Pneumatic setting device

Details Pneumatic setting device Pneumatic setting device

1984-10-25

1985-12-31

Garrett, Robert E.

Motors: expansible chamber type

With motive fluid valve

Electrically operated

91465, 13759617, 13762565, F15B 1304

Patent

active

045613451

ABSTRACT:
The invention relates to a pneumatic setting device having oppositely operable magnetic valves for alternately pressurizing and exhausting expansible chambers formed by one or more diaphragms to which a reciprocatable setting element is attached. In this construction a return spring may be omitted.

REFERENCES:
patent: 2000890 (1935-05-01), Hueber et al.
patent: 2976085 (1961-03-01), Grogan
patent: 4349045 (1982-09-01), Kah, Jr.
patent: 4369696 (1983-01-01), Klatt et al.
patent: 4403765 (1983-09-01), Fisher

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