Title:
CONTROL SYSTEM FOR CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2014/017492
Kind Code:
A1
Abstract:
A control system for a construction machine, provided with: a boom cylinder; a boom switching valve; a fluid pressure motor, which is caused to rotate by the return fluid guided from the piston-side chamber and which drives a motor generator; a regeneration control valve for adjusting the first feed amount, which is the feed amount of the hydraulic fluid fed from the piston-side chamber to the boom switching valve, and the second feed amount, which is the feed amount of the hydraulic fluid fed from the piston-side chamber to the fluid pressure motor; and a controller for controlling the regeneration control valve so that the second feed amount is smaller than the first feed amount when the spool stroke amount reaches or exceeds the upper limit value.
Inventors:
EGAWA MASAHIRO (JP)
KAWASAKI HARUHIKO (JP)
YONEHARA YASUHIRO (JP)
KAWASAKI HARUHIKO (JP)
YONEHARA YASUHIRO (JP)
Application Number:
PCT/JP2013/069930
Publication Date:
January 30, 2014
Filing Date:
July 23, 2013
Export Citation:
Assignee:
KAYABA INDUSTRY CO LTD (JP)
International Classes:
F15B21/14; E02F9/22; E02F9/24
Foreign References:
| JP2011179541A | 2011-09-15 | |||
| JP2003329012A | 2003-11-19 | |||
| JP2012013160A | 2012-01-19 | |||
| JP2007263157A | 2007-10-11 | |||
| JP2000170705A | 2000-06-20 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
Masaki Goto (JP)
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