Method and apparatus for operating a downdraft cooking vapor withdrawal system
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United States of America Patent
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Apr 15, 1997
Grant Date -
N/A
app pub date -
Jul 31, 1995
filing date -
Jul 31, 1995
priority date (Note) -
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Abstract
A downdraft cooktop includes an electrical switch having a plurality of cooking rate selections, a vapor withdrawal opening formed in the cooktop adjacent a grill element, a vapor withdrawal duct below and in communication with the withdrawal opening and with a withdrawal fan, an electric motor for driving the withdrawal fan, and a fan control switch for varying rates of operation of the fan. The withdrawal fan is operable for downdraft withdrawal of cooking vapors resulting from operation of the grill element. Grill operation is sensed and during grill operation, the fan control switch is bypassed and the electrical fan motor is operated at a high rate for vapor withdrawal.
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