Proportional flow valve

Details Proportional flow valve Proportional flow valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/06 (2006.01) F16K 31/42 (2006.01)

Patent

CA 2101618

PROPORTIONAL FLOW VALVE Abstract of the Disclosure A proportional flow valve wherein inlet fluid pressure urges the valve member toward the valve seat. A pressure member, which may be a piston, has an effective area substantially larger than that of the valve member, and is also selectively subjected to inlet fluid pressure to urge the valve member away from the valve seat, so as to open the valve and keep it open. A solenoid actuator determines the position of a pilot valve member which controls the flow of inlet fluid to the pressure member, and hence controls the location of the pressure member and the spacing of the valve member from the valve seat. The position of the pilot valve member, and hence the spacing of the valve member from the valve seat, is proportional to the amount of electric current applied to the actuator.

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