Control valve apparatus

Details Control valve apparatus Control valve apparatus

1974-01-28

1976-02-17

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

With second control

137 46, 303 24A, 303 24B, B60T 814

Patent

active

039385388

ABSTRACT:
A control valve is disclosed which includes first and second valves. An inverted pendulum is operative with the valves such that when the pendulum rotates in one direction the first valve is opened and the second valve is closed, and when the pendulum rotates in the opposite direction the valve operation is exactly opposite. An electromagnetic device may also be operative with the inverted pendulum which device when energized causes the inverted pendulum to rotate in one direction or the other. The inverted pendulum may also be rotatably biased for holding one valve opened and the other valve closed. The control valve may be used in any number of control systems and is especially suited for use as a master control valve in a vehicle braking system.

REFERENCES:
patent: 2913072 (1959-11-01), Williams
patent: 3754562 (1973-08-01), Gustafsson

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