Motors: expansible chamber type – Working member position responsive motive fluid control – Bypassing between expanding chamber and closed or throttled...
Patent
1988-11-08
1990-01-09
Watkins, Donald
Motors: expansible chamber type
Working member position responsive motive fluid control
Bypassing between expanding chamber and closed or throttled...
4427, 13762412, 251 40, F16K 31122, F16K 31143, E03D 304
Patent
active
048918644
ABSTRACT:
A flush valve operating means having a housing with a sleeve assembly therein and a piston actuating means within the sleeve, the housing having two fluid inlets and the sleeve having a by-pass means for diverting fluid from one side of the piston to the other to provide equal fluid pressure over the face of the piston and the piston being slidable within the sleeve in response to fluid supply line pressure being applied to one face of the piston to actuate the flush valve.
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Coyne & Delany Co.
Watkins Donald
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