Dual purpose vent attachment assembly

Details Dual purpose vent attachment assembly Dual purpose vent attachment assembly

2006-05-30

2006-05-30

Chambers, A. Michael (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S377000, C137S382000

Reexamination Certificate

active

07051747

ABSTRACT:
A weather cap for gas valve comprising a gas valve vent attachment member for securing to a gas valve vent outlet, a cover connected to the gas valve vent attachment member with the cover and the gas valve attachment member forming a housing having a chamber therein, a vent limiter located in the chamber, a first gas passage in the housing for permitting ingress and egress of gas into the chamber from a gas valve, and a second gas passage in the housing with the second gas passage opened to the atmosphere to permit venting of gas to the atmosphere with the second gas passage being located on an underside of the chamber to thereby shield the vent limiter from blockage by preventing rain or snow from entering the chamber.

REFERENCES:
patent: 5836345 (1998-11-01), Ericson
patent: 5971014 (1999-10-01), Duren
patent: 5975123 (1999-11-01), Underwood
patent: 6164317 (2000-12-01), Hanson
patent: 6732757 (2004-05-01), Benham

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