F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/79
F22B 7/12 (2006.01) F24H 1/28 (2006.01) F24H 1/50 (2006.01)
Patent
CA 1091108
ABSTRACT OF THE DISCLOSURE A boiler has a cylindrical firebox surrounded by a water jacket which, in turn, is surrounded by a hot water boiler. The firebox has a cylindrical primary furnace, in which a burner for liquid or gaseous fuel is located, and a cylindrical secondary furnace which is of greater diameter than the primary furnace. Combustion gases are removed from the secondary furnace through fire tubes arranged in a circular array around the fire box and extending axially thereof through the water jacket. The water jacket and hot water boiler are separated by a partition which lies against the circular fire tube array inside the water jacket.
297254
Robic Robic & Associes/associates
Siegrist Eugen J.
LandOfFree
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