Bearing cooling mechanism for vehicular A.C. generator

Details Bearing cooling mechanism for vehicular A.C. generator Bearing cooling mechanism for vehicular A.C. generator

1982-12-22

1984-10-09

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 62, 310 63, 310 68D, 310 90, H02K 904

Patent

active

044764057

ABSTRACT:
A bearing cooling mechanism for a vehicular A.C. generator including a rotor having a rotary shaft rotatably mounted to a frame through two opposite bearings comprises a pulley and a cooling fan fixed in overlapped relationship on the rotary shaft at one end protruding from the adjacent bearing and, in addition to holes disposed on both end surfaces of the frame, four ventilating holes extending at equal angular intervals through those portions of the overlapped pulley and cooling fan adjacent to the rotary shaft.

REFERENCES:
patent: 3517504 (1970-06-01), Sakamoto
patent: 3862443 (1975-01-01), Edick
patent: 4115030 (1978-09-01), Inayaki et al.
patent: 4141669 (1979-02-01), Darby et al.
patent: 4162419 (1979-07-01), DeAngelis
patent: 4226134 (1980-10-01), Sohnle
patent: 4418295 (1983-11-01), Shiga
patent: 4431931 (1984-02-01), Perrier et al.

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