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1. 发明申请

WO2011065515A1 ASSISTANCE-LIMIT RECOGNIZING DEVICE, ASSISTANCE-LIMIT RECOGNIZING METHOD, AND VEHICLE BRAKE SYSTEM INCLUDING THE ASSISTANCE-LIMIT RECOGNIZING DEVICE 审中-公开
标题翻译：辅助限制识别装置，辅助限制识别方法和包括辅助限制识别装置的车辆制动系统
公开(公告)号：WO2011065515A1
公开(公告)日：2011-06-03
申请号：PCT/JP2010/071203
申请日：2010-11-19
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , ADVICS CO., LTD. , TOMIDA, Koichi , KATO, Tomohiro
发明人： TOMIDA, Koichi , KATO, Tomohiro
IPC分类号： B60T13/16 , B60T13/20 , B60T13/68 , B60T13/72
CPC分类号： B60T13/57 , B60T8/442 , B60T13/20 , B60T13/72 , B60T17/02 , B60T17/221
摘要： An assistance-limit recognizing device for recognizing a limit of assistance made by a vacuum booster that is configured to assist an operating force applied to a brake operating member. A communication between a variable pressure chamber and a negative pressure chamber of the vacuum booster is established, when the operating force is not applied to the brake operating member. A communication between the variable pressure chamber and the atmosphere is established while the communication between the variable pressure chamber and the negative pressure chamber is cut off, when the operating force is applied to the brake operating member, whereby the operating force applied to the brake operating member is assisted based on a pressure difference between a pressure in the negative pressure chamber and a pressure in the variable pressure chamber. The assistance-limit recognizing device is configured, upon reduction of the variable-pressure chamber pressure in process of change of the variable-pressure chamber pressure toward the atmospheric pressure with application of the operating force to the brake operating member, to recognize the limit of the assistance made by the vacuum booster.
摘要翻译：一种辅助限制识别装置，用于识别由构造成辅助施加到制动操作构件的操作力的真空助力器所做的辅助限制。当操作力不施加到制动操作构件时，建立真空助力器的可变压力室和负压室之间的连通。当操作力施加到制动操作构件时，在可变压力室和负压室之间的连通被切断时，可变压力室和大气之间的连通被建立，由此施加到制动操作的操作力基于负压室中的压力与可变压力室中的压力之间的压力差来辅助构件。辅助限位识别装置被配置为在将可变压力室压力朝向大气压力变化的过程中的可变压力室压力减小到施加到制动操作构件上的操作力时，识别限制真空助力器的帮助。

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