发明名称 Construction machine
摘要 A construction machine that can limit consumption of battery electric power is provided. The construction machine includes: air-cooled heat exchangers 47, 48; a cooling fan 49 for generating cooling air for the heat exchangers 47, 48; a fan electric drive motor 50 that is driven by electric power of a battery 8 for rotating the cooling fan 49; an inverter unit 30 for drivingly controlling the fan electric drive motor 50; a lock lever 25 disposed at a boarding-alighting port and configured to be operated into an unlocked position and a locked position; and a lock valve 42 for making an operation of an operating device 27 or the like ineffective or the operating device inoperative when the lock lever 25 is operated into the locked position. The inverter unit 30 stops the fan electric drive motor 50 when the lock lever 25 is operated into the locked position.
申请公布号 US8672072(B2) 申请公布日期 2014.03.18
申请号 US201113503942 申请日期 2011.05.20
申请人 TAKISHITA TATSUO;NASU KATSUYOSHI;KURIKUMA HAJIME;HITACHI CONSTRUCTION MACHINERY CO., LTD. 发明人 TAKISHITA TATSUO;NASU KATSUYOSHI;KURIKUMA HAJIME
分类号 B60K11/06 主分类号 B60K11/06
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