F - Mech Eng,Light,Heat,Weapons – 23 – K
Patent
F - Mech Eng,Light,Heat,Weapons
23
K
F23K 5/16 (2006.01) F16K 17/36 (2006.01) F23C 5/14 (2006.01) F23D 14/14 (2006.01) F23L 1/00 (2006.01) F23N 5/10 (2006.01) F23N 5/24 (2006.01) F23Q 9/00 (2006.01)
Patent
CA 2499899
A radiant gas burner within the combustion chamber of a water heater has a pilot flame created using a raw fuel jet that impinges on an interior surface portion of a flame holding outer burner wall portion, representatively of a metal wire mesh material, and is mixed within the burner with combustion air delivered thereto from outside the combustion chamber. The resulting fuel/air mixture passes outwardly through the impinged upon mesh wait portion, which functions as a pilot flame stabilizing structure, and is ignited to form a pilot flame on the exterior of the burner body. A thermocouple portion of a clogging detection system senses a change in the pilot flame shape caused by particulate clogging of the metal mesh material and responsively terminates further gas supply to the water heater.
Blake Cassels & Graydon Llp
Rheem Manufacturing Company
LandOfFree
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