Invention Grant
- Patent Title: Vibration type electromagnetic generator
- Patent Title (中): 振动式电磁发电机
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Application No.: US13521789Application Date: 2010-08-27
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Publication No.: US09257891B2Publication Date: 2016-02-09
- Inventor: Mitsugu Kawarai
- Applicant: Mitsugu Kawarai
- Applicant Address: JP
- Assignee: SUMIDA CORPORATION
- Current Assignee: SUMIDA CORPORATION
- Current Assignee Address: JP
- Agency: Cantor Colburn LLP
- Priority: JP2010-006299 20100114
- International Application: PCT/JP2010/064624 WO 20100827
- International Announcement: WO2011/086726 WO 20110721
- Main IPC: H02K35/02
- IPC: H02K35/02

Abstract:
A vibration type electromagnetic generator is formed by a nonmagnetic material and includes a hollow first pipe whose both end portions are closed, a magneto coil which is wound around the periphery of the first pipe and which is provided with solenoid coils, and a movable magnet which is arranged inside the first pipe and which is movable along a winding axis direction of a magneto coil. Then, the movable magnet includes a plurality of magnets and a magnet fixing unit composed of a nonmagnetic body for fixing the plurality of magnets whose same magnetic poles are facing one another, and among the plurality of solenoid coils, the coil length of one or more solenoid coils are made to be length equal to or greater than the magnet length of the magnet.
Public/Granted literature
- US20130221768A1 VIBRATION TYPE ELECTROMAGNETIC GENERATOR Public/Granted day:2013-08-29
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