Rotary valve

Details Rotary valve Rotary valve

1987-04-30

1988-04-05

Nilson, Robert G.

Fluid handling

Systems

Multi-way valve unit

13762521, 13762523, 25112912, 310268, F16K 3104

Patent

active

047352337

ABSTRACT:
A rotary valve in which a valve disc provided disposed in a casing is rotated by a driving device, including a disc-shaped rotor provided in a portion of the valve disc and with a plurality of fan-shaped windings arranged in the circumferential direction, magnets provided in such a manner that the polarities thereof are alternately varied in the circumferential direction and a yoke disposed with a predetermined gap from the magnets. The said rotor is disposed between the magnets and the yoke and constitutes a magnetic circuit for rotating the valve disc directly by an electromagnetic power generated in the magnetic circuit.

REFERENCES:
patent: 271928 (1883-02-01), Seeley
patent: 3118076 (1964-01-01), Held
patent: 3293466 (1966-12-01), Baudot
patent: 3858484 (1975-01-01), Saida
patent: 4546338 (1985-10-01), Idogaki

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