Invention Grant
- Patent Title: Friction type transmission device and pressing force control method for friction type transmission device
- Patent Title (中): 摩擦式传动装置和摩擦式传动装置的按压力控制方法
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Application No.: US12919152Application Date: 2009-02-19
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Publication No.: US08683885B2Publication Date: 2014-04-01
- Inventor: Takeshi Yamamoto
- Applicant: Takeshi Yamamoto
- Applicant Address: JP Yokohama-shi
- Assignee: Nissan Motor Co., Ltd.
- Current Assignee: Nissan Motor Co., Ltd.
- Current Assignee Address: JP Yokohama-shi
- Agency: Foley & Lardner LLP
- Priority: JP2008-043693 20080226
- International Application: PCT/JP2009/052891 WO 20090219
- International Announcement: WO2009/107543 WO 20090903
- Main IPC: F16H13/06
- IPC: F16H13/06
Abstract:
In a friction drive transmission apparatus arranged to transmit power by a frictional transmission force between two roller units pressed against each other, there is provided a pressing force imparting means to increase and decrease a pressing force imparted to a roller pair to vary the frictional transmission force between both roller units smoothly at the time of a shift.
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