Title:
EXCAVATOR AND METHOD FOR CONTROLLING EXCAVATOR
Document Type and Number:
WIPO Patent Application WO/2019/009198
Kind Code:
A1
Abstract:
An excavator according to an exemplary embodiment of the present invention is provided with: a lower traveling body (1); an upper revolving body (3) mounted on the lower traveling body (1); a main pump (14) mounted on the upper revolving body (3); a variable capacity type hydraulic motor (20) for travel, which is driven by means of operating oil discharged by the main pump (14) and which moves the lower traveling body (1); and a controller (30) which performs control capable of switching the motor capacity of the hydraulic motor (20) for travel in a plurality of stages. The controller (30) switches the motor capacity of the hydraulic motor (20) for travel to a low rotation setting when an operation has been performed to change the direction of travel of the lower traveling body (1).
Inventors:
MAEDA NORIO (JP)
MAKINO MASAKI (JP)
TANAKA TAKUMI (JP)
MAKINO MASAKI (JP)
TANAKA TAKUMI (JP)
Application Number:
PCT/JP2018/024810
Publication Date:
January 10, 2019
Filing Date:
June 29, 2018
Export Citation:
Assignee:
SUMITOMO SHI CONSTR MACH CO (JP)
International Classes:
B62D11/04; E02F9/22; F15B11/02
Foreign References:
| JP2008248981A | 2008-10-16 | |||
| JP2010178630A | 2010-08-19 | |||
| JP2005121074A | 2005-05-12 | |||
| JP2004340259A | 2004-12-02 | |||
| JP2017132031A | 2017-08-03 |
Other References:
See also references of EP 3650314A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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