Fluid heater

Details Fluid heater Fluid heater

1976-10-12

1978-03-07

Myhre, Charles J.

Heat exchange

Casing or tank enclosed conduit assembly

With distinct flow director in casing

122 3, 122250R, F28D 710

Patent

active

040774686

ABSTRACT:
A fluid heater which includes a housing having a curved outer wall and two flat walls with a tangential inlet for hot gas in the curved wall, and a central outlet for exhaust gas in one flat wall, and having within it a stack of flat helices of tubing for carrying the fluid to be heated in a plurality of parallel paths, and with a first fluid passageway connecting from the outside of the housing to the inner turn of each helix, and a second fluid passageway connecting from the outside of the housing to the outer turn of each helix, and with the first fluid passageway being positioned between adjacent helices to be in contact with the tubes of adjacent helices, correspondingly located with respect to the first passageways of other helices, and bending toward the inner turn of each helix in the direction of hot gas flow from the periphery toward the center of the housing is disclosed.

REFERENCES:
patent: 1383408 (1921-07-01), Leister
patent: 1703228 (1929-02-01), French
patent: 2160644 (1939-05-01), Clarkson
patent: 3336910 (1967-08-01), Taylor
patent: 3693599 (1972-09-01), Andreer et al.
patent: 3895608 (1975-07-01), Sukhuja

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