Patent ID: 7360580
Filing Date: 2008-04-22
Classification: F24B,F24D,F28D,Y02B

Abstract:
1. A domestic heat exchanger comprising: a heat-conductive cylindrical shell, said shell being longitudinally bolted in place over a furnace flue so as to be in effective heat transfer contact with said furnace flue, said shell having a longitudinally extending split, wherein said split has a plurality of through-bored fastening tabs for accepting at least one clamping bolt therethrough, said at least one clamping bolt for bolting said shell in place over a furnace flue, and wherein said shell further having at least one coiled pipe for conducting a heat transfer fluid therethrough, said at least one coiled pipe being coiled around and outside of said shell and wherein said at least one coiled heat transfer fluid pipe is in effective heat transfer contact with said shell, said at least one coiled pipe having respective inlet and outlet plumbing connection ends for respective inlet and outlet of said heat transfer fluid.