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EXCAVATOR AND METHOD OF CONTROLLING EXCAVATOR

  • US 20200131734A1
  • Filed: 12/26/2019
  • Published: 04/30/2020
  • Est. Priority Date: 07/05/2017
  • Status: Active Grant
First Claim
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1. An excavator comprising:

  • a lower travelling body;

    an upper turning body mounted on the lower travelling body;

    a hydraulic pump installed in the upper turning body;

    a travelling hydraulic motor that is a variable displacement type motor configured to move the lower travelling body by being driven by hydraulic oil discharged by the hydraulic pump; and

    a control device configured to control a motor capacity of the travelling hydraulic motor so as to be switchable between a plurality of levels, whereinthe control device switches the motor capacity to a low rotation setting upon detecting that an operation for changing a travelling direction of the lower travelling body is performed.

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