公开(公告)号：US08123642B2

公开(公告)日：2012-02-28

申请号：US12629390

申请日：2009-12-02

申请人： Tomomi Ishikawa ,  Hiroyuki Kutsubo ,  Tetsuya Shimizu ,  Kenichi Tsuchida ,  Kazunori Ishikawa ,  Naoyuki Fukaya

发明人： Tomomi Ishikawa ,  Hiroyuki Kutsubo ,  Tetsuya Shimizu ,  Kenichi Tsuchida ,  Kazunori Ishikawa ,  Naoyuki Fukaya

IPC分类号： F16H31/00

CPC分类号： F16H61/0021 ,  F16H3/663

摘要： A hydraulic control device for an automatic transmission, including: a hydraulic pressure source; a plurality of friction engagement elements; a line pressure regulating valve that regulates hydraulic pressure from the hydraulic pressure source to a predetermined line pressure; a plurality of operation pressure regulating valves that regulate the line pressure as operation pressure for a hydraulic servo operating a friction engagement element; a maximum pressure conducting circuit that feeds a maximum pressure, among the operation pressures, to the line pressure regulating valve, wherein the friction engagement elements are engaged and released to achieve a plurality of forward speeds and a reverse speed, and the line pressure regulating valve regulates the line pressure during forward travel based on the maximum operation pressure, and regulates the line pressure during reverse travel based on the operation pressure input from a specific operation pressure regulating valve.

摘要翻译： 一种用于自动变速器的液压控制装置，包括：液压源; 多个摩擦接合元件; 线压力调节阀，其将从液压源的液压调节到预定的管路压力; 多个操作压力调节阀，其将作为操作摩擦接合元件的液压伺服系统的管路压力调节为操作压力; 最大压力传导电路，其将操作压力中的最大压力馈送到管路压力调节阀，其中所述摩擦接合元件被接合和释放以实现多个前进速度和反向速度，并且所述管路压力调节阀 基于最大操作压力来调节正向行驶期间的管路压力，并且基于从特定操作压力调节阀输入的操作压力来调节反向行驶期间的管路压力。

公开(公告)号：US20100162695A1

公开(公告)日：2010-07-01

申请号：US12629390

申请日：2009-12-02

申请人： Tomomi ISHIKAWA ,  Hiroyuki Kutsubo ,  Tetsuya Shimizu ,  Kenichi Tsuchida ,  Kazunori Ishikawa ,  Naoyuki Fukaya

发明人： Tomomi ISHIKAWA ,  Hiroyuki Kutsubo ,  Tetsuya Shimizu ,  Kenichi Tsuchida ,  Kazunori Ishikawa ,  Naoyuki Fukaya

IPC分类号： F16D25/10

CPC分类号： F16H61/0021 ,  F16H3/663

摘要： A hydraulic control device for an automatic transmission, including: a hydraulic pressure source; a plurality of friction engagement elements; a line pressure regulating valve that regulates hydraulic pressure from the hydraulic pressure source to a predetermined line pressure; a plurality of operation pressure regulating valves that regulate the line pressure as operation pressure for a hydraulic servo operating a friction engagement element; a maximum pressure conducting circuit that feeds a maximum pressure, among the operation pressures, to the line pressure regulating valve, wherein the friction engagement elements are engaged and released to achieve a plurality of forward speeds and a reverse speed, and the line pressure regulating valve regulates the line pressure during forward travel based on the maximum operation pressure, and regulates the line pressure during reverse travel based on the operation pressure input from a specific operation pressure regulating valve.

摘要翻译： 一种用于自动变速器的液压控制装置，包括：液压源; 多个摩擦接合元件; 线压力调节阀，其将从液压源的液压调节到预定的管路压力; 多个操作压力调节阀，其将作为操作摩擦接合元件的液压伺服系统的管路压力调节为操作压力; 最大压力传导电路，其将操作压力中的最大压力馈送到管路压力调节阀，其中所述摩擦接合元件被接合和释放以实现多个前进速度和反向速度，并且所述管路压力调节阀 基于最大操作压力来调节正向行驶期间的管路压力，并且基于从特定操作压力调节阀输入的操作压力来调节反向行驶期间的管路压力。