Global Patent Index - EP 1527224 B1

EP 1527224 B1 20111012 - METHOD FOR REMOVING FOAM FROM THE LYE CONTAINER OF A DRUM-TYPE WASHING MACHINE

Title (en)

METHOD FOR REMOVING FOAM FROM THE LYE CONTAINER OF A DRUM-TYPE WASHING MACHINE

Title (de)

VERFAHREN ZUM BESEITIGEN VON SCHAUM IM LAUGENBEHÄLTER EINER TROMMELWASCHMASCHINE

Title (fr)

PROCEDE POUR ELIMINER DE LA MOUSSE DANS LE RESERVOIR A LESSIVE D'UNE MACHINE A LAVER A TAMBOUR

Publication

EP 1527224 B1 20111012 (DE)

Application

EP 03735691 A 20030627

Priority

  • DE 10234472 A 20020729
  • EP 0306861 W 20030627

Abstract (en)

[origin: US2005197264A1] A sensor for determining the level of the liquid in the lye container for removing foam in the lye container of a drum washing machine with a lye discharge system arranged on the floor of the lye container with a lye pump during a program step, which is provided for dehydrating the lye container. Its sensor signal P is recorded during operation of the lye pump. According to the present invention the sequence p/t of the sensor signal contains a component Deltap/Deltat, whereof the presence indicates the presence of foam in the measuring region. Further, in the presence of the component a foam treatment measure suiting the type of component is introduced.

IPC 8 full level

D06F 39/06 (2006.01); D06F 39/08 (2006.01)

CPC (source: EP KR US)

D06F 33/34 (2020.02 - KR); D06F 34/08 (2020.02 - KR); D06F 34/24 (2020.02 - KR); D06F 35/005 (2013.01 - KR); D06F 39/06 (2013.01 - EP KR US); D06F 39/087 (2013.01 - KR); D06F 39/087 (2013.01 - EP US); D06F 2103/18 (2020.02 - KR); D06F 2103/20 (2020.02 - KR); D06F 2105/04 (2020.02 - KR); D06F 2105/48 (2020.02 - KR)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2005197264 A1 20050908; US 7340792 B2 20080311; AT E528432 T1 20111015; CN 101899770 A 20101201; CN 101899770 B 20120425; CN 1671910 A 20050921; CN 1671910 B 20110608; DE 10234472 A1 20040212; EP 1527224 A1 20050504; EP 1527224 B1 20111012; KR 100872232 B1 20081205; KR 20050029307 A 20050325; PL 373324 A1 20050822; WO 2004015189 A1 20040219

DOCDB simple family (application)

US 4552905 A 20050128; AT 03735691 T 20030627; CN 03818386 A 20030627; CN 201010184215 A 20030627; DE 10234472 A 20020729; EP 0306861 W 20030627; EP 03735691 A 20030627; KR 20057001066 A 20050120; PL 37332403 A 20030627