Electric heating – Heating devices – Resistive element: igniter type
Patent
1978-02-14
1981-05-05
Bartis, A.
Electric heating
Heating devices
Resistive element: igniter type
132 9, 219222, 219275, 219291, 219292, 239133, 239136, H05B 360, F22B 130, B05B 124
Patent
active
042661161
ABSTRACT:
A superheated vapor generator including a porous material substantially filling an annular space between two concentric spaced apart tubular inner and outer electrodes connected across a power source. A pump is provided to pump a predetermined quantity of liquid into the porous material to temporarily complete the circuit through the electrodes and generate superheated vapor or steam. Since the liquid itself completes the circuit, no switches or controls are required. Labyrinthe passages between the pump and the inlet to the annular space and between the interior surface of the inner electrode and a tubular steam discharge outlet prevents dangerous current leakage and assure generation of superheated vapor. An electrically grounded porous metal plug in the vapor outlet minimizes electrical shock hazards. The vapor generator is held in the hand and can be used for setting or treating human hair.
REFERENCES:
patent: 1604408 (1926-10-01), Graetzer
patent: 2140516 (1938-12-01), Cowan
patent: 2400618 (1946-05-01), Wicks
patent: 2519515 (1950-08-01), Turner
patent: 2588314 (1952-03-01), Wicks
patent: 2835781 (1958-05-01), Bashuk
patent: 3781519 (1973-12-01), Martin et al.
patent: 3814898 (1974-06-01), Levine
patent: 4166473 (1979-09-01), Bauer et al.
Bauer Daniel
Beck Jean-Paul
Boiteau Claude
Garoche Didier
"L'Oreal"
Bartis A.
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