公开(公告)号：US20150299985A1

公开(公告)日：2015-10-22

申请号：US14650394

申请日：2013-07-24

Applicant: KOMATSU LTD.

Inventor： Kazuki TAKEHARA ,  Hiroaki TAKEHARA ,  Tomotaka IMAI

IPC: E02F9/20 ,  B60W20/00

CPC classification number: E02F9/2075 ,  B60K1/00 ,  B60K7/0015 ,  B60K2025/026 ,  B60L50/10 ,  B60L2200/40 ,  B60L2210/20 ,  B60W10/00 ,  B60W20/10 ,  B60Y2200/412 ,  Y02T10/70 ,  Y02T10/7077 ,  Y02T10/725 ,  Y10S903/904

Abstract: A hybrid work machine includes: an engine; a generator motor connected to an output shaft of the engine; a storage battery configured to store power generated by the generator motor and supply power to the generator motor; a motor configured to be driven by at least one of power generated by the generator motor and power stored in the storage battery; a transformer disposed between the storage battery and both the generator motor and the motor; and a control unit configured to stop the transformer at a time of satisfying a plurality of conditions including a condition that the engine is in an idling state and a condition that a motor driving command to drive the motor is not output.

Abstract translation: 混合式作业机器包括：发动机; 连接到发动机的输出轴的发电机马达; 配置为存储由发电电动机产生的电力并向发电电动机供电的蓄电池; 构造成由发电电动机产生的电力和存储在蓄电池中的电力中的至少一个驱动的电动机; 设置在所述蓄电池与所述发电电动机和所述电动机之间的变压器; 以及控制单元，被配置为在满足包括发动机处于怠速状态的条件的多个条件和不输出用于驱动电动机的电动机驱动指令的条件的时候停止变压器。

公开(公告)号：US20170058490A1

公开(公告)日：2017-03-02

申请号：US14909834

申请日：2015-09-01

Applicant: KOMATSU LTD.

Inventor： Mitsuhiko KAMADO ,  Shinya ARIMATSU ,  Tomotaka IMAI

IPC: E02F9/22 ,  E02F9/08

CPC classification number: E02F9/2235 ,  E02F3/32 ,  E02F9/0866 ,  E02F9/0883 ,  E02F9/2075 ,  E02F9/2296 ,  F01N3/2066 ,  F01N2430/00 ,  F01N2610/02 ,  F01N2610/142 ,  F01N2900/1814 ,  Y02A50/2325 ,  Y02T10/24

Abstract: A working vehicle is provided with a hydraulic pump is driven using an engine. A hydraulic actuator is driven using hydraulic fluid which is discharged from the hydraulic pump. A power generator motor driven using the engine. An electric actuator is driven using electrical power which is generated using the power generator motor. An exhaust processing apparatus cleans exhaust from the engine. A reducing agent tank retains reducing agent which is supplied to the exhaust processing apparatus. A retention amount detecting section detects the retention amount of the reducing agent inside the reducing agent tank. An engine control section performs output restriction control where the output of the engine is reduced when the retention amount is equal to or less than a first threshold. The electric actuator control section restricts the output of the electric actuator during executing of the output restriction control.

Abstract translation: 工作车辆设置有使用发动机驱动的液压泵。 使用从液压泵排出的液压流体驱动液压致动器。 使用发动机驱动的发电机马达。 使用发电电动机产生的电力驱动电动执行机构。 排气处理装置清洗发动机的排气。 还原剂罐保持供给到废气处理装置的还原剂。 保留量检测部检测还原剂罐内的还原剂的滞留量。 当保持量等于或小于第一阈值时，发动机控制部执行输出限制控制，其中发动机的输出减小。 电动执行器控制部在执行输出限制控制期间限制电致动器的输出。