Liquid heaters and vaporizers – Indirectly heated separate injected fluid – Submerged flame
Patent
1979-10-25
1981-11-24
Favors, Edward G.
Liquid heaters and vaporizers
Indirectly heated separate injected fluid
Submerged flame
126360A, F22B 102
Patent
active
043017738
ABSTRACT:
A hot water heater in which water is heated by passing it through a heat exchanging coil positioned in a tank filled with a heat exchanging liquid, such as water. Flue gases are drawn from a burner by a jet pump positioned in the tank, the gases passing through a second heat exchanging coil. The jet pump is driven by heat exchanging liquid from the tank circulated by an auxiliary pump. The flue gases are mixed with the heat exchanging liquid by the jet pump causing the flue gases to be washed and cooled before they are vented off from the top of the tank.
REFERENCES:
patent: 2787318 (1957-04-01), Wolfersperger
patent: 2878644 (1959-03-01), Fenn
patent: 3138150 (1964-06-01), Hyer et al.
patent: 3568658 (1971-03-01), Brock
patent: 4018216 (1977-04-01), Thurley
patent: 4201191 (1980-05-01), Zink et al.
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