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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.:

US 9279209 B1

PDFFull Text
Date of Patent:
Mar. 08, 2016

Filed:

Oct. 24, 2012

Washing machine to produce three-dimensional motion

Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Chaseung Jun, Seoul, KR;

Byungkeol Choi, Seoul, KR;

Youngmin Kim, Seoul, KR;

Dongwon Kim, Seoul, KR;

Hyundong Kim, Seoul, KR;

Hwanjin Jung, Seoul, KR;

Byungwook Min, Seoul, KR;

Kyeonghwan Kim, Seoul, KR;

Jinwoong Kim, Seoul, KR;

Changwoo Son, Seoul, KR;

Hyunseok Seo, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Joseph L Perrin

Int. Cl.
CPC ...
D06F 23/02 (2006.01); D06F 37/04 (2006.01); D06F 37/30 (2006.01); H02K 1/26 (2006.01); B23P 11/00 (2006.01); B23P 11/02 (2006.01); H02K 1/27 (2006.01); H02K 21/12 (2006.01); H02K 1/16 (2006.01); H02K 1/28 (2006.01); H02K 3/52 (2006.01); H02K 7/00 (2006.01); H02K 7/14 (2006.01); H02K 11/00 (2006.01); H02K 16/02 (2006.01); D06F 37/00 (2006.01); D06F 37/06 (2006.01); D06F 37/26 (2006.01); D06F 31/00 (2006.01); H02K 21/16 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
D06F 37/304 (2013.01); B23P 11/00 (2013.01); B23P 11/02 (2013.01); D06F 31/00 (2013.01); D06F 37/00 (2013.01); D06F 37/04 (2013.01); D06F 37/06 (2013.01); D06F 37/269 (2013.01); D06F 37/30 (2013.01); H02K 1/16 (2013.01); H02K 1/26 (2013.01); H02K 1/265 (2013.01); H02K 1/2706 (2013.01); H02K 1/2773 (2013.01); H02K 1/28 (2013.01); H02K 3/522 (2013.01); H02K 7/003 (2013.01); H02K 7/14 (2013.01); H02K 11/0021 (2013.01); H02K 16/02 (2013.01); H02K 21/12 (2013.01); D06F 23/02 (2013.01); H02K 21/16 (2013.01); H02K 21/22 (2013.01); Y02B 40/52 (2013.01); Y10T 29/49826 (2015.01); Y10T 29/49945 (2015.01);
Abstract

A washing machine includes a driving motor having a stator, an outer rotor connected to the inner shaft and rotatable outside the stator, and an inner rotor connected to the outer shaft and rotatable inside the stator. Stator slots, which are fixedly-installed as a coil are wound on stator teeth. The outer rotor and the inner rotor include rotor teeth, a permanent magnet and a bushing, spaced from an inner circumference of the stator and rotates centering around a rotor shaft by magnetic force. The rotor teeth includes a teeth extension portion extending from a side end of an outer circumference of the rotor teeth in a circumferential direction, a cut recess cut in a concaved manner from the outer circumference of the rotor teeth toward the center of the rotor shaft, and an insertion recess cut in a concaved manner in a radial direction from an inner circumference of the rotor teeth.

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