Vacuum valve with integrated selector plate

Details Vacuum valve with integrated selector plate Vacuum valve with integrated selector plate

1996-11-12

1998-01-06

Fox, John

Fluid handling

Systems

Multi-way valve unit

137353, F16K 1106

Patent

active

057043949

ABSTRACT:
A rotary valve has a stator with ports for connection to a vacuum source and to a plurality of vacuum actuators, and a housing having a central hub. A selector residing between the stator and the housing comprises a resilient body insert molded to a steel drive plate having a central drive opening for receiving a drive shaft and an array of holes around the central opening. On one side of the plate the body comprises a valve member in contact with the stator and defines passages to selectively interconnect the ports, and on the other side of the plate the body comprises a resilient tubular spring surrounding the hub and pressing against the housing to bias the valve member against the stator.

REFERENCES:
patent: 3073341 (1963-01-01), Schernekau
patent: 3991788 (1976-11-01), Kull
patent: 4046159 (1977-09-01), Pegourie
patent: 4049020 (1977-09-01), Neveux
patent: 4291725 (1981-09-01), Raab et al.
patent: 4346729 (1982-08-01), Frauy
patent: 4466456 (1984-08-01), Hansen
patent: 5406041 (1995-04-01), Hahn, et al.

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