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:
Mar. 04, 2014
Filed:
Aug. 15, 2011
Seonk Kook Cho, Daejeon-si, KR;
Kyung Hun Jung, Daejeon-si, KR;
Kyung Seok Cho, Daejeon-si, KR;
Chan Ho Baek, Daejeon-si, KR;
Seonk Kook Cho, Daejeon-si, KR;
Kyung Hun Jung, Daejeon-si, KR;
Kyung Seok Cho, Daejeon-si, KR;
Chan Ho Baek, Daejeon-si, KR;
Abstract
Disclosed is an electric motor-driven compressor having a structure capable of improving the performance of an electric motor of the electric motor-driven compressor for the vehicle. The electric motor-driven compressor has an angle which is formed by two straight lines passing through a center of the rotor and making contact with both end portions of one permanent magnet, and is in a range of about 48.7° to about 51°. The cogging torque and the torque ripples are minimized, the power of the electric motor is improved, and the electric motor is easily controlled.