发明申请
- 专利标题： Power steering device
- 专利标题（中）： 动力转向装置
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申请号： US11487356申请日： 2006-07-17
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公开(公告)号： US20070074926A1公开(公告)日： 2007-04-05
- 发明人: Toru Takahashi , Toshimitsu Sakaki , Tadaharu Yokota , Kazuya Yamano , Kyoko Honbo , Masanori Sakai
- 申请人： Toru Takahashi , Toshimitsu Sakaki , Tadaharu Yokota , Kazuya Yamano , Kyoko Honbo , Masanori Sakai
- 专利权人： HITACHI, LTD.
- 当前专利权人： HITACHI, LTD.
- 优先权： JP2005-290069 20051003
- 主分类号： B62D5/06
- IPC分类号： B62D5/06
摘要：
A power assist mechanism is provided that assists operation of a steering mechanism when receiving a pressurized hydraulic fluid. A hydraulic pump feeds the power assist mechanism with the pressurized hydraulic fluid when driven. An electric motor drives the hydraulic pump. A battery unit is provided for energizing the electric motor. A control unit is provided for controlling the electric power from the battery unit to the electric motor. The battery unit comprises a plurality of lead-acid batteries that are connected in series. Each lead-acid battery comprises a spirally wound positive plate, a spirally wound negative plate, a spirally wound insulating plate that is spirally wound and sandwiched between the positive and negative plates, a battery case that puts therein the spirally wound positive, negative and insulating plates and an electrolyte that is provided in the battery case.
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