Alternating current generator

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310168, H02K 1922

Patent

active

048825158

ABSTRACT:
An alternating current generator for supplying the electrical loads on a motor vehicle. The generator has a stator core that carries a three-phase stator or output winding. The rotor of the generator has two claw pole members that are so oriented that the fingers of the pole members are aligned. Disposed between the two pole members is a third pole member having projections disposed between the aligned fingers of the claw pole members. The rotor has two field coils which are so arranged and energized that the magnetic polarity of the two claw pole members is the same and opposite the magnetic polarity of the third pole member. One of the field coils can be replaced by a permanent magnet and when this is done the generator is provided with a magnetic circuit that can divert permanent magnet flux away from the stator core. Flux diversion is controlled by supplying unidirectional current to the field winding under the control of a voltage regulator.

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patent: 4686399 (1987-08-01), Imori et al.
Advertising Brochure-41-DN Series Type 250 Generator, Delco Remy Division of General Motors, 1965.

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