Dual rotor axial air gap induction motor

Details Dual rotor axial air gap induction motor Dual rotor axial air gap induction motor

1987-11-24

1990-09-25

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310114, 310191, 310209, H02K 122, H02K 2344

Patent

active

049595784

ABSTRACT:
The first preferred embodiment of the subject invention is a dual rotor axial induction machine which utilizes a polyphase central stator consisting of a number of mutually isolated core segments. The primary windings of the stator induce electromotive forces in the secondary winding of both end rotors that are revolving beside the adjacent axial face of the stator. One end rotor assembly is firmly mounted on a common shaft whereas the other end rotor can be shifted around the common shaft. Through physical positioning of the moveable rotor, phase shifting of both star connected and mutually interconnected rotor windings is achieved.
The second embodiment is a cage-type axial induction machine with a central stator which utilizes the protruding portion of a shaft of a driven machine. A pair of cage-type end rotors are mounted on the shaft whereas the central stator assembly is mounted to the housing of the driven machines.

REFERENCES:
patent: 2573283 (1951-10-01), Seitz
patent: 2824275 (1958-02-01), Kober
patent: 3242365 (1966-03-01), Kober
patent: 4110649 (1978-08-01), Mas
patent: 4319152 (1982-03-01), van Gils

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