发明申请
- 专利标题： Hydraulic pressure control device of an automatic transmission and hybrid drive device having the hydraulic pressure control device
- 专利标题（中）： 具有液压控制装置的自动变速器和混合动力驱动装置的液压控制装置
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申请号： US12003454申请日： 2007-12-26
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公开(公告)号： US20080200301A1公开(公告)日： 2008-08-21
- 发明人: Tetsuya Shimizu , Kazuyuki Noda , Kazunori Ishikawa , Satoru Kasuya , Tooru Matsubara , Masahiro Kojima , Ryuji Ibaraki , Atsushi Tabata
- 申请人： Tetsuya Shimizu , Kazuyuki Noda , Kazunori Ishikawa , Satoru Kasuya , Tooru Matsubara , Masahiro Kojima , Ryuji Ibaraki , Atsushi Tabata
- 申请人地址： JP Anjo-shi JP Toyota-shi
- 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 Anjo-shi JP Toyota-shi
- 优先权： JP2006-350309 20061226
- 主分类号： B60W10/10
- IPC分类号： B60W10/10 ; F16H61/00
摘要：
A hydraulic control apparatus for an automatic transmission includes a forward travel engaging element, a reverse travel engaging element, a first signal electromagnetic valve, a first switching valve, and a second switching valve. The hydraulic control apparatus is structured so as to change the output state of the signal pressure of the first signal electromagnetic valve when changing from the reverse travel shift position and/or shift range to the non-travel shift position and/or shift range and when changing from the forward travel shift position and/or shift range to the non-travel shift position and/or shift range, and to enable quick draining of hydraulic pressure of the hydraulic servo of the reverse travel engaging element and hydraulic pressure of the hydraulic servo of the forward travel engaging element.
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