| 发明名称 |
CONSTRUCTION MACHINE |
| 摘要 |
A construction machine includes: a swing structure (50); a hydraulic pump (1); a hydraulic motor (3) for driving the swing structure (50) using hydraulic fluid from the hydraulic pump (1); an electric motor (14) for driving the swing structure (50) with or without the aid of the hydraulic motor (3); and a hydraulic actuator (16) driven by the hydraulic fluid from the hydraulic pump 1, the hydraulic actuator can be operated together with the swing structure (50). When the swing structure (50) is operated together with the hydraulic actuator (16), only the electric motor (14) is used to swing the swing structure (50). |
| 申请公布号 |
US2015219123(A1) |
申请公布日期 |
2015.08.06 |
| 申请号 |
US201314431482 |
申请日期 |
2013.10.15 |
| 申请人 |
HITACHI CONSTRUCTION MACHINERY CO., LTD. |
发明人 |
Nishikawa Shinji;Satake Hidetoshi;Imura Shinya;Izumi Shiho;Ishikawa Kouji |
| 分类号 |
F15B11/04;F15B13/06;F15B11/16;F15B13/14;E02F9/20;E02F9/22 |
主分类号 |
F15B11/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A construction machine comprising:
a swing structure (50); a hydraulic pump (1); a hydraulic motor (3) for driving the swing structure using hydraulic fluid from the hydraulic pump; an electric motor (14) for driving the swing structure with or without the aid of the hydraulic motor; and a hydraulic actuator (16) driven by the hydraulic fluid from the hydraulic pump, the hydraulic actuator being able to be operated together with the swing structure, wherein only the electric motor is used to swing the swing structure when the swing structure is operated together with the hydraulic actuator. |
| 地址 |
Tokyo JP |
