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:
Jun. 09, 2015
Filed:
Jul. 02, 2012
Teiichi Hirono, Kyoto, JP;
Shinichiro Noda, Kyoto, JP;
Yoshiharu Ikegami, Kyoto, JP;
Tomohiro Hasegawa, Kyoto, JP;
Tomohiro Yoneda, Kyoto, JP;
Shunji Matsumoto, Kyoto, JP;
Seungsin Yoo, Kyoto, JP;
Kouta Kabune, Kyoto, JP;
Kiyoto Ida, Kyoto, JP;
Naoki Matsuba, Kyoto, JP;
Tatsuya Akase, Kyoto, JP;
Takehito Tamaoka, Kyoto, JP;
Kazuhiko Fukushima, Kyoto, JP;
Teiichi Hirono, Kyoto, JP;
Shinichiro Noda, Kyoto, JP;
Yoshiharu Ikegami, Kyoto, JP;
Tomohiro Hasegawa, Kyoto, JP;
Tomohiro Yoneda, Kyoto, JP;
Shunji Matsumoto, Kyoto, JP;
Seungsin Yoo, Kyoto, JP;
Kouta Kabune, Kyoto, JP;
Kiyoto Ida, Kyoto, JP;
Naoki Matsuba, Kyoto, JP;
Tatsuya Akase, Kyoto, JP;
Takehito Tamaoka, Kyoto, JP;
Kazuhiko Fukushima, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A fan includes a motor and an impeller. The motor includes a stationary portion and a rotating portion rotatably supported by the stationary portion. The stationary portion includes a stator and a bearing portion arranged inside of the stator. The rotating portion includes a rotor magnet arranged radially outside the stator; a shaft inserted in the bearing portion, and having an upper portion fixed to the impeller directly or through one or more members; and a thrust portion arranged axially opposite the bearing portion, and including an annular surface arranged around the shaft.