Rotating electrical machine

Details Rotating electrical machine Rotating electrical machine

2006-01-31

2008-09-02

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06800R

Reexamination Certificate

active

07420312

ABSTRACT:
Provided is a rotating electrical machine including an armature core on which an armature winding is wound; a rotor core which is supported by a rotation axis at a predetermined air gap in an inner diameter side of the armature core, and includes claw-shaped magnetic pole portions in which adjacent magnetic poles have different poles and a cylindrical portion having a field winding; and a permanent magnet which is provided in a magnetic circuit of the rotor core and supplies magnetic flux to the armature core with the field winding, wherein a magnetic short-circuiting mechanism for demagnetizing the magnetic flux of the permanent magnet by deforming a portion of the magnetic short-circuiting mechanism by a centrifugal force and short-circuiting between the magnetic pole portions of the rotor core is provided in the rotor core.

REFERENCES:
patent: 4990812 (1991-02-01), Nam
patent: 6563246 (2003-05-01), Kajiura et al.
patent: 6750587 (2004-06-01), York et al.
patent: 2006/0158053 (2006-07-01), Aschoff et al.
patent: 2536603 (1984-05-01), None
patent: 61244255 (1986-10-01), None
patent: 2001275326 (2001-10-01), None
patent: 2001314053 (2001-11-01), None
patent: 2001359263 (2001-12-01), None

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