公开(公告)号：US09200550B2

公开(公告)日：2015-12-01

申请号：US14114681

申请日：2013-04-04

Applicant: KOMATSU LTD.

Inventor： Tadashi Mori ,  Manabu Himoto ,  Osamu Nishimura ,  Kenji Sanada

IPC: F01N3/033 ,  B60K13/04 ,  F01N3/08 ,  F01N3/24 ,  F01N3/28 ,  E02F9/08 ,  F01N3/20 ,  F01N13/18 ,  F01N3/023 ,  F01N3/035

CPC classification number: F01N3/033 ,  B60K13/04 ,  E02F9/0866 ,  F01N3/023 ,  F01N3/035 ,  F01N3/08 ,  F01N3/2066 ,  F01N3/24 ,  F01N3/28 ,  F01N3/2882 ,  F01N13/1816 ,  F01N2340/00 ,  F01N2340/04 ,  F01N2590/08 ,  F01N2610/02 ,  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 diesel particulate filtering device and the selective catalytic reduction device are supported by a vehicle body frame. At least a portion of the connecting pipe includes an extendable bellows part. The connecting pipe connects the engine and the diesel particulate filtering device. The diesel particulate filtering device is located further away from the engine than the selective catalytic reduction device along a first direction on a horizontal plane. The first tubular body portion of the diesel particulate filtering device and the second tubular body portion of the selective catalytic reduction device are disposed apart from each other with a space therebetween in a plan view.

Abstract translation: 液压挖掘机包括发动机，旋转框架，车体框架，柴油机颗粒过滤装置，选择性催化还原装置和连接管。 柴油机微粒过滤装置和选择性催化还原装置由车身框架支撑。 连接管的至少一部分包括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。 所述柴油机微粒过滤装置沿着水平面上的第一方向比所述选择性催化还原装置更远离所述发动机。 柴油机颗粒过滤装置的第一管状体部分和选择性催化还原装置的第二管状体部分在平面图中彼此间隔开并且间隔开。

公开(公告)号：US20140250870A1

公开(公告)日：2014-09-11

申请号：US14343524

申请日：2012-11-19

Applicant: KOMATSU LTD.

Inventor： Manabu Himoto ,  Osamu Nishimura ,  Tadashi Mori

IPC: F01N3/20

CPC classification number: F01N3/2066 ,  B60K13/04 ,  B60Y2200/412 ,  E02F9/0833 ,  E02F9/0866 ,  F01N3/035 ,  F01N13/009 ,  F01N13/1805 ,  F01N2590/08 ,  Y02A50/2325 ,  Y02T10/24

Abstract: An exhaust treatment unit treats exhaust gas from an engine of a work vehicle. The exhaust treatment unit includes a diesel particulate filter device, a selective catalytic reduction device, a first support component and a second support component. The diesel particulate filter device treats the exhaust gas. The selective catalytic reduction device treats the exhaust gas. The first support component supports the diesel particulate filter device. The second support component supports the selective catalytic reduction device and the first support component. The first support component is detachable from the second support component.

Abstract translation: 排气处理单元处理来自作业车辆的发动机的废气。 排气处理单元包括柴油机微粒过滤装置，选择性催化还原装置，第一支撑部件和第二支撑部件。 柴油机微粒过滤装置处理废气。 选择性催化还原装置处理废气。 第一支撑部件支撑柴油机微粒过滤装置。 第二支撑部件支撑选择性催化还原装置和第一支撑部件。 第一支撑部件可从第二支撑部件拆卸。

公开(公告)号：US20140102823A1

公开(公告)日：2014-04-17

申请号：US14114793

申请日：2012-11-20

Applicant: KOMATSU LTD.

Inventor： Tadashi Mori ,  Manabu Himoto ,  Osamu Nishimura ,  Kenji Sanada

IPC: E02F9/08

CPC classification number: E02F9/0866 ,  F01N3/021 ,  F01N13/009 ,  F01N13/08 ,  F01N2590/08 ,  Y02A50/2325 ,  Y02T10/20

Abstract: A hydraulic excavator includes an engine, a revolving frame supporting the engine, a vehicle body frame, a diesel particulate filter device, and a first connecting pipe. The vehicle body frame is disposed on the revolving frame. The diesel particulate filter device and the selective catalytic reduction device are supported by the vehicle body frame. The first connecting pipe connects the engine and the diesel particulate filter device. The first connecting pipe includes a bellows part that is extendable in at least a portion thereof. The diesel particulate filter device is located further away from the engine than the selective catalytic reduction device. The first connecting pipe passes below the selective catalytic reduction device and is connected to the diesel particulate filter device. A connecting portion for the diesel particulate filter device and the first connecting pipe is located below the diesel particulate filter device.

Abstract translation: 液压挖掘机包括发动机，支撑发动机的回转框架，车体框架，柴油机微粒过滤装置和第一连接管。 车体框架设置在旋转框架上。 柴油机微粒过滤装置和选择性催化还原装置由车身框架支撑。 第一连接管连接发动机和柴油机微粒过滤装置。 第一连接管包括在其至少一部分中可延伸的波纹管部分。 与选择性催化还原装置相比，柴油微粒过滤装置位于比发动机更远的地方。 第一连接管通过选择性催化还原装置下方并连接到柴油机微粒过滤装置。 用于柴油机微粒过滤装置和第一连接管的连接部分位于柴油机微粒过滤装置的下方。