Invention Grant
- Patent Title: Fan bearing system having a fluid reservoir
- Patent Title (中): 风扇轴承系统具有流体储存器
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Application No.: US13539957Application Date: 2012-07-02
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Publication No.: US09051938B2Publication Date: 2015-06-09
- Inventor: Teiichi Hirono , Shinichiro Noda , Yoshiharu Ikegami , Tomohiro Hasegawa , Tomohiro Yoneda , Shunji Matsumoto , Seungsin Yoo , Kouta Kabune , Kiyoto Ida , Naoki Matsuba , Tatsuya Akase , Takehito Tamaoka , Kazuhiko Fukushima
- Applicant: Teiichi Hirono , Shinichiro Noda , Yoshiharu Ikegami , Tomohiro Hasegawa , Tomohiro Yoneda , Shunji Matsumoto , Seungsin Yoo , Kouta Kabune , Kiyoto Ida , Naoki Matsuba , Tatsuya Akase , Takehito Tamaoka , Kazuhiko Fukushima
- Applicant Address: JP Kyoto
- Assignee: NIDEC CORPORATION
- Current Assignee: NIDEC CORPORATION
- Current Assignee Address: JP Kyoto
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2011-146390 20110630; JP2012-091079 20120412
- Main IPC: F04B35/04
- IPC: F04B35/04 ; F04D25/06 ; F16C17/10 ; F04D29/057 ; F04D29/38 ; F04D29/063 ; F04D29/08 ; F04D29/051
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.
Public/Granted literature
- US20130004350A1 FAN Public/Granted day:2013-01-03
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