CN112865383B - Asynchronous motor with internal heat dissipation function - Google Patents
Asynchronous motor with internal heat dissipation function Download PDFInfo
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- CN112865383B CN112865383B CN202110157852.1A CN202110157852A CN112865383B CN 112865383 B CN112865383 B CN 112865383B CN 202110157852 A CN202110157852 A CN 202110157852A CN 112865383 B CN112865383 B CN 112865383B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
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- 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
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- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to an asynchronous motor with internal heat dissipation, which comprises a motor body, a motor heat dissipation shell, a motor junction box, a loading base and a motor shaft rod, wherein the motor heat dissipation shell is fixed on the outer side surface of the motor body, the motor junction box is fixed on the side surface of the motor body and connected with the inside of the motor body, the loading base is fixed at the bottom end of the motor body, and the motor shaft rod penetrates through the loading base to be connected with the motor body. The invention optimizes the heat dissipation mode of the motor, changes the structure of external heat dissipation and internal heat dissipation adopted by the traditional motor, improves the structure into a brand new structure for dissipating heat inside the motor, adopts the design of alternate contact and alternate fluctuation inside the motor, can exchange heat to the heat generated inside the motor to a great extent, and adopts the aluminum alloy material for manufacturing the whole structure of the motor, thereby reducing the weight of the whole equipment.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an asynchronous motor with internal heat dissipation.
Background
The three-phase asynchronous motor is a motor powered by a 380V three-phase alternating current power supply, and because the rotating magnetic fields of the rotor and the stator of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds, and have slip ratios, the three-phase asynchronous motor is called as a three-phase asynchronous motor, and has the characteristics of simple structure, convenience in manufacture and use, low operation power consumption, good use effect and low manufacturing cost, and is advocated by each use direction. The problem that the temperature increases, the consumption increases can appear in the motor under the long condition of operating duration, and traditional motor heat dissipation all relies on external fan heat dissipation and built-in heat dissipation fluid to dispel the heat, and the radiating effect is not good, and the mobility problem of inside fluid also can influence the operating efficiency of motor, designs a radiating asynchronous motor in possessing for this.
Disclosure of Invention
The invention aims to provide an asynchronous motor with internal heat dissipation to solve the technical problems, and adopts the following technical scheme for realizing the aim:
the utility model provides an asynchronous motor who possesses interior heat dissipation, includes motor body, motor heat dissipation shell, motor terminal box, loads base, motor axostylus axostyle, the lateral surface at motor body is fixed to motor heat dissipation shell, the motor terminal box is fixed in motor body's side, and inside motor body is connected to the motor terminal box, load the base and fix the bottom at motor body, the motor axostylus axostyle passes and loads the base and connect motor body.
On the basis of the technical scheme, the motor body comprises a shell, a stator, a rotor, opposite heat dissipation structures and intercommunicating flow guide pipes, wherein the stator is fixed on the inner side wall of the shell, the motor shaft rod penetrates through the center of the shell, the rotor is fixed in the middle section of the motor shaft rod, the opposite heat dissipation structures are provided with two groups, the two groups of opposite heat dissipation structures are fixed in the shell in an up-and-down symmetrical manner, the two groups of opposite heat dissipation structures are respectively arranged on the upper side and the lower side of the stator and the rotor, the intercommunicating flow guide pipes are provided with a plurality of groups, the intercommunicating flow guide pipes are arranged at equal circumferential angles and are connected to the two side faces of the two groups of opposite heat dissipation structures, the plurality of intercommunicating flow guide pipes are arranged on the inner side of the shell, the intercommunicating flow guide pipes are tightly attached to the outer side face of the stator, heat conducting fluid is filled in the opposite heat dissipation structures and the intercommunicating flow guide pipes, and the motor heat dissipation shell is arranged on the outer side of the shell, and the motor heat dissipation shell and the shell are integrally formed.
On the basis of the technical scheme, the motor shaft rod comprises a top end bearing, a bottom end bearing, a built-in shaft, an output shaft and two sets of opposite pressing plates, the top end bearing is connected to the top end of the built-in shaft, the output shaft is arranged at the bottom end of the built-in shaft, the bottom end bearing is connected to the bottom end of the built-in shaft, the two sets of opposite pressing plates are arranged on two sides of the built-in shaft in a circumferentially symmetrical mode and are respectively arranged on the upper side and the lower side of the built-in shaft, the output shaft and the opposite pressing plates are integrally formed, the two sets of opposite pressing plates are respectively contacted with the upper side face and the lower side face of the two sets of opposite heat dissipation structures, and the rotor is fixed to the middle section of the built-in shaft.
On the basis of the technical scheme, the opposite heat dissipation structure comprises a heat flowing cylinder body, an internal piston, an upper cover plate and an inner sleeve, the internal piston is arranged in the heat flowing cylinder body and can move up and down in the heat flowing cylinder body, the upper cover plate is fixed on the top surface of the heat flowing cylinder body, the upper cover plate is arranged on the outer side of the internal piston, the inner sleeve is fixed on the inner bottom side of the heat flowing cylinder body, the inner sleeve is arranged on the inner side of the internal piston, and the heat flowing cylinder body and the shell are integrally formed.
On the basis of the technical scheme, a sealing rubber ring is arranged on the top side surface of the heat flow cylinder body, a connecting screw hole is formed in the center of the inner bottom side of the heat flow cylinder body, a plurality of groups of air holes are formed in the inner bottom surface of the heat flow cylinder body, a plurality of groups of fluid holes are formed in the side surface of the heat flow cylinder body, the intercommunicating flow guide pipe is connected to the outer side of the fluid holes, the built-in piston consists of a height gradually-changing ring and a pushing plate, the height gradually-changing ring is arranged on the top surface of the pushing plate, the height gradually-changing ring and the pushing plate are integrally formed, the sealing rubber ring is arranged on the side surface of the pushing plate, the pushing plate and the sealing rubber ring are tightly attached to the inner side surface of the heat flow cylinder body, the pushing plate and the sealing rubber ring can slide up and down in the heat flow cylinder body, the sealing rubber ring is arranged on the inner side surface of the upper cover plate, the upper cover plate is fixed on the top surface of the heat flow cylinder body, and the sealing rubber ring on the inner side surface of the upper cover plate is tightly attached to the outer side surface of the height gradually-changing ring, the inner skleeve comprises lamina tecti, interior protective barrel, the lamina tecti is established on the top of protecting a section of thick bamboo including, and lamina tecti, interior protective barrel integrated into one piece, the bottom of interior protective barrel is equipped with connecting thread, in protecting a section of thick bamboo bottom connection in the connecting screw hole of bottom side in the heat flow cylinder body, the lateral surface of lamina tecti is equipped with sealed rubber ring, the sealed rubber ring of lamina tecti lateral surface is hugged closely at the medial surface of high gradual change ring.
On the basis of the technical scheme, the motor heat dissipation shell, the heat flow cylinder body, the built-in piston, the upper cover plate and the inner sleeve are made of high-performance metal aluminum alloy materials, and the loading base is made of cast iron materials.
Compared with the prior art, the invention has the following advantages: the invention optimizes the heat dissipation mode of the motor, changes the structure of external heat dissipation and internal heat dissipation adopted by the traditional motor, improves the structure into a brand new structure for dissipating heat inside the motor, adopts the design of alternate contact and alternate fluctuation inside the motor, can exchange heat to the heat generated inside the motor to a great extent, and adopts the aluminum alloy material for manufacturing the whole structure of the motor, thereby reducing the weight of the whole equipment.
Drawings
Fig. 1 is a general appearance state diagram of the present invention.
Fig. 2 is a schematic plan view of the motor body according to the present invention.
Fig. 3 is a schematic view of the shaft of the motor of the present invention.
Fig. 4 is a schematic view of the connection between the shaft of the motor and the opposing heat dissipation structure of the present invention.
Fig. 5 is a schematic view of a single set of opposing heat dissipation structures according to the present invention.
Fig. 6 is a disassembled detail view of the opposite heat dissipation structure of the present invention.
In the figure: the motor comprises a motor body 1, a motor heat dissipation shell 2, a motor junction box 3, a loading base 4, a motor shaft lever 5, a shell 6, a stator 7, a rotor 8, an opposite heat dissipation structure 9, an intercommunication guide pipe 10, a heat conduction fluid 11, a top end bearing 12, a bottom end bearing 13, an internal shaft 14, an output shaft 15, an opposite pressing plate 16, a heat flowing cylinder 17, an internal piston 18, an upper cover plate 19, an internal sleeve 20, a sealing rubber ring 21, a connecting screw hole 22, a fluid hole 24, a height gradually-changing ring 25, a pushing plate 26, a top cover plate 27, an internal protective sleeve 28 and connecting threads 29.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
The utility model provides an asynchronous motor who dispels heat in possessing, includes motor body 1, motor heat dissipation shell 2, motor terminal box 3, loads base 4, motor shaft pole 5, motor heat dissipation shell 2 is fixed at motor body 1's lateral surface, motor terminal box 3 is fixed in motor body 1's side, and inside motor terminal box 3 connects motor body 1, load base 4 and fix the bottom at motor body 1, motor shaft pole 5 passes and loads base 4 and connect motor body 1.
The motor body 1 is composed of a shell 6, a stator 7, a rotor 8, opposite heat dissipation structures 9 and intercommunicating draft tubes 10, wherein the stator 7 is fixed on the inner side wall of the shell 6, the motor shaft 5 penetrates through the center of the shell 6, the rotor 8 is fixed at the middle section of the motor shaft 5, two groups of opposite heat dissipation structures 9 are arranged, two groups of opposite heat dissipation structures 9 are symmetrically fixed inside the shell 6 up and down, the two groups of opposite heat dissipation structures 9 are respectively arranged at the upper side and the lower side of the stator 7 and the rotor 8, the intercommunicating draft tubes 10 are provided with a plurality of groups, the intercommunicating draft tubes 10 are arranged at equal circumferential angles, the intercommunicating draft tubes 10 are connected with the two side faces of the two groups of opposite heat dissipation structures 9, the intercommunicating draft tubes 10 are arranged at the inner side of the shell 6, the intercommunicating draft tubes 10 are tightly attached to the outer side face of the stator 7, and heat conducting fluids 11 are arranged in the opposite heat dissipation structures 9 and the intercommunicating draft tubes 10, the motor heat dissipation shell 2 is arranged on the outer side of the shell 6, and the motor heat dissipation shell 2 and the shell 6 are integrally formed.
The motor shaft lever 5 is composed of a top end bearing 12, a bottom end bearing 13, an internal shaft 14, an output shaft 15 and two sets of opposite pressing plates 16, wherein the top end bearing 12 is connected to the top end of the internal shaft 14, the output shaft 15 is arranged at the bottom end of the internal shaft 14, the bottom end bearing 13 is connected to the bottom end of the internal shaft 14, the two sets of opposite pressing plates 16 are arranged, the two sets of opposite pressing plates 16 are circumferentially and symmetrically arranged on two sides of the internal shaft 14, the two sets of opposite pressing plates 16 are respectively arranged on the upper side and the lower side of the internal shaft 14, the output shaft 15 and the opposite pressing plates 16 are integrally formed, the two sets of opposite pressing plates 16 are respectively contacted with the upper side and the lower side of the two sets of opposite heat dissipation structures 9, and the rotor 8 is fixed to the middle section of the internal shaft 14.
The opposed heat radiation structure 9 is composed of a heat flow cylinder 17, an internal piston 18, an upper cover plate 19, and an inner sleeve 20, the internal piston 18 is provided in the heat flow cylinder 17, and the internal piston 18 is movable up and down in the heat flow cylinder 17, the upper cover plate 19 is fixed to the top surface of the heat flow cylinder 17, and the upper cover plate 19 is provided outside the internal piston 18, the inner sleeve 20 is fixed to the inner bottom side of the heat flow cylinder 17, and the inner sleeve 20 is provided inside the internal piston 18, and the heat flow cylinder 17 is integrally formed with the housing 6.
The top side of the heat flowing cylinder 17 is provided with a sealing rubber ring 21, the center of the inner bottom side of the heat flowing cylinder 17 is provided with a connecting screw hole 22, the inner bottom of the heat flowing cylinder 17 is provided with a plurality of groups of air holes 23, the side of the heat flowing cylinder 17 is provided with a plurality of groups of fluid holes 24, the intercommunication guide pipe 10 is connected with the outer side of the fluid holes 24, the built-in piston 18 is composed of a height gradually-changing ring 25 and a push plate 26, the height gradually-changing ring 25 is arranged on the top surface of the push plate 26, the height gradually-changing ring 25 and the push plate 26 are integrally formed, the side of the push plate 26 is provided with the sealing rubber ring 21, the push plate 26 and the sealing rubber ring 21 are tightly attached to the inner side surface of the heat flowing cylinder 17, the push plate 26 and the sealing rubber ring 21 can slide up and down in the heat flowing cylinder 17, the inner side surface of the upper cover plate 19 is provided with the sealing rubber ring 21, and the upper cover plate 19 is fixed on the top surface of the heat flowing cylinder 17, and the sealed rubber ring 21 of the medial surface of the upper cover plate 19 is clung to the lateral surface of the highly gradual change ring 25, the inner sleeve 20 is composed of a top cover plate 27 and an inner protective cylinder 28, the top cover plate 27 is arranged at the top end of the inner protective cylinder 28, the top cover plate 27 and the inner protective cylinder 28 are integrally formed, the bottom end of the inner protective cylinder 28 is provided with a connecting thread 29, the bottom end of the inner protective cylinder 28 is connected in a connecting screw hole 22 at the inner bottom side of the heat flow cylinder 17, the lateral surface of the top cover plate 27 is provided with the sealed rubber ring 21, and the sealed rubber ring 21 of the lateral surface of the top cover plate 27 is clung to the medial surface of the highly gradual change ring 25.
The motor heat dissipation shell 2, the shell 6, the heat flowing cylinder 17, the built-in piston 18, the upper cover plate 19 and the inner sleeve 20 are made of high-performance metal aluminum alloy materials, and the loading base 4 is made of cast iron materials.
The working principle of the invention is as follows: the equipment can generate a large amount of heat in an operating state, in the process, the motor shaft rod always keeps rotating, the opposite pressing plates on the motor shaft rod can also alternately keep rotating on two sides, because the opposite pressing plates are always contacted with the top side of the height gradually-changing ring, when the top side opposite pressing plates move to be contacted with the lowest points of the height gradually-changing ring, the opposite pressing plates on the bottom side can move to be contacted with the highest points of the height gradually-changing ring, when the top side opposite pressing plates move to be contacted with the highest points, the opposite pressing plates on the bottom side can move to be changed to be the lowest points among heights, the up-and-down movement of the pushing plate in the heat flow cylinder body is formed, the space between the pushing plate lock pin and the upper cover plate in the heat flow cylinder body on the top side is formed, and the heat conduction fluid can always circulate in the two heat flow cylinder bodies and the heat conduction pipe which are communicated with each other, gas in the shell can reciprocate under the action of the two pushing plates, heat generated by the rotor and the stator is transferred to the heat-conducting fluid, and the heat-conducting fluid can drive the heat to be transmitted to the motor heat-radiating shell and dissipated as soon as possible, so that the heat cannot be accumulated to cause the temperature in the shell to be overheated.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (2)
1. The asynchronous motor with the internal heat dissipation function is characterized by comprising a motor body (1), a motor heat dissipation shell (2), a motor junction box (3), a loading base (4) and a motor shaft lever (5), wherein the motor heat dissipation shell (2) is fixed on the outer side surface of the motor body (1), the motor junction box (3) is fixed on the side surface of the motor body (1), the motor junction box (3) is connected with the inside of the motor body (1), the loading base (4) is fixed at the bottom end of the motor body (1), and the motor shaft lever (5) penetrates through the loading base (4) to be connected with the motor body (1);
the motor body (1) is composed of a shell (6), a stator (7), a rotor (8), opposite heat dissipation structures (9) and intercommunicating draft tubes (10), the stator (7) is fixed on the inner side wall of the shell (6), the motor shaft rod (5) penetrates through the center of the shell (6), the rotor (8) is fixed at the middle section of the motor shaft rod (5), two groups of the opposite heat dissipation structures (9) are arranged, the two groups of the opposite heat dissipation structures (9) are fixed inside the shell (6) in a vertically symmetrical mode, the two groups of the opposite heat dissipation structures (9) are respectively arranged on the upper side and the lower side of the stator (7) and the rotor (8), the intercommunicating draft tubes (10) are provided with a plurality of groups, the plurality of groups of the intercommunicating draft tubes (10) are arranged at equal circumferential angles, and the plurality of groups of the intercommunicating draft tubes (10) are connected to the two side faces of the two groups of the opposite heat dissipation structures (9), the plurality of groups of intercommunicating draft tubes (10) are arranged on the inner side of the shell (6), the intercommunicating draft tubes (10) are tightly attached to the outer side surface of the stator (7), heat-conducting fluid (11) is filled in the opposite heat-radiating structure (9) and the intercommunicating draft tubes (10), the motor heat-radiating shell (2) is arranged on the outer side of the shell (6), and the motor heat-radiating shell (2) and the shell (6) are integrally formed;
the motor shaft lever (5) consists of a top end bearing (12), a bottom end bearing (13), a built-in shaft (14), an output shaft (15) and an opposite pressing plate (16), the top end bearing (12) is connected to the top end of the built-in shaft (14), the output shaft (15) is arranged at the bottom end of the built-in shaft (14), the bottom end bearing (13) is connected with the bottom end of the built-in shaft (14), two groups of opposite pressing plates (16) are arranged, the two groups of opposite pressing plates (16) are circumferentially and symmetrically arranged on two sides of the built-in shaft (14), and two sets of opposite pressing plates (16) are respectively arranged at the upper side and the lower side of the built-in shaft (14), the built-in shaft (14), the output shaft (15) and the opposite pressing plate (16) are integrally formed, the two groups of opposite pressing plates (16) are respectively contacted with the upper side surface and the lower side surface of the two groups of opposite heat dissipation structures (9), and the rotor (8) is fixed at the middle section of the built-in shaft (14);
the opposite heat dissipation structure (9) is composed of a heat flowing cylinder (17), a built-in piston (18), an upper cover plate (19) and an inner sleeve (20), the built-in piston (18) is arranged in the heat flowing cylinder (17), the built-in piston (18) can move up and down in the heat flowing cylinder (17), the upper cover plate (19) is fixed to the top surface of the heat flowing cylinder (17), the upper cover plate (19) is arranged on the outer side of the built-in piston (18), the inner sleeve (20) is fixed to the inner bottom side of the heat flowing cylinder (17), the inner sleeve (20) is arranged on the inner side of the built-in piston (18), and the heat flowing cylinder (17) and the shell (6) are integrally formed;
the top side of the heat flowing cylinder body (17) is provided with a sealing rubber ring (21), the center of the inner bottom side of the heat flowing cylinder body (17) is provided with a connecting screw hole (22), the inner bottom surface of the heat flowing cylinder body (17) is provided with a plurality of groups of air holes (23), the side surface of the heat flowing cylinder body (17) is provided with a plurality of groups of fluid holes (24), the intercommunication guide pipe (10) is connected to the outer side of the fluid holes (24), the built-in piston (18) is composed of a height gradually-changing ring (25) and a push plate (26), the height gradually-changing ring (25) is arranged on the top surface of the push plate (26), the height gradually-changing ring (25) and the push plate (26) are integrally formed, the side surface of the push plate (26) is provided with the sealing rubber ring (21), the push plate (26) and the sealing rubber ring (21) are tightly attached to the inner side surface of the heat flowing cylinder body (17), and the push plate (26) and the sealing rubber ring (21) can slide up and down in the heat flowing cylinder body (17), the inner side face of upper cover plate (19) is equipped with sealed rubber ring (21), the top surface at heat flow cylinder body (17) is fixed in upper cover plate (19), and sealed rubber ring (21) of upper cover plate (19) medial surface hugs closely the lateral surface at high gradual change ring (25), inner skleeve (20) comprise lamina tecti (27), interior protective barrel (28), lamina tecti (27) are established on the top of interior protective barrel (28), and lamina tecti (27), interior protective barrel (28) integrated into one piece, the bottom of interior protective barrel (28) is equipped with connecting thread (29), in the connection screw (22) of interior bottom side of heat flow cylinder body (17) is connected to interior protective barrel (28) bottom, the lateral surface of lamina tecti (27) is equipped with sealed rubber ring (21), sealed rubber ring (21) of lamina tecti (27) lateral surface hugs closely at the medial surface of high gradual change ring (25).
2. Asynchronous motor with internal heat dissipation according to claim 1, characterized in that the motor heat dissipation casing (2), the housing (6), the heat flow cylinder (17), the internal piston (18), the upper cover plate (19), the internal sleeve (20) are made of high performance metal aluminum alloy material, and the loading base (4) is made of cast iron material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157852.1A CN112865383B (en) | 2021-02-05 | 2021-02-05 | Asynchronous motor with internal heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157852.1A CN112865383B (en) | 2021-02-05 | 2021-02-05 | Asynchronous motor with internal heat dissipation function |
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| Publication Number | Publication Date |
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| CN112865383A CN112865383A (en) | 2021-05-28 |
| CN112865383B true CN112865383B (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110157852.1A Active CN112865383B (en) | 2021-02-05 | 2021-02-05 | Asynchronous motor with internal heat dissipation function |
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| JP4617811B2 (en) * | 2004-09-30 | 2011-01-26 | ダイキン工業株式会社 | Fluid machinery |
| JP2007215311A (en) * | 2006-02-09 | 2007-08-23 | Nissan Motor Co Ltd | In-wheel motor cooling device, its cooling method, and vehicle with the cooling device |
| DE102008061450A1 (en) * | 2008-12-10 | 2010-06-17 | Linde Material Handling Gmbh | Electrical machine i.e. rotary current generator, for use in drive axle of mobile machine i.e. ground conveyor, has stator arranged in cooling agent area that stands in contact with cooling circuit of liquid cooling system |
| CN102158028A (en) * | 2011-03-31 | 2011-08-17 | 大连洪成电机有限公司 | Three-phase asynchronous motor used for vertical pipeline circulating pump |
| JP5706793B2 (en) * | 2011-09-20 | 2015-04-22 | 日立建機株式会社 | Generator motor and electric vehicle using the same |
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| DE102018113319B4 (en) * | 2018-06-05 | 2021-08-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electric motor with liquid-cooled stator and air-cooled rotor |
| CN108696054A (en) * | 2018-07-25 | 2018-10-23 | 江苏华源防爆电机有限公司 | A kind of Flame-Proof Three-Phase Induction Motors |
| CN209170083U (en) * | 2018-11-20 | 2019-07-26 | 安徽超宇磁电科技有限公司 | A kind of multifunctional permanent-magnet rotor radiator structure |
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| CN210404992U (en) * | 2019-04-23 | 2020-04-24 | 浙江运达风电股份有限公司 | Ventilation and heat dissipation system of wind driven generator |
| CN110829691A (en) * | 2019-12-04 | 2020-02-21 | 北斗航天汽车（北京）有限公司 | Motor with shaft cooling channel |
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| CN212085936U (en) * | 2020-05-20 | 2020-12-04 | 无锡华庄电机有限公司 | Low-vibration three-phase asynchronous motor |
| CN112134408A (en) * | 2020-09-07 | 2020-12-25 | 江瀛 | Energy-saving self-excited three-phase asynchronous motor |
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2021
- 2021-02-05 CN CN202110157852.1A patent/CN112865383B/en active Active
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| CN112865383A (en) | 2021-05-28 |
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