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Patent Searching and Data


Title:
CONTROL SYSTEM FOR HYBRID CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/204040
Kind Code:
A1
Abstract:
This control system (100) for a hybrid construction machine is provided with: first and second main pumps (71, 72); a regenerative motor (88) which is rotatably driven by a returning working fluid; a motor generator (91) connected to the regenerative motor (88); an assist pump (89) connected to the regenerative motor (88) and the motor generator (91); and a controller (90), wherein, when an assist pump drive force (La) is greater than a drive force limit value (Lmax), the controller (90) controls the assist pump (89) or the motor generator (91) so that the assist pump drive force (La) is not greater than the drive force limit value (Lmax).

Inventors:
EGAWA, Masahiro (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2017/018396
Publication Date:
November 30, 2017
Filing Date:
May 16, 2017
Export Citation:
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Assignee:
KYB CORPORATION (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
E02F9/20; F15B21/14
Attorney, Agent or Firm:
GOTOH & PARTNERS (Shoyu-Kaikan, 3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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