Relief valve trigger for relatively large diameter fluid pressur

Details Relief valve trigger for relatively large diameter fluid pressur Relief valve trigger for relatively large diameter fluid pressur

1995-04-10

1996-11-19

Rivell, John

Fluid handling

Destructible or deformable element controlled

Destructible element

251 73, F16K 1714, F16K 31365

Patent

active

055753060

ABSTRACT:
A pressure relief valve trigger is formed by a diaphragm chamber communicating with fluid in a container being monitored by a pressure collapisible pin axially maintaining the diaphragm in the chamber in a given position. A flapper valve latch member released by movement of the diaphragm in response to collapse of the pin releases a flapper valve on the container to open in response to fluid pressure above a predetermined value biasing the diaphragm to a pin collapsed position.

REFERENCES:
patent: 2297003 (1942-09-01), Larson
patent: 2497860 (1950-02-01), Brown
patent: 3443572 (1969-05-01), Lavigne, Jr. et al.
patent: 3620237 (1971-11-01), Sindall et al.
patent: 4033374 (1977-07-01), Danon
patent: 4309022 (1982-01-01), Reinicke et al.
patent: 4587987 (1986-05-01), West
patent: 5012834 (1991-05-01), Taylor

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