Stoves and furnaces – Liquid heater – Open-top vessel that may include lid
Patent
1990-08-15
1992-04-07
Price, Carl D.
Stoves and furnaces
Liquid heater
Open-top vessel that may include lid
1263435R, 126 92AC, 431329, 99403, A47J 2702, F23D 1414
Patent
active
051018063
ABSTRACT:
An improved gas burner for a cooking tank or heating air via a heat exchanger, the burner including a distribution tube which is closed at one end and mounted within a burner shell. The upper generally semi-cylindrical surface layer of the burner shell is formed as a mesh structure from at least three layers of mesh, the upper layer of which is laid with the axis of its grid at an angle of 45.degree. to the longitudinal axis of the burner. The distribution tube and shell are mounted in a heat exchanger of a cooking tank or convection oven, the arrangement being such that a combustible gas fed via an injector to an end of the distribution tube is spread evenly along the length of the tube to be burnt as it diffuses through the mesh structure. The mesh glows to produce infra-red radiation which is transferred to the full length of the heat exchanger to thereby increase heat transfer to the contents of the cooking tank or to air in contact with the heat exchanger. Additionally, the heat exchanger can include a tubular housing for the gas burner, the housing having at its output end a weir plate positioned to retain, in an upper region of the tubular housing, heat and combustion gases from the gas burner to thereby improve heat transfer through the tubular housing to the cooking tank or to the surrounding air.
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Hunt Gerald W.
Mayell David W.
Moffat Appliances Limited
Price Carl D.
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