CN109962593A - A kind of bimorph transducer formula rare-earth permanent magnet motor - Google Patents

A kind of bimorph transducer formula rare-earth permanent magnet motor Download PDF

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Publication number
CN109962593A
CN109962593A CN201910248606.XA CN201910248606A CN109962593A CN 109962593 A CN109962593 A CN 109962593A CN 201910248606 A CN201910248606 A CN 201910248606A CN 109962593 A CN109962593 A CN 109962593A
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CN
China
Prior art keywords
cooling
permanent magnet
motor
earth permanent
external
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.)
Pending
Application number
CN201910248606.XA
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Chinese (zh)
Inventor
谢凯
Original Assignee
谢凯
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 谢凯 filed Critical 谢凯
Priority to CN201910248606.XA priority Critical patent/CN109962593A/en
Publication of CN109962593A publication Critical patent/CN109962593A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/04Machines with one rotor and two stators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2205/00Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
    • H02K2205/09Machines characterised by drain passages or by venting, breathing or pressure compensating means

Abstract

The invention discloses a kind of bimorph transducer formula rare-earth permanent magnet motors, including motor body, external stator, inner stator and rotor, described motor body one end is provided with end cap, end cooling fin is formed on the end cap, outer circle cooling fin is formed in the motor body outer circle, is provided with water cooling cabinet above the motor body.Beneficial effect is: by the way that external stator and inner stator is respectively set in rotor two sides; stator can be increased to the opplied moment of rotor; and then improve the power of motor output; increase output torque; by the way that cooling line is arranged inside motor housing; external cooling water source can be allowed to circulate inside cooling line; improve the radiating efficiency of motor; keep the course of work of motor more reliable and more stable; by the way that protective case is arranged in rare-earth permanent magnet periphery; protection can be provided to rare-earth permanent magnet, and then extend the service life of this motor.

Description

A kind of bimorph transducer formula rare-earth permanent magnet motor
Technical field
The present invention relates to permanent magnet motor technical fields, and the present invention relates to a kind of bimorph transducer formula rare-earth permanent magnet motors.
Background technique
Motor refers to a kind of calutron that conversion or the transmitting of electric energy are realized according to the law of electromagnetic induction, or will be a kind of The electric energy of form is converted into another form of electric energy, and motor is to convert electrical energy into mechanical energy (being commonly called as motor), generator It is to convert mechanical energy into electric energy, with the variation that becomes increasingly conspicuous of energy crisis and environmental issue, traditional induction alternating current asynchronous Motor (motor, generator) is just gradually replaced permanent magnet efficient motor, but existing permanent magnet motor is in use, Because of only one stator, cause the output power of motor and torque relatively low, while existing motor is done in terms of heat dissipation It is bad, cause the operation stability of motor inadequate, there are also being exactly not take safeguard measure in permanent magnet use process, Causing the service life of permanent magnet reduces.
Summary of the invention
The object of the invention is that providing a kind of bimorph transducer formula rare-earth permanent magnet motor to solve the above-mentioned problems.
The present invention through the following technical solutions to achieve the above objectives:
A kind of bimorph transducer formula rare-earth permanent magnet motor, including motor body, external stator, inner stator and rotor, the motor body One end is provided with end cap, and end cooling fin is formed on the end cap, forms outer circle cooling fin in the motor body outer circle, It is provided with water cooling cabinet above the motor body, the water cooling box house is provided with miniature cooling water pump, the water cooling box External water inlet pipe is provided in body one side wall, the external water inlet pipe side is provided with external outlet pipe, and the motor body is another One end is provided with fan drum, is provided with mounting base below the motor body, mounting hole is formed in the mounting base, described Motor body is internally provided with motor housing, and the motor housing is internally provided with cooling line, and the cooling line side is set It is equipped with cooling tube outlet pipe, is provided with cooling tube water inlet pipe, the cooling tube water inlet pipe and institute below the cooling tube outlet pipe It states and is provided with intermediate connection tube between miniature cooling water pump, the motor housing is internally provided with electric machine main shaft, the motor master Axis one end forms keyway, and the electric machine main shaft other end is provided with radiator fan, the electric machine main shaft and the motor housing Between be provided with bearing, the rotor is provided in the middle part of the electric machine main shaft, the rotor includes rotor body, is arranged described Rare-earth permanent magnet on rotor body and the protective case that the rare-earth permanent magnet periphery is arranged in, the rotor side is provided with The external stator, the external stator include external stator iron core and the external stator winding that the external stator iron core periphery is arranged in, institute It states the rotor other side and is provided with the inner stator, the inner stator includes internal stator iron core and is arranged outside the internal stator iron core The inner stator winding enclosed.
Further, the end cap is bolted with the motor body, the water cooling cabinet and the motor sheet Body is bolted.
Further, the external water inlet pipe is connected through a screw thread with the miniature cooling water pump, the miniature cooling water Pump is connected through a screw thread with the cooling tube water inlet pipe.
Further, the external outlet pipe is connected through a screw thread with the cooling tube outlet pipe, the miniature cooling water The model CBN-F310 of pump.
Further, the cooling line is connected through a screw thread with the cooling tube water inlet pipe, the cooling line and institute Cooling tube outlet pipe is stated to be connected through a screw thread.
Further, the electric machine main shaft is connect with the motor housing by the bearing.
Further, the electric machine main shaft is connected by key with the radiator fan, the fan drum and the motor Ontology is connected by screw to.
Further, the rotor is connected by key with the electric machine main shaft, the rotor body and the rare earth permanent magnet Body is connected by the protective case.
Further, the external stator is connected by screw to the motor housing, the external stator iron core and described outer Stator winding is connected by card slot.
Further, the inner stator is connected by screw to the motor housing, the internal stator iron core with it is described interior Stator winding is connected by card slot.
Concrete operating principle are as follows: first by external cooling water source connecting line and the external water inlet pipe and institute when use State the connection of external outlet pipe, it is complete after by external circuit control system and the external stator, the inner stator and described miniature cold But water pump connects, and then controls the external stator by the external control system and the inner stator is powered, described outer fixed Sub- winding and the inner stator winding are powered, and then one is formed between the external stator winding and the inner stator winding An electromagnetism is generated around the changing magnetic field of electric machine main shaft rotation, and then to the rare-earth permanent magnet on the rotor Power drives the rotor to rotate together with the electric machine main shaft, and during motor work, the electric machine main shaft drives described dissipate Hot-air fan rotation effectively radiates to the motor body inside, while the end cooling fin and the outer circle dissipate Backing can also play good heat dissipation effect, and the miniature cooling water pump starting can be controlled by external control system, can be with It drives cooling water along the cooling cycle tube runs, water-cooling is carried out to motor, the radiating efficiency of motor can be improved, By the way that the external stator and the inner stator is arranged in rotor two sides, the power of motor output can be improved, increase output torque.
The beneficial effects of the present invention are:
1, by the way that external stator and inner stator is respectively set in rotor two sides, stator can be increased to the opplied moment of rotor, in turn The power of motor output is improved, output torque is increased;
2, by the way that cooling line is arranged inside motor housing, external cooling water source recycle stream inside cooling line can be allowed It is dynamic, the radiating efficiency of motor is improved, keeps the course of work of motor more reliable and more stable;
3, by the way that protective case is arranged in rare-earth permanent magnet periphery, protection can be provided to rare-earth permanent magnet, and then it is electronic to extend this The service life of machine.
Detailed description of the invention
Fig. 1 is a kind of main view of bimorph transducer formula rare-earth permanent magnet motor of the present invention;
Fig. 2 is a kind of internal structure chart of bimorph transducer formula rare-earth permanent magnet motor of the present invention;
Fig. 3 is the left cross-sectional view of water cooling cabinet in a kind of bimorph transducer formula rare-earth permanent magnet motor of the present invention;
Fig. 4 is the main sectional view of rotor in a kind of bimorph transducer formula rare-earth permanent magnet motor of the present invention;
Fig. 5 is the main sectional view of inner stator in a kind of bimorph transducer formula rare-earth permanent magnet motor of the present invention;
Fig. 6 is the main sectional view of external stator in a kind of bimorph transducer formula rare-earth permanent magnet motor of the present invention.
The reference numerals are as follows:
1, motor body;2, mounting base;3, mounting hole;4, end cap;5, end cooling fin;6, electric machine main shaft;7, keyway;8, fan Shell;9, outer circle cooling fin;10, water cooling cabinet;11, external water inlet pipe;12, external outlet pipe;13, bearing;14, radiation air Fan;15, motor housing;16, cooling line;17, cooling tube water inlet pipe;18, cooling tube outlet pipe;19, external stator;1901, outer Stator core;1902, external stator winding;20, inner stator;2001, internal stator iron core;2002, inner stator winding;21, rotor; 2101, rotor body;2102, rare-earth permanent magnet;2103, protective case;22, miniature cooling water pump;23, intermediate connection tube.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in figs 1 to 6, a kind of bimorph transducer formula rare-earth permanent magnet motor, including motor body 1, external stator 19, inner stator 20 With rotor 21, described 1 one end of motor body is provided with end cap 4, and end cooling fin 5, the motor sheet are formed on the end cap 4 Outer circle cooling fin 9 is formed in 1 outer circle of body, the end cooling fin 5 and the outer circle cooling fin 9 play the role of heat dissipation, Water cooling cabinet 10 is provided with above the motor body 1, the water cooling cabinet 10 is internally provided with miniature cooling water pump 22, described Miniature cooling water pump 22 is that circulating for external cooling water source provides power, is provided in 10 one side wall of water cooling cabinet outer Portion's water inlet pipe 11, external 11 side of water inlet pipe are provided with external outlet pipe 12, the external water inlet pipe 11 and described outer Portion's outlet pipe 12 is connect with external cooling water source, and 1 other end of motor body is provided with fan drum 8, the fan drum 8 Play the role of protection, mounting base 2 is provided with below the motor body 1, mounting hole 3 is formed in the mounting base 2, it is described Mounting base 2 and the mounting hole 3 are used to install this motor, and the motor body 1 is internally provided with motor housing 15, the electricity Machine shell 15 is internally provided with cooling line 16, and the cooling line 16 is used to carry out cooling by water to motor housing 15, described 16 side of cooling line is provided with cooling tube outlet pipe 18, is provided with cooling tube water inlet pipe below the cooling tube outlet pipe 18 17, intermediate connection tube 23, the miniature cooling are provided between the cooling tube water inlet pipe 17 and the miniature cooling water pump 22 Water pump 22 is that circulating for cooling water source provides power, and the motor housing 15 is internally provided with electric machine main shaft 6, the motor 6 one end of main shaft forms keyway 7, and 6 other end of electric machine main shaft is provided with radiator fan 14, and the radiator fan 14 is used to pair This motor radiates, and bearing 13 described in bearing 13 is provided between the electric machine main shaft 6 and the motor housing 15 can be with The frictional force between the motor housing 15 and the electric machine main shaft 6 is effectively reduced, system loss, the electric machine main shaft are reduced 6 middle parts are provided with the rotor 21, the rotor 21 include rotor body 2101, be arranged in it is dilute on the rotor body 2101 Native permanent magnet 2102 and the protective case 2103 that 2102 periphery of rare-earth permanent magnet is arranged in, the protective case 2103 can be right The rare-earth permanent magnet 2102 provides protection, and 21 side of rotor is provided with the external stator 19, and the external stator 19 includes External stator iron core 1901 and the external stator winding 1902 that 1901 periphery of external stator iron core is set, 21 other side of rotor It is provided with the inner stator 20, the inner stator 20 includes internal stator iron core 2001 and is arranged outside the internal stator iron core 2001 It, can under the action of external control system after the inner stator winding 2002 enclosed, the external stator 19 and the inner stator 20 are powered To generate the electromagnetic field of an alternation, and then the rotor 21 is driven to rotate.
In the present embodiment, the end cap 4 is bolted with the motor body 1, the water cooling cabinet 10 with it is described Motor body 1 is bolted.
In the present embodiment, the external water inlet pipe 11 is connected through a screw thread with the miniature cooling water pump 22, described miniature Cooling water pump 22 is connected through a screw thread with the cooling tube water inlet pipe 17, and the miniature cooling water pump 22 is external cooling water source Flowing provides power, and then carries out water-cooling to the motor housing 15, improves the radiating efficiency of the motor housing 15.
In the present embodiment, the external outlet pipe 12 is connected through a screw thread with the cooling tube outlet pipe 18, described miniature The model CBN-F310 of cooling water pump 22, the external outlet pipe 12 are connect with external cooling water source conveyance conduit.
In the present embodiment, the cooling line 16 is connected through a screw thread with the cooling tube water inlet pipe 17, the cooling tube Road 16 is connected through a screw thread with the cooling tube outlet pipe 18, the cooling line 16, the cooling tube water inlet pipe 17 and institute One cooling cycle pipeline of formation between cooling tube outlet pipe 18 is stated, water cooling operation is carried out to the motor housing 15, is improved cold But efficiency.
In the present embodiment, the electric machine main shaft 6 is connect with the motor housing 15 by the bearing 13, the bearing 13 The frictional force between the electric machine main shaft 6 and the motor housing 15 can be effectively reduced, system loss is effectively reduced.
In the present embodiment, the electric machine main shaft 6 is connected by key with the radiator fan 14, the fan drum 8 and institute It states motor body 1 to be connected by screw to, the radiator fan 14 plays the effect of heat dissipation.
In the present embodiment, the rotor 21 is connected by key with the electric machine main shaft 6, the rotor body 2101 with it is described Rare-earth permanent magnet 2102 is connected by the protective case 2103.
In the present embodiment, the external stator 19 is connected by screw to the motor housing 15, the external stator iron core 1901 are connect with the external stator winding 1902 by card slot, after the inner stator 20 is powered, in the effect of external control system Under, it can produce the electromagnetic field of an alternation, and then the rotor 21 is driven to rotate.
In the present embodiment, the inner stator 20 is connected by screw to the motor housing 15, the internal stator iron core 2001 are connect with the inner stator winding 2002 by card slot, after the external stator 19 is powered, in the effect of external control system Under, it can produce the electromagnetic field of an alternation, and then the rotor 21 is driven to rotate.
Concrete operating principle are as follows: when use first by external cooling water source connecting line and the external water inlet pipe 11 and The external outlet pipe 12 connects, it is complete after by external circuit control system and the external stator 19, the inner stator 20 and institute It states miniature cooling water pump 22 to connect, the external stator 19 and the inner stator 20 is then controlled by the external control system It is powered, the external stator winding 1902 and the inner stator winding 2002 are powered, and then in 1902 He of external stator winding A changing magnetic field around the electric machine main shaft 6 rotation is formed between the inner stator winding 2002, and then to described Rare-earth permanent magnet 2102 on rotor 21 generates an electromagnetic force, and the rotor 21 is driven to rotate together with the electric machine main shaft 6, During motor works, the electric machine main shaft 6 drives the radiator fan 14 to rotate, to carrying out inside the motor body 1 Effective heat dissipation, while the end cooling fin 5 and the outer circle cooling fin 9 can also play good heat dissipation effect, can be with The miniature cooling water pump 22 is controlled by external control system to start, and cooling water can be driven along the cooling cycle pipeline Flowing carries out water-cooling to motor, the radiating efficiency of motor can be improved, described outer by being arranged in 21 two sides of rotor The power of motor output can be improved in stator 19 and the inner stator 20, increases output torque.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.

Claims (10)

1. a kind of bimorph transducer formula rare-earth permanent magnet motor, it is characterised in that: including motor body (1), external stator (19), inner stator (20) it is provided with end cap (4) with rotor (21), described motor body (1) one end, forms end cooling fin on the end cap (4) (5), it is formed outer circle cooling fin (9) in motor body (1) outer circle, is provided with water cooling box above the motor body (1) Body (10), the water cooling cabinet (10) are internally provided with miniature cooling water pump (22), set in water cooling cabinet (10) one side wall It is equipped with external water inlet pipe (11), described external water inlet pipe (11) side is provided with external outlet pipe (12), the motor body (1) The other end is provided with fan drum (8), is provided with mounting base (2) below the motor body (1), on the mounting base (2) at Type has mounting hole (3), and the motor body (1) is internally provided with motor housing (15), setting inside the motor housing (15) Have cooling line (16), cooling line (16) side is provided with cooling tube outlet pipe (18), the cooling tube outlet pipe (18) lower section is provided with cooling tube water inlet pipe (17), between the cooling tube water inlet pipe (17) and the miniature cooling water pump (22) It is provided with intermediate connection tube (23), the motor housing (15) is internally provided with electric machine main shaft (6), the electric machine main shaft (6) one End form keyway (7), electric machine main shaft (6) other end is provided with radiator fan (14), the electric machine main shaft (6) with it is described It is provided between motor housing (15) bearing (13), is provided with the rotor (21), the rotor in the middle part of the electric machine main shaft (6) It (21) include that rotor body (2101), the rare-earth permanent magnet (2102) being arranged on the rotor body (2101) and setting exist The protective case (2103) of rare-earth permanent magnet (2102) periphery, rotor (21) side are provided with the external stator (19), The external stator (19) include external stator iron core (1901) and setting external stator iron core (1901) periphery external stator around Group (1902), rotor (21) other side are provided with the inner stator (20), and the inner stator (20) includes internal stator iron core (2001) and setting the internal stator iron core (2001) periphery inner stator winding (2002).
2. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the end cap (4) with The motor body (1) is bolted, and the water cooling cabinet (10) is bolted with the motor body (1).
3. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the external water inlet pipe (11) it is connected through a screw thread with the miniature cooling water pump (22), the miniature cooling water pump (22) and the cooling tube water inlet pipe (17) it is connected through a screw thread.
4. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the external outlet pipe (12) it is connected through a screw thread with the cooling tube outlet pipe (18), the model CBN-F310 of the miniature cooling water pump (22).
5. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the cooling line (16) it is connected through a screw thread with the cooling tube water inlet pipe (17), the cooling line (16) and the cooling tube outlet pipe (18) It is connected through a screw thread.
6. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the electric machine main shaft (6) it is connect with the motor housing (15) by the bearing (13).
7. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the electric machine main shaft (6) it is connected by key with the radiator fan (14), the fan drum (8) is connected by screw to the motor body (1).
8. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the rotor (21) with The electric machine main shaft (6) is connected by key, and the rotor body (2101) and the rare-earth permanent magnet (2102) pass through the guarantor Sheath (2103) connection.
9. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the external stator (19) It is connected by screw to the motor housing (15), the external stator iron core (1901) passes through with the external stator winding (1902) Card slot connection.
10. a kind of bimorph transducer formula rare-earth permanent magnet motor according to claim 1, it is characterised in that: the inner stator (20) it is connected by screw to the motor housing (15), the internal stator iron core (2001) and the inner stator winding (2002) It is connected by card slot.
CN201910248606.XA 2019-03-29 2019-03-29 A kind of bimorph transducer formula rare-earth permanent magnet motor Pending CN109962593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910248606.XA CN109962593A (en) 2019-03-29 2019-03-29 A kind of bimorph transducer formula rare-earth permanent magnet motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910248606.XA CN109962593A (en) 2019-03-29 2019-03-29 A kind of bimorph transducer formula rare-earth permanent magnet motor

Publications (1)

Publication Number Publication Date
CN109962593A true CN109962593A (en) 2019-07-02

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CN201910248606.XA Pending CN109962593A (en) 2019-03-29 2019-03-29 A kind of bimorph transducer formula rare-earth permanent magnet motor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112583220A (en) * 2020-12-23 2021-03-30 颜洋 Double-shaft motor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201629633U (en) * 2010-02-02 2010-11-10 株洲南车时代电气股份有限公司 Permanent magnet generator connected together with engine
CN107276292A (en) * 2017-07-07 2017-10-20 南京苏美达动力产品有限公司 One kind is used for jetting machine water cooled machine pump unit
CN207321017U (en) * 2017-09-30 2018-05-04 浙江浙能绍兴滨海热电有限责任公司 A kind of double-speed motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201629633U (en) * 2010-02-02 2010-11-10 株洲南车时代电气股份有限公司 Permanent magnet generator connected together with engine
CN107276292A (en) * 2017-07-07 2017-10-20 南京苏美达动力产品有限公司 One kind is used for jetting machine water cooled machine pump unit
CN207321017U (en) * 2017-09-30 2018-05-04 浙江浙能绍兴滨海热电有限责任公司 A kind of double-speed motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112583220A (en) * 2020-12-23 2021-03-30 颜洋 Double-shaft motor

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