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:
Feb. 26, 2019
Filed:
Apr. 14, 2014
Doosan Infracore Co., Ltd., Incheon, KR;
Dong Mok Kim, Yongin-si, KR;
Nag In Kim, Seoul, KR;
Yong Tak Hyun, Seoul, KR;
Duk Sang Kim, Yongin-si, KR;
Byung Il Kang, Seoul, KR;
Min Seok Ko, Yongin-si, KR;
Jung Ho Kim, Incheon, KR;
Kyung Min Park, Yongin-si, KR;
Lee Hyoung Cho, Suwon-si, KR;
DOOSAN INFRACORE CO., LTD., Incheon, KR;
Abstract
The present disclosure relates to a method, a device, and a system for controlling a hydraulic pump of a construction machine, the system comprising: an engine; an engine control unit configured to control the engine by using engine limit torque information and current engine torque information of the engine; a hydraulic pump operated by power supplied from the engine; at least one actuator driven by a hydraulic pressure discharged from the hydraulic pump; and a hydraulic pump control device configured to control a limited swash plate angle of the hydraulic pump by using a torque of the hydraulic pump and the engine limit torque information received from the engine control unit.