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Patent Searching and Data


Title:
HYDRAULIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/117375
Kind Code:
A1
Abstract:
A first required flow rate is calculated as a function of a first maximum allowable flow rate and a value of a first signal. A second required flow rate is calculated as a function of a value of the second signal. When the first maximum allowable flow rate is higher than a first capacity, the value of the first signal is a maximum level, and the value of the second signal is equal to or higher than a minimum level and equal to or lower than a maximum level, a first working fluid supply is controlled to discharge working fluid at a flow rate equal to the first capacity, and a second working fluid supply is controlled to discharge working fluid at a flow rate obtained by deducting the first capacity from the first maximum allowable flow rate, added to the second required flow rate.

Inventors:
LEE, Jaehoon (102-1102, 8 Daeam-ro, Seongsan-gu,Changwon-si, Gyeongsangnam-do, 51484, KR)
LEE, Sanghee (1005-503, 125 Yulha 2-ro,Gimhae-si, Gyeongsangnam-do, 51018, KR)
KIM, Taehoon (158 Yangdeokcheon-gil, Masanhoewon-guChangwon-si, Gyeongsangnam-do, 51358, KR)
Application Number:
KR2017/014777
Publication Date:
June 20, 2019
Filing Date:
December 14, 2017
Export Citation:
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Assignee:
VOLVO CONSTRUCTION EQUIPMENT AB (S Eskilstuna, SE-631 85, SE)
LEE, Jaehoon (102-1102, 8 Daeam-ro, Seongsan-gu,Changwon-si, Gyeongsangnam-do, 51484, KR)
LEE, Sanghee (1005-503, 125 Yulha 2-ro,Gimhae-si, Gyeongsangnam-do, 51018, KR)
KIM, Taehoon (158 Yangdeokcheon-gil, Masanhoewon-guChangwon-si, Gyeongsangnam-do, 51358, KR)
International Classes:
E02F9/22; F15B13/02
Foreign References:
US20090229261A12009-09-17
US5303551A1994-04-19
US20090056324A12009-03-05
US20170009428A12017-01-12
US20060230753A12006-10-19
Attorney, Agent or Firm:
KIM, Seon-Min (Akros Patent & Trademark Attorneys, 8F. DongGu Bldg.,15, Teheran-ro 86-gil,,Gangnam-gu, Seoul, 06179, KR)
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