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 7405502 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 29, 2008

Filed:

Sep. 13, 2006
Applicants:

Cha Seung Jun, Seoul, KR;

Byoung Wook Min, Seoul, KR;

Inventors:

Cha Seung Jun, Seoul, KR;

Byoung Wook Min, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

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

Provided are a motor and a washing machine using the motor. The motor has a stator, a rotor, a rotor frame, a permanent magnet, and a comb polarizing ring. The rotor rotates against the stator. The permanent magnet is installed on the rotor frame and has protrusions with alternating North and South polarities. The comb polarizing ring includes a plurality of teeth disposed between the protrusions of the permanent magnet, and is formed of a material with a magnetism that is weaker than a magnetism of the protrusions.


Find Patent Forward Citations

Jun, Cha. (2008). Motor and washing machine including the same (U.S. Patent No. 7405502). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7405502

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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