Global Patent Index - EP 2871278 A1

EP 2871278 A1 20150513 - Washing machine for drainage and circulation of wash water and controlling method thereof

Title (en)

Washing machine for drainage and circulation of wash water and controlling method thereof

Title (de)

Waschmaschine zur Drainage und Zirkulation von Waschwasser und Steuerverfahren dafür

Title (fr)

Machine à laver pour le drainage et la circulation de l'eau de lavage et son procédé de commande

Publication

EP 2871278 A1 20150513 (EN)

Application

EP 14177169 A 20140715

Priority

KR 20130134528 A 20131107

Abstract (en)

A washing machine (100) can include a washing part (210) configured to wash, rinse, and/or spin-dry laundry after water is supplied to a washing tub (111) of the washing machine (100); a drain part (230), including a drain pipe (121) connected to the washing part (210) and a drain hose (122) connected to a drain hole (123), and a pump (120) configured to rotate an impeller (312) connected to a rotation shaft (311) of the pump (120) in a forward direction or a backward direction; and a controller (220) configured to rotate the impeller (312) in the backward direction and circulate wash water into the washing tub (111) through the drain pipe (121) during a washing operation, and rotate the impeller (312) of the pump (120) in the forward direction and discharge the wash water through the drain hose (122) during a drain operation.

IPC 8 full level

D06F 39/08 (2006.01); D06F 33/02 (2006.01)

CPC (source: CN EP US)

D06F 23/02 (2013.01 - CN); D06F 34/08 (2020.02 - CN EP US); D06F 39/085 (2013.01 - CN EP US); D06F 39/08 (2013.01 - CN EP US); D06F 39/083 (2013.01 - CN EP US); D06F 2105/06 (2020.02 - CN EP US); D06F 2105/08 (2020.02 - CN EP US)

Citation (search report)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2871278 A1 20150513; CN 104631058 A 20150520; US 2015121629 A1 20150507

DOCDB simple family (application)

EP 14177169 A 20140715; CN 201310701435 A 20131218; US 201314107648 A 20131216