Flow-control and shutofff valve

Details Flow-control and shutofff valve Flow-control and shutofff valve

1990-10-18

1991-06-11

Fox, John C.

Valves and valve actuation

With means to increase head and seat contact pressure

Spring

251304, F16K 302

Patent

active

050226312

ABSTRACT:
A valve has a housing forming a compartment traversed by an axis and having a radially opening outlet port and an axially open inlet port, a valve plate fixed in the housing and formed relative to the flow direction with a flat upstream face and with an axially throughgoing valve orifice opening at the face, and a control plate in the housing formed relative to a flow direction through the valve with a flat downstream face riding on the valve-plate face, an axially throughgoing control orifice opening at the face, and an axially open and radially elongated socket on the face adjacent the respective orifice. The control plate is pivotal on the valve plate about the axis for alignment of the orifices and flow through the valve from the inlet port to the outlet port and for misalignment of the orifices for restricted flow from the inlet port to the outlet port. A valve stem rotatable in the housing about the axis projects through the valve-plate orifice and is formed with a foot projecting radially from the axis, fitting in the socket, and rotationally coupling the stem and the control plate.

REFERENCES:
patent: 2851244 (1958-09-01), Monson
patent: 2935293 (1960-05-01), Monsom
patent: 4889157 (1989-12-01), Bergmann

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