CN105811602B - A kind of structure of electric machine iron core - Google Patents
A kind of structure of electric machine iron core Download PDFInfo
- 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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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/12—Transversal flux machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
Landscapes
- 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
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).
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CN201610365772.4A CN105811602B (en) | 2016-05-30 | 2016-05-30 | A kind of structure of electric machine iron core |
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CN201610365772.4A CN105811602B (en) | 2016-05-30 | 2016-05-30 | A kind of structure of electric machine iron core |
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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)
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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JP2001327138A (en) * | 2000-05-12 | 2001-11-22 | Nippon Riken Kk | Motor utilizing converging phenomenon of magnetic flux |
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Patent Citations (3)
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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