Invention Grant
- Patent Title: Slip ring device and rotary electric machine using the same
- Patent Title (中): 滑环装置和旋转电机使用相同
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Application No.: US13320838Application Date: 2011-02-17
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Publication No.: US08525383B2Publication Date: 2013-09-03
- Inventor: Yoshihide Kikuichi , Kiyonori Koga , Sachio Tomita
- Applicant: Yoshihide Kikuichi , Kiyonori Koga , Sachio Tomita
- Applicant Address: JP Chiyoda-Ku, Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Chiyoda-Ku, Tokyo
- Agency: Buchanan Ingersoll & Rooney PC
- International Application: PCT/JP2011/053368 WO 20110217
- International Announcement: WO2012/111126 WO 20120823
- Main IPC: H01R39/08
- IPC: H01R39/08

Abstract:
A first slip ring and a second slip ring are put from both ends of a slip ring shaft, respectively, and are attached by shrink-fitting, the slip ring shaft being provided separately from a rotor shaft; the shaft diameter of a lead connecting portion is formed larger than the shaft diameters of respective slip ring attaching portions; and a coupling, which is attached by shrink-fitting to a shaft end portion on the rotor shaft side of the slip ring shaft after the first slip ring is attached by shrink-fitting, is provided.
Public/Granted literature
- US20120217840A1 SLIP RING DEVICE AND ROTARY ELECTRIC MACHINE USING THE SAME Public/Granted day:2012-08-30
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