Furnaces – Fuel feeders – Feeder responsive to fuel bed height
Reexamination Certificate
2006-09-21
2010-11-30
Rinehart, Kenneth B (Department: 3743)
Furnaces
Fuel feeders
Feeder responsive to fuel bed height
C110S186000, C110S267000, C110S317000
Reexamination Certificate
active
07841282
ABSTRACT:
An apparatus, method, and system for combusting bridging fuel which includes biomass material. The apparatus includes an enclosure having a relatively thin wall defining a firebox. A temperature sensor is positioned on the exterior of the wall of the firebox. A controller is operatively connected to the temperature sensor and the fuel feed conveyor. If the temperature sensor exceeds a set point, the controller automatically operates the fuel feed conveyor to refill the firebox with fuel, which reinsulates the wall of the firebox so that fuel surrounds the combustion. A method according to the invention causes a refilling of fuel into a firebox upon sensing a condition indicative of a collapse of the bridging fuel in the firebox during combustion, losing its insulating effect at that location. The refilling is adapted to reinsulate the firebox with the fuel.
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Keeling Matthew B.
Kimberlin John
Laux David J
McKee Voorhees & Sease, P.L.C.
Rinehart Kenneth B
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