Stoves and furnaces – Fireplaces or accessories – Condition responsive control
Reexamination Certificate
2006-04-09
2010-06-15
Basichas, Alfred (Department: 3743)
Stoves and furnaces
Fireplaces or accessories
Condition responsive control
C126S536000
Reexamination Certificate
active
07735482
ABSTRACT:
The combustion control system described herein is the top assembly of a combustion chamber. It was developed as part of an efficient wood burning fire place. The assembly presumes that there is some sort of baffle above the fire directing the flames to the front and a non-airtight glass door. The object is to burn cleanly, efficiently, with a minimum of creosote on the glass and with a relatively low cost non-airtight construction. A single damper blade regulates the flue opening, the combustion air supply and dilution air for the chimney. The blade also acts as a deflector to provide a long combustion path and heat extraction. A bimetal element automatically adjusts the damper as the combustion process changes.
REFERENCES:
patent: 4878478 (1989-11-01), Johnson
patent: 5611331 (1997-03-01), Phillips
patent: 5738706 (1998-04-01), Swanander et al.
patent: 5848931 (1998-12-01), Dortzbach
patent: 6267113 (2001-07-01), Maust et al.
Basichas Alfred
Fish & Richardson P.C.
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