CN112994390A - Birotor radial permanent magnet motor - Google Patents

Birotor radial permanent magnet motor Download PDF

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Publication number
CN112994390A
CN112994390A CN202110297565.0A CN202110297565A CN112994390A CN 112994390 A CN112994390 A CN 112994390A CN 202110297565 A CN202110297565 A CN 202110297565A CN 112994390 A CN112994390 A CN 112994390A
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CN
China
Prior art keywords
rotor
stator
permanent magnet
inner rotor
outer rotor
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
CN202110297565.0A
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Chinese (zh)
Inventor
V·V·谢尔巴科夫
李昊旻
高宇飞
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Individual
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Individual
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 Individual filed Critical Individual
Priority to CN202110297565.0A priority Critical patent/CN112994390A/en
Publication of CN112994390A publication Critical patent/CN112994390A/en
Priority to CN202111345814.5A priority patent/CN114337166A/en
Priority to CN202111345718.0A priority patent/CN114337164A/en
Priority to CN202122783637.0U priority patent/CN216751486U/en
Priority to CN202111345853.5A priority patent/CN113890295A/en
Priority to CN202111345719.5A priority patent/CN114337165A/en
Priority to CN202122783591.2U priority patent/CN216751485U/en
Priority to CN202111345845.0A priority patent/CN114337167A/en
Priority to CN202122787429.8U priority patent/CN216751487U/en
Priority to CN202111345813.0A priority patent/CN114499089A/en
Priority to CN202210278400.3A priority patent/CN114884295A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • 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
    • H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Abstract

A birotor radial permanent magnet motor comprises an outer rotor, an inner rotor, a rotor fixing seat, a stator mechanism and a stator fixing seat, wherein outer rotor permanent magnets are uniformly and fixedly arranged on the inner surface of the outer rotor; be provided with stator core in the stator mechanism, insert the ceramic cooling tube in stator core's the core print, the ceramic cooling tube is linked together with the coolant liquid passageway, and the coolant liquid passageway sets up inside the stator fixing base, and the coolant liquid passageway is connected to outside compressor through the connecting pipe, is provided with outer axle and interior axle in the middle of the inner rotor, and outer axle is connected with the stator fixing base through first bearing, and interior axle is connected with the rotor fixing base through the second bearing. The stator mechanism overcomes the defects of the prior art, and can eliminate the heat of the whole length of the winding through cooling the fluid in the stator mechanism, thereby greatly improving the working efficiency.

Description

Birotor radial permanent magnet motor
Technical Field
The invention relates to the technical field of permanent magnet motors, in particular to a double-rotor radial permanent magnet motor.
Background
Motor drive devices are used in a wide range of applications, and their efficiency depends to a large extent on the weight of the motor itself. For example: aircraft propeller engines, spacecraft equipment, wind turbines, vehicle wheel interior electrical.
The closest analog to the proposed invention is the motor arrangement disclosed in us patent document No.6924574, which comprises two rotors with at least two permanent magnet magnetic assemblies of different polarity and a stator with iron cores and windings wound on both sides.
The ergonomics of the stator and the rotor assembly placed in the equipment main body is low, and the shape of the magnet causes the defect of the equipment that the structure is heavy and the weight is large, the weight of the equipment cannot be reduced under the condition of not reducing the torque value, and the heat dissipation problem of the motor must be solved for ensuring the reliability of the motor because the power density of the current permanent magnet motor is higher and higher, because the temperature is increased, the insulation performance of a stator coil can be reduced or the coil is burnt, and the service life of the stator coil can be reduced; however, the traditional air-cooled heat dissipation case has a single heat dissipation form and low heat dissipation efficiency, and directly hinders the improvement of the power of the permanent magnet motor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the birotor radial permanent magnet motor which overcomes the defects of the prior art, has reasonable design, and can eliminate the heat of the whole length of a winding through the cooling of the fluid in the stator mechanism, thereby greatly improving the working efficiency.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a double-rotor radial permanent magnet motor comprises an outer rotor, an inner rotor, a rotor fixing seat, a stator mechanism and a stator fixing seat, wherein outer rotor permanent magnets are uniformly and fixedly installed on the inner surface of the outer rotor;
the utility model provides a stator structure, including stator mechanism, outer rotor and inner rotor, be provided with stator core in the stator mechanism, insert the ceramic cooling tube in stator core's the core groove, the ceramic cooling tube is linked together with the coolant liquid passageway, the coolant liquid passageway sets up inside the stator fixing base, the coolant liquid passageway is connected to the external compressor through the connecting pipe, be provided with outer axle and interior axle in the middle of the inner rotor, the outer axle is connected with the stator fixing base through first bearing, interior axle is connected with the rotor fixing base through the second bearing.
Preferably, the stator core is assembled by a plurality of corner sections, each corner section is arranged in a staggered mode, each corner section is composed of oriented ferromagnetic steel plates which are bonded or welded together, and the stator mechanism and the stator core are separated through dielectric insulating paper.
Preferably, the stator mechanism comprises an upper winding and a lower winding, the upper winding and the lower winding are composed of six independent coils, each coil is composed of two layers, each layer comprises twelve and two turns of coils, and the six upper stator coils are connected with the six lower stator coils in series.
Preferably, a cross section of each phase coil of the upper and lower windings has a substantially rectangular cross section.
Preferably, concentrated alternating magnetic fields are generated in gaps between the outer rotor permanent magnets and the inner rotor permanent magnets and the stator core.
Preferably, the number of the outer rotor permanent magnets and the inner rotor permanent magnets is even, the outer rotor permanent magnets and the inner rotor permanent magnets are mutually separated in pairs at equal distances, and the ratio of the number of poles of the outer rotor permanent magnets and the inner rotor permanent magnets to the number of grooves in the outer rotor permanent magnets and the inner rotor permanent magnets is 2: 6.
preferably, the stator core is made of a ferromagnetic anisotropic laminate of electrical steel, or an isotropic laminate of electrical steel, or an amorphous laminated foil, or a material with high magnetic permeability, an insulated powder soft magnetic composite.
Preferably, a rotor position sensor is mounted on the stator fixing seat.
The invention provides a double-rotor radial permanent magnet motor. The method has the following beneficial effects: the design of the machine comprises distributed windings where the stator slots of the stator means are filled with up to 70% of the coils, the dual magnetic assembly of the rotor and the direct path of the closed magnetic field through the stator core, creating a strong magnetic field in the gap, which is 30% larger than the magnetic field of a standard motor with one rotor. The unique cooling system consists of ceramic cooling tubes located inside the stator core, in the vicinity of the coils, and effectively removes heat generated during engine operation.
Drawings
In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the present invention;
FIG. 3 is a longitudinal cross-sectional view of the present invention;
FIG. 4 is an angular dimension view of a longitudinal cross-section of a pair of magnets of the present invention;
FIG. 5 is a schematic view showing an installation structure of a ceramic cooling tube and a stator core according to the present invention;
FIG. 6 is a longitudinal cross-sectional view of a stator core and stator mounting in accordance with the present invention;
FIG. 7 is a different type of two turn coil of the present invention;
FIG. 8 is a view of a stator core assembled with upper and lower windings and connecting leads according to the present invention;
the reference numbers in the figures illustrate:
1. an outer rotor; 2. an inner rotor; 3. a rotor holder; 4. a stator mechanism; 5. a stator fixing seat; 6. an outer rotor permanent magnet; 7. an inner rotor permanent magnet; 8. a stator core; 9. a ceramic cooling tube; 10. a coolant passage; 11. an outer shaft; 12. an inner shaft; 13. a rotor position sensor; 15. a first bearing; 16. a second bearing; 17. a connecting pipe; 18. a corner section; 19. dielectric insulating paper; 31. an outer rotor fixing ring; 32. an inner rotor fixing ring; 33. a connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.
As shown in fig. 1-8, a dual-rotor radial permanent magnet motor includes an outer rotor 1, an inner rotor 2, a rotor fixing seat 3, a stator mechanism 4 and a stator fixing seat 5, wherein an outer rotor permanent magnet 6 is uniformly and fixedly installed on an inner surface of the outer rotor 1, an inner rotor permanent magnet 7 is uniformly and fixedly installed on an outer surface of the inner rotor 2, the rotor fixing seat 3 includes an outer rotor fixing ring 31 and an inner rotor fixing ring 32, the outer rotor fixing ring 31 and the inner rotor fixing ring 32 are fixedly connected through a connecting plate 33, an end of the outer rotor 1 is fixedly installed on the outer rotor fixing ring 31, and an end of the inner rotor 2;
stator mechanism 4 is embedded in the clearance between outer rotor 1 and inner rotor 2, be provided with stator core 8 in the stator mechanism 4, insert ceramic cooling tube 9 in stator core 8's the core print, ceramic cooling tube 9 is linked together with coolant liquid passageway 10, coolant liquid passageway 10 sets up inside stator fixing base 5, coolant liquid passageway 10 is connected to external compressor through connecting pipe 17, be provided with outer axle 11 and interior axle 12 in the middle of inner rotor 2, outer axle 11 is connected with stator fixing base 5 through first bearing 15, interior axle 12 is connected with rotor fixing base 3 through second bearing 16.
In the present embodiment, the stator mechanism 4 includes an upper winding and a lower winding, which are composed of six independent coils, each of which is composed of two layers, each layer including twelve two-turn coils, wherein six upper stator coils are connected in series with six lower stator coils.
In the present embodiment, the cross section of each phase coil of the upper and lower windings has a substantially rectangular cross section.
In the present embodiment, concentrated alternating magnetic fields are generated in the gaps between the outer rotor permanent magnets 6 and the inner rotor permanent magnets 7 and the stator core 8.
In this embodiment, the number of the outer rotor permanent magnets 6 and the inner rotor permanent magnets 7 is even, and the outer rotor permanent magnets 6 and the inner rotor permanent magnets 7 are spaced apart from each other in pairs at equal distances, and the ratio of the number of poles of the outer rotor permanent magnets 6 and the inner rotor permanent magnets 7 to the number of slots in the outer rotor 1 and the inner rotor 2 is 2: 6.
in the present embodiment, the stator fixing base 5 is mounted with a rotor position sensor 13. Three-phase contacts for the external connection pipe 17 and the windings are connected to the stator holder 5.
The motor operates as follows:
the working principle of the electric motor of the present application is based on the electromagnetic interaction between the current in the stator mechanism 4 and the magnetic fields of the outer rotor permanent magnets 6 and the inner rotor permanent magnets 7. A concentrated alternating magnetic field is generated in the gap between the magnet and the stator core 8 by the permanent magnet. In this embodiment, the number of outer rotor permanent magnets 6 and inner rotor permanent magnets 7 is even and are spaced apart from each other in pairs at equal distances, and the number of poles of outer rotor 1 and inner rotor 2 is the same and is determined by the size of the motor and the torque it must provide. The magnetic field is closed by the stator core 8. The upper and lower windings of the stator mechanism 4 comprise six three-phase coils connected in series and in parallel, wherein an alternating sinusoidal or trapezoidal voltage is applied to each phase, phase-shifted by 120 °. The current of the stator arrangement 4 is generated by the alternating voltage in the magnetic field of the outer rotor 1 and the inner rotor 2, generating a tangential force which rotates the rotor. In one cycle of the current change, the outer rotor 1 and the inner rotor 2 are rotated by two magnetic poles of the outer rotor permanent magnet 6 and the inner rotor permanent magnet 7. The motor may be operated using a standard brushless direct current (BLDC) controller.
In the present embodiment the design of the machine comprises distributed winding, where the stator slots of the stator means 4 are filled with up to 70% of the coils possible, the double magnetic assembly of the rotor and the direct path of the closed magnetic field through the stator core 8, creating a strong magnetic field in the gap, which is 30% larger than the magnetic field of a standard motor with one rotor. The unique cooling system consists of ceramic cooling tubes 9 located inside the stator core 8, in the vicinity of the coils, and effectively removes heat generated during engine operation.
Fig. 4 is a view showing the angular dimensions of the longitudinal cross sections of the paired magnets of the outer rotor permanent magnet 6 and the inner rotor permanent magnet 7, in which arrows indicate the polarities of the magnets in the permanent magnets. All the magnets have different shapes, and the upper and lower assemblies are respectively located at opposite sides of each other and have the same polarity. The magnet field is summed and the closed path of the field is reduced to increase the strength in the gap between the old rotor and the two rotors. The lines of magnetic field strength pass through the outer rotor permanent magnets 6 and the inner rotor permanent magnets 7 to be added and closed in a linear manner by the stator core 8, thereby shortening the path and increasing the magnetic field strength.
As shown in fig. 5 to 6, the stator core 8 is of longitudinal section and has ceramic cooling tubes 9 inserted therein, and these ceramic cooling tubes 9 are connected to each other by internal hollow plastic connectors. The cooling pipe is positioned in the stator core and is closely adjacent to the winding, and the design of the cooling system can effectively eliminate heat generated in the running process of the motor, so that the torque of unit mass and efficiency is increased. The ceramic cooling tube 9 is used not only for circulation of the cooling liquid but also as a main element for fixing the stator core 8 and its stator holder 5 by epoxy resin glue. A cooling liquid channel 10 for circulating a cooling liquid is located inside the stator fixing base 5 and is connected to an external compressor through a connection pipe 17. The number of cooling liquid channels 10 is equal to the number of stator slots and the cooling liquid channels 10 are located above and below the lower stator slots so as not to disturb the closure of the magnetic field through the stator teeth.
As shown in fig. 7, the coil of the stator mechanism 4 is made of a rectangular insulated wire and inserted into the stator core slot to form a three-phase winding. In order to connect the coils to each other, the insulation of the coil ends must be removed.
As shown in fig. 8, a view of a stator core 8 having upper and lower windings and terminals for switching and connecting three-phase power supplies is shown. The terminals of the contacts are used for up and down coil switching schemes. Up _ in _ 1-represents the input of the first two-layer upper coil, Up _ out _ 1-represents the output of the first two-layer upper coil, and the same applies to the lower layer, Down _ in _ 1-the input of the first two-layer lower coil, Down _ out _ 1-the output of the first two-layer lower coil.
In the present embodiment, the stator core 8 is assembled by several corner segments 18, each corner segment 18 is arranged in a staggered manner, each corner segment 18 is composed of oriented ferromagnetic steel plates bonded or welded together, and the stator mechanism 4 and the stator core 8 are separated by dielectric insulating paper 19.
The stator core 8 is made of a ferromagnetic anisotropic laminate of electrical steel, or an isotropic laminate of electrical steel, or an amorphous laminated foil, or a material having high magnetic permeability, an insulated powder soft magnetic composite material. To reduce eddy current losses and to increase the heat transfer between the old liquid and the cooling liquid.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A birotor radial permanent magnet motor is characterized in that: the rotor comprises an outer rotor (1), an inner rotor (2), a rotor fixing seat (3), a stator mechanism (4) and a stator fixing seat (5), wherein an outer rotor permanent magnet (6) is uniformly and fixedly installed on the inner surface of the outer rotor (1), an inner rotor permanent magnet (7) is uniformly and fixedly installed on the outer surface of the inner rotor (2), the rotor fixing seat (3) comprises an outer rotor fixing ring (31) and an inner rotor fixing ring (32), the outer rotor fixing ring (31) and the inner rotor fixing ring (32) are fixedly connected through a connecting plate (33), the end part of the outer rotor (1) is fixedly installed on the outer rotor fixing ring (31), and the end part of the inner rotor (2) is fixedly installed on the inner rotor fixing;
the utility model provides a cooling device, including stator mechanism (4), ceramic cooling tube (9) and coolant liquid passageway (10), be provided with stator core (8) in stator mechanism (4), insert ceramic cooling tube (9) in the core groove of stator core (8), ceramic cooling tube (9) are linked together with coolant liquid passageway (10), coolant liquid passageway (10) set up inside stator fixing base (5), coolant liquid passageway (10) are connected to outside compressor through connecting pipe (17), be provided with outer axle (11) and interior axle (12) in the middle of inner rotor (2), outer axle (11) are connected with stator fixing base (5) through first bearing (15), interior axle (12) are connected with rotor fixing base (3) through second bearing (16).
2. The dual rotor radial permanent magnet motor of claim 1, wherein: the stator core (8) is formed by assembling a plurality of corner sections (18), each corner section (18) is arranged in a staggered mode, each corner section (18) is formed by bonding or welding oriented ferromagnetic steel plates together, and the stator mechanism (4) and the stator core (8) are separated through dielectric insulating paper (19).
3. The dual rotor radial permanent magnet motor of claim 1, wherein: the stator mechanism (4) comprises an upper winding and a lower winding, the upper winding and the lower winding are composed of six independent coils, each coil is composed of two layers, each layer comprises twelve and two turns of coils, and the six upper stator coils are connected with the six lower stator coils in series.
4. A dual rotor radial permanent magnet motor according to claim 3, wherein: the cross section of each phase coil of the upper and lower windings has a substantially rectangular cross section.
5. The dual rotor radial permanent magnet motor of claim 1, wherein: concentrated alternating magnetic fields are generated in gaps between the outer rotor permanent magnet (6) and the stator core (8) and between the inner rotor permanent magnet (7).
6. The dual rotor radial permanent magnet motor of claim 1, wherein: the number of the outer rotor permanent magnets (6) and the number of the inner rotor permanent magnets (7) are even numbers, and the outer rotor permanent magnets and the inner rotor permanent magnets are mutually separated in pairs at equal distances, and the ratio of the number of poles of the outer rotor permanent magnets (6) and the inner rotor permanent magnets (7) to the number of grooves in the outer rotor (1) and the inner rotor (2) is 2: 6.
7. the dual rotor radial permanent magnet motor of claim 1, wherein: the stator core (8) is made of a ferromagnetic anisotropic laminate of electrical steel, or an isotropic laminate of electrical steel, or an amorphous laminated foil, or a material with high magnetic permeability, an insulated powder soft magnetic composite material.
8. The dual rotor radial permanent magnet motor of claim 1, wherein: and a rotor position sensor (13) is arranged on the stator fixing seat (5).
CN202110297565.0A 2021-03-19 2021-03-19 Birotor radial permanent magnet motor Pending CN112994390A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CN202110297565.0A CN112994390A (en) 2021-03-19 2021-03-19 Birotor radial permanent magnet motor
CN202111345813.0A CN114499089A (en) 2021-03-19 2021-11-15 Permanent magnet double-rotor motor
CN202111345853.5A CN113890295A (en) 2021-03-19 2021-11-15 Magnetic steel array of permanent magnet double-rotor motor
CN202111345718.0A CN114337164A (en) 2021-03-19 2021-11-15 Method for reducing torque pulsation of permanent magnet double-rotor motor
CN202122783637.0U CN216751486U (en) 2021-03-19 2021-11-15 Magnetic steel array of permanent magnet double-rotor motor
CN202111345814.5A CN114337166A (en) 2021-03-19 2021-11-15 Magnetic steel setting method of permanent magnet double-rotor motor
CN202111345719.5A CN114337165A (en) 2021-03-19 2021-11-15 Manufacturing method of motor double rotors
CN202122783591.2U CN216751485U (en) 2021-03-19 2021-11-15 Permanent magnet double-rotor motor
CN202111345845.0A CN114337167A (en) 2021-03-19 2021-11-15 Double-rotor structure of permanent magnet motor
CN202122787429.8U CN216751487U (en) 2021-03-19 2021-11-15 Double-rotor structure of permanent magnet motor
CN202210278400.3A CN114884295A (en) 2021-03-19 2022-03-21 Double-rotor motor stator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110297565.0A CN112994390A (en) 2021-03-19 2021-03-19 Birotor radial permanent magnet motor

Publications (1)

Publication Number Publication Date
CN112994390A true CN112994390A (en) 2021-06-18

Family

ID=76334066

Family Applications (11)

Application Number Title Priority Date Filing Date
CN202110297565.0A Pending CN112994390A (en) 2021-03-19 2021-03-19 Birotor radial permanent magnet motor
CN202122783637.0U Active CN216751486U (en) 2021-03-19 2021-11-15 Magnetic steel array of permanent magnet double-rotor motor
CN202111345814.5A Pending CN114337166A (en) 2021-03-19 2021-11-15 Magnetic steel setting method of permanent magnet double-rotor motor
CN202122783591.2U Active CN216751485U (en) 2021-03-19 2021-11-15 Permanent magnet double-rotor motor
CN202111345845.0A Pending CN114337167A (en) 2021-03-19 2021-11-15 Double-rotor structure of permanent magnet motor
CN202111345853.5A Pending CN113890295A (en) 2021-03-19 2021-11-15 Magnetic steel array of permanent magnet double-rotor motor
CN202122787429.8U Active CN216751487U (en) 2021-03-19 2021-11-15 Double-rotor structure of permanent magnet motor
CN202111345813.0A Pending CN114499089A (en) 2021-03-19 2021-11-15 Permanent magnet double-rotor motor
CN202111345719.5A Pending CN114337165A (en) 2021-03-19 2021-11-15 Manufacturing method of motor double rotors
CN202111345718.0A Pending CN114337164A (en) 2021-03-19 2021-11-15 Method for reducing torque pulsation of permanent magnet double-rotor motor
CN202210278400.3A Pending CN114884295A (en) 2021-03-19 2022-03-21 Double-rotor motor stator

Family Applications After (10)

Application Number Title Priority Date Filing Date
CN202122783637.0U Active CN216751486U (en) 2021-03-19 2021-11-15 Magnetic steel array of permanent magnet double-rotor motor
CN202111345814.5A Pending CN114337166A (en) 2021-03-19 2021-11-15 Magnetic steel setting method of permanent magnet double-rotor motor
CN202122783591.2U Active CN216751485U (en) 2021-03-19 2021-11-15 Permanent magnet double-rotor motor
CN202111345845.0A Pending CN114337167A (en) 2021-03-19 2021-11-15 Double-rotor structure of permanent magnet motor
CN202111345853.5A Pending CN113890295A (en) 2021-03-19 2021-11-15 Magnetic steel array of permanent magnet double-rotor motor
CN202122787429.8U Active CN216751487U (en) 2021-03-19 2021-11-15 Double-rotor structure of permanent magnet motor
CN202111345813.0A Pending CN114499089A (en) 2021-03-19 2021-11-15 Permanent magnet double-rotor motor
CN202111345719.5A Pending CN114337165A (en) 2021-03-19 2021-11-15 Manufacturing method of motor double rotors
CN202111345718.0A Pending CN114337164A (en) 2021-03-19 2021-11-15 Method for reducing torque pulsation of permanent magnet double-rotor motor
CN202210278400.3A Pending CN114884295A (en) 2021-03-19 2022-03-21 Double-rotor motor stator

Country Status (1)

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CN (11) CN112994390A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116526722A (en) * 2023-03-10 2023-08-01 广东白云学院 Axial magnetic flux magnetic-yoke-free hub motor with ceramic air cooling structure
CN117748872A (en) * 2024-02-21 2024-03-22 清华大学 Radial double-rotor motor
CN117748872B (en) * 2024-02-21 2024-04-19 清华大学 Radial double-rotor motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116526722A (en) * 2023-03-10 2023-08-01 广东白云学院 Axial magnetic flux magnetic-yoke-free hub motor with ceramic air cooling structure
CN116526722B (en) * 2023-03-10 2023-12-19 广东白云学院 Axial magnetic flux magnetic-yoke-free hub motor with ceramic air cooling structure
CN117748872A (en) * 2024-02-21 2024-03-22 清华大学 Radial double-rotor motor
CN117748872B (en) * 2024-02-21 2024-04-19 清华大学 Radial double-rotor motor

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Publication number Publication date
CN114337166A (en) 2022-04-12
CN114337167A (en) 2022-04-12
CN113890295A (en) 2022-01-04
CN114884295A (en) 2022-08-09
CN114337164A (en) 2022-04-12
CN216751487U (en) 2022-06-14
CN216751485U (en) 2022-06-14
CN114337165A (en) 2022-04-12
CN114499089A (en) 2022-05-13
CN216751486U (en) 2022-06-14

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Application publication date: 20210618