Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1978-03-29
1980-05-13
Yeung, James C.
Stoves and furnaces
Hot-air furnaces
Compressed air
126 99D, 126 99R, 126110E, 126111, 126116R, F24H 302
Patent
active
042023181
ABSTRACT:
The multipurpose heating apparatus comprises a hollow and closed elongated metal casing forming a combustion chamber which is fixedly mounted within a closed insulated elongated housing, with the combustion chamber casing being spaced from the top, side walls and part of the bottom wall of the housing to define an air circulating passageway. Air supply blower means is connected to one end of the air circulating passageway while the other end of the passageway is connected to an air return passage provided in the bottom wall of the housing. The combustion chamber is divided into a solid waste fuel burning zone and into a gas or liquid fuel burning zone. Fuel burned within the combustion chamber transfers heat to the metal casing which radiates the heat into the air circulating passageway. The blower means is effective to direct air into the heating chamber and to transmit same through the air circulating passageway across the combustion chamber casing to pick up the heat radiating therefrom, with the heated air exiting the air circulating passageway through the air return passage from where the heated air may be directed to atmosphere or to an air supply system.
REFERENCES:
patent: 2355495 (1944-08-01), Zier
patent: 2564775 (1951-08-01), Besser
patent: 2578927 (1951-12-01), Esson
patent: 2579047 (1951-12-01), Luty
patent: 2622585 (1952-12-01), Rifle
patent: 3076449 (1963-02-01), Jacobs
patent: 3171400 (1965-03-01), Heiman
patent: 3312212 (1967-04-01), Wilson
patent: 3779230 (1973-12-01), Muckelrath
patent: 4047515 (1977-09-01), Daniel
patent: 4141335 (1979-02-01), Wright
DePodesta Thomas C.
Moss Milton
O'Connor Daniel J.
Yeung James C.
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