F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
F24H 9/20 (2006.01) F23L 1/00 (2006.01) F23M 9/02 (2006.01) F24H 1/20 (2006.01) F24H 9/18 (2006.01)
Patent
CA 2371848
An explosion proof gas water heater is comprised of a housing having a water reservoir provided with a sealed combustion chamber thereunder. A flue pipe is disposed above the combustion chamber and extends through the reservoir. A gas burner and pilot are provided in the combustion chamber. At least one air supply channel is provided to supply fresh air to the combustion chamber, one or more vapor detectors are associated with the channel to detect the presence of combustible vapors. The vapor detectors are connected to the switches to shut off the gas burner and pilot before the combustible vapors reached the gas burner and pilot through the air supply channel.
Lesage Claude
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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