Control device particularly for induction cooking ranges with mu

Details Control device particularly for induction cooking ranges with mu Control device particularly for induction cooking ranges with mu

1996-01-22

1998-02-03

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219665, 219662, H05B 608, H05B 612

Patent

active

057147396

ABSTRACT:
A control device particularly for induction cooking ranges with multiple heating units which comprises a plurality of induction coils. The induction coils can be electrically parallel-connectable to each other. The device also comprises elements for engaging the induction coils connecting individual induction coils or pairs of induction coils to a single electric power converter, and elements for sensing the presence or the absence of a pot or the presence of an unadapted pot on a particular induction coil; the sensor elements are electrically connected to control means that select, on user's command, the induction coils to be activated and the power to be carried to each individual induction coil, and control the sending of shares of the power generated by the electronic converter to each active induction coil, at the same time limiting the periodic variations in the current absorbed from the mains, within the limits allowed by statutory provisions regarding so-called "flicker".

REFERENCES:
patent: 4092509 (1978-05-01), Mitchell
patent: 4092510 (1978-05-01), Kiuchi et al.
patent: 4112287 (1978-09-01), Oates et al.
patent: 4275281 (1981-06-01), Kiuchi
patent: 4320273 (1982-03-01), Kiuchi
patent: 4426564 (1984-01-01), Steigerwald et al.
patent: 4456807 (1984-06-01), Ogino et al.
patent: 4511781 (1985-04-01), Tucker et al.
patent: 4560851 (1985-12-01), Tsukamoto et al.
patent: 5010223 (1991-04-01), Kim
patent: 5523631 (1996-06-01), Fishman et al.

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