Axial-flow fan motor

Details Axial-flow fan motor Axial-flow fan motor

1993-01-27

1993-11-23

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

384902, 310 67R, H02K 708, H02K 714, F16C 3310

Patent

active

052647480

ABSTRACT:
A sleeve-type plain bearing of an axial-flow fan motor, made of sintered oilless metal, for bearing a rotation of a rotor has plural protrusions on a thrust bearing surface in a direction vertical to an axial direction of the rotor, and thereby lubricant impregnated in the sintered oilless metal is always supplied in spaces formed by the thrust bearing surface, the protrusions and a thrust plate provided on the rotation shaft.

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patent: 4810105 (1989-03-01), Arlott et al.
patent: 4825114 (1989-04-01), Ohtsuka et al.
patent: 5076716 (1991-12-01), Mizobuchi et al.

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