Fluid flow control valve

Details Fluid flow control valve Fluid flow control valve

1997-07-25

1999-10-05

Rivell, John

Fluid handling

Destructible or deformable element controlled

Destructible element

137 67, 251 11, F16K 1740, F16K 3170

Patent

active

059608129

ABSTRACT:
A valve and method of operation for controlling the flow of fluid from a pressurized fluid source while maintaining a secure seal against fluid leakage over long periods of time. The valve includes a valve body formed with an inlet channel which extends through a strain concentrating portion. The strain concentrating portion has an ultimate strength less than that of support portions of the body. An actuator applies a load to the valve body sufficient to create a stress which exceeds the ultimate strength of the strain concentrating portion. The strain concentrating portion then fractures into parts separated by a gap. The fracture forms openings from the inlet channel into the gap to create a flow path from the fluid source into an outlet channel.

REFERENCES:
patent: 2608996 (1952-09-01), Forman
patent: 2610300 (1952-09-01), Walton et al.
patent: 2647017 (1953-07-01), Coulliette
patent: 4072159 (1978-02-01), Kurosawa
patent: 4096993 (1978-06-01), Behr
patent: 4340049 (1982-07-01), Munsch
patent: 4619284 (1986-10-01), Delarue et al.
patent: 4654191 (1987-03-01), Krieg
patent: 5119555 (1992-06-01), Johnson

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