Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1989-11-21
1991-02-05
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 62, 310208, 310254, H02K 106, H02K 342
Patent
active
049908120
ABSTRACT:
An axially short solenoid type electric generator comprising a stator attached on the inner circumferential surface of the left half of a short cylindrical case, and a rotor accommodated within the right half of the case. The stator comprises U-shaped magnetic metal blocks attached along the inner circumferential surface of the left half of the case, angularly separated at predetermined intervals, an output conductor (coil) wound in a short solenoid through the slots of the blocks, and magnetic short circuit blocks disposed between the channel-shaped blocks. The rotor comprises a centrifugal fan, a cylindrical supporter, U-shaped magnetic material blocks attached around the cylindrical supporter, and a field coil wound through the slots of opposing U-shaped blocks. The electric generator reduces the resistance loss of the coils, and the eddy current loss and hysteresis loss of the magnetic metals. Further the generator of the present invention is light in weight compared with the conventional generator of the same capacity, and excludes the possibility of any faulty windings of the coils.
REFERENCES:
patent: 1417913 (1922-05-01), Heyland
patent: 1838010 (1931-12-01), Stocker
patent: 2274070 (1942-02-01), Kauders
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patent: 3534204 (1970-10-01), Groezinger
patent: 4330727 (1982-05-01), Oudet
patent: 4538086 (1985-08-01), Marsh et al.
patent: 4757225 (1988-07-01), Wolcott et al.
patent: 4835431 (1989-05-01), Lindgren
Rebsch D. L.
Stephan Steven L.
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