| 发明名称 |
SHOVEL |
| 摘要 |
A shovel may has a first pump that discharges a first hydraulic oil, a second pump that discharges a second hydraulic oil, a pump/motor that discharges a third hydraulic oil, an arm cylinder that at least the first hydraulic oil can flow into, and a boom cylinder that at least the second hydraulic oil can flow into. When the arm cylinder and the boom cylinder operate simultaneously, the arm cylinder is actuated by the first hydraulic oil or the third hydraulic oil, and the boom cylinder is actuated by the second hydraulic oil. |
| 申请公布号 |
US2016376770(A1) |
申请公布日期 |
2016.12.29 |
| 申请号 |
US201615259233 |
申请日期 |
2016.09.08 |
| 申请人 |
SUMITOMO HEAVY INDUSTRIES, LTD. |
发明人 |
MATSUZAKI Eisuke;ISHIYAMA Hiroshi;TSUKANE Koichiro;ISHIDA Kazushi |
| 分类号 |
E02F9/22;F15B1/04;F15B11/17 |
主分类号 |
E02F9/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A shovel, comprising:
a first pump configured to discharge a first hydraulic oil; a second pump configured to discharge a second hydraulic oil; a hydraulic rotary drive part configured to discharge a third hydraulic oil; a first hydraulic actuator configured such that at least the first hydraulic oil can flow into the first hydraulic actuator; and a second hydraulic actuator configured such that at least the second hydraulic oil can flow into the second hydraulic actuator; wherein when the first hydraulic actuator and the second hydraulic actuator operate simultaneously, the first hydraulic actuator is actuated by the first hydraulic oil or the third hydraulic oil, and the second hydraulic actuator is actuated by the second hydraulic oil. |
| 地址 |
Tokyo JP |
