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CONSTRUCTION VEHICLE

  • US 20110308878A1
  • Filed: 03/12/2010
  • Published: 12/22/2011
  • Est. Priority Date: 04/09/2009
  • Status: Active Grant
First Claim
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1. A construction vehicle comprising:

  • an engine;

    a hydraulic pump for travelling configured to be driven by the engine;

    an accelerator pedal configured to adjust an acceleration opening degree in accordance with a pressed amount thereof;

    a hydraulic motor for travelling configured to be driven by a pressurized oil discharged from the hydraulic pump for travelling;

    a travelling load detecting section configured to detect a magnitude of a travelling load applied in travelling;

    a vehicle speed detecting section configured to detect a vehicle speed; and

    a control unit configured to set an upper limit of a command value of the acceleration opening degree in accordance with the magnitude of the travelling load and a magnitude of the vehicle speed, the control unit being further configured to set a lower limit of a displacement of the hydraulic motor for travelling in order to maximize the vehicle speed at the acceleration opening degree limited to a predetermined amount.

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