Gas control valve
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United States of America Patent
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-
Oct 30, 2007
Grant Date -
Jun 22, 2006
app pub date -
Feb 15, 2006
filing date -
May 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
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 bead 8 at 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.
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Family
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