Multiple heat fusing wire circuit for underblankets

Details Multiple heat fusing wire circuit for underblankets Multiple heat fusing wire circuit for underblankets

1984-06-13

1985-10-15

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heating unit structure

219212, 219505, 219528, 219549, 219494, H05B 302

Patent

active

045476586

ABSTRACT:
A heating cable for use with an electric underblanket the cable being of the type in which a sensor wire is employed coextensive with a heater wire and separated by a layer of meltable insulating material so that overheat conditions are sensed by contact between the sensor wire and the heater. A number of helically wound coextensive wires cooperate with switching means to provide overheat temperature sensing at various wattage levels of heating.

REFERENCES:
patent: 2846560 (1958-08-01), Jacoby et al.
patent: 3493727 (1970-02-01), Hosokawa et al.
patent: 3591765 (1971-07-01), Owers
patent: 3628093 (1971-12-01), Crowley
patent: 3814899 (1974-06-01), Gordon, Jr. et al.
patent: 4034185 (1977-07-01), Crowley
patent: 4251718 (1981-02-01), Cole
patent: 4278874 (1981-07-01), Cole
patent: 4503322 (1985-03-01), Kishimoto et al.

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