AC Generator

Details AC Generator AC Generator

1982-08-25

1984-05-29

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 63, 310 89, 310156, 310208, 310268, H02K 906

Patent

active

044517491

ABSTRACT:
An AC generator includes a pair of cup-shaped housings to accomodate a stationary armature coil and a rotor. The armature coil includes a multiphase windings formed in a flat annular shape having flat surfaces perpendicular to the axis of a rotating shaft of the AC generator, and the flat annular-shaped armature coil is mounted on the pair of cup-shaped housings with the outer peripheral portion of the armature coil fixed between the pair of housings. The rotor includes a pair of discs of magnetic material fixed to the rotating shaft spaced from and opposed to each other interposed therebetween by the flat annular-shaped armature coil. Each of the discs has a plurality of permanent magnets arranged concentrically with the rotating shaft in alternate magnetic polarities on one surface of the disc facing the armature coil, so that magnetic fluxes which rotate with the discs and which link with the stationary armature coil are produced between opposed permanent magnets of the pair of discs. The longitudinal size of the AC generator is reduced to achieve a compact AC generator.

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