Title:
HYDRAULIC SHOVEL DRIVING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/117029
Kind Code:
A1
Abstract:
This hydraulic shovel driving system is provided with: a boom cylinder; a first boom control valve which is connected to the boom cylinder by a boom raising supply line and a boom lowering supply line, and which is connected to a first pump by a first boom distribution line; a second boom control valve which is connected to the boom raising supply line by a boom replenishment line, and which is connected to a second pump by a second boom distribution line; an arm cylinder; an arm control valve which is connected to the arm cylinder by an arm pulling supply line and an arm pushing supply line, and which is connected to the second pump by an arm distribution line; a regeneration line which connects the boom replenishment line and the arm distribution line; and a regeneration valve which is provided to the regeneration line, and which is capable of opening and closing.
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Inventors:
KONDO AKIHIRO
ITO MAKOTO
ITO MAKOTO
Application Number:
PCT/JP2017/045349
Publication Date:
June 28, 2018
Filing Date:
December 18, 2017
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F15B21/14; E02F9/22; F15B11/02
Domestic Patent References:
| WO2016051579A1 | 2016-04-07 |
Foreign References:
| JP2013053498A | 2013-03-21 |
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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