Reverse flow valve for pneumatic systems

Details Reverse flow valve for pneumatic systems Reverse flow valve for pneumatic systems

1975-11-21

1978-04-25

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

137115, 137107, F16K 4500, G05D 1103

Patent

active

040857670

ABSTRACT:
A reversible valve for selectively delivering a pressurized gaseous mixture to and exhausting it from a reversible air motor or other pressure operated device. The valve has a perforate piston actuated by introducing the pressurized gas to a through flow position closing off lateral exhaust ports and actuated by the pressurized gas and a spring to a position fully opening the exhaust ports when flow to the valve is reversed.

REFERENCES:
patent: 2367682 (1945-01-01), Keble
patent: 2579439 (1951-12-01), Noe
patent: 2610859 (1952-09-01), Wilcox et al.
patent: 3086542 (1963-04-01), Mosier
patent: 3419030 (1968-12-01), Gratzmuller
patent: 3606904 (1971-09-01), Taylor
patent: 3707981 (1973-01-01), Sadler et al.

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