The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2002
Filed:
Aug. 12, 1999
Miele & Cie. GmbH. & Co., Guetersloh, DE;
Abstract
The invention relates to a laundry treatment apparatus like washing machines, laundry dryers or a washer-dryers with a rotatably mounted drum ( ) with an at least approximately horizontal axle and with a drive motor ( ) structured as a synchronous motor ( ) energized by permanent magnets arranged on the drum ( ) shaft, the stator ( ) of the motor ( ) being provided with a winding ( ) which is energized by a converter. In order to optimize the motor in such machines in respect of energy consumption, noise development and costs it is proposed to design the winding ( ) as a single pole winding, whereby the number of stator poles ( ) and of the magnet poles ( ) is different, and to utilize a frequency converter ( ) as the converter the output voltage of which being set such the continuous currents are generated in all winding strands.