F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/40
F22B 1/18 (2006.01) F23D 14/12 (2006.01) F24H 1/20 (2006.01) F24H 8/00 (2006.01)
Patent
CA 1267818
HIGH EFFICIENCY WATER HEATER Abstract of the Disclosure A water heater having improved efficiency. The water heater includes a tubular member that in mounted in an opening in the side of the tank and extends horizontally across the lower portion of the tank. The turbular member defines a combustion cham- ber. An elongated burner is positioned within the combustion chamber and includes an inner metal support screen and an outer layer of woven ceramic fabric. A fuel-air mixture is supplied to the interior of the burner and the fuel is ignited on the outer surface of the burner with heat being transferred to the water in the tank. The waste gases of combustion are discharged from the inner end of the tubular member and are directed into a series of heat exchange tubes which are positioned beneath the combustion chamber. The hot waste gases passing through the tubes act to transfer further heat to the water in the tank. The outer ends of the tubes extend through the wall of the tank and communicate with a collector which is connected to a flue. A condensate trap is mounted in the collector and serves to collect and discharge condensate, while preventing discharge of the waste gases of combustion to the atmosphere.
492810
Aos Holding Company
Marks & Clerk
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