发明名称 INTAKE CONTROL DEVICE FOR A VEHICLE
摘要 An intake control system includes a control device that changes a length of an intake conduit between the length of connection and the length of disconnection that is shorter than the length of connection. The control device also includes a processor that determines whether or not the length of the intake conduit is to be changed. A condition for determining a change from the length of connection to the length of disconnection includes that an engine load is higher than a first threshold value. Also, a condition for determining a change from the length of disconnection to the length of connection includes that the engine load is lower than a second threshold value, which is lower than the first threshold value.
申请公布号 US2008092842(A1) 申请公布日期 2008.04.24
申请号 US20070856975 申请日期 2007.09.18
申请人 YAMAHA HATSUDOKI KABUSHIKI KAISHA 发明人 NOBORIO DAICHI;AKATSUKA HIDENORI
分类号 F02M35/104 主分类号 F02M35/104
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