Switch-over valve, preferably for an air drier

Details Switch-over valve, preferably for an air drier Switch-over valve, preferably for an air drier

1987-11-02

1988-11-01

Michalsky, Gerald A.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

55179, F16K 1100

Patent

active

047812095

ABSTRACT:
A switch-over valve for directing a compressed air flow to either one of two drying towers of an air drier, the other one being vented to the atmosphere. The valve is arranged in a partition wall between the two towers, a conduit to the valve being provided in the partition wall. A valve body is axially movable in a cavity in the wall between two positions sealing off either one of the outlets from the cavity and keeping the other one open. A control piston with a greater length than the valve body is axially movable in a bore in the valve body and is biased towards a neutral position by spring means.

REFERENCES:
patent: 2821972 (1958-02-01), Banker
patent: 3734132 (1973-05-01), Kuhnelt
patent: 4331457 (1982-05-01), Morner
patent: 4398929 (1983-08-01), Segersten

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