Electric motor with rotor support means

Details Electric motor with rotor support means Electric motor with rotor support means

1994-10-14

1996-10-22

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 49R, 310260, H02K 516

Patent

active

055679986

ABSTRACT:
An electric motor includes a rotor having at one end a plastic journal bearing which is rotatably supported in an annular portion of a metallic bearing member secured in an integrally-molded bearing support part of a stator. This part is molded to provide axially adjacent first and second cylindrical bores. The annular portion of the metallic bearing member is interference fitted into the first bore and has a plurality of angularly-spaced locking tabs which pierce respective sidewall portions of the second bore.

REFERENCES:
patent: 3794869 (1974-02-01), Apostoleris
patent: 4504754 (1985-03-01), Stone
patent: 4623810 (1986-11-01), Smith
patent: 4800309 (1989-01-01), Lakin
patent: 4806025 (1989-02-01), Kamiyama et al.
patent: 4920289 (1990-04-01), Saito
patent: 4924127 (1990-05-01), Boireau et al.
patent: 5247216 (1993-09-01), Bosman et al.
patent: 5273369 (1993-12-01), Strobl
patent: 5405199 (1995-04-01), Mabuchi et al.
patent: 5455471 (1995-10-01), Dowell

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