Title:
HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2014/142562
Kind Code:
A1
Abstract:
The present invention relates to a hydraulic system for a construction machine, and more particularly, to a hydraulic system for a construction machine including a plurality of actuators. Each of the actuators has a pump/motor, is operated under a control of the corresponding pump/motor, and stores working oil in an accumulator thereof or receives the working oil supplemented from the accumulator in accordance with the difference between the flow rate introduced to the actuator and the flow rate discharged from the actuator.
Inventors:
CHO YONG LAK (KR)
JANG DAL SIK (KR)
JUNG WOO YONG (KR)
AN MIN HA (KR)
SEO A REUM (KR)
LEE SANG WOO (KR)
JANG YOON SEOK (KR)
JANG DAL SIK (KR)
JUNG WOO YONG (KR)
AN MIN HA (KR)
SEO A REUM (KR)
LEE SANG WOO (KR)
JANG YOON SEOK (KR)
Application Number:
PCT/KR2014/002089
Publication Date:
September 18, 2014
Filing Date:
March 13, 2014
Export Citation:
Assignee:
DOOSAN INFRACORE CO LTD (KR)
International Classes:
F15B13/02; E02F9/22; F15B11/028
Foreign References:
| JP2002327714A | 2002-11-15 | |||
| KR19990082097A | 1999-11-15 | |||
| JP2008309297A | 2008-12-25 | |||
| KR101155785B1 | 2012-06-12 | |||
| KR101121705B1 | 2012-03-09 |
Other References:
See also references of EP 2975273A4
Attorney, Agent or Firm:
HANBEOT PATENT & LAW FIRM (KR)
특허법인 한벗 (KR)
특허법인 한벗 (KR)
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