Remote control poppet valve

Details Remote control poppet valve Remote control poppet valve

1987-02-10

1988-10-25

Michalsky, Gerald A.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 25, 251 3003, 251 3004, 251 3005, 251 38, F16K 31122

Patent

active

047798378

ABSTRACT:
A poppet valve in which a poppet is slidable in a valve body and opens or closes a main valve path for pressurized fluid at one end. The pressurized fluid is conveyed to a back pressure chamber at the rear of the poppet either through a reduced flow path or through a valve arrangement between the surfaces of the poppet and a poppet spool slidable within the poppet. Either a control rod or the poppet spool moving relative to the poppet opens a flow path at the side of the back pressure chamber and the flow continues through a hollow in the spool or the control rod to an oil chamber away from the back pressure chamber where it is released to a tank.

REFERENCES:
patent: 1125825 (1915-01-01), Englesson
patent: 4239179 (1980-12-01), Geier
patent: 4610423 (1986-09-01), Morino
patent: 4662600 (1987-05-01), Schwelm

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