN114915055 A CN 114915055A
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CN
China
Prior art keywords
wall body
ring
permanent magnet
stator
mounting
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Granted
Application number
CN202210459348.1A
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Chinese (zh)
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CN114915055B (en
Inventor
钱伟
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Jiangsu Aerospace Power Electric Co Ltd
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Jiangsu Aerospace Power Electric Co Ltd
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Priority to CN202210459348.1A priority Critical patent/CN114915055B/en
Publication of CN114915055A publication Critical patent/CN114915055A/en
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Publication of CN114915055B publication Critical patent/CN114915055B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/193Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Abstract

The invention discloses a cooling structure of a high-efficiency permanent magnet motor, which comprises a casing, wherein bases are arranged on two sides of the bottom of the casing, a rear end cover is arranged at the rear end of the casing, a front end cover is arranged at the front end of the casing, a stator is arranged on the wall body on the inner side of the casing, a coil is arranged in the stator, a mounting ring is arranged at the top of the stator, a liquid outlet pipe and a liquid inlet pipe are arranged in the mounting ring, a fixing ring is arranged above the inner side of the stator, a mounting plate is arranged in the casing in a gathering manner on the wall body above the mounting ring, and a rotor rotating shaft is arranged in the wall body at the central position of the coil. The invention discloses a cooling structure of a high-efficiency permanent magnet motor, and relates to the technical field of permanent magnet motor equipment.

Description

Cooling structure of high-efficiency permanent magnet motor
Technical Field
The invention relates to the technical field of permanent magnet motor equipment, in particular to a cooling structure of a high-efficiency permanent magnet motor.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, is represented by a letter M in a circuit, and mainly has the function of generating driving torque to serve as a power source of electric appliances or various machines.
The permanent magnet motor generally comprises a stator, a coil and the like, and most of the permanent magnet motors are cooled through a fan in a rear end cover, so that when the permanent magnet motor is used, the heat of the stator and the coil can be cooled only through single wind power, and further when the running torque of the permanent magnet motor is increased, the heat of the stator cannot be rapidly removed.
Therefore, a cooling structure of a high-efficiency permanent magnet motor is urgently needed to solve the above-mentioned defects.
Disclosure of Invention
The invention aims to provide a cooling structure of a high-efficiency permanent magnet motor, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a high-efficient permanent-magnet machine's cooling structure, includes the casing, chassis bottom both sides all are equipped with the base, the casing rear end is equipped with the rear end cap, the casing front end is equipped with the front end housing, be equipped with the stator on the wall body in the casing, be equipped with the coil in the stator, the stator top is equipped with the collar, be equipped with drain pipe and feed liquor pipe in the collar, stator inboard top is equipped with solid fixed ring, the inherent wall body that is located collar top position of casing gathers and is equipped with the mounting panel, be equipped with the rotor shaft in the wall body that coil central point put, rotor shaft top axis body passes the mounting panel and is equipped with the bolt, be equipped with the bearing in the wall body of bolt top, rotor shaft top still is equipped with the fan, the bearing is equipped with the back shaft, the drain pipe passes through cooling tube fixed connection with feed liquor pipe top.
Preferably, the bottom wall body of the mounting ring is fixedly mounted on the top wall body of the stator in a welding mode, and a mounting groove is formed in the inner side wall body of the mounting ring.
Preferably, the heliciform water conservancy diversion cavity has been seted up in the stator wall body, drain pipe and feed liquor pipe one end body are all pasted in water conservancy diversion cavity one end inner wall through glue, drain pipe and feed liquor pipe all with cavity intercommunication in the water conservancy diversion cavity, just the inboard mounting groove of collar is all passed to drain pipe and feed liquor pipe extends to mounting panel top position, equal fixed mounting has first connector on the one end outer wall of keeping away from the water conservancy diversion cavity with the feed liquor pipe to the drain pipe.
Preferably, the shaft body below the support shaft is inserted and arranged in the bearing of the wall body at the top of the bolt, a plurality of clamping grooves are formed in the outer wall of the upper portion of the support shaft, screw grooves are formed in the wall body at the top of the support shaft, and the top of the support shaft is further provided with a knob block.
Preferably, a stud is fixedly mounted on the wall body at the bottom of the knob block, and the stud is rotatably mounted in a thread groove in the top of the support shaft.
Preferably, equal fixed mounting has the second connector on the outer wall of cooling tube both ends, cooling tube both ends body is respectively through second connector fixed connection on the first connector of drain pipe and feed liquor pipe one end, just the cooling tube passes through drain pipe and feed liquor pipe and cavity intercommunication in the water conservancy diversion cavity, be equipped with a plurality of connecting rod between cooling tube outer wall and the back shaft.
Preferably, a lantern ring is arranged at one end of the connecting rod, a clamping block is fixedly arranged at the other end of the connecting rod, one end of the connecting rod is arranged on the radiating pipe in an inserting mode through the lantern ring, and the other end of the connecting rod is clamped in the corresponding clamping groove through the clamping block.
Preferably, the rotor rotating shaft is fixedly provided with a rotating block on the outer wall located below the fan, a second tooth groove is formed in the inner side wall body of the rotating block, a first tooth groove is formed in the inner side wall body of the fixing ring, a plurality of gears are arranged between the first tooth groove and the second tooth groove, and the top of the fixing ring is further provided with a driving ring.
Preferably, one side of the gear is meshed with the second tooth groove, the other side of the gear is meshed with the first tooth groove, and a fixed shaft is fixedly mounted in a wall body at the center of the gear through a mounting frame.
Preferably, the driving ring is rotatably installed in a rotating groove at the top of the fixing ring through a rotating ring at the bottom, a plurality of sleeve plates are fixedly installed on the inner wall of the driving ring, the sleeve plates are rotatably installed on the fixing shaft through rotating holes at one end, a plurality of pressure rods are fixedly installed on the wall body at the outer side of the driving ring, and one end of each pressure rod is slidably installed in the installation groove.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a cooling structure of a high-efficiency permanent magnet motor, which comprises the following components:
1. through the setting of the spiral circulating water conservancy diversion cavity in the stator and feed liquor pipe, transfer line, cooling tube, can derive the inside heat of stator fast, and then can discharge the heat in the stator and the heat in the casing fast.
2. Through the speed reduction setting of the solid fixed ring of commentaries on classics piece and gear, can drive the drive ring and rotate to the depression bar through the drive ring outer wall is with feed liquor pipe and transfer line reciprocal extrusion, and then makes the coolant liquid in the water conservancy diversion cavity advance the cooling tube heat dissipation and the circulation.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is an exploded view of the main body structure of the present invention;
FIG. 3 is an exploded view of the stator construction of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is an exploded view of the radiating pipe mounting structure of the present invention;
fig. 6 is an exploded view of the adjustment ring and gear mounting structure of the present invention.
In the figure: 1. a housing; 2. a base; 3. a rear end cap; 4. a front end cover; 5. a stator; 6. a coil; 7. a mounting ring; 8. a liquid outlet pipe; 9. a fixing ring; 10. mounting a plate; 11. a radiating pipe; 12. a rotor shaft; 13. a bolt; 14. a bearing; 15. a fan; 16. a flow guide cavity; 17. mounting grooves; 18. a liquid inlet pipe; 19. a first connector; 20. a first tooth slot; 21. a second connector; 22. a support shaft; 23. a connecting rod; 24. a collar; 25. a clamping block; 26. a card slot; 27. a screw groove; 28. a stud; 29. a knob block; 30. rotating the block; 31. a second tooth slot; 32. a gear; 33. a fixed shaft; 34. a drive ring; 35. sheathing; 36. a pressure lever.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the cooling structure of a high-efficiency permanent magnet motor provided by the present invention includes a casing 1, bases 2 are disposed on both sides of the bottom of the casing 1, a rear end cover 3 is disposed at the rear end of the casing 1, a front end cover 4 is disposed at the front end of the casing 1, a stator 5 is disposed on the inner side wall of the casing 1, a coil 6 is disposed in the stator 5, a mounting ring 7 is disposed at the top of the stator 5, a liquid outlet pipe 8 and a liquid inlet pipe 18 are disposed in the mounting ring 7, a fixing ring 9 is disposed above the inner side of the stator 5, a mounting plate 10 is disposed on the wall body of the casing 1 above the mounting ring 7 in a gathering manner, a rotor rotating shaft 12 is disposed in the wall body at the center of the coil 6, a shaft body above the rotor rotating shaft 12 passes through the mounting plate 10 and is disposed with a bolt 13, a bearing 14 is disposed in the wall body at the top of the bolt 13, a fan 15 is further disposed at the top of the rotor rotating shaft 12, a support shaft 22 is disposed on the bearing 14, and the liquid outlet pipe 8 is fixedly connected with the top of the liquid inlet pipe 18 through a heat dissipation pipe 11.
In the present embodiment, the bottom wall of the mounting ring 7 is fixedly mounted on the top wall of the stator 5 by welding, and the inner wall of the mounting ring 7 is provided with a mounting groove 17.
In this embodiment, a spiral flow guide cavity 16 is formed in a wall body of the stator 5, the liquid outlet pipe 8 and the liquid inlet pipe 18 are both adhered to an inner wall of one end of the flow guide cavity 16 through glue, the liquid outlet pipe 8 and the liquid inlet pipe 18 are both communicated with the inner wall of the flow guide cavity 16, the liquid outlet pipe 8 and the liquid inlet pipe 18 both penetrate through the mounting groove 17 on the inner side of the mounting ring 7 and extend to a position above the mounting plate 10, and the liquid outlet pipe 8 and the liquid inlet pipe 18 are both fixedly provided with first connectors 19 on outer walls of ends far away from the flow guide cavity 16.
In this embodiment, the shaft body below the supporting shaft 22 is inserted and installed in the bearing 14 of the top wall body of the bolt 13, a plurality of clamping grooves 26 are opened in the outer wall above the supporting shaft 22, a spiral groove 27 is opened in the top wall body of the supporting shaft 22, and a knob block 29 is further provided at the top of the supporting shaft 22.
In this embodiment, a stud 28 is fixedly mounted on the bottom wall of the knob block 29, and the stud 28 is rotatably mounted in a threaded groove 27 at the top of the support shaft 22.
In use, the supporting shaft 22 is rotatably installed in the bearing 14 at the top of the bolt 13, thereby ensuring that the supporting shaft 22 does not interfere with the support of the radiating pipe 11 by the connection rod 23 when the rotator rotating shaft 12 rotates.
In this embodiment, the outer walls of the two ends of the heat dissipation tube 11 are all fixedly mounted with the second connectors 21, the tube bodies of the two ends of the heat dissipation tube 11 are respectively fixedly connected to the first connectors 19 at one ends of the liquid outlet tube 8 and the liquid inlet tube 18 through the second connectors 21, the heat dissipation tube 11 is communicated with the cavity inside the diversion cavity 16 through the liquid outlet tube 8 and the liquid inlet tube 18, and a plurality of connecting rods 23 are arranged between the outer wall of the heat dissipation tube 11 and the supporting shaft 22.
In this embodiment, a sleeve ring 24 is opened at one end of the connecting rod 23, a clamping block 25 is fixedly installed at the other end of the connecting rod 23, one end of the connecting rod 23 is inserted and installed on the radiating pipe 11 through the sleeve ring 24, and the other end of the connecting rod 23 is clamped in the corresponding clamping groove 26 through the clamping block 25.
In use, one end of the connection rod 23 is rotatably mounted on the outer wall of the radiating pipe 11, thereby assisting the support shaft 22 to provide a supporting force to the radiating pipe 11.
In this embodiment, a rotating block 30 is fixedly mounted on an outer wall of the rotor rotating shaft 12 at a position below the fan 15, a second tooth groove 31 is formed in an inner sidewall of the rotating block 30, a first tooth groove 20 is formed in an inner sidewall of the fixing ring 9, a plurality of gears 32 are arranged between the first tooth groove 20 and the second tooth groove 31, and a driving ring 34 is further arranged on a top of the fixing ring 9.
When the guide cavity 16 is used, the second tooth grooves 31 and the three gears 32 in the rotating block 30 are arranged, so that the driving ring 34 can be decelerated conveniently, and the circulation speed of the cooling liquid in the guide cavity 16 is reduced.
In this embodiment, one side of the gear 32 is engaged with the second tooth groove 31, the other side is engaged with the first tooth groove 20, and a fixed shaft 33 is fixedly mounted on the wall body at the central position of the gear 32 through a mounting bracket.
In use, the drive ring 34 can be driven by the arrangement of the gear 32 and the fixed shaft 33.
In this embodiment, the driving ring 34 is rotatably mounted in the rotating slot at the top of the fixed ring 9 through a rotating ring at the bottom, a plurality of sleeve plates 35 are fixedly mounted on the inner wall of the driving ring 34, the sleeve plates 35 are rotatably mounted on the fixed shaft 33 through rotating holes at one end, a plurality of pressure rods 36 are fixedly mounted on the outer wall body of the driving ring 34, and one end of each pressure rod 36 is slidably mounted in the mounting groove 17.
In use, the driving ring 34 can use the fixed shaft 33 as a power source through the sleeve plate 35 on the inner wall of the driving ring 34, and the liquid outlet pipe 8 and the wall body of the liquid inlet pipe 18 are pressed by the pressing rod 36 to convey the cooling liquid.
When the cooling structure is used, when the controller starts the rotor rotating shaft 12 to rotate, the rotor rotating shaft 12 drives the rotating block 30 to rotate, so that the rotating block 30 synchronously drives the three second tooth grooves 31 to rotate through the second tooth grooves 31 of the inner wall, the concave structures of the second tooth grooves 31 and the first tooth grooves 20 ensure that the gear 32 can rotate between the second tooth grooves 31 and the first tooth grooves 20, the gear 32 rotates while making a circular motion, the gear 32 rotates in a rotating hole on one side of the sleeve plate 35 through the fixed shaft 33 and drives the driving ring 34 to rotate through the sleeve plate 35, the driving ring 34 drives the wall body on the outer side to gradually slide into the mounting groove 17, the liquid outlet pipe 8 in the mounting groove 17 and the outer wall of the liquid inlet pipe 18 are respectively extruded, and the pressure guide rod 36 is used for guiding the pressure formed by the extrusion cavities of the liquid outlet pipe 8 and the liquid inlet pipe 18 to pass through the cooling liquid in the liquid outlet pipe 16 The liquid outlet pipe 8 is led into the radiating pipe 11, and is circularly fed into the liquid inlet pipe 18 after being radiated by the fan 15, and then is circularly fed into the flow guide cavity 16 through the liquid inlet pipe 18, so that the heat in the stator 5 and the heat in the machine shell 1 are quickly discharged.
When the heat dissipation tube 11 is maintained, the second connectors 21 at the two ends of the heat dissipation tube 11 are only required to be taken down from the liquid outlet tube 8 and the first connector 19 at one end of the liquid inlet tube 18, and then the knob block 29 is rotated, so that the knob block 29 drives the stud 28 to be screwed out from the screw groove 27 at the top of the support shaft 22, and further the connecting rod 23 is rotated and unfolded on the outer wall of the heat dissipation tube 11 by taking the lantern ring 24 as an axis, and further the clamping block 25 at the other end of the connecting rod 23 is taken out from the clamping groove 26, and then the heat dissipation tube 11 is taken down, maintained and replaced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a high-efficient permanent-magnet machine's cooling structure, includes casing (1), casing (1) bottom both sides all are equipped with base (2), casing (1) rear end is equipped with rear end housing (3), casing (1) front end is equipped with front end housing (4), be equipped with stator (5) on casing (1) inboard wall body, be equipped with coil (6), its characterized in that in stator (5): stator (5) top is equipped with collar (7), be equipped with drain pipe (8) and feed liquor pipe (18) in collar (7), stator (5) inboard top is equipped with solid fixed ring (9), the inherent wall body that is located collar (7) top position of casing (1) gathers and is equipped with mounting panel (10), be equipped with rotor shaft (12) in the wall body that coil (6) central point put, rotor shaft (12) top axis body passes mounting panel (10) and is equipped with bolt (13), be equipped with bearing (14) in bolt (13) top wall body, rotor shaft (12) top still is equipped with fan (15), bearing (14) are equipped with back shaft (22), cooling tube (11) fixed connection is passed through at drain pipe (8) and feed liquor pipe (18) top.
2. The cooling structure of a high efficiency permanent magnet machine according to claim 1, wherein: the stator is characterized in that the bottom wall body of the mounting ring (7) is fixedly mounted on the top wall body of the stator (5) in a welding mode, and a mounting groove (17) is formed in the inner side wall body of the mounting ring (7).
3. The cooling structure of a high efficiency permanent magnet machine according to claim 2, wherein: seted up heliciform water conservancy diversion cavity (16) in stator (5) wall body, drain pipe (8) and feed liquor pipe (18) one end body all paste in water conservancy diversion cavity (16) one end inner wall through glue, drain pipe (8) and feed liquor pipe (18) all with cavity intercommunication in water conservancy diversion cavity (16), just drain pipe (8) and feed liquor pipe (18) all pass mounting ring (7) inboard mounting groove (17) and extend to mounting panel (10) top position, equal fixed mounting has first connector (19) drain pipe (8) and feed liquor pipe (18) on the one end outer wall of keeping away from water conservancy diversion cavity (16).
4. A cooling structure of a high efficiency permanent magnet motor according to claim 3, wherein: the bearing (14) of installing at bolt (13) top wall body are worn to alternate to back shaft (22) below shaft body, seted up a plurality of draw-in groove (26) in back shaft (22) top outer wall, seted up thread groove (27) in back shaft (22) top wall body, back shaft (22) top still is equipped with knob piece (29).
5. The cooling structure of a high efficiency permanent magnet machine according to claim 4, wherein: and a stud (28) is fixedly mounted on the bottom wall body of the knob block (29), and the stud (28) is rotatably mounted in a thread groove (27) at the top of the support shaft (22).
6. The cooling structure of a high efficiency permanent magnet machine according to claim 5, wherein: equal fixed mounting has second connector (21) on cooling tube (11) both ends outer wall, cooling tube (11) both ends body is respectively through second connector (21) fixed connection on drain pipe (8) and first connector (19) of feed liquor pipe (18) one end, just cavity intercommunication in cooling tube (11) through drain pipe (8) and feed liquor pipe (18) and diversion cavity (16), be equipped with a plurality of connecting rod (23) between cooling tube (11) outer wall and back shaft (22).
7. The cooling structure of a high efficiency permanent magnet machine according to claim 6, wherein: lantern ring (24) have been seted up to connecting rod (23) one end, connecting rod (23) other end fixed mounting has fixture block (25), connecting rod (23) one end is passed through lantern ring (24) and is penetrated and install on cooling tube (11), just connecting rod (23) other end clamps in corresponding draw-in groove (26) through fixture block (25).
8. The cooling structure of a high efficiency permanent magnet machine according to claim 1, wherein: rotor pivot (12) fixed mounting has commentaries on classics piece (30) on the outer wall that is located fan (15) below position, it has second tooth socket (31) to open in the inboard wall body of commentaries on classics piece (30), first tooth socket (20) have been seted up in solid fixed ring (9) inside wall body, be equipped with a plurality of gear (32) between first tooth socket (20) and second tooth socket (31), gu fixed ring (9) top still is equipped with drive ring (34).
9. The cooling structure of a high efficiency permanent magnet machine according to claim 8, wherein: gear (32) one side and second tooth's socket (31) meshing connection, the opposite side and first tooth's socket (20) meshing connection, still through mounting bracket fixed mounting fixed axle (33) in the wall body of gear (32) central point department.
10. The cooling structure of a high efficiency permanent magnet machine according to claim 9, wherein: the driving ring (34) is rotatably installed in a rotary groove in the top of the fixing ring (9) through a rotary ring at the bottom, a plurality of sleeve plates (35) are fixedly installed on the inner wall of the driving ring (34), the sleeve plates (35) are rotatably installed on the fixing shaft (33) through rotary holes in one end, a plurality of pressure rods (36) are fixedly installed on the wall body of the outer side of the driving ring (34), and one end of each pressure rod (36) is slidably installed in the installation groove (17).
CN202210459348.1A 2022-04-27 2022-04-27 Cooling structure of high-efficiency permanent magnet motor Active CN114915055B (en)

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CN114915055B CN114915055B (en) 2023-09-22

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CN116231945A (en) * 2023-05-04 2023-06-06 山东高原油气装备有限公司 Ground permanent magnet motor

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Publication number Priority date Publication date Assignee Title
CN116231945A (en) * 2023-05-04 2023-06-06 山东高原油气装备有限公司 Ground permanent magnet motor
CN116231945B (en) * 2023-05-04 2023-07-18 山东高原油气装备有限公司 Ground permanent magnet motor

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