Fluid handling – Systems – Sequentially progressive opening or closing of plural valves
Reexamination Certificate
2007-10-30
2007-10-30
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Systems
Sequentially progressive opening or closing of plural valves
C137S636400, C251S256000
Reexamination Certificate
active
11354157
ABSTRACT:
The present invention provides gas control valve including a valve body having a gas inlet, a gas outlet, and a gas passage between the inlet and outlet, and including a valve control element for controlling the flow of gas between the inlet and the outlet. The valve control element includes valve stem have a cam follower in the form of a pin projecting laterally there-from, and a bead8at one end of the stem bearing an O-ring that is able to seal against an inside wall surface of the body to seal the gas outlet. The cam follower pin on the stem engages with a cam surface of the valve body. Rotation of the valve control element causes the cam follower pin to co-operate with the cam surface and displace the valve control element to open or close the valve. The present invention also provides a gas appliance having one or more gas burners and a gas control including at least one control value according to the invention.
REFERENCES:
patent: 1436650 (1922-11-01), Gilbert
patent: 2335519 (1943-11-01), Lamar
patent: 2987078 (1961-06-01), Du Perow
patent: 3244198 (1966-04-01), Larkin
patent: 3280844 (1966-10-01), Frank et al.
patent: 3292660 (1966-12-01), Zarybnicky
patent: 4029291 (1977-06-01), Carlson
patent: 4640678 (1987-02-01), Fraioli
patent: 5011043 (1991-04-01), Whigham et al.
patent: 5241463 (1993-08-01), Lee
patent: 6443135 (2002-09-01), Dismon et al.
patent: 6534793 (2003-03-01), Heritier-Best
patent: 903 494 (1945-10-01), None
patent: 1 371 578 (1974-10-01), None
patent: 2 088 021 (1982-06-01), None
patent: 2 162 446 (1986-02-01), None
patent: A-57-101184 (1982-06-01), None
patent: WO 01/11278 (2001-02-01), None
patent: WO 02/06731 (2002-01-01), None
Derwent Abstract Accession No. 96-382979/38, Class Q66, RU 2049946-C1 (NIIPA Res Prodn. Assoc.), Dec. 10, 1995.
Derwent Abstract Accession No. 2002-628583/68, Class, Q66, CN 1187597A (CHANG), Jul. 15, 1998.
Advanced Products Pty, Ltd.
Hepperle Stephen M.
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