Hydraulic pump control system for construction machinery

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United States of America Patent

PATENT NO 9194382
APP PUB NO 20130098021A1
SERIAL NO

13700969

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Importance

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Abstract

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A hydraulic pump control system provided in a construction machine such as an excavator is provided. According to the hydraulic pump control system, a loss of a flow rate is reduced by initially supplying hydraulic fluid as much as necessary from a hydraulic pump to a hydraulic motor in order to accelerate a swing movement of an upper frame against a lower traveling structure or to make an upper swing structure swing.

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Patent Owner(s)

  • VOLVO CONSTRUCTION EQUIPMENT AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Joung, Hea-Gyoon Busan, KR 16 84
Lee, Sang-Hee Changwon-si, KR 249 1948
Shin, Hung-Ju Changwon-si, KR 9 54

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