Invention Grant
- Patent Title: Motor drive assembly for a vehicle
- Patent Title (中): 汽车电机驱动组件
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Application No.: US14380087Application Date: 2013-02-22
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Publication No.: US09130412B2Publication Date: 2015-09-08
- Inventor: Shiro Tamura
- Applicant: Shiro Tamura
- Applicant Address: JP Osaka
- Assignee: NTN Corporation
- Current Assignee: NTN Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2012-038835 20120224
- International Application: PCT/JP2013/054527 WO 20130222
- International Announcement: WO2013/125682 WO 20130829
- Main IPC: B60K17/16
- IPC: B60K17/16 ; H02K7/00 ; H02K7/116 ; B60K1/00 ; F16H63/30 ; B60K17/356 ; H02K1/28 ; H02K7/08 ; H02K11/00 ; B60L15/20 ; H02K7/108 ; F16H3/089 ; H02K5/24
Abstract:
A motor drive assembly for a vehicle is provided and includes an electric motor. A rotor of the electric motor includes a spindle rotatably supported by a first bearing located on a first side of the spindle close to a speed reducer and a second bearing located on a second side of the spindle opposite from the first side of the spindle and remote from the speed reducer. The spindle includes a tubular, hollow, rotor core mounting portion having an inner diameter larger than the diameter of a cylindrical surface on which the first bearing is fitted.
Public/Granted literature
- US20150038277A1 MOTOR DRIVE ASSEMBLY FOR A VEHICLE Public/Granted day:2015-02-05
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