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:
Jul. 21, 2009
Filed:
Dec. 10, 2004
Seung Bong Choi, Changwon-si, KR;
Seung Bong Choi, Changwon-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A drum opening is configured to be correctly aligned with a tub opening without physical contact with a drum or motor by using a position detection sensor. The drum type washer includes a tub and brackets on the tub to support bearings. A motor includes a rotor, which includes a rotor frame made of a steel plate, a multitude of magnets attached to an inner circumference of the rotor frame, and a position decision magnet coupled to one side of the rotor frame. The stator includes a sensing unit. The sensing unit has a speed detection sensor to detect a plurality of magnets and a position detection sensor to detect the position decision magnet. A washing shaft is coupled to a front, center portion of the drum to be connected to the motor. An assist shaft is coupled to a rear, center portion of the drum.