Linear fluid power actuator assembly

Details Linear fluid power actuator assembly Linear fluid power actuator assembly

1992-10-01

1993-08-31

Bertsch, Richard A.

Fluid handling

Systems

Multi-way valve unit

91305, F01L 2502

Patent

active

052400425

ABSTRACT:
A control logic circuitry comprising a toggle type fluid actuated pilot control valve which is activated by a fluid pressure signal pulse to shift between a first and second state to deliver a control signal to a main power control valve. The pilot control valve and associated circuitry includes the capability to maintain itself in either one of the shifted states after termination of the pressure signal pulse until actuated to the other state by another pressure signal pulse. The pilot control valve is described in connection with controlling the functions associated with a linear fluid power piston including switching a main power valve to reverse the piston stroke.

REFERENCES:
patent: 4026193 (1977-05-01), Olmsted

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