Motor vehicle alternator having a water cooled rear bearing

Details Motor vehicle alternator having a water cooled rear bearing Motor vehicle alternator having a water cooled rear bearing

1997-12-15

1999-09-21

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 54, 310 68D, H02K 516, H02K 520, H02K 1104, H02K 919

Patent

active

059558059

ABSTRACT:
A liquid cooled alternator comprising a casing, one end of which is closed by a rear bearing which carries a rectifier bridge for rectifying the alternating current produced by the alternator, the bearing having an internal cavity in which a coolant liquid flows. The bearing is formed with at least one chimney element which is open axially at both axial ends of the bearing. These chimney elements extend through the internal cavity of the bearing, so that an outer face of a side wall of the chimney element is in contact with the coolant liquid flowing in the cavity. At least one component of the rectifier bridge is mounted within at least one corresponding chimney element.

REFERENCES:
patent: 4221982 (1980-09-01), Raver et al.
patent: 4262224 (1981-04-01), Kofink et al.
patent: 5293089 (1994-03-01), Frister
patent: 5640062 (1997-06-01), Yockey
French Search Report dated Aug. 18, 1997.

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