Invention Grant
- Patent Title: Electric power steering system
- Patent Title (中): 电动助力转向系统
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Application No.: US13380196Application Date: 2010-06-21
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Publication No.: US08684129B2Publication Date: 2014-04-01
- Inventor: Shinsuke Terada , Hideki Higashira , Yasuyuki Yoshii , Naoki Maeda , Shirou Nakano
- Applicant: Shinsuke Terada , Hideki Higashira , Yasuyuki Yoshii , Naoki Maeda , Shirou Nakano
- Applicant Address: JP Osaka-shi
- Assignee: JTEKT Corporation
- Current Assignee: JTEKT Corporation
- Current Assignee Address: JP Osaka-shi
- Agency: Oliff PLC
- Priority: JP2009-151153 20090625; JP2010-123070 20100528
- International Application: PCT/JP2010/060474 WO 20100621
- International Announcement: WO2010/150746 WO 20101229
- Main IPC: B62D5/04
- IPC: B62D5/04
Abstract:
A controller applies slight rotational torque to a drive gear of a reduction mechanism also in a predetermined range in which a motor does not produce any steering operation assist force. That is, the motor is caused to produce slight rotational torque not enough to drive a driven gear, and the rotational torque direction is reversed under a given condition. Accordingly, a backlash between the drive gear and the driven gear is eliminated.
Public/Granted literature
- US20120090913A1 ELECTRIC POWER STEERING SYSTEM Public/Granted day:2012-04-19
Information query
IPC分类:
