Control valve

Details Control valve Control valve

1984-03-27

1986-01-14

Yeung, James C.

Fluid handling

Systems

Sequentially closing and opening alternately seating flow...

91461, 405302, E03B 300

Patent

active

045640475

ABSTRACT:
A control valve arrangement includes at least one first supply and exhaust valve, and a second supply and exhaust valve. The first and second valves are arranged in series and are manually operated with a single hand. The first valve is manually displaced in one direction, and the second valve is displaced in the opposite direction.

REFERENCES:
patent: 424718 (1890-04-01), Miller et al.
patent: 500645 (1893-07-01), West
patent: 2293226 (1942-08-01), Thornhill
patent: 2341696 (1944-02-01), Davis
patent: 2745628 (1956-05-01), Carlson
patent: 2812218 (1957-11-01), Fitch et al.
patent: 2841659 (1958-07-01), Eitel
patent: 3487853 (1970-01-01), Kern
patent: 3788344 (1974-01-01), Dyck
patent: 4221238 (1980-09-01), Madsen
patent: 4327628 (1982-05-01), Weirich et al.

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