Damper control device
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United States of America Patent
Stats
-
Jun 15, 2004
Grant Date -
Jun 12, 2003
app pub date -
Dec 12, 2001
filing date -
Dec 12, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A damper control device is disclosed comprising a mounting plate, a motor assembly coupled to the mounting plate and having a shaft extending therefrom, and a single circuit board coupled to the mounting plate, comprising relay control circuitry which rotates the shaft to an open position in response to a first signal, rotates the shaft to a closed position in response to a second signal, and time delay circuitry which holds the shaft in the open position for a period of time after receipt of the second signal. Preferably the damper control device can be used with an oil-fired heating appliance.
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