Gas valve and gas control device
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United States of America Patent
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Oct 27, 2020
Grant Date -
Dec 20, 2018
app pub date -
Jun 19, 2018
filing date -
Jun 20, 2017
priority date (Note) -
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Abstract
A gas valve includes a valve seat, a valve stem, a valve body, and a valve diaphragm. The valve body acts together with the valve seat in such a way that the gas valve is in a closed state when the valve body is pressed against the valve seat and the gas valve is in an opened state when the valve body is lifted up from the valve seat. In a partially opened state, a connection between the valve stem and the valve body allows the valve body to tilt relative to the valve stem. The tilt may help provide more stable contact between the valve body and the valve seat when the gas valve is in the partially opened state. This can reduce wear on the gas valve by reducing, for example, valve body bounce.
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