Global Patent Index - EP 3387178 B1

EP 3387178 B1 20191009 - METHOD FOR OPERATING A HOUSEHOLD APPLIANCE AND HOUSEHOLD APPLIANCE

Title (en)

METHOD FOR OPERATING A HOUSEHOLD APPLIANCE AND HOUSEHOLD APPLIANCE

Title (de)

VERFAHREN ZUM BETREIBEN EINES HAUSHALTSGERÄTS UND HAUSHALTSGERÄT

Title (fr)

PROCÉDÉ DE FONCTIONNEMENT D'UN APPAREIL ÉLECTROMÉNAGER ET APPAREIL ÉLECTROMÉNAGER

Publication

EP 3387178 B1 20191009 (DE)

Application

EP 16782062 A 20161017

Priority

  • DE 102015224657 A 20151209
  • EP 2016074839 W 20161017

Abstract (en)

[origin: WO2017097475A1] The invention relates to a method for operating a household appliance (1) for the care of laundry items (6), in which liquid is filled into a tub (3) of the household appliance, in particular during a washing phase (22) of an operating program, and the liquid and/or detergent solution is pumped out of the tub (3) via a drain line (11) during a subsequent pumping out phase (24), wherein a pump (12) is operated in a main direction (18) for pumping out the liquid and/or detergent solution, and during the pumping out a check valve (16) is moved out of a closed position, in which the drain line (11) is sealed with respect to the tub (3), into an open position in which the drain line (11) is fluidly connected to the tub (3), wherein at least during a predefined time interval (25), in particular during the washing phase (22), the pump (12) is operated in a direction (20) counter to the main direction (18), and by this means, a pump pressure (2) is established at the check valve (16) by means of which the check valve (16) is pushed into the closed position.

IPC 8 full level

D06F 39/08 (2006.01)

CPC (source: EP US)

D06F 37/42 (2013.01 - EP US); D06F 39/086 (2013.01 - EP US); D06F 39/085 (2013.01 - EP US)

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)

DE 102015224657 A1 20170614; CN 108368664 A 20180803; CN 108368664 B 20200804; EP 3387178 A1 20181017; EP 3387178 B1 20191009; PL 3387178 T3 20200518; WO 2017097475 A1 20170615

DOCDB simple family (application)

DE 102015224657 A 20151209; CN 201680071808 A 20161017; EP 16782062 A 20161017; EP 2016074839 W 20161017; PL 16782062 T 20161017