Invention Grant
- Patent Title: Wheel hub motor
- Patent Title (中): 轮毂电机
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Application No.: US13318651Application Date: 2011-05-20
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Publication No.: US08758178B2Publication Date: 2014-06-24
- Inventor: Daisuke Gunji , Yasuyuki Matsuda , Gen Kimura
- Applicant: Daisuke Gunji , Yasuyuki Matsuda , Gen Kimura
- Applicant Address: JP Tokyo
- Assignee: NSK Ltd.
- Current Assignee: NSK Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2010-117657 20100521; JP2010-156991 20100709; JP2010-157024 20100709; JP2010-198107 20100903
- International Application: PCT/JP2011/061660 WO 20110520
- International Announcement: WO2011/145726 WO 20111124
- Main IPC: F16H3/72
- IPC: F16H3/72 ; F16H37/06 ; B60K1/00

Abstract:
An electric vehicle driving device 10 includes a first motor 11, a second motor 12, a first planetary gear mechanism 20, a second planetary gear mechanism 30, a clutch device 40, and a wheel bearing 50. The first planetary gear mechanism 20 is a planetary gear device of single pinion type. The second planetary gear mechanism 30 is a planetary gear device of double pinion type. The first motor 11 is connected to a first sun gear 21 and a second sun gear 31. The second motor 12 is connected to a first ring gear 24. The clutch device 40 is connected to a first carrier 23. A second carrier 33 is connected to the first ring gear 24. A second ring gear 34 is connected to the wheel bearing 50.
Public/Granted literature
- US20120190491A1 WHEEL HUB MOTOR Public/Granted day:2012-07-26
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