Pressure reduction valve

Details Pressure reduction valve Pressure reduction valve

2005-03-22

2005-03-22

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

C137S505000

Reexamination Certificate

active

06868863

ABSTRACT:
The invention concerns a pressure reduction valve (1) with a housing (2a,2b), a valve element (6) being displaceable in the housing and acted upon in one direction by a pressure in a low-pressure chamber connected with an outlet (11) and in the opposite direction by the force of a spring (16), which is arranged in a spring chamber (17) in the housing (2a). It is endeavoured to improve the dynamic behaviour of the pressure reduction valve. For this purpose, a pilot flow path (7, 23, 21) connects the low-pressure chamber (5) and the spring chamber (17) with each other.

REFERENCES:
patent: 2755815 (1956-07-01), Zaner
patent: 4226257 (1980-10-01), Trinkwalder

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