Fluid distribution valve

Details Fluid distribution valve Fluid distribution valve

1996-04-30

1998-07-28

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137495, G05D 701

Patent

active

057850798

ABSTRACT:
A valve is disclosed which is adapted to be disposed between a first chamber and a second chamber for the purpose of selectively interconnecting the two chambers or isolating them from one another. The valve comprises a body, a sleeve disposed therein and provided with a number of orifices which open into a first duct in the body for the delivery of fluid to the second chamber, and a piston which is slidable in the sleeve to close or open the orifices and which separates a feed chamber communicating with the first chamber from a control chamber communicating, by way of a second duct, with the throat of a venturi formed in the first duct. The opposite faces of the piston are thus both exposed to the fluid, and a spring is provided in the control chamber for biassing the piston towards closing the orifices.

REFERENCES:
patent: 2988885 (1961-06-01), Schnaible
patent: 3365883 (1968-01-01), Alberani et al.
patent: 3384020 (1968-05-01), Searle
patent: 3957075 (1976-05-01), Kunz et al.

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