Pilot operated regulator valve

F - Mech Eng,Light,Heat,Weapons – 02 – D

Patent

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Details

137/89

F02D 11/06 (2006.01) F16H 61/02 (2006.01)

Patent

CA 1040052

ABSTRACT A valve mechanism adapted to produce a pressure which varies directly with the position of a mechanical member comprising a valve member having a control member movable within the valve member. The valve member is hollow and is movable in a bore having pressure inlet, outlet and regulating ports, the inlet port being connected to a source of pressure. The control member is movable within a bore in the valve member. The valve member has a plurality of ports communicating with the ports in the bore and a spring urges the valve member in one direction. The valve member has a differential land area thereon connected to the regulating port and thereby the outlet port and which urges the valve member in a direction in opposition to the spring in response to fluid pressure in the regulating port wherein the valve member will respond to the position of the control member when the control member establishes a connection between the inlet and outlet ports through the ports in the valve member whereby movement of said control member will be followed by said valve member and a pressure will be produced in said outlet port varying directly with movement of the control member.

250665

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