Electric heating – Heating devices – Resistive element: igniter type
Patent
1980-04-04
1982-04-20
Bartis, A.
Electric heating
Heating devices
Resistive element: igniter type
43127, 43129, 219275, 219300, 219304, 239133, 239136, 252305, 252359R, 252359CG, B01J 1300, F22B 128, H05B 342, B05B 124
Patent
active
043261191
ABSTRACT:
A portable battery-powered electric smoke generator for simulating the sm of a fire for training purposes includes a tubular housing enclosing a rechargeable battery power supply having terminals connected to the ends of a tubular metallic coil filled with a vaporizable smoke producing liquid. One end of the tubular coil communicates with a smoke discharge port at one end of the housing. The discharge port is sealed by a fusible disk and communicates with an apertured smoke release cup. An electric switch arrangement, either thermal or electronic, is provided on the housing in the circuit between the coil and power supply for energizing the tubular coil for a time sufficient to superheat the vaporizable liquid therein. The heat of the tubular coil melts the fusible disk to release the superheated liquid through the smoke release cap into the atmosphere as a vapor simulating smoke. The liquid may be mineral oil, polyethylene glycol 200 or propylene glycol.
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Adams Robert W.
Bartis A.
Beers Robert F.
Kalmbaugh David S.
The United States of America as represented by the Secretary of
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