Combustion – Process of combustion or burner operation – Heating feed
Reexamination Certificate
2005-03-08
2005-03-08
Lazarus, Ira S. (Department: 3749)
Combustion
Process of combustion or burner operation
Heating feed
C431S215000, C432S182000, C165S007000, C165S134100, C165S921000
Reexamination Certificate
active
06863523
ABSTRACT:
A boiler system includes combustion air conduit for directing the flow of combustion air through a first air heater (e.g., A-side heater) to a boiler and flue gas conduit for directing the flow of flue gas generated by the boiler to a second air heater (e.g., B-side heater). The combustion air conduit is configured to direct the majority of the combustion air to the first air heater, and the flue gas conduit is configured to direct the majority of the flue gas from the boiler to the second air heater.
REFERENCES:
patent: 4424857 (1984-01-01), Linde
patent: 4932464 (1990-06-01), Lee et al.
Barrow James G.
Covington & Burling
Lazarus Ira S.
PPL Corporation
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