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    • 84. 发明申请
    • Device for Detecting Contamination Level of Operating Oil
    • 检测操作油污染等级的装置
    • US20110153275A1
    • 2011-06-23
    • US13001573
    • 2009-06-26
    • Hidetoshi Satake
    • Hidetoshi Satake
    • G06F15/00G01N21/59G01F1/00G01K13/02
    • E02F9/226E02F9/0883E02F9/2285E02F9/2296E02F9/26F15B21/041G01N21/534Y10T137/794Y10T137/86622
    • A contamination level determination system for hydraulic oil is provided with a pilot filter arranged in a line of a hydraulic circuit of a hydraulic working machine to remove, from the hydraulic oil, foreign matter of particle sizes that may cause an operation failure of the hydraulic working machine. A first light-blocking sensor senses passage of foreign matter on an upstream side of the pilot filter. A second light-blocking sensor senses passage of foreign matter on a downstream side of the pilot filter. An onboard controller unit functions to determine a frequency of sensing of foreign matter by the first light-blocking sensor, to determine a frequency of sensing of foreign matter by the second light-blocking sensor, and to determine a contamination level on the upstream side of the pilot filter on the basis of results of the determinations from both sensors.
    • 一种用于液压油的污染物水平测定系统设置有一个先导过滤器,其布置在液压工作机械的液压回路的管线中,以从液压油中除去可能引起液压工作的操作故障的颗粒尺寸的异物 机。 第一阻光传感器感测导向过滤器的上游侧的异物通过。 第二阻光传感器感测导向过滤器的下游侧的异物通过。 车载控制器单元用于确定由第一阻光传感器感测异物的频率,以确定第二遮光传感器感测异物的频率,并且确定第二遮光传感器的上游侧的污染水平 基于来自两个传感器的确定结果的导频滤波器。
    • 86. 发明申请
    • Engine Control System for Construction Machine
    • 施工机械发动机控制系统
    • US20100332088A1
    • 2010-12-30
    • US12667663
    • 2008-07-02
    • Yasuo OkanoHidetoshi SatakeAkihiro Narazaki
    • Yasuo OkanoHidetoshi SatakeAkihiro Narazaki
    • G06F19/00
    • B60W20/10B60K25/02B60L1/003B60L11/005B60L11/14B60L11/1861B60W10/06B60W10/08B60W10/26B60W10/30B60W20/00B60W2300/17B60W2510/244B60Y2200/41B60Y2400/435E02F9/2075E02F9/2091E02F9/2246Y02T10/6286Y02T10/70Y02T10/7005Y02T10/7022Y02T10/7044Y02T10/705Y02T10/7077Y02T10/92
    • To provide an engine control system for a construction machine, which can decrease a consumption of energy to be required for the reduction of an engine lag-down that occurs upon a sudden increase in load, such as upon quick manipulation of a control device, is provided with a load condition detecting unit, a charge amount detecting unit, a boost pressure sensor, and a determination processing unit. The load condition detecting unit includes a manipulation stroke detector for detecting that a control device has been fully manipulated, and also, a first computation unit of a controller. The charge amount detecting unit can detect an amount of charge in a capacitor. The determination processing unit includes a determination processing unit of the controller. The determination processing unit performs processing to feed electric power from the capacitor to an electric motor if, when it has been detected in concomitance with manipulation of the control device by the load condition detecting means that a torque to be absorbed by a pump would exceed an output torque of an engine, a boost pressure detected by the boost pressure sensor is determined to be lower than a predetermined pressure, and moreover, an amount of charge in the capacitor as detected by the charge amount detecting unit is determined to be an amount of charge that can drive the electric motor for a predetermined time.
    • 为了提供一种用于建筑机械的发动机控制系统,其可以减少在诸如快速操纵控制装置之后在负载突然增加时发生的发动机减速所需要的能量消耗。 设有负载条件检测单元,充电量检测单元,增压压力传感器和确定处理单元。 负载条件检测单元包括用于检测控制装置已被完全操纵的操作行程检测器,以及控制器的第一计算单元。 电荷量检测单元可以检测电容器中的电荷量。 确定处理单元包括控制器的确定处理单元。 判定处理单元进行从电容器向电动机供给电力的处理,如果在与负载状态检测单元对操作装置进行检测的情况下,由泵吸收的转矩将超过 发动机的输出转矩,由升压压力传感器检测到的升压压力被确定为低于预定压力,此外,由电荷量检测单元检测的电容器中的电荷量被确定为 可以将电动机驱动预定时间的充电。
    • 87. 发明授权
    • Construction machine
    • 施工机械
    • US07607245B2
    • 2009-10-27
    • US10528575
    • 2002-09-26
    • Hidetoshi SatakeYukihiro Tatsuno
    • Hidetoshi SatakeYukihiro Tatsuno
    • G05D1/02
    • E02F9/2253E02F9/2235E02F9/2242E02F9/2292E02F9/2296
    • A construction machine according to the present invention includes a variable displacement hydraulic pump (11, 12) driven by a prime mover (10), a single traveling actuator (5) driven with pressure oil discharged from the hydraulic pump (11), a plurality of work actuators (2a, 4d to 4f) driven with the pressure oil discharged from the hydraulic pump (11, 12), a plurality of control valves (13 to 17) that control flows of the pressure oil from the hydraulic pump (11) to each of the traveling actuator (5) and the plurality of work actuators (2a, 4d to 4f), a detection means (24) for detecting a drive command for the traveling actuator (5), and a flow rate control means (11a, 30, 40, 43) for increasing a maximum flow rate of the hydraulic pump (11) when the drive command for the traveling actuator (5) is detected with the detection means (24).
    • 根据本发明的施工机械包括由原动机(10)驱动的可变排量液压泵(11,12),由从液压泵(11)排出的压力油驱动的单个行进致动器(5),多个 由液压泵(11,12)排出的压力油驱动的工作执行机构(2a,4d〜4f),控制来自液压泵(11)的压力油流动的多个控制阀(13〜17) (5)和多个作业执行器(2a,4d〜4f)中的每一个,用于检测行驶致动器(5)的驱动指令的检测装置(24)和流量控制装置 ,30,40,43),用于当用所述检测装置(24)检测到所述行驶致动器(5)的驱动指令时,增加所述液压泵(11)的最大流量。
    • 90. 发明申请
    • Work Machine
    • 工作机器
    • US20070261277A1
    • 2007-11-15
    • US11661972
    • 2005-09-08
    • Kouji IshikawaTadatoshi ShimamuraHidetoshi SatakeNobuei Ariga
    • Kouji IshikawaTadatoshi ShimamuraHidetoshi SatakeNobuei Ariga
    • E02F9/22
    • F15B21/005E02F9/2246E02F9/2285F15B13/0422F15B2211/20523F15B2211/20546F15B2211/329F15B2211/355F15B2211/7053
    • A work machine is provided having a starter motor for starting a prime mover, which without provision of any special hydraulic equipment, allows for draining pressure oil that still remains in a hydraulic actuator for driving a front attachment. The work machine is provided with a boom cylinder for driving a front attachment, a flow rate control valve for controlling a flow of pressure oil to be supplied to the boom cylinder, and a pilot valve for producing an output of a pilot control signal, which serves to switch the flow rate control valve, by using, as a primary pressure, pressure oil delivered from a pilot hydraulic pump driven by an engine. A fuel stop switch is provided for performing stop control on a supply of fuel, which drives the engine, and a switch is provided for maintaining drivable a starter motor, which starts the engine, responsive to the stop control of the supply of fuel to the engine by the fuel stop switch.
    • 提供一种作业机器,其具有用于启动原动机的起动电动机,其不需要任何特殊的液压设备,能够排出仍然保留在用于驱动前部附件的液压致动器中的压力油。 作业机械设有用于驱动前附件的动臂缸,用于控制供给动臂缸的压力油的流量的流量控制阀,以及用于产生先导控制信号的输出的先导阀, 用于通过使用从发动机驱动的先导液压泵输送的压力油作为一次压力来切换流量控制阀。 提供燃料停止开关,用于对驱动发动机的燃料供应进行停止控制,并且提供开关,用于维持起动发动机的可启动起动电动机的开关,响应于停止控制对燃料供应的燃料 发动机由燃油停止开关。