Title:
EXCAVATOR
Document Type and Number:
WIPO Patent Application WO/2022/202898
Kind Code:
A1
Abstract:
An excavator (100) comprising: a pressure sensor for detecting the pressure of a hydraulic fluid in a hydraulic actuator that operates in accordance with an operation command; a meter-in valve corresponding to the hydraulic actuator; a meter-out valve corresponding to the hydraulic actuator; and a controller (30) having a plurality of output characteristics that are respectively set for a plurality of hydraulic actuators. The controller (30) calculates a requested flow rate corresponding to the operation command on the basis of the output characteristic corresponding to the operation command among the plurality of output characteristics.
Inventors:
ITSUJI YOSHIYASU (JP)
Application Number:
PCT/JP2022/013512
Publication Date:
September 29, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
F15B11/00; E02F9/20; E02F9/22
Domestic Patent References:
| WO2009123134A1 | 2009-10-08 |
Foreign References:
| JP2017057925A | 2017-03-23 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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