Balanced pressure valve

Details Balanced pressure valve Balanced pressure valve

1983-02-15

1984-12-04

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

137495, F16K 31383, G05D 1600

Patent

active

044858426

ABSTRACT:
In a balanced pressure valve with a switching valve for switching over to pressureless circulation, restrictors are provided in the line carrying the system pressure in such a way that the opening motion of the main piston of the balanced pressure valve is heavily damped, and the throttle losses in the bypass line leading from the line carrying the system pressure via the switching valve to the tank are very low when the main piston is open, and with this also the resistance of the main flow via the main piston is correspondingly low.

REFERENCES:
patent: 2855947 (1958-10-01), Lee
patent: 3250293 (1966-05-01), Adams
patent: 3373763 (1968-03-01), Smilges
patent: 3884262 (1975-05-01), Assembergs
patent: 4172466 (1979-10-01), Pattarini

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