Hydraulic controllable two-port valve for a liquid stream

Details Hydraulic controllable two-port valve for a liquid stream Hydraulic controllable two-port valve for a liquid stream

1984-12-03

1986-06-10

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137110, 137489, 13762549, 251 35, F16K 1728

Patent

active

045937150

ABSTRACT:
A controllable two-way valve for pressure and/or flow control uses a cup-shaped piston, the bottom of which forms a large effective surface area exposed to a control flow through a slit which cooperates with an edge of the slider also serving to define the main flow cross section between an inlet and an outlet. A stationary compensating piston within this slider vents the interior of the slider and a control valve set connected to a spring chamber through which the control flow passes regulates the pressure applied to the slider in the spring compartment.

REFERENCES:
patent: 2635636 (1953-04-01), Carson, Jr.
patent: 3254667 (1966-06-01), McGuire et al.
patent: 3315694 (1967-04-01), Addison, Jr.
patent: 3807438 (1974-04-01), Posipsek
patent: 3842855 (1974-10-01), Cyphelly

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