Brushless DC motor and bearing holding therefor

Details Brushless DC motor and bearing holding therefor Brushless DC motor and bearing holding therefor

1996-09-27

1997-07-22

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 91, 417354, 417353, H02K 516, H02K 500

Patent

active

056506783

ABSTRACT:
A bearing holder capable of holding therein a pair of bearings while keeping axes of the bearings to be positively aligned with each other and minimizing stress applied to the bearings. The bearing holder which is made of plastic resin and in which the bearings are held is mounted on a housing made of plastic resin. The bearing holder includes a hollow cylindrical holder body which is provided on an inner surface thereof with a plurality of projections inwardly projected therefrom so as to be contacted with an outer periphery of each of the bearings. The projections each are formed so as to continuously extend in a longitudinal direction of the holder body. The holder body is formed at each of both ends thereof with a plurality of slits each extending along each of both sides of each of the slits.

REFERENCES:
patent: Re34268 (1993-06-01), Muller
patent: 4130770 (1978-12-01), Wrobel
patent: 4337405 (1982-06-01), Hishida
patent: 4633112 (1986-12-01), Miyake
patent: 5028216 (1991-07-01), Harmsen et al.

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