Motor

Details Motor Motor

1996-12-10

1998-07-28

Stephan, Steven A.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 384279, 384902, H02K 516, F16C 3302

Patent

active

057866481

ABSTRACT:
A motor comprises a rotary shaft, an oil impregnated sintered bearing rotatably supporting the rotary shaft, a bearing holder supporting the oil impregnated sintered bearing and a motor case. A lateral pressure device is provided to the rotary shaft which abrasively contacts the rotary shaft from a radial direction and provides a lateral pressure so that the rotary shaft is displaced in the radial direction. The lateral pressure device further comprises an inner ring made of an oil impregnated sintered member in which a through-hole abrasively contacts the rotary shaft from the radial direction is formed, an elastic member which provides a lateral pressure so that the rotary shaft is displaced in the radial direction and an outer ring which holds the elastic member and is fixed to the motor case.

REFERENCES:
patent: 3361914 (1968-01-01), Janssen
patent: 4783608 (1988-11-01), Gruber et al.
patent: 4851731 (1989-07-01), Saotome et al.
patent: 5036235 (1991-07-01), Kleckner

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