Four-way poppet valve

Details Four-way poppet valve Four-way poppet valve

1984-11-13

1986-03-11

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762527, 137884, F15B 13044

Patent

active

045748446

ABSTRACT:
A four-way, poppet valve having a plurality poppet valve elements mounted on a poppet valve spool. The poppet valve spool is movable in one direction by a return spring to a first operative position, whereby one pair of the poppet valve elements are seated on a first pair of poppet valve seats to control the flow of pressurized air through the valve from a pressurized air inlet port and out through a first cylinder port and simultaneously to exhaust air entering a second cylinder port. A solenoid means having a floating pole piece is provided for moving the valve spool to a second operative position, whereby a second pair of the poppet valve elements are seated on a second pair of poppet valve seats to reverse the flow of pressurized air through the valve. The flow of exhausting air may be controlled by a pair of flow control valves.

REFERENCES:
patent: 3527253 (1970-09-01), Harpman
patent: 3538954 (1970-11-01), Fagerlie et al.
patent: 3762443 (1973-10-01), Sorenson
patent: 4298027 (1981-11-01), Neff
patent: 4453565 (1984-06-01), Neff

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