Global Patent Index - EP 0410827 B1

EP 0410827 B1 19950809 - Washing machine or dryer with means for automatically determining the weight of the laundry.

Title (en)

Washing machine or dryer with means for automatically determining the weight of the laundry.

Title (de)

Waschmaschine oder Trockner mit automatischer Bestimmung des Gewichts der Wäsche.

Title (fr)

Lave-linge ou sèche-linge dans lequel la charge de linge est déterminée de façon automatique.

Publication

EP 0410827 B1 19950809 (FR)

Application

EP 90401825 A 19900626

Priority

FR 8910212 A 19890728

Abstract (en)

[origin: EP0410827A1] Washing machine or drier, in which the laundry load in the drum is determined by measuring the moment of inertia of the laundry in relation to the axis of rotation of this drum. The drive motor (10) of the drum is of the universal type and is supplied with alternating current (11). The speed of this motor is set by a phase-controlled command by means of a microprocessor (13). The latter also determines the moment of inertia from the value of the phase angle and from the value of the supply voltage. To overcome the inaccuracy occurring as a result of variations in the supply voltage, the latter is measured, preferably by the sole utilisation of the data already available in the microprocessor. <IMAGE>

IPC 1-7

D06F 39/00

IPC 8 full level

G01G 17/00 (2006.01); D06F 33/02 (2006.01); D06F 39/00 (2006.01); D06F 58/28 (2006.01); H02P 29/00 (2006.01)

CPC (source: EP US)

D06F 34/18 (2020.02 - EP US); D06F 2103/04 (2020.02 - EP US); D06F 2103/24 (2020.02 - EP US); D06F 2103/46 (2020.02 - EP US); D06F 2103/70 (2020.02 - EP US); D06F 2105/48 (2020.02 - EP US)

Designated contracting state (EPC)

DE DK ES FR GB GR IT LU NL SE

DOCDB simple family (publication)

EP 0410827 A1 19910130; EP 0410827 B1 19950809; DE 69021458 D1 19950914; DE 69021458 T2 19960125; ES 2077657 T3 19951201; FI 903762 A0 19900727; FI 91890 B 19940513; FI 91890 C 19940825; FR 2650844 A1 19910215; FR 2650844 B1 19911011; JP H0370591 A 19910326; NO 171800 B 19930125; NO 171800 C 19930505; NO 903352 D0 19900727; NO 903352 L 19910129

DOCDB simple family (application)

EP 90401825 A 19900626; DE 69021458 T 19900626; ES 90401825 T 19900626; FI 903762 A 19900727; FR 8910212 A 19890728; JP 19897390 A 19900726; NO 903352 A 19900727