Patent · US Active

Cooktop and method for operating a cooktop

US9609697B2 · kind B2 · utility

9Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2009
Grant dateMar 28, 2017
Priority date
Expiry dateJun 10, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B40/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A cooktop is provided that includes heating elements which are combined to a heating zone; a power supply to generate a heating current that operates the heating elements; a switch to open and close a power circuit that includes the power supply and one of the heating elements; and a controller that determines a characteristic variable of the heating current, actuates the switch as a function of a selected power level to operate the heating zone, and activates, in a first operating state, two of the heating elements, which are combined to form the heating zone, in different phases of a heating period.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.