Multiple stage heating apparatus

Details Multiple stage heating apparatus Multiple stage heating apparatus

1998-08-14

1999-11-23

Walberg, Teresa

Heating

Work chamber having heating means

Combustion products heat work by contact

122 17, 126350R, F27B 320

Patent

active

059890207

ABSTRACT:
A heating apparatus includes at least first and second burners located in a combustion chamber wherein the burners are separated by a divider for deterring uncombusted fuel flowing from a firing burner to an area adjacent to a non-firing burner. In another aspect of the present invention, the burners are used to heat water in a multiple staged heater.

REFERENCES:
patent: 3844233 (1974-10-01), Fishback
patent: 4295606 (1981-10-01), Swenson
patent: 4549525 (1985-10-01), Narang
patent: 4557203 (1985-12-01), Mainord
patent: 4660541 (1987-04-01), Moore
patent: 4678116 (1987-07-01), Krishnakumar et al.
patent: 4716858 (1988-01-01), Bartels
patent: 4909191 (1990-03-01), Le Mer
patent: 5570659 (1996-11-01), Cohen
Lochinvar "Copper-Fin II" brochure, Aug. 1997, 6 pages.

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