Vibration-resistant impact valve for vapor recovery line

Details Vibration-resistant impact valve for vapor recovery line Vibration-resistant impact valve for vapor recovery line

1993-02-12

1994-03-01

Hepperle, Stephen M.

Fluid handling

Destructible or deformable element controlled

Destructible element

137356, 13754317, F16K 1740

Patent

active

052898423

ABSTRACT:
An impact valve with an easily replaceable, breakable valve assembly includes a valve body with a valve opening for connecting to a vapor recovery pipeline connected between a vapor inlet and a vapor recovery tank, or connected between a gasoline product pipeline and a gasoline pump dispenser or self-contained system (i.e., a nonpressurized system), a housing threaded to the valve body, a valve plug located in the housing, a spring for biasing the valve member toward the valve opening in order to close the opening, and a plunger for holding the valve plug against the bias of the spring to keep the valve open, the valve plug having an extension with an end portion that securely mates with an end portion of the plunger to avoid necessary actuation, and the valve body having a weakened circumferential area around the plunger so that the valve body will readily break in response to impact and readily displace the plunger to release the valve plug.

REFERENCES:
patent: 2048388 (1936-07-01), Johnsen
patent: 2906280 (1959-09-01), Mount
patent: 3630214 (1971-12-01), Levering
patent: 4047548 (1977-09-01), Wagner
patent: 4064889 (1977-12-01), Gayle et al.
patent: 4800913 (1989-01-01), Nitzberg et al.
patent: 4842163 (1989-06-01), Bravo
patent: 4886087 (1989-12-01), Kitchen
patent: 4896688 (1990-01-01), Richards et al.
patent: 5054509 (1991-10-01), Grantham
patent: 5103853 (1992-04-01), McGushion et al.

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