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    • 8. 发明申请
    • Working Vehicle Travel Control Apparatus
    • 工作车辆行驶控制装置
    • US20130152574A1
    • 2013-06-20
    • US13818799
    • 2011-06-24
    • Yasuo YamazakiShouroku Kawahara
    • Yasuo YamazakiShouroku Kawahara
    • E02F9/22
    • E02F9/2079E02F3/283E02F9/202E02F9/22E02F9/2235E02F9/2253E02F9/2289E02F9/2296F16H47/02F16H61/4148F16H61/421F16H61/462F16H61/702
    • A working vehicle travel control apparatus, comprising: a variable displacement hydraulic pump; a variable displacement hydraulic motor connected in a closed circuit to the hydraulic pump and driven upon pressure oil from the hydraulic pump; a first control unit controls a motor displacement angle of the hydraulic motor by an electrical signal; a constant mesh transmission includes a clutch device that includes a High clutch section transmits power at a first transmission gear ratio and a Low clutch section that transmits power at a second transmission gear ratio, which is greater than the first transmission gear ratio, the constant mesh transmission transmits or interrupts power from the hydraulic motor; and a second control unit controls the first control unit so as to reduce the motor displacement angle to a predetermined value when the transmission is switched from the first transmission gear ratio to the second transmission gear ratio.
    • 一种工作车辆行驶控制装置,包括:可变排量液压泵; 连接在液压泵的闭路回路中的可变排量液压马达,并从液压泵的压力油驱动; 第一控制单元通过电信号控制液压马达的马达位移角; 恒定网状变速器包括离合器装置,其包括高速离合器部分以第一变速齿轮比传递动力;以及低速离合器部分,其以大于第一变速比的第二变速比传递动力;常数网 传动传动或中断液压马达的动力; 并且第二控制单元控制所述第一控制单元,以便当所述变速器从所述第一变速齿轮比切换到所述第二变速齿轮比时,将所述电动机位移角减小到预定值。