Gas-fired water heaters

Details Gas-fired water heaters Gas-fired water heaters

1985-10-24

1987-04-21

Green, Randall L.

Stoves and furnaces

Liquid heater

Fluid fuel burner for other than top-accessible vessel

126359, 110215, 122 55A, 122 31R, F24H 110

Patent

active

046588035

ABSTRACT:
A compact, gas-fired water heater in which a reservoir of bulk water is indirectly heated by a gas burner-fired immersion tube and directly heated by mutual contact between the hot flue gases from the immersion tube outlet and feed water droplets as they pass each other in contra-flow through the apertures in a plurality of plates and through a packed bed of graded solid particles or Rashig rings. The packed bed may also include suitable chemicals for modifying the quality of the stored water. One or more calorifiers may be located in the reservoir with limited direct heat conduction contact with the immersion tube.

REFERENCES:
patent: 884223 (1908-04-01), Shipley
patent: 1341048 (1920-05-01), Drevet
patent: 3648682 (1972-03-01), Bougard
patent: 3826240 (1974-07-01), Miyahara
patent: 4275708 (1981-06-01), Wood
patent: 4380215 (1983-04-01), Mendelson

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