Damped fluid pressure relief valve

Fluid handling – Line condition change responsive valves – Direct response valves

Patent

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Details

F16K 4700, F16K 1506

Patent

active

043219454

ABSTRACT:
A safety valve normally closed and having a flap which is biassed away from its seat against the action of resilient means whenever the fluid pressure which acts on the flap rises above a given value is disclosed. A hydraulic brake including a partition mounted inside a cylinder so as to define two liquid-filled chambers communicating with each other by calibrated passages is mounted between the flap and the resilient means, in the vicinity of the flap.

REFERENCES:
patent: 1379092 (1921-05-01), Frascascia et al.
patent: 2568026 (1951-09-01), Pigott
patent: 2686534 (1954-08-01), Montelius
patent: 3648727 (1972-03-01), Huyck
patent: 3789872 (1974-02-01), Elliott

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