Motor

Details Motor Motor

2007-01-23

2008-08-19

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S049030

Reexamination Certificate

active

07414340

ABSTRACT:
A motor may include a rotor provided with a permanent magnet, a stator whose inner peripheral face faces an outer peripheral face of the permanent magnet, a first radial bearing fixed to an end portion on an output side of the stator for rotatably supporting the rotor shaft on an output side, a second radial bearing rotatably supporting the rotor shaft on an opposite output side, a spring member which is disposed between the first radial bearing and an end face on the output side of the rotor for urging the rotor on an opposite output side, and a thrust bearing plate which is fixed to an end portion on the opposite output side of the stator and with which a shaft end on the opposite output side of the rotor shaft is abutted.

REFERENCES:
patent: 3633044 (1972-01-01), Maier
patent: 3735165 (1973-05-01), Touchman et al.
patent: 4438361 (1984-03-01), Manson
patent: 5097162 (1992-03-01), Wang
patent: 5747897 (1998-05-01), Iwasa et al.
patent: 5895120 (1999-04-01), Campbell et al.
patent: 2006/0261684 (2006-11-01), Sonohara et al.
patent: 2005-20857 (2005-01-01), None

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