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:
Aug. 10, 2004
Filed:
Feb. 22, 2001
Koichi Matsuoka, Tokyo, JP;
Minoru Kondo, Tokyo, JP;
Yasunari Terada, Yokohama, JP;
Takashi Nagayama, Yokohama, JP;
Katsuhiko Ibusuki, Musashino, JP;
Nobuyuki Yagi, Tokyo, JP;
Tsutomu Kinoshita, Hachioji, JP;
Other;
Abstract
The invention relates to a totally enclosed type driving electric motor in which a stator core having a coil is attached to an inner peripheral portion of a frame, a bearing bracket supporting a bearing is attached to one end of the frame, a housing supporting a bearing is attached to another end of the frame, and a shaft of a rotor is rotatably supported by the first bearing and the second bearing. The totally enclosed type driving electric motor of the invention is provided with a cooling space near at least one of the first bearing and the second bearing.