Valve arrangement for controlling a gas fireplace
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United States of America Patent
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-
Mar 5, 2002
Grant Date -
N/A
app pub date -
Jun 22, 2000
filing date -
Jul 30, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Valve arrangement (1,2) for automatically controlling the gas flow in the burner of a gas fireplace appliance, comprising a manual flow regulating tap (1) connected to the gas supply and provided with a rotary control knob (1a), a gas switching servovalve operated by a diaphragm (8), connected in series to the manual valve outlet (1b), and whose action is governed by an auxiliary electromagnetic bleed valve (5,15), an electronic control circuit (3) supplied by an electrical battery (4) and an electrical thermostat switch inserted in the auxiliary valve supply line.
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