Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Patent
1975-11-26
1977-07-26
Wayner, William E.
Stoves and furnaces
Hot-air furnaces
Liquid or gaseous fuel
126110R, 261123, 431339, F24H 306
Patent
active
040375820
ABSTRACT:
An air-heating appliance is described which uses used engine lubricating oil as a fuel. The oil is fed by gravity to a burner consisting of an open cylindrical pan having a perforated side-wall and which is divided horizontally by an apertured fire plate. The pan is surrounded by a cylindrical casing which is spaced from the walls of the pan. A flue duct is arranged concentrically with and extends from the open top of the pan and is provided with jacket to define a heat exchange passage around the flue duct for air to be heated. Air flow through the heat exchange passage is induced by a fan and is directed and redirected in the passage by angled vanes disposed therein. Initially, the oil is ignited by an electric heating element which is switched off once self-ignition conditions pertain.
REFERENCES:
patent: 2336666 (1943-12-01), Breese
patent: 2351481 (1944-06-01), Breese
patent: 2371520 (1945-03-01), Hayter
patent: 2376172 (1945-05-01), Mueller
patent: 2389264 (1945-11-01), Livar
patent: 2579507 (1951-12-01), MacCracken
patent: 2893374 (1959-07-01), Wilson, Sr.
patent: 2944598 (1960-07-01), Huntley et al.
Baker Joseph J.
Ferguson Jr. Gerald J.
Industrial & Marine Services (Scotland) Limited
Tapolcai, Jr. William E.
Wayner William E.
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