Cooling rotor for an alternator mounted on vehicle

Details Cooling rotor for an alternator mounted on vehicle Cooling rotor for an alternator mounted on vehicle

1992-08-07

1994-04-26

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 61, 310192, H02K 122, H02K 132

Patent

active

053069773

ABSTRACT:
A rotor for an alternator mounted on a vehicle comprises first and second claw-pole members formed of magnetic material and mounted on a shaft rotatable about an axis. The first and second claw-pole members have at least one first axially extending claw section and at least one second axially extending claw section respectively. The at least one first and second axially extending claw sections have a first side face and a second side face respectively. A field coil is disposed between the first and second claw-pole members. A permanent magnet is disposed between the first and said second side faces and is polarized in a direction which prevents magnetic flux leakage between the at least one first and second axially extending claw sections. The rotor has a space formed between the permanent magnet and at least one of the first and second side faces.

REFERENCES:
patent: 4421998 (1983-12-01), Ahner et al.
patent: 4617485 (1986-10-01), Nakamura et al.
patent: 4874972 (1989-10-01), Bansal
patent: 4959577 (1990-09-01), Radomski
patent: 5132581 (1992-07-01), Kusase

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