Housing for a liquid seal vacuum and pressure relief valve...

Fluid handling – With liquid valves or liquid trap seals – Liquid valves

Reexamination Certificate

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C137S558000

Reexamination Certificate

active

10821179

ABSTRACT:
A housing and a method of using a liquid for controlling vapor flow through a valve apparatus between a canister and atmospheric conditions. The housing includes a container and a first partition that projects from the housing into the liquid and divides the vapor chamber into first and second vapor sub-chambers. A second partition projects from the container into the first vapor sub-chamber. And a third partition projects from the container into the second vapor sub-chamber. The housing contains the liquid in an upright arrangement of the valve apparatus, and prevents the liquid from flowing out of the container in a non-upright arrangement of the valve apparatus.

REFERENCES:
patent: 1874727 (1932-08-01), Wiggins et al.
patent: 2575574 (1951-11-01), Withrow et al.
patent: 2929335 (1960-03-01), Seiler
patent: 4362130 (1982-12-01), Robinson
patent: 4423638 (1984-01-01), Tward
patent: 6199574 (2001-03-01), Harris
patent: 6386222 (2002-05-01), Harris
patent: 6973938 (2005-12-01), Mitchell
U.S. Appl. No. 10/821,178, filed Apr. 9, 2004, Perry et al., Liquid for a Valve Apparatus.
U.S. Appl. No. 10/817,522, filed Apr. 5, 2004, Perry et al., System and Method of Managing Pressure in a Fuel System.
U.S. Appl. No. 10/817,521, filed Apr. 5, 2004, Perry et al., Valve Apparatus.

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