US 2010/0141060 A1Published application

Axial motor

AssigneeSumitomo Electric Industries, Ltd.

InventorsToru Okazaki, Shingo Ohashi, Hidehiko Sugimoto

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Abstract

An axial motor includes an armature side stator (13), a pair of rotors, and a pair of stators, which are arranged with gaps left therebetween in the axial direction of a drive shaft (34). The armature side stator (13) includes armature coils (24). The pair of rotors are a first rotor (12) and a second rotor (14) that are arranged on both sides of the stator (13) and include inducers (20, 21, 27, 28). The pair of stators are a first field side stator (11) and a second field side stator (16) that are arranged respectively on oppositely spacing sides of the first rotor and the second rotor. The first and second rotors (12, 14) are mounted to the drive shaft (34). The first and second field side stators (11, 15) include respectively first and second field coils (18, 31) arranged in a tone form about the axis of the drive shaft (34). The first and second field coils (18, 31) are supplied with currents in opposed directions such that magnetic fluxes are generated in the first and second field coils (18, 31) in opposed directions.

An axial motor comprising an armature side stator, a pair of first rotor and second rotor arranged on both sides of the armature side stator and including inductors, and a pair of first field side stator and second field side stator arranged respectively on oppositely spacing sides of the first rotor and the second rotor, which stators and rotors are arranged with gaps left therebetween in an axial direction of a drive shaft, the first and second rotors being mounted to the drive shaft,

wherein the armature side stator includes a plurality of armature coils arranged at intervals in a circumferential direction,
wherein the first and second field side stators include respectively first and second field coils arranged in a tonic form about an axis of the drive shaft, the first and second field coils being supplied with currents in opposed directions,
wherein the first rotor includes a first inductor made of a magnetic material and having one end surface positioned to face the first field coil and the other end surface positioned to face the outer peripheral side of the first field coil, and a second inductor made of a magnetic material and having one end surface positioned to face the armature coil and the other end surface positioned to face the inner peripheral side of the first field coil, the first inductor and the second inductor being alternately arranged in the circumferential direction,
wherein the second rotor includes a third inductor made of a magnetic material and having one end surface positioned to face the other end surface of the armature coil and the other end surface positioned to face the inner peripheral side of the second field coil, and a fourth inductor made of a magnetic material and having one end surface positioned to face the other end surface of the armature coil and the other end surface positioned to face the outer peripheral side of the second field coil, the third inductor and the fourth inductor being alternately arranged in the circumferential direction, and
wherein the first and second field coils included in the first and second field side stators generate magnetic fluxes in opposed directions.

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Facts

Application

11/996,798Filed 17 Apr 2006

Priority

JP 2005-21924328 Jul 2005

Published

10 Jun 2010

Term ends

Not estimatedThe source records don’t support an estimate.

Classification4 codes

H02K 55/04
Of the synchronous type: with rotating field windings
H02K 19/103
For multi-phase current: motors having windings on the stator and a variable reluctance soft-iron rotor without windings
H02K 19/24
Having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators: with variable-reluctance…
H02K
Dynamo-electric machines

Abstract

Claims4