The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2017
Filed:
Mar. 13, 2014
Doosan Infracore Co., Ltd., Incheon, KR;
Yong Lak Cho, Incheon, KR;
Dal Sik Jang, Seoul, KR;
Woo Yong Jung, Seoul, KR;
Min Ha An, Seoul, KR;
A Reum Seo, Incheon, KR;
Sang Woo Lee, Gimpo-si, KR;
Yoon Seok Jang, Seoul, KR;
DOOSAN INFRACORE CO., LTD., Incheon, KR;
Abstract
The present disclosure 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, in which each of the actuators includes a pump/motor, is operated under a control of a corresponding pump/motor, and stores working oil in an accumulator or receives the working oil supplemented from the accumulator in accordance with a difference between a flow rate entering the actuator and a flow rate discharged from the actuator.