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. 29, 2008
Filed:
Mar. 13, 2007
Akiyuki Yokoyama, Yokohama, JP;
Masahiro Kuroda, Yokohama, JP;
Tadahiro Nakayama, Yokohama, JP;
Shinichi Kominato, Tokyo, JP;
Tomokazu Harada, Otawara, JP;
Yoshinori Saito, Yaita, JP;
Akiyuki Yokoyama, Yokohama, JP;
Masahiro Kuroda, Yokohama, JP;
Tadahiro Nakayama, Yokohama, JP;
Shinichi Kominato, Tokyo, JP;
Tomokazu Harada, Otawara, JP;
Yoshinori Saito, Yaita, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A permanent magnet type motor comprising a rotor main body rotatably supported with respect to a stationary member, a rotor which is provided on an outer periphery face of the rotor main body and which is arranged such that S poles and N poles of a plurality of permanent magnets are provided alternately, a stator composed of a stator core arranged at the outer periphery side or inner periphery side of the rotor, the stator core having winding storage sections, and stator windings stored in the winding storage sections, a sensor fixed to the stationary member so as to be proximal to the permanent magnets, the sensor detecting a position of the permanent magnets, a detection target member having a detector for detecting a magnetic resistance change portion formed on the rotor main body, and a rotational position detecting magnetic sensor arranged at the stationary member.