Air heating apparatus and method

Stoves and furnaces – Hot-air furnaces – Compressed air

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Details

126116R, F24H 302

Patent

active

047293659

ABSTRACT:
An indirect fired air heater of the portable type and method of operating the same wherein the combustion gas flow is reversed in a combustion drum and passed through a heat exchanger between the drum and the outer casing, the heat exchanger being supported from the outer casing with the combustion drum floatingly supported therebetween.

REFERENCES:
patent: 2021605 (1935-11-01), Macrae
patent: 2844195 (1958-07-01), Wein
patent: 4309978 (1982-01-01), Hensiek et al.
patent: 4471754 (1984-09-01), Galtz
patent: 4519375 (1985-05-01), Galtz
patent: 4545329 (1985-10-01), Adams

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