Valve control system

Details Valve control system Valve control system

1990-04-24

1992-07-14

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

83712, 91461, 13762563, 13762566, F15B 13043

Patent

active

051294257

ABSTRACT:
A control system particularly for use for saw mill machinery utilizing large pneumatic actuators. A joystick provides an electrical control signal to a hydraulic proportional pilot valve which, in turn, hydraulically controls a valve body which controls the flow of air to the pneumatic actuator.

REFERENCES:
patent: 359303 (1887-03-01), Westinghouse
patent: 3315702 (1967-04-01), Passaggio
patent: 3771565 (1973-11-01), Padula
patent: 4371178 (1983-02-01), Ott
patent: 4543875 (1985-10-01), Imhof
patent: 4593719 (1986-06-01), Leonard
Brochure entitled "Tridel-Hydraulic Control for Log Turners", distributed to the Industry by Tridel Equipment Ltd. (undated).

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