Induction heating apparatus

Details Induction heating apparatus Induction heating apparatus

1978-01-18

1978-09-19

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

200 50C, 219 1077, 236 46D, 307 41, 328 75, 338131, 363 8, H05B 504

Patent

active

041156773

ABSTRACT:
An induction heating apparatus includes an inverter circuit, a plurality of output coils for induction heating, a coil selection circuit for selectively connecting the output coils to the output terminal of the inverter circuit, and a control circuit for driving the coil selection circuit and inverter circuit so as to cyclically supply the output of the inverter to any selected one of the output coils for each predetermined time of a predetermined cycle. The induction heating apparatus further includes a plurality of output adjusting means for setting the output period of the respective output coils which is included in the predetermined cycle.

REFERENCES:
patent: 2841666 (1958-07-01), Anderson
patent: 2932715 (1960-04-01), Weeks
patent: 3558924 (1971-01-01), Lindell
patent: 3925633 (1975-12-01), Partridge
patent: 3955061 (1976-05-01), Roehrman

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