High efficiency water boiler having finned heat exchanger

Details High efficiency water boiler having finned heat exchanger High efficiency water boiler having finned heat exchanger

1995-09-08

1997-09-30

Bennett, Henry A.

Liquid heaters and vaporizers

Flue

Vertical

122245, 122250R, 1223673, F22B 704

Patent

active

056717008

ABSTRACT:
This invention relates to a natural gas fire water boiler having a spirally wrapped finned heat exchanger surrounding a burner. The center of the heat exchanger being plugged by a core having a constantly reducing diameter truncated cone top.

REFERENCES:
patent: 3359949 (1967-12-01), Bjarnason et al.
patent: 4442799 (1984-04-01), Craig et al.
patent: 4589374 (1986-05-01), Farina
patent: 5131351 (1992-07-01), Farina

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