Ball lock control valve actuation plunger-mechanical type

Details Ball lock control valve actuation plunger-mechanical type Ball lock control valve actuation plunger-mechanical type

1990-07-25

1991-02-05

Michalsky, Gerald A.

Valves and valve actuation

Fluid actuated or retarded

With mechanical movement between actuator and valve

91 43, F15B 1301

Patent

active

049898280

ABSTRACT:
An ancillary mechanically driven ball lock control valve actuation plunger cooperates with a piston for displacing a timer valve plunger. An annular locking plunger is pressurized by fluid at a control port, the sliding motion of the plunger controlling the position of locking balls. As the locking balls change their position, they vary the radial extension of a radial plunger. A first portion of a spring-biased cam maintaining contact with the outward end of the radial plunger. When the radial plunger moves to an extended position, it moves the cam until a second cam portion depresses a timer valve plunger thus changing the timer valve state.

REFERENCES:
patent: 4784037 (1988-11-01), Fabyan et al.

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