Multiple-load induction heating cooking apparatus with means for

Details Multiple-load induction heating cooking apparatus with means for Multiple-load induction heating cooking apparatus with means for

1976-10-15

1978-05-30

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

219 1077, 307252M, 307252T, H05B 504

Patent

active

040925102

ABSTRACT:
A multiple-load induction heating cooking apparatus comprises two or more induction heating commutation circuits each having the junction between its commutating inductor and capacitor manually selectively connected by corresponding one of a plurality of interconnecting switches equal in number to the commutation circuits to form a series-connected LC circuit to a high frequency energy source. The potential at the common point of connection is compared with a reference potential to produce an error signal which is used to control the frequency of the energy source so that the potential at the common point is maintained constant regardless of the magnitude of induction heating loads.

REFERENCES:
patent: 3718852 (1973-02-01), Bailey
patent: 3925633 (1975-12-01), Partridge
patent: 3932801 (1976-01-01), Peters
patent: 3987268 (1976-10-01), Maeda et al.
patent: 4002875 (1977-01-01), Kiuchi et al.
patent: 4010342 (1977-03-01), Austin
patent: 4016392 (1977-04-01), Kobayashi

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