Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1976-08-30
1978-05-30
Maslousky, Paul E.
Fluid handling
Line condition change responsive valves
Direct response valves
1375145, 267 65R, F16K 1702, F16K 2104
Patent
active
040918386
ABSTRACT:
A fluid pressure relief valve in which the resilient element for urging the valve closure member to its seat is a quantity of liquid trapped in a container such that movement of the closure member from its seat reduces the volume of the confined liquid elastically without substantial elastic enlargement of the container. A plunger may extend from the valve closure member into the container and may be of smaller cross-sectional area than the effective area of the closure member which is exposed to the pressure of fluid controlled by the valve. In this way liquid pressure in the container may be higher than the pressure of fluid controlled by the valve when the valve opens.
REFERENCES:
patent: 677776 (1901-07-01), Devantery
patent: 2429658 (1947-10-01), Young
patent: 2598630 (1952-05-01), Winberg
patent: 3437110 (1969-04-01), Birdwell
patent: 3557826 (1971-01-01), Albrecht
patent: 3838625 (1974-10-01), Bell et al.
patent: 3947004 (1976-03-01), Taylor
Barber, personal representative by Lionel
Dowty, deceased George Herbert
Kneale, personal representative by Peter James
Lilley, personal representative by Virginia Anne
Dowty Mining Equipment Limited
Maslousky Paul E.
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