F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent
F - Mech Eng,Light,Heat,Weapons
24
J
126/12, 126/96
F24J 1/00 (2006.01) F24B 1/00 (2006.01) F24B 5/02 (2006.01) F24B 7/00 (2006.01)
Patent
CA 1178863
ABSTRACT OF THE DISCLOSURE A housing is provided defining a closed lower combustion chamber and a closed upper afterburn chamber disposed immediately above the combustion chamber with one marginal portion of the combustion chamber projecting horizontally outwardly beyond the corresponding marginal portion of the after- burn chamber. A combined flue gas and bypass chamber is disposed above the one marginal portion of the combustion chamber and is horizontally registered with the afterburn chamber. Partition structure divides the combined flue gas and bypass chamber into central and remote end portions spaced along the aforementioned one marginal portion and a pair of first ports communicate the remote portions with adjacent underlying upper portions of the combustion chamber, a pair of second ports communicate the remote portions with adjacent portions of the afterburn chamber and third port structure communicates the central portion of the afterburn chamber with the central portion of the combined chamber. Further, fourth port structure communicates the central portion of the afterburn chamber with an underlying central upper portion of the combustion chamber. Catalytic combuster structure is disposed in the first ports and damper structure is operatively associated with the fourth port structure for variably opening and closing the latter. Flue gas outlet structure opens outwardly of the central portion of the combined chamber, combustion air inlet structure opens into the combustion chamber and supplemental combustion air inlet structure opens into the combustion chamber closely adjacent the combuster structure.
442642
Hirschey Dareld A.
Macrae & Co.
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