Alternator with permanent magnet rotor having primary magnets an

Details Alternator with permanent magnet rotor having primary magnets an Alternator with permanent magnet rotor having primary magnets an

1999-07-01

2000-10-24

Enad, Elvin

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, H02K 709, H02K 1516

Patent

active

061371998

ABSTRACT:
A permanent magnet rotor alternator is disclosed having a one-piece, rotor hub.backslash.flywheel.backslash.starting gear. Three high remanence ceramic permanent magnets provide a rotor having a contiguous ring of twelve alternating poles which allows for higher alternator efficiency. The magnets are ceramic and are adhesively bound to the rotor hub, which is driven by an extended crankshaft. The rotor rotates within a wound stator assembly of which the laminated stator core is a part of the alternator's frame assembly, and thus, serves as a shield should a rotor magnet come loose.

REFERENCES:
patent: 2976439 (1961-03-01), Kiekhaefer
patent: 3727302 (1973-04-01), Phelon
patent: 4093906 (1978-06-01), Draxler
patent: 4160435 (1979-07-01), Sleder
patent: 4243903 (1981-01-01), Mishima
patent: 4376903 (1983-03-01), Mishima
patent: 4847526 (1989-07-01), Takehara et al.
patent: 4873962 (1989-10-01), Safranek
patent: 5473298 (1995-12-01), Teutsch
patent: 5731645 (1998-03-01), Clifton et al.

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