Poppet valve

Details Poppet valve Poppet valve

1985-03-05

1986-09-09

Yeung, James C.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 36, F16K 3112

Patent

active

046104232

ABSTRACT:
In a poppet valve having a poppet slidingly movable in a casing formed with an inlet port and an outlet port through which a pressurized fluid such as oil is supplied and delivered, the cross-sectional area of a rear end of the poppet to which one part of the pressurized fluid is applied under the control of a pilot spool provided slidably in the poppet is made larger than the cross-sectional area of a forward end of the poppet to which the pressurized fluid supplied into the inlet port is applied directly.

REFERENCES:
patent: 1575851 (1926-03-01), Long
patent: 4482127 (1984-11-01), Hafele

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