发明名称 |
CONSTRUCTION MACHINE |
摘要 |
During an operation, a control device (38) for performing output control of an engine (10) determines whether or not the engine (10) and/or an exhaust gas purifying device (18) has a malfunction. If it is determined that the engine (10) and/or the exhaust gas purifying device (18) has a malfunction, a highest rotational speed of the engine (10) is controlled to a second rotational speed (Nt) higher by a predetermined amount (±) than a first rotational speed (Ns) at which an engine maximum torque (Tm) before the malfunction can be outputted. In this case, a maximum fuel injection quantity of the engine (10) is limited so that a rated torque (Tr) before the malfunction can be outputted at the first rotational speed (Ns). |
申请公布号 |
EP2808453(A4) |
申请公布日期 |
2015.09.30 |
申请号 |
EP20120866678 |
申请日期 |
2012.12.24 |
申请人 |
HITACHI CONSTRUCTION MACHINERY CO., LTD. |
发明人 |
YOSHIDA HAJIME;NOGUCHI SHUUHEI |
分类号 |
E02F9/20;E02F3/32;E02F9/22;E02F9/26;F01N3/023;F01N3/24;F02D29/00;F02D29/02;F02D29/04;F02D41/22 |
主分类号 |
E02F9/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|