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Patent Searching and Data


Title:
CONTROL SYSTEM FOR HYBRID WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/194934
Kind Code:
A1
Abstract:
A control system (100) for a hybrid work machine is provided with: first and second main pumps (26, 27) that supply hydraulic oil to a boom cylinder (30); a regenerative unit (45) comprising a regenerative motor (46) that is made to rotate by hydraulic oil discharged from a piston-side chamber (30a) of the boom cylinder (30), an electric motor (48) connected to the regenerative motor (46), and a battery (24) for storing power generated by the electric motor (48); an assist pump (47) connected to the regenerative motor (46); and actuator assist passages (71, 71a) for connecting the discharge side of the assist pump (47) and a rod-side chamber (30b) of the boom cylinder (30).

Inventors:
EGAWA MASAHIRO (JP)
KAWASAKI HARUHIKO (JP)
Application Number:
JP2016/066139
Publication Date:
December 08, 2016
Filing Date:
June 01, 2016
Export Citation:
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Assignee:
KYB CORP (JP)
International Classes:
F15B21/14; E02F9/20; E02F9/22; F15B11/024
Foreign References:
JP2011179541A2011-09-15
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
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