Motor end bearings accommodating increased shaft lengths

Details Motor end bearings accommodating increased shaft lengths Motor end bearings accommodating increased shaft lengths

1987-07-20

1989-01-03

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

384439, H02K 516

Patent

active

047959266

ABSTRACT:
A motor having a housing comprising a case and a case cover, and bearings for supporting a motor rotating shaft fitted to the case and the case cover, respectively. The bearings are secured to the case and include a large diameter portion at one axial end having a diameter larger than the diameter of a bearing mounting hole in the case. The bearings also include a small diameter portion, provided at the other end thereof, which is extended continuously from the large diameter portion via a shoulder having such a diameter as to be fitted into the bearing mounting hole in the case. A recess is provided on the end face of the small diameter portion so as to permit a substantial increase the distance l between the bearings.

REFERENCES:
patent: 4007390 (1977-02-01), Muller et al.
patent: 4480881 (1984-11-01), Fujimori
patent: 4559461 (1985-12-01), Takahashi et al.

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