Stoves and furnaces – Dampers – Distance operating devices
Reexamination Certificate
2004-02-13
2008-05-20
Cocks, Josiah C. (Department: 3749)
Stoves and furnaces
Dampers
Distance operating devices
C126S290000, C126S077000, C126S080000
Reexamination Certificate
active
07373937
ABSTRACT:
A draft control system and method can provide for automated control of the air drafting for heating systems. In accordance with an exemplary embodiment, an exemplary draft control system comprises at least one draft plate and a draft plate control system. Draft plate control system can comprise a control unit, one or more input devices, and one or more actuation systems. During operation, the control unit can receive a signal from an input device and use the actuation system to automatically adjust the amount of air intake by controlling movement of one or more draft plates.
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PCT International Search Rpt, Jul. 29, 2004.
Lau George H. K.
Little Robert A.
Thurber E. Wayne
Cocks Josiah C.
FPI Fireplace Products International Ltd.
Snell & Wilmer L.L.P.
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