发明授权
- 专利标题: Hydraulic control device for automatic transmission
- 专利标题(中): 液压控制装置自动变速器
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申请号: US12546726申请日: 2009-08-25
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公开(公告)号: US08224541B2公开(公告)日: 2012-07-17
- 发明人: Yuhei Yoshioka , Kazuyuki Noda , Naoki Itazu , Yoshinobu Nozaki
- 申请人: Yuhei Yoshioka , Kazuyuki Noda , Naoki Itazu , Yoshinobu Nozaki
- 申请人地址: JP Aichi-Ken JP Aichi-Ken
- 专利权人: Aisin AW Co., Ltd.,Toyota Jidosha Kabushiki Kaisha
- 当前专利权人: Aisin AW Co., Ltd.,Toyota Jidosha Kabushiki Kaisha
- 当前专利权人地址: JP Aichi-Ken JP Aichi-Ken
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2008-255841 20080930
- 主分类号: G06F7/00
- IPC分类号: G06F7/00
摘要:
A hydraulic control device for an automatic transmission that includes a fail-safe function to establish a fail-safe traveling state where a predetermined shift speed is established, and a fail-safe stopping state where the primary pressure to all of the hydraulic servos is cut-off when a failure occurs. The hydraulic control device is able to switch between the fail-safe traveling state and the fail-safe stopping state even after a failure occurs, thereby enhancing a limp-mode function.
公开/授权文献
- US20100082209A1 HYDRAULIC CONTROL DEVICE FOR AUTOMATIC TRANSMISSION 公开/授权日:2010-04-01
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