Electric heating – Metal heating – Of cylinders
Patent
1977-07-22
1978-12-12
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
219 1077, 363 57, H05B 504
Patent
active
041297679
ABSTRACT:
A plurality of switches each is provided in the vicinity of each of a plurality of heater coils of an induction heating apparatus, and responsive to removel of a cooking implement from a corresponding heater coil for being rendered open. A plurality of timers each is connected to each of the switches and causes the heater coil to be de-energized when the cooking implement is kept away from the heater coil for more than a predetermined time period.
REFERENCES:
patent: 3604882 (1971-09-01), Seyfried
patent: 3796850 (1974-03-01), Moreland et al.
patent: 3823297 (1974-07-01), Cunningham
patent: 3870847 (1975-03-01), Shields
patent: 3886342 (1975-05-01), Peters
patent: 3919621 (1975-11-01), Wechsler
patent: 3925633 (1975-12-01), Partridge
Amagami Keizo
Funakoshi Kouji
Kiuchi Mitsuyuki
Kominami Hideyuki
Mizukawa Takumi
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Matsushita Electric Industrial Company Limited
Reynolds Bruce A.
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