High efficiency hot water boiler

Details High efficiency hot water boiler High efficiency hot water boiler

1978-10-16

1980-11-11

Yuen, Henry C.

Liquid heaters and vaporizers

Flasher

Fluid fuel

122279, 122208, 122359, 122136R, F22B 2700

Patent

active

042326346

ABSTRACT:
Apparatus and method for high efficiency transfer of heat from a combustion process to a working fluid wherein the combustion flame directly impinges upon a special material in contact with conduit means for directing the flow of the working fluid. The hottest part of the flame may be adjusted to directly contact such material. The apparatus in which such process takes place is subjected to a pressure gradient, directed from the top to the bottom of said apparatus such that the combustion gases are downwardly directed through the device for secondary heating of said working fluid prior to exhaust therefrom.

REFERENCES:
patent: 1077761 (1913-11-01), Schneider
patent: 1226849 (1917-05-01), Bookman
patent: 1359888 (1920-11-01), Greene
patent: 1383408 (1921-07-01), Leister
patent: 2197603 (1940-04-01), Allen
patent: 2756727 (1956-07-01), Caplan
patent: 4026246 (1977-05-01), Colle et al.

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