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Patent Searching and Data


Title:
CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2018/037567
Kind Code:
A1
Abstract:
A control system is provided with: a first hydraulic pump and a second hydraulic pump; a flow channel connecting the first hydraulic pump and the second hydraulic pump; an opening/closing device provided in the flow channel to open and close the flow channel; a control device for controlling the opening/closing device to switch between a split flow state in which the flow channel is closed and a connected state in which the flow channel is open; a first actuator to which working fluid discharged from the first hydraulic pump is supplied in the split flow state; and a second actuator to which working fluid discharged from the second hydraulic pump is supplied in the split flow state. The control device controls the opening/closing device so that in the connected state, even if either the first actuator or the second actuator is put in a driving state, the connected state is maintained.

Inventors:
KAMOSHITA, Yuta (Komatsu Ltd. 1200, Manda, Hiratsuka-sh, Kanagawa 67, 〒2548567, JP)
KAWAGUCHI, Tadashi (Komatsu Ltd. 1200, Manda, Hiratsuka-sh, Kanagawa 67, 〒2548567, JP)
AKIYAMA, Teruo (Komatsu Ltd. 1200, Manda, Hiratsuka-sh, Kanagawa 67, 〒2548567, JP)
OSHIMA, Kenji (Komatsu Ltd. 1200, Manda, Hiratsuka-sh, Kanagawa 67, 〒2548567, JP)
Application Number:
JP2016/075091
Publication Date:
March 01, 2018
Filing Date:
August 26, 2016
Export Citation:
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Assignee:
KOMATSU LTD. (2-3-6, Akasaka Minato-k, Tokyo 14, 〒1078414, JP)
International Classes:
F15B11/17; E02F9/22
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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