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 8405271 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 26, 2013

Filed:

Oct. 30, 2009
Applicants:

Kyung-hoon Lee, Seoul, KR;

Jun-ho Ahn, Seoul, KR;

Inventors:

Kyung-Hoon Lee, Seoul, KR;

Jun-Ho Ahn, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 21/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

An interior permanent magnet type brushless direct current (BLDC) motor includes a stator having a plurality of slots and a stator coil wound on the slots. The interior permanent magnet type brushless direct current (BLDC) motor also includes a rotor that rotates with respect to the stator and that has a rotor core and a plurality of permanent magnets positioned in the rotor core. The rotor has a notch that is cut off between adjacent permanent magnets.


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