Insecticide dispenser with temperature sensor

Details Insecticide dispenser with temperature sensor Insecticide dispenser with temperature sensor

1986-08-04

1988-07-19

Hartary, Joseph W.

Electric heating

Heating devices

Resistive element: igniter type

219275, 219504, 219432, 219433, 219511, 422126, H05B 314

Patent

active

047587083

ABSTRACT:
An insecticide dispenser capable of initiating the volatilization of a charge of insecticide to fumigate a room and then automatically shutting itself off during, or at the completion of the dispensing of the insecticide, whereby the dispenser can be safely left unattended during the fumigation of a room. The dispenser includes a container for the insecticide disposed upon a PTC heater, the elements being arranged adjacent a bimetal switching device that opens upon sensing a predetermined temperature, and can hold itself in the open position until intentionally reset. When the electrical circuit is open, the power supply to the PTC heater is broken and the heating will be discontinued.

REFERENCES:
patent: 1830578 (1931-11-01), Vaughan
patent: 1908055 (1933-05-01), Riley
patent: 1908676 (1933-05-01), Appelberg
patent: 2267546 (1941-12-01), Warner
patent: 2426906 (1947-09-01), Vaughan
patent: 2508637 (1950-05-01), Bolesky
patent: 2685020 (1954-07-01), Laibow
patent: 3079485 (1963-02-01), Groves
patent: 4163038 (1979-07-01), Nishimura
patent: 4324974 (1982-04-01), Steiner
patent: 4571485 (1986-02-01), Spector

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