1154371 is referenced by 1 patents.

ABSTRACT OF THE DISCLOSURE An internal plug-in recuperator positionedwithin the exhaust assembly of a furnace for increas-ing the efficiency of a combustion furnace system byusing less fuel input per heat output than conven-tional systems. Hot exhaust gases flowing within theexhaust assembly heat ambient air are directedthrough the recuperator before that air is injectedinto the burner. Preferably, the recuperator isconstructed in a counterflow arrangement with aninner recuperator tube positioned within an outerrecuperator tube.

Title
Recuperateur rapporte, et modes demploi et de fonctionnement connexes
Plug-in recuperator and method
Application Number
365663
Publication Number
1154371
Application Date
November 27, 1980
Publication Date
September 27, 1983
Inventor
Collier David W
Agent
FETHERSTONHAUGH & CO
Assignee
W B Combustion
IPC
F28D 21/00
F27D 17/00
F23L 15/04
F27B 05/14
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