F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/94
F22B 37/00 (2006.01) F22B 37/14 (2006.01)
Patent
CA 1247479
ABSTRACT OF THE DISCLOSURE A heat exchanger is disclosed of the type having a gas flue which consists of medium-carrying wall tubes extending substantially parallel to the longitudinal axis of the gas flue and welded together in a gas-tight fashion. The gas flue terminates at one end by medium- carrying tubes which are also welded together in a gas- tight fashion and which extend transversely of the longitudinal axis of the gas flue. All tubes terminating at the said one end of the gas flue are connected to the medium side of at least 80% of the wall tubes of the gas flue. The advance in the art is in that the invention can be used for virtually any cross-sectional shape of the gas flue while avoiding substantial differences in the length of the tubing.
458156
Gowling Lafleur Henderson Llp
Sulzer Brothers Limited
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