Title:
WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/163303
Kind Code:
A1
Abstract:
This work machine comprises a machine body (2), a first hydraulic actuator (C3, AC1) mounted on the machine body, a first control valve (V2, AV) that controls the first hydraulic actuator, a control device (U1) that controls the first control valve, and a second hydraulic actuator (AC, M1) different from the first hydraulic actuator. When the second hydraulic actuator and the first hydraulic actuator are operated in combination, the control device (U1) makes the amount of change (53, 62, 153), with respect to a change in the amount of operation of the first hydraulic actuator, in the flow rate of operating oil supplied from the first control valve to the first hydraulic actuator smaller than when the first hydraulic actuator is independently operated.
Inventors:
HORII HIROSHI (JP)
Application Number:
PCT/JP2021/049021
Publication Date:
August 04, 2022
Filing Date:
December 29, 2021
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
E02F9/22; F15B11/00; F15B11/08; F15B11/16
Foreign References:
| JP2015110981A | 2015-06-18 | |||
| JP2014142032A | 2014-08-07 | |||
| JP2014020395A | 2014-02-03 | |||
| JP2004324208A | 2004-11-18 | |||
| JP2012067459A | 2012-04-05 | |||
| US20080034748A1 | 2008-02-14 | |||
| JP2009079366A | 2009-04-16 |
Attorney, Agent or Firm:
YASUDA & OKAMOTO PATENT ATTORNEYS (JP)
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