Pressure-limiting valve

Details Pressure-limiting valve Pressure-limiting valve

1989-03-16

1990-01-30

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

1374925, 251120, F16K 31122

Patent

active

048966940

ABSTRACT:
To reduce the noise on response of a pressure-limiting valve, downstream of the valve seat an annular space, an annular gap and a further annular space are provided. This flow-off system gives a reduction of the noise level. Moreover, in pressureless circulation the flow resistance of the valve is low because the annular gap is freed by the piston.

REFERENCES:
patent: 2882922 (1959-04-01), Schindel
patent: 3771554 (1973-11-01), Hassall
patent: 4548231 (1985-10-01), Schwede
patent: 4549718 (1985-10-01), Seger

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