CN105811602B - A kind of structure of electric machine iron core - Google Patents

A kind of structure of electric machine iron core Download PDF

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Publication number
CN105811602B
CN105811602B CN201610365772.4A CN201610365772A CN105811602B CN 105811602 B CN105811602 B CN 105811602B CN 201610365772 A CN201610365772 A CN 201610365772A CN 105811602 B CN105811602 B CN 105811602B
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Prior art keywords
iron core
rotor
stator
back segment
leading portion
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CN201610365772.4A
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CN105811602A (en
Inventor
陈奚平
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Shanghai Dingte Electric Appliance Co Ltd
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Shanghai Dingte Electric Appliance Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148Sectional cores
    • 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
    • H02K1/24Rotor cores with salient poles ; Variable reluctance rotors
    • 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
    • H02K1/2706Inner rotors
    • H02K1/2713Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2201/00Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/12Transversal flux machines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2201/00Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/15Sectional machines

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention discloses a kind of structures of electric machine iron core, the electric machine iron core includes stator core and rotor core, the stator core and rotor core are made of segment structure before, during and after mutual corresponding, and wherein stator leading portion iron core and rotor leading portion iron core are linked together with stator back segment iron core and rotor back segment iron core respectively by corresponding magnetic conductive part.Salient-pole structure needed for the present invention constitutes motor stator and rotor using mature radial magnetic field production method, two radial magnetic fields are linked together by using axial magnetic conduction connector and constitute the stator, rotor structures of horizontal magnetic field motor, become a field circuit that is with good magnetic property and axially working along motor, the feature that the structure of radial magnetic field is simple, intensity is high is applied in the design of transverse magnetic field, making the design of axial magnetic field also has simplicity and practicability, so that the wide popularization and application for horizontal magnetic field motor is laid a good foundation.

Description

A kind of structure of electric machine iron core
Technical field
The invention belongs to motor field, in particular to a kind of structure of transverse flux motor iron core.
Background technique
Transverse flux motor since the advent of the world, exclusive characteristic cause the concern of electromechanics trade, its short, magnetic with magnetic circuit The characteristics of power is concentrated, makes the design process of motor be easy to analyze, changes original design process by ignoring certain factor institutes The not high situation of the accuracy being easy to produce, reduces design data and experimental result needs modified process repeatedly.
For conventional motor, due to its magnetic direction be it is radial, so as to simply use silicon steel sheet Superposition constitutes the magnetic loop of motor, however for the designer of transverse flux motor, since its magnetic direction is according to electricity Machine is axially arranged, thus emphasis is needed to consider to influence brought by torque in structure design, particularly with high-power electricity It is even more so for machine.
Summary of the invention
It is an object of the invention to: in view of the above problems, providing one kind can be made using the design of simple structure Motor works in the mode of transverse magnetic field, and the structure of the electric machine iron core with enough torsional strengths.
The technical scheme of the present invention is realized as follows: a kind of structure of electric machine iron core, the electric machine iron core include stator Iron core and rotor core, it is characterised in that: the stator core is by stator leading portion iron core, stator middle section iron core and stator back segment Iron core composition, the stator leading portion iron core is identical with stator back segment core structure and is symmetrically disposed in stator middle section iron core both ends And it is concentrically formed an integrally-built stator core, stator middle section iron core is annular in shape and does not have on iron leg core in the stator Salient pole portion, the stator leading portion iron core and stator back segment iron core are linked together by stator magnetic conductive part, the rotor core by Rotor leading portion iron core, rotor middle section iron core and rotor back segment iron core composition, the rotor leading portion iron core and rotor back segment iron core Structure is identical and is symmetrically disposed in rotor middle section iron core both ends and forms an integrally-built rotor core, the rotor middle section Iron core is annular in shape and does not have salient pole portion on iron leg core in the rotor, and the rotor leading portion iron core and rotor back segment iron core are by turning Sub- magnetic conductive part links together, and the stator leading portion iron core, stator middle section iron core and stator back segment iron core are respectively and before rotor Iron leg core, rotor middle section iron core and rotor back segment iron core correspond to concentric fit.
The structure of electric machine iron core of the present invention, stator middle section iron core and rotor middle section iron core are magnetic conduction material Material is respectively formed stator magnetic conductive part and rotor magnetic conductive part, and the stator leading portion iron core and stator back segment iron core pass through permeability magnetic material Stator middle section iron core links together, iron leg in the rotor that the rotor leading portion iron core and rotor back segment iron core pass through permeability magnetic material Core links together.
The structure of electric machine iron core of the present invention, stator middle section iron core and rotor middle section iron core are non-magnetic Material is provided with phase along its axial direction in the excircle of the stator leading portion iron core, stator middle section iron core and stator back segment iron core Intercommunicated stator welding groove is provided with stator connection magnetic conduction inserts, the stator leading portion iron core in the stator welding groove Couple magnetic conduction inserts by stator with stator back segment iron core to link together, in the rotor leading portion iron core, rotor middle section iron core And rotor back segment iron core inner hole wall is provided with interconnected rotor welding slot along its axial direction, sets in the rotor welding slot It is equipped with rotor connection magnetic conduction inserts, the rotor leading portion iron core and rotor back segment iron core couple magnetic conduction inserts by rotor and be connected to Together.
The structure of electric machine iron core of the present invention, position that the stator welding groove opens up and stator leading portion iron core and Stator salient poles portion in stator back segment iron core is corresponding, behind position and rotor leading portion iron core that the rotor welding slot opens up and rotor Rotor with salient pole portion in iron leg core is corresponding.
The structure of electric machine iron core of the present invention, iron leg before the stator leading portion iron core, stator back segment iron core, rotor Core and rotor back segment iron core are all made of Pure iron forging and forming.
The structure of electric machine iron core of the present invention, iron leg before the stator leading portion iron core, stator back segment iron core, rotor Core and rotor back segment iron core are all made of silicon steel sheet punching press superposition and are molded with, in the stator leading portion iron core, stator middle section iron core And the excircle of stator back segment iron core is provided with interconnected stator welding groove along its axial direction, in the stator welding groove It is provided with stator connection magnetic conduction inserts, the stator leading portion iron core couples magnetic conduction inserts by stator with stator back segment iron core and connects Together, its axial direction is provided with phase in the rotor leading portion iron core, rotor middle section iron core and rotor back segment iron core inner hole wall Intercommunicated rotor welding slot is provided with rotor connection magnetic conduction inserts, the rotor leading portion iron core in the rotor welding slot Couple magnetic conduction inserts by rotor with rotor back segment iron core to link together.
The structure of electric machine iron core of the present invention, in each stator of the stator leading portion iron core and stator back segment iron core Salient pole end surface is respectively arranged with stator salient poles portion welding groove, is provided with stator salient poles portion in stator salient poles portion welding groove Couple magnetic conduction inserts.
The structure of electric machine iron core of the present invention, position that the stator welding groove opens up and stator leading portion iron core and Stator salient poles portion in stator back segment iron core is corresponding, behind position and rotor leading portion iron core that the rotor welding slot opens up and rotor Rotor with salient pole portion in iron leg core is corresponding.
The structure of electric machine iron core of the present invention, it is convex in the rotor of the rotor leading portion iron core and rotor back segment iron core The end face in pole portion is respectively arranged with permanent magnet.
The structure of electric machine iron core of the present invention, adjacent the two of the rotor leading portion iron core and rotor back segment iron core Rotor filling block is provided between a rotor with salient pole portion, the rotor leading portion iron core and rotor back segment iron core pass through rotor filling block It is respectively formed complete cylindrical structure, in the periphery of the rotor leading portion iron core and rotor back segment iron core that are provided with rotor filling block It is socketed with rotor outer circle set.
Salient-pole structure needed for the present invention constitutes motor stator and rotor using mature radial magnetic field production method, by adopting Two radial magnetic fields are linked together with axial magnetic conduction connector and constitute the stator, rotor structures of horizontal magnetic field motor, make it With good magnetic property and along the field circuit that motor axially works as one, the structure radial magnetic field is simple, strong High feature is spent applied in the design of transverse magnetic field, makes the design of axial magnetic field that also there is simplicity and practicability, to be The wide popularization and application of horizontal magnetic field motor is laid a good foundation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the assembling schematic diagram of stator front and rear sections iron core and rotor front and rear sections iron core in the present invention.
Fig. 3 is the assembling schematic diagram of stator middle section iron core and rotor middle section iron core in the present invention.
Fig. 4 is the structural schematic diagram of rotor front and rear sections iron core in the present invention.
Marked in the figure: 1 is stator core, 1a is stator leading portion iron core, and 1b is stator middle section iron core, and 1c is iron leg after stator Core, 2 be rotor core, and 2a is rotor leading portion iron core, and 2b is rotor middle section iron core, and 2c is rotor back segment iron core, and 3 weld for stator Slot, 4 be stator connection magnetic conduction inserts, and 5 be rotor welding slot, and 6 couple magnetic conduction inserts for rotor, and 7 be stator salient poles portion, and 8 be to turn Sub- salient pole portion, 9 be stator salient poles portion welding groove, and 10 couple magnetic conduction inserts for stator salient poles portion, and 11 be permanent magnet, and 12 fill out for rotor Block is filled, 13 be rotor outer circle set, and 14 be armature spindle.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment 1: as shown in Figure 1,2 and 3, a kind of structure of electric machine iron core, the electric machine iron core includes 1 He of stator core Rotor core 2, the rotor core are socketed on armature spindle 14, and the stator core 1 is by stator leading portion iron core 1a, stator middle section Iron core 1b and stator back segment iron core 1c composition, the stator leading portion iron core 1a and stator back segment iron core 1c structure are identical and symmetrical Ground is arranged the both ends iron leg core 1b in the stator and is concentrically formed an integrally-built stator core 1, the stator middle section iron core 1b It is annular in shape and no salient pole portion on iron leg core 1b, the stator leading portion iron core 1a and stator back segment iron core 1c pass through in the stator Stator magnetic conductive part links together, and the rotor core 2 is by rotor leading portion iron core 2a, rotor middle section iron core 2b and rotor back segment Iron core 2c composition, the rotor leading portion iron core 2a is identical with rotor back segment iron core 2c structure and is symmetrically disposed in iron leg in rotor The both ends core 2b simultaneously form an integrally-built rotor core 2, and the rotor middle section iron core 2b is annular in shape and iron leg in the rotor No salient pole portion on core 2b, the rotor leading portion iron core 2a and rotor back segment iron core 2c are linked together by rotor magnetic conductive part, The stator leading portion iron core 1a, stator middle section iron core 1b and stator back segment iron core 1c respectively with rotor leading portion iron core 2a, rotor Middle section iron core 2b and rotor back segment iron core 2c correspond to concentric fit.
Wherein, the stator leading portion iron core 1a, stator back segment iron core 1c, rotor leading portion iron core 2a and rotor back segment iron core 2c It is all made of Pure iron forging and forming, or forms whole magnetic conduction construction using other processing technologys;Iron leg in the stator Core 1b and rotor middle section iron core 2b is that permeability magnetic material is respectively formed stator magnetic conductive part and rotor magnetic conductive part, iron leg before the stator Core 1a and stator back segment iron core 1c is linked together by the stator middle section iron core 1b of permeability magnetic material, the rotor leading portion iron core 2a It is linked together with rotor back segment iron core 2c by the rotor middle section iron core 2b of permeability magnetic material.
As shown in figure 4, in the present embodiment, in the rotor with salient pole of the rotor leading portion iron core 2a and rotor back segment iron core 2c The end face in portion 8 is respectively arranged with permanent magnet 11, at two neighboring turn of the rotor leading portion iron core 2a and rotor back segment iron core 2c Rotor filling block 12 is provided between sub- salient pole portion 8, the rotor leading portion iron core 2a and rotor back segment iron core 2c are filled out by rotor It fills block 12 and is respectively formed complete cylindrical structure, in the rotor leading portion iron core 2a and rotor back segment for being provided with rotor filling block 12 The periphery of iron core 2c is socketed with rotor outer circle set 13.
Embodiment 2: the stator middle section iron core 1b and rotor middle section iron core 2b is non-magnet material, before the stator The excircle of iron leg core 1a, stator middle section iron core 1b and stator back segment iron core 1c are provided with interconnected stator along its axial direction Welding groove 3, is provided with stator connection magnetic conduction inserts 4 in the stator welding groove 3, after the stator leading portion iron core 1a and stator Iron leg core 1c by stator couple magnetic conduction inserts 4 link together, the rotor leading portion iron core 2a, rotor middle section iron core 2b with And rotor back segment iron core 2c inner hole wall is provided with interconnected rotor welding slot 5 along its axial direction, in the rotor welding slot 5 It is embedding by rotor connection magnetic conduction to be provided with rotor connection magnetic conduction inserts 6, the rotor leading portion iron core 2a and rotor back segment iron core 2c Part 6 links together.
Wherein, determine with stator leading portion iron core 1a and stator back segment iron core 1c the position that the stator welding groove 3 opens up Sub- salient pole portion 7 is corresponding, turns in the position and rotor leading portion iron core 2a and rotor back segment iron core 2c that the rotor welding slot 5 opens up Sub- salient pole portion 8 is corresponding.
Other structures are same as Example 1.
Embodiment 3: the stator leading portion iron core: iron leg after 1a, stator back segment iron core 1c, rotor leading portion iron core 2a and rotor Core 2c is all made of silicon steel sheet punching press superposition and is molded with, in the stator leading portion iron core 1a, stator middle section iron core 1b and stator The excircle of back segment iron core 1c is provided with interconnected stator welding groove 3 along its axial direction, is arranged in the stator welding groove 3 There is stator to couple magnetic conduction inserts 4, the stator leading portion iron core 1a and stator back segment iron core 1c and the company of magnetic conduction inserts 4 is coupled by stator It is connected together, in the rotor leading portion iron core 2a, rotor middle section iron core 2b and rotor back segment iron core 2c inner hole wall along its axial direction Be provided with interconnected rotor welding slot 5, be provided in the rotor welding slot 5 rotor connection magnetic conduction inserts 6, described turn Sub- leading portion iron core 2a and rotor back segment iron core 2c couples magnetic conduction inserts 6 by rotor and links together.
Wherein, it is respectively set in each 7 end face of stator salient poles portion of the stator leading portion iron core 1a and stator back segment iron core 1c There is stator salient poles portion welding groove 9, connection magnetic conduction inserts 10 in stator salient poles portion be provided in stator salient poles portion welding groove 9, The position that the stator welding groove 3 opens up is corresponding with the stator salient poles portion 7 in stator leading portion iron core 1a and stator back segment iron core 1c, The position that the rotor welding slot 5 opens up is corresponding with the rotor with salient pole portion 8 in rotor leading portion iron core 2a and rotor back segment iron core 2c.
Other structures are same as Example 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (9)

1. a kind of structure of electric machine iron core, the electric machine iron core includes stator core (1) and rotor core (2), it is characterised in that: The stator core (1) is made of stator leading portion iron core (1a), stator middle section iron core (1b) and stator back segment iron core (1c), institute It is identical with stator back segment iron core (1c) structure and be symmetrically disposed in stator middle section iron core (1b) two to state stator leading portion iron core (1a) Hold and be concentrically formed an integrally-built stator core (1), stator middle section iron core (1b) is annular in shape and section in the stator No salient pole portion on iron core (1b), the stator leading portion iron core (1a) are connected with stator back segment iron core (1c) by stator magnetic conductive part Together, the rotor core (2) is by rotor leading portion iron core (2a), rotor middle section iron core (2b) and rotor back segment iron core (2c) Composition, the rotor leading portion iron core (2a) is identical with rotor back segment iron core (2c) structure and is symmetrically disposed in rotor middle section iron core The both ends (2b) simultaneously form an integrally-built rotor core (2), and rotor middle section iron core (2b) is annular in shape and in the rotor No salient pole portion on iron leg core (2b), the rotor leading portion iron core (2a) and rotor back segment iron core (2c) are connected by rotor magnetic conductive part Be connected together, the stator leading portion iron core (1a), stator middle section iron core (1b) and stator back segment iron core (1c) respectively with rotor The corresponding concentric fit of leading portion iron core (2a), rotor middle section iron core (2b) and rotor back segment iron core (2c), in the rotor leading portion The end face in the rotor with salient pole portion (8) of iron core (2a) and rotor back segment iron core (2c) is respectively arranged with permanent magnet (11).
2. the structure of electric machine iron core according to claim 1, it is characterised in that: stator middle section iron core (1b) and rotor Middle section iron core (2b) is that permeability magnetic material is respectively formed stator magnetic conductive part and rotor magnetic conductive part, the stator leading portion iron core (1a) and Stator back segment iron core (1c) is linked together by stator middle section iron core (1b) of permeability magnetic material, the rotor leading portion iron core (2a) It is linked together with rotor back segment iron core (2c) by rotor middle section iron core (2b) of permeability magnetic material.
3. the structure of electric machine iron core according to claim 1, it is characterised in that: stator middle section iron core (1b) and rotor Middle section iron core (2b) is non-magnet material, after the stator leading portion iron core (1a), stator middle section iron core (1b) and stator The excircle of iron leg core (1c) is provided with interconnected stator welding groove (3) along its axial direction, in the stator welding groove (3) Stator connection magnetic conduction inserts (4), the stator leading portion iron core (1a) and stator back segment iron core (1c) is provided with to couple by stator Magnetic conduction inserts (4) links together, in the rotor leading portion iron core (2a), rotor middle section iron core (2b) and rotor back segment iron core (2c) inner hole wall is provided with interconnected rotor welding slot (5) along its axial direction, is provided with and turns in the rotor welding slot (5) Son connection magnetic conduction inserts (6), the rotor leading portion iron core (2a) and rotor back segment iron core (2c) couple magnetic conduction inserts by rotor (6) it links together.
4. the structure of electric machine iron core according to claim 3, it is characterised in that: the position that the stator welding groove (3) opens up Set, the rotor welding slot (5) corresponding with stator salient poles portion (7) in stator leading portion iron core (1a) and stator back segment iron core (1c) The position opened up is corresponding with rotor with salient pole portion (8) in rotor leading portion iron core (2a) and rotor back segment iron core (2c).
5. according to the structure of electric machine iron core described in claim 2,3 or 4, it is characterised in that: the stator leading portion iron core (1a), Stator back segment iron core (1c), rotor leading portion iron core (2a) and rotor back segment iron core (2c) are all made of Pure iron forging and forming.
6. the structure of electric machine iron core according to claim 1, it is characterised in that: the stator leading portion iron core (1a), stator Back segment iron core (1c), rotor leading portion iron core (2a) and rotor back segment iron core (2c) are all made of silicon steel sheet punching press superposition and are molded with, It is set in the excircle of the stator leading portion iron core (1a), stator middle section iron core (1b) and stator back segment iron core (1c) along its axial direction It is equipped with interconnected stator welding groove (3), stator connection magnetic conduction inserts (4), institute are provided in the stator welding groove (3) It states stator leading portion iron core (1a) and stator back segment iron core (1c) to link together by stator connection magnetic conduction inserts (4), described Rotor leading portion iron core (2a), rotor middle section iron core (2b) and rotor back segment iron core (2c) inner hole wall are provided with mutually along its axial direction The rotor welding slot (5) of connection is provided with rotor in the rotor welding slot (5) and couples magnetic conduction inserts (6), before the rotor Iron leg core (2a) and rotor back segment iron core (2c) are linked together by rotor connection magnetic conduction inserts (6).
7. the structure of electric machine iron core according to claim 6, it is characterised in that: in the stator leading portion iron core (1a) and determine Each stator salient poles portion (7) end face of sub- back segment iron core (1c) is respectively arranged with stator salient poles portion welding groove (9), in the salient stator Stator salient poles portion connection magnetic conduction inserts (10) is provided in pole portion welding groove (9).
8. the structure of electric machine iron core according to claim 7, it is characterised in that: the position that the stator welding groove (3) opens up Set, the rotor welding slot (5) corresponding with stator salient poles portion (7) in stator leading portion iron core (1a) and stator back segment iron core (1c) The position opened up is corresponding with rotor with salient pole portion (8) in rotor leading portion iron core (2a) and rotor back segment iron core (2c).
9. the structure of electric machine iron core according to claim 1, it is characterised in that: in the rotor leading portion iron core (2a) and turn It is provided with rotor filling block (12) between the two neighboring rotor with salient pole portion (8) of sub- back segment iron core (2c), iron leg before the rotor Core (2a) and rotor back segment iron core (2c) pass through rotor filling block (12) and are respectively formed complete cylindrical structure, turn being provided with The rotor leading portion iron core (2a) of sub- filling block (12) and the periphery of rotor back segment iron core (2c) are socketed with rotor outer circle set (13).
CN201610365772.4A 2016-05-30 2016-05-30 A kind of structure of electric machine iron core Active CN105811602B (en)

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Publication number Priority date Publication date Assignee Title
CN106972725B (en) * 2017-05-25 2023-09-12 上海鼎特电器有限公司 Single-phase permanent magnet type switch reluctance motor and control method thereof

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1455497A (en) * 2002-04-30 2003-11-12 杨永林 Rotor-exciting commutatorless direct current machine
CN102035270A (en) * 2010-12-17 2011-04-27 南京航空航天大学 Axial excitation double salient pole motors
CN205647062U (en) * 2016-05-30 2016-10-12 上海鼎特电器有限公司 Motor core's structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001327138A (en) * 2000-05-12 2001-11-22 Nippon Riken Kk Motor utilizing converging phenomenon of magnetic flux

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1455497A (en) * 2002-04-30 2003-11-12 杨永林 Rotor-exciting commutatorless direct current machine
CN102035270A (en) * 2010-12-17 2011-04-27 南京航空航天大学 Axial excitation double salient pole motors
CN205647062U (en) * 2016-05-30 2016-10-12 上海鼎特电器有限公司 Motor core's structure

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