Microcombustion heater having heating surface which emits...

Details Microcombustion heater having heating surface which emits... Microcombustion heater having heating surface which emits...

2005-01-11

2005-01-11

Cocks, Josiah C. (Department: 3749)

Combustion

Porous, capillary, particulate or sievelike flame holder,...

Means supplying fuel for passage through the flame holding...

C431S170000, C431S243000

Reexamination Certificate

active

06840762

ABSTRACT:
A small microcombustion heater which can realize reliable combustion. The heater has a premixed gas passage which reaches a combustion chamber, and a passage for a combustion gas drawn from the combustion chamber. The passages are arranged in a spiral form in a manner such that a heating wall is provided between the passages. The width of the premixed gas passage is a quenching distance or less, where the quenching distance is determined depending on the premixed gas. The heater has two outer faces for holding the spiral passages from both sides of the upper and lower edges of the heating wall, and at least one of the outer faces is a heating surface for emitting radiant heat. Typically, the spiral passages are placed between a heat-resisting heating plate and a heat insulating plate, and an outer face of the heat-resisting heating plate functions as the heating surface.

REFERENCES:
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patent: 4369029 (1983-01-01), Forster et al.
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patent: 6193501 (2001-02-01), Masel et al.
patent: 20010029974 (2001-10-01), Cohen et al.
patent: 2-272214 (1989-04-01), None
Weinberg et al., “On thermoelectric power conversion from heat re-circulating combustion systems,” 29thInt'l Symposium on Combustion, Jul. 2002, 10 sheets.

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