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    • 1. 发明申请
    • Construction Machine
    • 施工机械
    • US20100139255A1
    • 2010-06-10
    • US12598995
    • 2008-05-28
    • Shohei KamiyaKazunori NakamuraYasushi Arai
    • Shohei KamiyaKazunori NakamuraYasushi Arai
    • F01N9/00F01N3/10
    • E02F9/2246B01D2251/2067E02F9/00E02F9/0808E02F9/2203F01N3/2066F01N2610/02F01N2900/1814Y02T10/24
    • [PROBLEM] To provide a construction machine capable of performing necessary operation or operations without a difficulty even when a remaining amount of a reducing agent becomes small.[SOLUTION] In a hydraulic excavator having an engine, a hydraulic cylinder (18), plural actuators including a hydraulic motor (29), and an exhaust gas treatment system for subjecting, to purification treatment, nitrogen oxides in exhaust gas from the engine, the hydraulic excavator is provided with an actuator operation control means for performing, when the remaining amount of the reducing agent in a reducing agent storage tank (30) is detected by a remaining reducing-agent amount detector (33) to have become equal to or smaller than a predetermined remaining amount, limiting control to limit an operation of the hydraulic cylinder (18) such that a front working implement driven by the hydraulic cylinder (18) becomes difficult to exhibit its function, and at a same time, holding control for holding the hydraulic motor (20) operable such that a function of a travel base (1) or swing upperstructure (3) driven by the hydraulic motor (20) can be exhibited.
    • [问题]提供即使在还原剂的剩余量变小时也难以进行必要的操作或操作的施工机械。 [解决方案]在具有发动机的液压挖掘机中,液压缸(18),包括液压马达(29)的多个致动器和用于对来自发动机的废气中的氮氧化物进行净化处理的废气处理系统, 液压挖掘机设置有致动器操作控制装置,用于当剩余的还原剂量检测器(33)检测到还原剂储存箱(30)中的还原剂的剩余量达到等于或等于 小于预定的剩余量,限制液压缸(18)的操作的限制,使得由液压缸(18)驱动的前工作工具变得难以发挥其功能,并且同时保持控制 保持液压马达(20)可操作,使得能够显示由液压马达(20)驱动的行驶基座(1)或摆动上部结构(3)的功能。
    • 4. 发明授权
    • Construction machine
    • 施工机械
    • US08096382B2
    • 2012-01-17
    • US12598995
    • 2008-05-28
    • Shohei KamiyaKazunori NakamuraYasushi Arai
    • Shohei KamiyaKazunori NakamuraYasushi Arai
    • B60T7/309
    • E02F9/2246B01D2251/2067E02F9/00E02F9/0808E02F9/2203F01N3/2066F01N2610/02F01N2900/1814Y02T10/24
    • [PROBLEM] To provide a construction machine capable of performing necessary operation or operations without a difficulty even when a remaining amount of a reducing agent becomes small.[SOLUTION] In a hydraulic excavator having an engine, a hydraulic cylinder (18), plural actuators including a hydraulic motor (29), and an exhaust gas treatment system for subjecting, to purification treatment, nitrogen oxides in exhaust gas from the engine, the hydraulic excavator is provided with an actuator operation control means for performing, when the remaining amount of the reducing agent in a reducing agent storage tank (30) is detected by a remaining reducing-agent amount detector (33) to have become equal to or smaller than a predetermined remaining amount, limiting control to limit an operation of the hydraulic cylinder (18) such that a front working implement driven by the hydraulic cylinder (18) becomes difficult to exhibit its function, and at a same time, holding control for holding the hydraulic motor (20) operable such that a function of a travel base (1) or swing upperstructure (3) driven by the hydraulic motor (20) can be exhibited.
    • [问题]提供即使在还原剂的剩余量变小时也难以进行必要的操作或操作的施工机械。 [解决方案]在具有发动机的液压挖掘机中,液压缸(18),包括液压马达(29)的多个致动器和用于对来自发动机的废气中的氮氧化物进行净化处理的废气处理系统, 液压挖掘机设置有致动器操作控制装置,用于当剩余的还原剂量检测器(33)检测到还原剂储存箱(30)中的还原剂的剩余量达到等于或等于 小于预定的剩余量,限制液压缸(18)的操作的限制,使得由液压缸(18)驱动的前工作工具变得难以发挥其功能,并且同时保持控制 保持液压马达(20)可操作,使得能够显示由液压马达(20)驱动的行驶基座(1)或摆动上部结构(3)的功能。
    • 6. 发明申请
    • Construction Machine
    • 施工机械
    • US20100212297A1
    • 2010-08-26
    • US12600086
    • 2008-05-28
    • Shohei KamiyaKazunori NakamuraYasushi Arai
    • Shohei KamiyaKazunori NakamuraYasushi Arai
    • F01N3/20
    • B01D53/9409B01D2251/2067B01D2257/404B01D2258/01B60H1/00271E02F9/0858E02F9/0883F01N3/2066F01N2610/02F01N2610/10F01N2610/1406F01P2060/08F01P2060/18Y02A50/2325Y02T10/24
    • [Problem] To provide a construction machine capable of realizing with fewer components temperature control of a reducing agent in a reducing agent tank without arranging any heat exchanger in the reducing agent tank.[Solution] A construction machine is designed to have a construction provided with a front working implement operable as a result of driving of an engine (4), a urea SCR catalyst (20) arranged in an exhaust gas line (19) from the engine (4) to purify and reduce nitrogen oxides in exhaust gas, an aqueous urea solution tank (23) in which an aqueous urea solution to be fed to the exhaust gas line (19) is stored, a temperature detector (24) for detecting a temperature of the aqueous urea solution in the aqueous urea solution tank (23), an air conditioner (21) for air-conditioning an operator's cab (3), and a warm/cold air guiding means for guiding warm/cold air, which has been blown out of the air conditioner (21), to the aqueous urea solution tank (23) in accordance with the temperature of the aqueous urea solution as detected by the temperature detector (24). The warm/cold air guiding means includes a controller (31) for outputting a warm air signal or cold air signal, which corresponds to a temperature of the warm/cold air blown out of the air conditioner (21), as a control signal.
    • [问题]提供一种能够实现减少剂箱中的还原剂温度控制较少的构造机械,而不需要在还原剂罐中设置任何热交换器。 [解决方案]一种施工机械被设计成具有设置有由作为发动机(4)的驱动而可操作的前部工作装置的结构,布置在来自发动机的排气管线(19)中的尿素SCR催化剂(20) (4)净化和还原废气中的氮氧化物,其中存储有供给到排气管线(19)的尿素水溶液的尿素水溶液罐(23),用于检测废气管线(19)的温度检测器(24) 尿素水溶液箱(23)中的尿素水溶液的温度,用于空调驾驶室(3)的空气调节器(21)和用于引导暖/冷空气的暖/冷空气引导装置,其具有 根据由温度检测器(24)检测的尿素水溶液的温度,从空调(21)吹出尿素水溶液罐(23)。 暖/冷空气引导装置包括用于输出对应于从空调(21)吹出的暖/冷空气的温度的暖空气信号或冷空气信号作为控制信号的控制器(31)。
    • 8. 发明授权
    • Exhaust gas purification system for engineering machine
    • 工程机械废气净化系统
    • US08646255B2
    • 2014-02-11
    • US12578702
    • 2009-10-14
    • Hidenobu TsukadaKouji IshikawaYasushi AraiShohei Kamiya
    • Hidenobu TsukadaKouji IshikawaYasushi AraiShohei Kamiya
    • F01N3/00F01N3/02
    • E02F9/0866E02F9/00F01N9/002Y02T10/47
    • An exhaust gas purification system for an engineering machine is capable of avoiding decreases in working efficiency during regeneration control by burning off a deposit of particulate matter from a filter efficiently during a work pause time. An operating section 17 of a display monitor 16 is used to set a work pause time and a work pause switch 13 notifies a vehicle body control unit 21 that the hydraulic excavator has entered a work pause state. In response, the vehicle body control unit 21 calculates the time required for a regenerating device to burn off the current amount of particulate matter deposited on the filter, and when the calculated time is longer than the preset work pause time, a regeneration controller 4a of an engine control unit 4 is activated, and a solenoid control valve 15 is switched to a closed position during the preset work pause time.
    • 用于工程机械的废气净化系统能够通过在工作暂停时间期间有效地从过滤器中排除颗粒物质的沉积而避免再生控制期间的工作效率的降低。 显示监视器16的操作部17用于设定工作暂停时间,工作暂停开关13通知车体控制部21,液压挖掘机已进入作业暂停状态。 作为响应,车身控制单元21计算再生装置消除沉积在过滤器上的颗粒物质的当前量所需的时间,并且当计算出的时间比预设的工作暂停时间长时,再生控制器4a 发动机控制单元4被启动,并且在预设的工作暂停时间期间,电磁控制阀15切换到关闭位置。
    • 9. 发明申请
    • Vehicular Back Processing System
    • 车载后处理系统
    • US20110113766A1
    • 2011-05-19
    • US13003153
    • 2009-07-08
    • Shohei KamiyaKouji IshikawaYasushi AraiHidenobu TsukadaTsuyoshi Nakamura
    • Shohei KamiyaKouji IshikawaYasushi AraiHidenobu TsukadaTsuyoshi Nakamura
    • F01N3/023
    • F02D41/029B60R1/00B60R2300/8066F01N9/002F01N11/00F02D41/0245F02D2041/228Y02T10/47
    • An exhaust gas post-treatment system for a vehicle is provided, which in the course of regeneration ascertains whether or not there is any object approaching a body of the vehicle from behind. A filter is arranged in an exhaust passage of an engine to trap PM therein. A trapped and deposited PM amount sensing device senses a deposited amount of PM deposited in the filter. A fuel injector burns and removes PM deposited in the filter to conduct regeneration of the filter. A rearward monitoring camera monitors a scene rearward of a vehicle body. A display module displays monitoring information from the rearward monitoring camera, and a controller having a regeneration processing unit executes control processing to actuate the fuel injector and to perform regeneration. The controller includes a display continuation processing unit for executing control processing such that during the regeneration by the fuel injector, the monitoring information from the rearward monitoring camera is continuously displayed on a display screen of the display module.
    • 提供了一种用于车辆的废气后处理系统,其在再生过程中确定是否存在从后方接近车体的任何物体。 在发动机的排气通道中布置有过滤器以将PM捕集在其中。 捕获和沉积的PM量感测装置感测沉积在过滤器中的PM的沉积量。 燃料喷射器燃烧并去除沉积在过滤器中的PM,以进行过滤器的再生。 后方监视摄像机监视车身后方的场景。 显示模块显示来自后方监视摄像机的监视信息,并且具有再生处理单元的控制器执行控制处理以致动燃料喷射器并进行再生。 控制器包括显示继续处理单元,用于执行控制处理,使得在由燃料喷射器再生期间,来自后监视摄像机的监视信息被连续地显示在显示模块的显示屏幕上。