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公开(公告)号：US09163380B2
公开(公告)日：2015-10-20
申请号：US14124868
申请日：2012-11-20
Applicant: KOMATSU LTD.
Inventor： Takuya Homma , Kozo Okuda , Hiroto Shinomiya
CPC classification number: E02F9/0866 , B60K13/04 , B60Y2200/412 , E02F9/0833 , F01N3/021 , F01N3/035 , F01N3/2066 , F01N13/009 , F01N13/1805 , F01N13/1816 , F01N2590/08 , Y02A50/2325 , Y02T10/24
Abstract: A hydraulic excavator includes an engine, a rotating frame, a vehicle body frame, a diesel particulate filtering device, a selective catalytic reduction device and a connecting pipe. The rotating frame supports the engine. The vehicle body frame is provided in a standing manner on the rotating frame, and includes a plurality of column members. The a diesel particulate filtering device and the selective catalytic reduction device process exhaust from the engine, and are supported by the vehicle body frame. The connecting pipe has an extendable bellows part in at least a portion. The connecting pipe connects the engine and the diesel particulate filtering device. The bellows part is located further away from the engine as the bellows part inclines further downward.
Abstract translation: 液压挖掘机包括发动机，旋转框架，车体框架，柴油机微粒过滤装置，选择性催化还原装置和连接管。 旋转框架支撑发动机。 车体框架以立式的方式设置在旋转框架上，并且包括多个柱构件。 柴油机微粒过滤装置和选择性催化还原装置处理从发动机排出并由车体框架支撑。 连接管在至少一部分中具有可延伸的波纹管部分。 连接管连接发动机和柴油机颗粒过滤装置。 当波纹管部分进一步向下倾斜时，波纹管部分位于更远离发动机的位置。
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公开(公告)号：US12241225B2
公开(公告)日：2025-03-04
申请号：US17787625
申请日：2020-12-10
Applicant: KOMATSU LTD.
Inventor： Masatoshi Uchimaru , Yuusuke Kondou , Kozo Okuda
Abstract: An oil cooler is disposed on the vehicle body and includes a fan that creates an air flow and a housing that houses the fan. The housing has a first side surface which is disposed on the upstream side of the air flow, a second side surface which is disposed on the downstream side of the air flow, and a third side surface which is connected to the first side surface and the second side surface. The vehicle body is provided with a first passage which is disposed on the side of the first side surface, a second passage which is disposed on the side of the second side surface and on an outer edge of the vehicle body in a top view, and a third passage which is disposed on the side of the third side surface and is connected to the first passage and the second passage.
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公开(公告)号：US20150240454A1
公开(公告)日：2015-08-27
申请号：US14372108
申请日：2014-02-26
Applicant: KOMATSU LTD.
Inventor： Jin Yogita , Eiji Morinaga , Kozo Okuda , Kazuyoshi Morimoto
CPC classification number: E02F9/2066 , E02F3/32 , E02F9/0866 , E02F9/0883 , E02F9/2235 , F01N3/2066 , F01N11/00 , F01N2550/05 , F01N2590/08 , F02D41/021 , F02D41/0275 , F02D41/22 , F02D41/2422 , F02D2041/228 , F02D2200/604 , F02D2250/26 , Y02A50/2325 , Y02T10/40 , Y02T10/47
Abstract: A work vehicle having a plurality of working modes allowing working in accordance with a load state includes an engine, an exhaust gas purification apparatus, a reducing agent tank, a state determination portion, and an engine control unit. The exhaust gas purification apparatus purifies a nitrogen oxide in an exhaust gas. The reducing agent tank stores a reducing agent. The state determination portion determines a state of the reducing agent. The engine control unit controls output of the engine with the use of a restricted-operation engine output torque curve in which horsepower output from the engine is lower than horsepower output from the engine at the time when each of the plurality of working modes is selected, when a state of the reducing agent is equal to or lower than a reference value.
Abstract translation: 具有允许根据负载状态进行工作的多个工作模式的作业车辆包括发动机，排气净化装置，还原剂箱，状态判定部和发动机控制单元。 废气净化装置净化废气中的氮氧化物。 还原剂罐储存还原剂。 状态判定部判定还原剂的状态。 发动机控制单元通过使用限制运行的发动机输出转矩曲线来控制发动机的输出，在选择多个工作模式中的每一个时，来自发动机的马力输出低于从发动机输出的马力， 当还原剂的状态等于或低于参考值时。
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公开(公告)号：US20150086314A1
公开(公告)日：2015-03-26
申请号：US14236672
申请日：2013-09-25
Applicant: KOMATSU LTD.
Inventor： Kozo Okuda , Tsuyoshi Kobayashi
CPC classification number: E02F9/0866 , B60K13/04 , B60Y2200/412 , E02F3/30 , E02F9/0875 , E02F9/0883 , E02F9/0891 , F01N3/2066 , F01N2340/04 , F01N2610/02 , F01N2610/14 , Y02A50/2325 , Y02T10/24
Abstract: A working vehicle includes a vehicle, an engine, an exhaust treatment apparatus, a connecting pipe, a reducing agent injection apparatus, a reducing agent pump and a guiding pipe guiding reducing agent from the pump to the injection apparatus. The engine, exhaust treatment apparatus, connecting pipe, and reducing agent injection apparatus are arranged inside an engine room of the vehicle body. The engine has a crank shaft, and intake and exhaust manifolds arranged on first and second direction sides of the crank shaft, respectively. A first accommodating space is positioned on a first direction side of the engine room. A reducing agent pump is arranged inside the first accommodating space. A guiding pipe is arranged so as to pass inside the engine room on the first direction side with regard to the crank shaft.
Abstract translation: 工作车辆包括从泵到注射装置的车辆，发动机，排气处理装置，连接管，还原剂注入装置，还原剂泵和引导管引导还原剂。 发动机，排气处理装置，连接管和还原剂注入装置布置在车身的发动机室内。 发动机具有曲柄轴，排气歧管分别设置在曲轴的第一和第二方向侧。 第一容纳空间位于发动机室的第一方向侧。 还原剂泵布置在第一容纳空间的内部。 引导管布置成相对于曲轴在第一方向侧通过发动机室内。
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公开(公告)号：US09517552B2
公开(公告)日：2016-12-13
申请号：US14371430
申请日：2013-12-25
Applicant: KOMATSU LTD.
Inventor： Minato Tomuro , Shinya Furuhata , Shouhei Nagasaka , Kozo Okuda , Osamu Okamoto , Yukinori Maeda
CPC classification number: B25B27/0042 , B01D29/21 , B01D2201/24 , B01D2201/295 , B01D2201/347 , B25B27/023 , Y10T29/53687
Abstract: A filter remover removes a cylindrical filter element housed in a housing through an opening provided in the housing. The filter remover includes: an attachment portion provided with a screw to be screwed onto the opening; an insert portion that includes a base end integrated with the attachment portion and a tip end in a form of a free end, that is elastically deformable in a radial direction orthogonal to an axial direction of the filter element in conjunction with a movement in the axial direction caused when the attachment portion is screwed, and that is inserted through the opening into a center hole provided in the filter element as the attachment portion is screwed; and an engaging portion that is provided at the tip end and that is engaged with the filter element after the attachment portion is moved for a predetermined amount when the attachment portion is screwed.
Abstract translation: 过滤器去除器通过设置在壳体中的开口去除容纳在壳体中的圆柱形过滤器元件。 过滤器去除器包括：附接部分，其设置有螺钉以旋入到开口上; 插入部分，其包括与所述附接部分一体化的基部端部和自由端形式的末端，所述末端端部在与所述过滤元件的轴向方向正交的径向方向上可弹性变形， 当安装部分被拧紧时引起的方向，并且当螺纹连接部分被插入穿过该开口的中心孔时， 以及接合部，其在所述安装部被螺纹连接时，所述接合部设置在所述前端并且在所述安装部移动预定量之后与所述过滤元件接合。
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Patent Agency Ranking
公开(公告)号：US20150240447A1
公开(公告)日：2015-08-27
申请号：US14124868
申请日：2012-11-20
Applicant: KOMATSU LTD.
Inventor： Takuya Homma , Kozo Okuda , Hiroto Shinomiya
CPC classification number: E02F9/0866 , B60K13/04 , B60Y2200/412 , E02F9/0833 , F01N3/021 , F01N3/035 , F01N3/2066 , F01N13/009 , F01N13/1805 , F01N13/1816 , F01N2590/08 , Y02A50/2325 , Y02T10/24
Abstract: A hydraulic excavator includes an engine, a rotating frame, a vehicle body frame, a diesel particulate filtering device, a selective catalytic reduction device and a connecting pipe. The rotating frame supports the engine. The vehicle body frame is provided in a standing manner on the rotating frame, and includes a plurality of column members. The a diesel particulate filtering device and the selective catalytic reduction device process exhaust from the engine, and are supported by the vehicle body frame. The connecting pipe has an extendable bellows part in at least a portion. The connecting pipe connects the engine and the diesel particulate filtering device. The bellows part is located further away from the engine as the bellows part inclines further downward.
Abstract translation: 液压挖掘机包括发动机，旋转框架，车体框架，柴油机微粒过滤装置，选择性催化还原装置和连接管。 旋转框架支撑发动机。 车体框架以立式的方式设置在旋转框架上，并且包括多个柱构件。 柴油机颗粒过滤装置和选择性催化还原装置处理从发动机排出并由车体框架支撑。 连接管在至少一部分中具有可延伸的波纹管部分。 连接管连接发动机和柴油机颗粒过滤装置。 当波纹管部分进一步向下倾斜时，波纹管部分位于更远离发动机的位置。
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公开(公告)号：US09027688B2
公开(公告)日：2015-05-12
申请号：US14237188
申请日：2013-09-27
Applicant: Komatsu Ltd.
Inventor： Kozo Okuda , Hideyuki Ohi
CPC classification number: E02F9/0883 , B60K13/04 , B60Y2200/412 , F01N3/208 , F01N3/2896 , F01N2610/02 , F01N2610/1406 , G01F23/0046 , G01F23/02 , G01F23/64 , Y02A50/2325 , Y02T10/24
Abstract: A reducing agent tank includes a tank body storing reducing agent and a cylindrical gauge member visually indicating a storage amount of the reducing agent inside the tank body. The gauge member is in communication with an inside of the tank body. The tank body has a replenishment port to replenish the reducing agent. The gauge member is provided on a first wall surface of a plurality of wall surfaces defining the tank body. The gauge member is provided in a slanted manner relative to a bottom plate of the tank body. The replenishing port and the gauge member are disposed in a row along a direction that extends along the first wall surface as seen in a plan view.
Abstract translation: 还原剂罐包括容纳储存还原剂的罐体和目视指示储罐体内的还原剂的储存量的圆筒形表面构件。 仪表构件与罐体的内部连通。 罐身有一个补充口以补充还原剂。 仪表构件设置在限定罐体的多个壁表面的第一壁表面上。 仪表构件相对于罐体的底板倾斜地设置。 所述补充口和所述量规部件沿着俯视图所示沿着所述第一壁面延伸的方向配置成行。
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公开(公告)号：US20150082774A1
公开(公告)日：2015-03-26
申请号：US14235142
申请日：2013-09-25
Applicant: KOMATSU LTD.
Inventor： Kiichirou Kouno , Ken Itou , Jin Yogita , Kozo Okuda , Yasuyuki Onodera , Hideo Oguri , Shouhei Nagasaka , Minato Tomuro
CPC classification number: F01N3/208 , E02F3/7609 , E02F9/0866 , F01N3/2066 , F01N3/28 , F01N9/00 , F01N2590/08 , F01N2610/02 , F01N2610/105 , F01N2610/14 , F01N2610/148 , F01N2900/1811 , Y02A50/2325 , Y02T10/24
Abstract: A work vehicle includes a vehicle body, a guiding pipe, a first heating section, and a second heating section. The vehicle body has a partition wall that partitions a space in an inner section into a first region and a second region. The guiding pipe is configured to guide a reducing agent. The guiding pipe has a first pipe section and a second pipe section. The first pipe section is positioned inside the first region. The second pipe section is positioned in the second region. The first heating section heats the first pipe section. The second heating section heats the second pipe section and adjusts the temperature independently from the first heating section.
Abstract translation: 工作车辆包括车体，引导管，第一加热部和第二加热部。 车体具有将内部区域中的空间分隔成第一区域和第二区域的分隔壁。 引导管构造成引导还原剂。 引导管具有第一管段和第二管段。 第一管段位于第一区域内。 第二管段位于第二区域中。 第一加热部加热第一管段。 第二加热部分加热第二管段并独立于第一加热部分调节温度。
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9.发明授权Work vehicle having reducing agent tank, battery and partition plate positioned between tank and battery 有权工作车辆具有位于罐和电池之间的还原剂箱，电池和分隔板公开(公告)号：US08973692B1
公开(公告)日：2015-03-10
申请号：US14235173
申请日：2013-09-27
Applicant: Komatsu Ltd.
Inventor： Kozo Okuda , Naoto Nakamura , Kiichirou Kouno , Kenji Ohiwa
CPC classification number: E02F9/0883 , B60L11/12 , B60L11/1877 , B60L11/1879 , B60L2200/40 , B60L2270/12 , E02F9/0866 , F01N3/2066 , F01N13/18 , F01N2590/08 , F01N2610/1406 , Y02A50/2325 , Y02T10/7005 , Y02T10/705 , Y02T10/7077
Abstract: A work vehicle includes a reducing agent tank, a battery, a reducing agent tank mounting member, a battery cover and a first guide member. The battery and the tank are positioned in a row. The mounting member has a bottom plate, and a partition plate extending upward from the bottom plate between the tank and the battery. The tank is mounted on the bottom plate. The battery cover has an upper plate above the battery, and a side plate extending downward from a side of the upper plate between the tank and the battery. The first guide member extends from the side plate toward the tank and slopes downward. Preferably, a first end of a second guide member disposed below the first guide member is positioned closer to the battery than a distal end of the first guide member, with the second guide member sloping downward toward the tank.
Abstract translation: 工作车辆包括还原剂罐，电池，还原剂罐安装构件，电池盖和第一引导构件。 电池和水箱位于一排。 安装构件具有底板和从罐和电池之间的底板向上延伸的隔板。 油箱安装在底板上。 电池盖具有在电池上方的上板，以及从罐和电池之间的上板侧向下延伸的侧板。 第一引导构件从侧板向罐延伸并向下倾斜。 优选地，设置在第一引导构件下方的第二引导构件的第一端被定位成比第一引导构件的远端更靠近电池，其中第二引导构件向下倾斜朝向水箱。
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公开(公告)号：US20150174746A1
公开(公告)日：2015-06-25
申请号：US14371430
申请日：2013-12-25
Applicant: KOMATSU LTD.
Inventor： Minato Tomuro , Shinya Furuhata , Shouhei Nagasaka , Kozo Okuda , Osamu Okamoto , Yukinori Maeda
IPC: B25B27/00
CPC classification number: B25B27/0042 , B01D29/21 , B01D2201/24 , B01D2201/295 , B01D2201/347 , B25B27/023 , Y10T29/53687
Abstract: A filter remover removes a cylindrical filter element housed in a housing through an opening provided in the housing. The filter remover includes: an attachment portion provided with a screw to be screwed onto the opening; an insert portion that includes a base end integrated with the attachment portion and a tip end in a form of a free end, that is elastically deformable in a radial direction orthogonal to an axial direction of the filter element in conjunction with a movement in the axial direction caused when the attachment portion is screwed, and that is inserted through the opening into a center hole provided in the filter element as the attachment portion is screwed; and an engaging portion that is provided at the tip end and that is engaged with the filter element after the attachment portion is moved for a predetermined amount when the attachment portion is screwed.
Abstract translation: 过滤器去除器通过设置在壳体中的开口去除容纳在壳体中的圆柱形过滤器元件。 过滤器去除器包括：附接部分，其设置有螺钉以旋入到开口上; 插入部分，其包括与所述附接部分一体化的基部端部和自由端形式的末端，所述末端端部在与所述过滤元件的轴向方向正交的径向方向上可弹性变形， 当安装部分被拧紧时引起的方向，并且当螺纹连接部分被插入穿过该开口的中心孔时， 以及接合部，其在所述安装部被螺纹连接时，所述接合部设置在所述前端并且在所述安装部移动预定量之后与所述过滤元件接合。
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