Flow control valve

Details Flow control valve Flow control valve

1987-01-27

1989-07-25

Michalsky, Gerald A.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137494, 13750513, 13759618, 251901, G05D 701

Patent

active

048503916

ABSTRACT:
A fluid flow control valve meters, in response to a fluid control signal, fluid flow received at a supply pressure and released at an output pressure utilizing a folded elastomeric diaphragm as the fluid flow metering member. The diaphragm regulates fluid flow through a passageway in a piston disposed in a valve body, which passageway provides for fluid communication between a fluid supply port and a fluid output port. The piston is displaced as a function of control signal fluid pressure, which in turn produces a change in the relationship between the folded-over portion of the diaphragm and an outlet duct of the piston passageway.

REFERENCES:
patent: 2720218 (1955-10-01), Otto
patent: 2849026 (1958-08-01), Taplin
patent: 2950733 (1960-08-01), Perkins
patent: 3070108 (1962-12-01), Fischer
patent: 3403603 (1968-10-01), Turner
patent: 3766933 (1973-10-01), Nicholson
patent: 3783745 (1974-01-01), Meijer et al.
patent: 3994314 (1976-11-01), Hartley
patent: 4092998 (1978-06-01), Taplin
patent: 4125127 (1978-11-01), Harter
patent: 4390036 (1983-06-01), Athanassiu et al.
patent: 4428392 (1984-01-01), Jones et al.

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