基本信息:
- 专利标题： CONSTRUCTION MACHINE
- 申请号：US17907865 申请日：2021-03-12
- 公开(公告)号：US20230128144A1 公开(公告)日：2023-04-27
- 发明人： Jeong Kwon JANG , Min Ho GANG
- 申请人： DOOSAN INFRACORE CO., LTD.
- 申请人地址： KR Dong-gu Incheon
- 专利权人： DOOSAN INFRACORE CO., LTD.
- 当前专利权人： DOOSAN INFRACORE CO., LTD.
- 当前专利权人地址： KR Dong-gu Incheon
- 优先权： KR10-2020-0033942 20200319
- 国际申请： PCT/KR2021/003082 WO 20210312
- 主分类号： E02F9/22
- IPC分类号： E02F9/22
摘要：
Disclosed is a construction machine including: an engine generating power; a pump generating hydraulic pressure by receiving power generated from the engine; a main control valve receiving signal oil from the pump; a key switch capable of turning on and off power of an electronic unit; an engine control unit that maintains operation of the engine for a predetermined time and then stops operation of the engine when the key switch is switched from an on-state, during which power of the electronic unit may be turned on, to an off-state; and a pilot cut-off valve for opening and closing the signal oil according to the state of the key switch, and an accident caused by the engine control unit may be prevented by the construction machine.
公开/授权文献:
- US12098525B2 Construction machine 公开/授权日：2024-09-24
IPC结构图谱:
| E | 固定建筑物 |
| --E02 | 水利工程；基础；疏浚 |
| ----E02F | 挖掘；疏浚 |
| ------E02F9/00 | 不限于从3/00至7/00内所属的一种挖掘机或疏浚机的部件 |
| --------E02F9/20 | .驱动装置；控制装置 |
| ----------E02F9/22 | ..液压或气压驱动装置 |