Hybrid induction motor

Details Hybrid induction motor Hybrid induction motor

2006-01-05

2008-12-02

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06800R, C310S114000, C310S156780, C310S166000, C310S211000, C318S727000, C361S023000

Reexamination Certificate

active

07459814

ABSTRACT:
The hybrid induction motor includes a housing; a stator installed in the housing and having a stator core portion and a stator coil portion; a rotor coupling body having a rotary shaft rotatably installed in at the housing, a cage rotor portion rotating integrally with the rotary shaft, and a permanent magnet rotor portion coupled to a circumference of the cage rotor portion with a certain air gap so as to rotate freely with respect to the rotary shaft; and a reverse rotation preventing switch, when the rotary shaft rotates reversibly, coming in contact with the permanent magnet rotor portion which is moved along the shaft by thrust generated by the rotor coupling body and cutting off power being supplied to the stator coil portion.

REFERENCES:
patent: 3501656 (1970-03-01), Morley
patent: 3821567 (1974-06-01), Erwin
patent: 4177395 (1979-12-01), Hore
patent: 4651040 (1987-03-01), Gerstner et al.
patent: 5117143 (1992-05-01), Iddings
patent: 2004/0174083 (2004-09-01), Han et al.
patent: 1455435 (2004-09-01), None
patent: 60-190141 (1985-09-01), None
U.S. Appl. No. 11/325,301 to Kim et al., filed Jan. 5, 2006.
U.S. Appl. No. 11/275,257 to Han et al., filed Dec. 21, 2005.
English Language Abstract of JP 60-190141.

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