Flow regulator having damping means

Details Flow regulator having damping means Flow regulator having damping means

1979-08-07

1981-04-14

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

137521, F16K 1503

Patent

active

042613809

ABSTRACT:
An arrangement for regulating the flow of a gaseous medium in a conduit includes a flap valve pivotably mounted in the conduit and biased by a spring toward its open position and by the pressure of the gaseous medium flowing through the conduit towards its closing position. A rod-shaped member is pivotally mounted on one section of the flap valve, and a sleeve-shaped member is pivotally mounted on a plate-shaped element rigid with the conduit and extending axially thereof downstream of the flap valve. The sleeve-shaped member has a passage therein in which the rod-shaped member is received with play so that, upon rapid movement of the rod-shaped member in the passage, the sleeve-shaped member is entrained by friction on pivots, thus seizing the rod-shaped member. In this manner, the flap valve is prevented from fluttering, while its responsiveness to gradual pressure changes of the gaseous medium is unaffected.

REFERENCES:
patent: 3559679 (1971-02-01), Smirra
patent: 3965928 (1976-06-01), Siegwart
patent: 3996961 (1976-12-01), Siegwart
patent: 4124037 (1978-11-01), Siegwart
patent: 4194527 (1980-03-01), Schonwald et al.

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