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公开(公告)号：US10100492B2
公开(公告)日：2018-10-16
申请号：US15699082
申请日：2017-09-08
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura
摘要： A hydraulic excavator includes an upper revolving unit revolvably mounted on a lower traveling unit. A counterweight is disposed on a rear end part of the upper revolving unit. A structure is disposed in front of the counterweight on the upper revolving unit. An upper surface of the structure has a substantially flat area. A first antenna supporting part is configured to support a first antenna. A second antenna supporting part is configured to support a second antenna. Each of the first and second antenna supporting parts is disposed above the substantially flat area of the upper surface of the structure.
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公开(公告)号：US11408146B2
公开(公告)日：2022-08-09
申请号：US16482442
申请日：2018-04-24
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura
摘要： A work machine includes: a boom; a dipper stick attached to a distal end of the boom; a bucket attached to a distal end of the dipper stick; and a loading determination unit configured to determine that an operation of the work machine is a loading operation for loading an excavated matter into a loading target under a condition that the bucket moves across a reference level.
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公开(公告)号：US11346084B2
公开(公告)日：2022-05-31
申请号：US16619575
申请日：2018-10-01
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura
摘要： A controller obtains a load value within a bucket when a work implement has a basic attitude, as a reference value, and a load value, within the bucket when the work implement has an attitude different from the basic attitude, as a comparison value. The controller generates correction data according to an attitude of the work implement beforehand, based on the reference value and the comparison value. The controller senses a current attitude of the work implement, and calculates a correction amount of a load value within the bucket when the work implement has the current attitude, based on the correction data. The controller corrects a load value within the bucket when the work implement has the current attitude using the correction amount, and obtains a corrected load value.
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公开(公告)号：US08955631B2
公开(公告)日：2015-02-17
申请号：US13997376
申请日：2012-11-13
申请人： Komatsu Ltd.
发明人： Minetaka Nishimura
CPC分类号： E02F9/0858 , E02F9/0833
摘要： A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.
摘要翻译： 液压挖掘机基本上包括下行进单元，上旋转单元，配重，机舱，第一扶手，第二扶手和一对天线支撑部件。 上旋转单元可旋转地安装在下行进单元上。 配重设置在上回转单元上。 机器隔间设置在上部旋转单元上的配重的前方。 第一扶手和第二扶手设置在机舱上。 天线支撑部件配置成支撑一对天线。 天线支撑部分分别连接到第一和第二扶手。
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公开(公告)号：US08820457B2
公开(公告)日：2014-09-02
申请号：US13990897
申请日：2012-11-13
申请人： Komatsu Ltd.
发明人： Minetaka Nishimura
CPC分类号： E02F9/0858 , E02F9/0833
摘要： A hydraulic excavator basically includes a counterweight, an engine compartment, an equipment compartment, a cab, a plurality of steps, a passage and a pair of antenna supporting parts for supporting a pair of GNSS antennas, respectively. The antenna supporting parts are positioned ¼ or more of the vehicle width away from the revolving center and are positioned closer to the revolving center than a left rear edge of the passage. The left rear edge of the passage is the position furthest away from the revolving center of the steps and the passage.
摘要翻译： 液压挖掘机基本上分别包括用于支撑一对GNSS天线的配重，发动机舱，设备舱，驾驶室，多个台阶，通道和一对天线支撑部件。 天线支撑部件被定位为离开旋转中心的车辆宽度的1/4或更多，并且比通道的左后边缘更靠近旋转中心定位。 通道的左后边缘是离台阶和通道的旋转中心最远的位置。
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公开(公告)号：US09783957B2
公开(公告)日：2017-10-10
申请号：US15194899
申请日：2016-06-28
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura
CPC分类号： E02F9/0866 , E02F3/32 , E02F9/0833 , E02F9/0858 , E02F9/163 , E02F9/18 , G01S19/42 , H01Q1/27
摘要： A hydraulic excavator includes a revolving unit revolvably mounted on a traveling unit. A counterweight is disposed on a rear end part of the revolving unit. An engine compartment is disposed in front of the counterweight on the revolving unit. An equipment compartment is disposed in front of the engine compartment on the revolving unit. A Global Navigation Satellite System (GNSS) antenna supporting part is fixed on the equipment compartment.
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公开(公告)号：US09425499B2
公开(公告)日：2016-08-23
申请号：US14645593
申请日：2015-03-12
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura
CPC分类号： E02F9/0866 , E02F3/32 , E02F9/0833 , E02F9/0858 , E02F9/163 , E02F9/18 , G01S19/42 , H01Q1/27
摘要： A GNSS antenna device includes an antenna supporting part supported by a handrail disposed on an upper surface of a body of a work vehicle. A GNSS antenna is disposed on a top portion of the antenna supporting part.
摘要翻译： GNSS天线装置包括由设置在作业车辆的主体的上表面上的扶手支撑的天线支撑部。 GNSS天线设置在天线支撑部分的顶部。
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公开(公告)号：US08863880B2
公开(公告)日：2014-10-21
申请号：US13991813
申请日：2012-11-13
申请人： Komatsu Ltd.
发明人： Minetaka Nishimura
摘要： A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.
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公开(公告)号：US10745889B2
公开(公告)日：2020-08-18
申请号：US15540596
申请日：2016-11-09
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura , Yuki Shimano , Takuya Sonoda
IPC分类号： G01G19/14 , E02F9/26 , E02F3/32 , G01P15/16 , G05B13/04 , E02F3/42 , G01G19/08 , E02F9/22 , E02F3/43 , G01P3/487
摘要： A hydraulic excavator has a boom, an arm, a bucket, and a boom cylinder which drives the boom. A load value within the bucket is computed based on a load of the boom cylinder, and the load value obtained by computing is corrected based on an acceleration of extension/retraction of the boom cylinder.
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公开(公告)号：US10407870B2
公开(公告)日：2019-09-10
申请号：US16126007
申请日：2018-09-10
申请人： KOMATSU LTD.
发明人： Minetaka Nishimura
摘要： A hydraulic excavator includes an upper revolving unit revolvably mounted on a lower traveling unit. A counterweight is disposed on a rear end part of the upper revolving unit. A first GNSS antenna supporting part is configured to support a first GNSS antenna. The first GNSS antenna supporting part is disposed in front of the counterweight on the upper revolving unit.
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