F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
257/14, 126/19,
F24H 6/00 (2006.01) F24H 1/10 (2006.01) F24H 3/02 (2006.01) F28F 21/06 (2006.01)
Patent
CA 1130677
TITLE High Efficiency Heater for Air or Water ABSTRACT OF THE DISCLOSURE A high efficiency heater for air or water is disclosed in which the combustion products from a flame are forced through water in a contacting device in a manner to transfer almost all of the useable heat of the combustion products to the water, and to heat the water to a temperature of about 120 to 185°F. The cooled waste gases are vented to the atmosphere, and the heated water is passed through a heat exchanger to heat air or water such as for a home heating system. As the heated water passed from the contacting device to the heat exchanger is at a temperature below the normal boiling point of water, a plastic heat exchanger can be used, which is low enough in cost to permit using a large unit for maximum heat utilization. D-4994
350848
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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