Heating – Work chamber having heating means – Combustion products heat work by contact
Reexamination Certificate
2005-12-13
2005-12-13
Wilson, Gregory (Department: 3749)
Heating
Work chamber having heating means
Combustion products heat work by contact
C122S00100C, C165S010000
Reexamination Certificate
active
06974318
ABSTRACT:
A method of burning off accumulated contaminants from heat sink media of a regenerative oxidizer having a plurality of segments containing media arranged around a central axis and a rotary valve which includes repeatedly rotating the rotary valve 180 degrees to alternatively direct waste gas through a first plurality of segments, direct the hot gas through a second plurality of segments and purge gas through a third segment to burn off the contaminants, then indexing the rotary valve one segment and repeating the burn-off process of all segments.
REFERENCES:
patent: 5562442 (1996-10-01), Wilhelm
patent: 5871349 (1999-02-01), Johnson et al.
patent: 5915340 (1999-06-01), Cronin et al.
patent: 6145582 (2000-11-01), Bolle et al.
patent: 6203316 (2001-03-01), Pennington
Ahn Sunjung
McAnespie Donald I.
Schroeder Jason T.
Dürr Environmental, Inc.
Howard & Howard
Wilson Gregory
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