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:
Apr. 27, 2010
Filed:
Jul. 14, 2005
Dong Won Kim, Gwangmyeong-si, KR;
Ki Chul Woo, Seoul, KR;
Dong Won Kim, Gwangmyeong-si, KR;
Ki Chul Woo, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A driving unit for a washing machine, and method for controlling the same. The driving unit includes a bearing housing fixedly secured to an outer tub. A motor is mounted on the bearing housing. A ring gear shaft is rotatably mounted to the bearing housing and is coupled to an inner tub. A carrier shaft is rotatably mounted in the ring gear shaft, with a driving shaft rotatably mounted in the carrier shaft. The driving shaft is coupled to the motor. A reduction gear is positioned between the ring gear shaft and the carrier shaft to reduce a speed of the ring gear shaft. A one directional holding device that holds the carrier shaft when the driving shaft rotates in a first direction, and holds two of the carrier shaft, the ring gear shaft, and the driving shaft when the driving shaft rotates in a second direction.