Portable heating apparatus

Details Portable heating apparatus Portable heating apparatus

1976-05-11

1978-04-11

Wayner, William E.

Combustion

Timer, programmer, retarder or condition responsive control

By manually started timer or retarder, or by time of day device

237 123C, 431328, F23N 522

Patent

active

040836738

ABSTRACT:
A portable heating apparatus includes a catalytic bed, a fuel for the catalyst and an electrical circuit operative at a preset time and throughout a predetermined duration of time for igniting the fuel. The circuit includes a transducer in the form of a resistive heating element connected to a source of power and a pair of switches, all arranged in series with the power source. One switch comprises a motor driven time indicator and the other switch comprises a timer which is manually latched closed and automatically unlatched upon closure of the time indicator. The duration of time during which the latter switch remains closed after unlatching may be adjusted.

REFERENCES:
patent: 2495857 (1950-01-01), Massare
patent: 2819373 (1958-01-01), Allman
patent: 3221138 (1965-11-01), Hercher
patent: 3291199 (1966-12-01), Gutzeit
patent: 3877639 (1975-04-01), Wilson

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