Title:
CONTROL SYSTEM FOR HYBRID CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/194935
Kind Code:
A1
Abstract:
A control system (100) for a hybrid construction machine is provided with: first and second main pumps (26, 27) that supply hydraulic oil to a boom cylinder (30); a regenerative motor (46) that is made to rotate by hydraulic oil discharged from the boom cylinder (30); a controller (50) that performs regenerative control by the regenerative motor (46); an assist pump (47) that is connected to the regenerative motor (46); actuator assist passages (71, 71a) that connect the discharge side of the assist pump (47) and a rod-side chamber (30b) of the boom cylinder (30); and boom assist control valves (74, 78) provided to the actuator assist passages (71, 71a).
Inventors:
EGAWA MASAHIRO (JP)
KAWASAKI HARUHIKO (JP)
KAWASAKI HARUHIKO (JP)
Application Number:
PCT/JP2016/066140
Publication Date:
December 08, 2016
Filing Date:
June 01, 2016
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F15B21/14; E02F9/20
Foreign References:
| JP2011202458A | 2011-10-13 | |||
| JP2011017428A | 2011-01-27 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
Masaki Goto (JP)
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