Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/019434
Kind Code:
A1
Abstract:
An embodiment of the present invention relates to a construction machine. The construction machine, including a swing motor, a boom cylinder, and an arm cylinder, comprises: a main pump part including a first pump, which supplies hydraulic oil to the swing motor, and a second pump, which supplies the hydraulic oil to the boom cylinder and/or the arm cylinder; a manipulation part through which a boom priority operation or a rotation priority operation is selected so that either the first pump or the second pump is operated at the maximum value of a stored horsepower ratio; and a control part for controlling the performance of the other pump not selected by the manipulation part from among the first pump and the second pump.
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Inventors:
KIM TAEYOON (KR)
JUNG WOOYONG (KR)
KIM KIYONG (KR)
PARK HEEHWAN (KR)
JUNG WOOYONG (KR)
KIM KIYONG (KR)
PARK HEEHWAN (KR)
Application Number:
PCT/KR2023/010093
Publication Date:
January 25, 2024
Filing Date:
July 14, 2023
Export Citation:
Assignee:
HD HYUNDAI INFRACORE CO LTD (KR)
International Classes:
E02F9/12; E02F9/22; F15B11/04; F15B15/18
Foreign References:
| JPH07189914A | 1995-07-28 | |||
| JP2583148B2 | 1997-02-19 | |||
| KR20150086251A | 2015-07-27 | |||
| JP2016172999A | 2016-09-29 | |||
| KR20170008972A | 2017-01-25 |
Attorney, Agent or Firm:
WETHEPEOPLE IP & LAW FIRM (KR)
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