Wood fired boiler

Details Wood fired boiler Wood fired boiler

2011-06-07

2011-06-07

Rinehart, Kenneth B (Department: 3743)

Furnaces

With exhaust gas treatment means

C110S309000, C110S322000, C110S234000, C110S185000, C126S108000, C126S11000R

Reexamination Certificate

active

07954438

ABSTRACT:
A bio-mass fueled boiler operating at delivered efficiencies in excess of 90%. Pre-heated, pressurized primary combustion air is supplied to a primary burn chamber via horizontal and vertical orifice containing conduits. Exhaust gases are directed past a reflective secondary burner supplying pre-heated, pressurized secondary combustion air into a secondary burn/ash collection chamber. Exhaust gases are directed from the secondary burn chamber via exhaust conduits having axial and cross-sectional shapes and wall geometries that promote internal turbulence and heat transfer. One or more gas/oil fired burners are fitted to or between the primary and secondary combustion chambers. Several operating modes are provided via associated blowers, air baffles, liquid and gas fuel conduits, pumps and sundry stove sensors and servos coupled to microprocessor control circuitry.

REFERENCES:
patent: 3543700 (1970-12-01), Devita et al.
patent: 3907210 (1975-09-01), Dow et al.
patent: 4319556 (1982-03-01), Schwartz et al.
patent: 4582045 (1986-04-01), Dorau et al.
patent: 4630553 (1986-12-01), Goetzman
patent: 4646712 (1987-03-01), Ferguson et al.
patent: 5014680 (1991-05-01), Siemer

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