Global Patent Index - EP 2999307 B1

EP 2999307 B1 20181024 - INDUCTION HOB AND METHOD FOR OPERATING AN INDUCTION HOB

Title (en)

INDUCTION HOB AND METHOD FOR OPERATING AN INDUCTION HOB

Title (de)

INDUKTIONSKOCHFELD UND VERFAHREN ZUR BEDIENUNG EINES INDUKTIONSKOCHFELDS

Title (fr)

PLAQUE DE CUISSON À INDUCTION ET PROCÉDÉ POUR FAIRE FONCTIONNER UNE TELLE PLAQUE

Publication

EP 2999307 B1 20181024 (EN)

Application

EP 15176589 A 20150714

Priority

  • EP 14185260 A 20140918
  • EP 15176589 A 20150714

Abstract (en)

[origin: EP2999304A1] The invention relates to an induction hob comprising a power stage (10) with at least one switching element (20) for enabling an alternating current flow through an induction element (21) and a control unit (11) providing enabling signal (P) comprising pulses with a variable pulse duration to the switching element (20) for enabling said current flow through said induction element (21), wherein the pulse duration (”P) is changed between a minimum value (”P min ) and a maximum value (”P max ) in order to adjust the power provided to the induction element (21). The control unit (11) is adapted to reduce the pulse duration (”P) of a set of enabling signal pulses (P) to a reduced pulse duration (”P red ) lower than minimum value (”P min ) when starting the heating process in order to reduce acoustic noise.

IPC 8 full level

H05B 6/06 (2006.01)

CPC (source: EP)

H05B 6/062 (2013.01)

Citation (opposition)

Opponent : Eisenführ Speiser Patentanwalte Rechtsanwalte PartGmbB

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 2999304 A1 20160323; EP 2999307 A1 20160323; EP 2999307 B1 20181024

DOCDB simple family (application)

EP 14185260 A 20140918; EP 15176589 A 20150714