Multi-path cooling in AC generator for vehicle

Details Multi-path cooling in AC generator for vehicle Multi-path cooling in AC generator for vehicle

1982-03-17

1983-11-29

Miller, J. D.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68D, 310263, 416DIG3, 417353, H02K 906

Patent

active

044182953

ABSTRACT:
An AC generator for vehicles has a cooling fan secured to one end face of a rotor core and being operative to produce radial and axial flows of cooling air. The radial air flow passes across a stator coil and outwardly through air outlet openings formed in a peripheral wall portion of a housing. The axial air flow passes through spaces between respective fingers of rotor core and also through air gap between the rotor and stator whereby the rotor and stator coils are reliably cooled by the cooling fan. In an embodiment of the invention, an additional radial-flow fan is provided and mounted on the rotor in face-to-face contacting relationship with the other end face of the rotor core.

REFERENCES:
patent: 1668462 (1928-05-01), Oswald
patent: 2852711 (1958-09-01), Derner et al.
patent: 3198972 (1965-08-01), Larson
patent: 3538361 (1970-11-01), Hilterbrick et al.

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