Title:
HYBRID WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/149939
Kind Code:
A1
Abstract:
In order to achieve an increase in the life of an electricity storage device hydraulic actuator speed for a specific operation performed by a work machine is reduced. This hybrid work machine is equipped with a limit control unit. When the tendency of the electricity storage device toward deterioration becomes higher, and the specific operation serving as a predetermined one or more work operations among a plurality of work operations performed by the hybrid work machine is performed, the limit control unit reduces hydraulic actuator speed at a ratio predetermined for the specific operation relative to the tendency of the electricity storage device toward deterioration.
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Inventors:
HITA MASAFUMI (JP)
IMURA SHINYA (JP)
MORIKI HIDEKAZU (JP)
IMURA SHINYA (JP)
MORIKI HIDEKAZU (JP)
Application Number:
PCT/JP2017/000689
Publication Date:
September 08, 2017
Filing Date:
January 11, 2017
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
B60W20/13; B60L1/00; B60L3/00; B60L50/16; B60W10/08; B60W10/26; E02F9/20
Domestic Patent References:
| WO2013191205A1 | 2013-12-27 | |||
| WO2015114909A1 | 2015-08-06 |
Foreign References:
| JP2004011256A | 2004-01-15 | |||
| JP2014185963A | 2014-10-02 | |||
| JP2011047317A | 2011-03-10 |
Other References:
See also references of EP 3428025A4
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
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