AC Generator with low noise claw tooth rotor

Details AC Generator with low noise claw tooth rotor AC Generator with low noise claw tooth rotor

1979-04-04

1981-04-21

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, H02K 122

Patent

active

042635268

ABSTRACT:
An AC generator for a vehicle comprises a rotor having a pair of finger magnetic poles and an armature iron core. By deviating pole pieces of the finger magnetic poles by predetermined angles relative to each of opposed tooth portions of the armature iron core, torque variation applied to each of the pole pieces during rotation is cancelled, and magnetic sound can be greatly decreased without reducing the output of the AC generator.

REFERENCES:
patent: 1108568 (1914-08-01), Fynn
patent: 3604961 (1971-09-01), Saldinger
patent: 4155018 (1979-05-01), Oudet

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