Global Patent Index - EP 2025797 A1

EP 2025797 A1 2009-02-18 - Washing machine

Title (en)

Washing machine

Title (de)

Waschmaschine

Title (fr)

Lave-linge

Publication

EP 2025797 A1 (EN)

Application

EP 07114573 A

Priority

EP 07114573 A

Abstract (en)

A method of balancing the drum (6) of a washing machine (1) wherein the drum (6) is mounted to rotate about its longitudinal axis (A) and houses a variable amount of laundry; the drum (6) having a number of balance tanks (12) spaced angularly on the lateral wall of the drum; and the method including the steps of filling all the balance tanks (12) on the drum (6) with water; rotating the drum (6), and the laundry inside it, at a reference rotation speed (É 0 ) high enough to freeze distribution of the laundry on the lateral wall of the drum (6); determining an optimum distribution of the water in the balance tanks (12) to balance the effects of uneven distribution of the laundry on the lateral wall of the drum (6); and selectively draining surplus water from the individual balance tanks (12) to achieve the optimum distribution of the water in the balance tanks (12) and so balance the drum (6) rotating about its longitudinal axis (A).

IPC 8 full level (invention and additional information)

D06F 37/22 (2006.01)

CPC (invention and additional information)

D06F 37/225 (2013.01); D06F 2202/10 (2013.01)

Citation (search report)

[X] BE 1012788 A6 20010306 - LENFANT THEO [BE], et al

Designated contracting state (EPC)

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

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

EP 2025797 A1 20090218; EP 2025797 B1 20121003; RU 2008133788 A 20100220; RU 2466224 C2 20121110

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2012-04-11 [RTI1] TITLE (CORRECTION)

- Free text: WASHING MACHINE

2011-07-06 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: ELECTROLUX HOME PRODUCTS CORPORATION N.V.

2011-03-16 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: ELECTROLUX HOME PRODUCTS CORPORATION N.V.

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