发明授权
- 专利标题： Front and rear wheel turning system for vehicle
- 专利标题（中）： 前轮和后轮车轮系统
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申请号： US735671申请日： 1991-07-26
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公开(公告)号： US5082080A公开(公告)日： 1992-01-21
- 发明人: Hirotaka Kanazawa , Hiroshi Ohmura
- 申请人： Hirotaka Kanazawa , Hiroshi Ohmura
- 申请人地址： JPX Hiroshima
- 专利权人： Mazda Motor Corporation
- 当前专利权人： Mazda Motor Corporation
- 当前专利权人地址： JPX Hiroshima
- 优先权： JPX1-49433 19890228
- 主分类号： B62D6/02
- IPC分类号： B62D6/02 ; B62D7/14 ; B62D7/15
摘要：
A four-wheel steering system includes a front wheel turning mechanism which turns the front wheels in response to the turning of the steering wheel, a rear wheel turning mechanism which turns the rear wheels in response to the turning of the steering wheel, and a power steering mechanism. The rear wheel turning mechanism changes the rear wheel turning angle ratio, which is the ratio of the rear wheel turning angle to the front wheel turning angle, on the basis of predetermined rear wheel turning angle ratio characteristic curves. The assisting force of the power steering mechanism is changed when the rear wheel turning mechanism fails.
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