Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1979-03-16
1981-04-07
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310163, 310185, H02P 706
Patent
active
042609267
ABSTRACT:
A variable-reluctance electric motor with teeth of uniform pitch and poles whose number is a multiple of 4, which includes means for varying the magnetic permeability of the poles in dependance upon the relative positions of the poles and teeth from a zero value to saturation value reached when a tooth faces the middle portion of a pole, passing through intermediate values when a tooth faces the edge portions of a pole. In a first embodiment, the poles are made up of a mixture of magnetic and non-magnetic material, the ratio of magnetic material to non-magnetic material decreasing from the middle portion of the pole to the edge portions. In a second embodiment, the poles are distributed in sectors each containing a central pole and two equal numbers of lateral poles. In a sector, the pitch of the poles is non-uniform, the pitch of the lateral poles being slightly less than the pitch of the teeth.
REFERENCES:
patent: 3401322 (1968-09-01), O'Regan
patent: 3435266 (1969-03-01), Jarret
patent: 3740630 (1973-06-01), Jarret
patent: 3801833 (1974-04-01), Leitgeb
patent: 3875437 (1975-04-01), Hara
patent: 3995203 (1976-11-01), Torok
patent: 4081724 (1978-03-01), Jarret
patent: 4110672 (1978-08-01), Deplante
Jarret Jacques
Jarret Jean
Saffitz Abraham A.
Skudy R.
Societe Elpalux
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