Fuel cut-off valve

Details Fuel cut-off valve Fuel cut-off valve

1995-12-07

1997-06-24

Hepperle, Stephen M.

Fluid handling

Control by change of position or inertia of system

With second control

137202, 13763014, F16K 1736

Patent

active

056409893

ABSTRACT:
A fuel cut-off valve (10) includes an enlarged-diameter vapor outlet aperture (30) which is controlled by a first closure member (50) having a small auxiliary vapor vent orifice (52) which, in turn, is controlled by a second closure member (58) formed on the float member (38). The first closure member (50) is biased by a spring (62) toward the second closure member (58) to ensure that the first closure member (50) is unseated away from the main valve seat (36) as soon as the auxiliary vapor vent orifice (52) is opened.

REFERENCES:
patent: 5028244 (1991-07-01), Szlaga
patent: 5044389 (1991-09-01), Gimby
patent: 5261439 (1993-11-01), Harris

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