F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
F24H 1/43 (2006.01) F24D 17/00 (2006.01) F24H 1/18 (2006.01) F24H 7/02 (2006.01) F24H 9/00 (2006.01)
Patent
CA 2188321
A gas fuelled water heater for small scale (4-6kw) supply has an upright, tubular water jacket with a multi-jet gas burner at the lower end and a finned multi-tube preheater at the upper end. The incoming water is preheated before it enters the jacket. Heat exchange is promoted by water tubes which criss cross the diameter of the jacket. These are staggered radially by 10-35 degrees in order to slow the passage of the flue gases without creating back pressure. A thermostat controls gas supply from a bottled or reticulated supply. As the heater is connected in circuit with a domestic hot water tank it can supplement or replace electric water heating. The heater needs no electric current and can operate in areas without gas or electric reticulation.
Ade & Company
Hansen Leonard Roy
LandOfFree
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