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    • 74. 发明授权
    • Torsional vibration dampers
    • 扭力减振器
    • US06371857B1
    • 2002-04-16
    • US09492006
    • 2000-01-27
    • Satoshi KonoDaisuke Shibata
    • Satoshi KonoDaisuke Shibata
    • F16D312
    • F16F15/13453
    • A torsional vibration damper assembly having stable torsional vibration damping characteristics is provided. The damper assembly comprises an input element, an output element, a damper hub operatively connected to the output element and having a plurality of circumferentially spaced, radial hub arms, a drive plate operatively connected to the input element and having a plurality of circumferentially spaced windows, a plurality of compression springs extending between circumferentially opposed edges of the windows and the hub arms, and a ring member rotatable relative to the input and output elements and surrounding the compression springs for restricting radially outward bending of the compression springs. Since the ring member is not urged against its surrounding constituent parts of the damper assembly when it is subjected to a centrifugal force of itself and a centrifugal force of the compression springs, the damper assembly can provide stable torsional vibration damping characteristics.
    • 提供了具有稳定的扭转振动阻尼特性的扭转振动阻尼器组件。 阻尼器组件包括输入元件,输出元件,可操作地连接到输出元件并具有多个周向间隔开的径向轮毂臂的阻尼器毂,可操作地连接到输入元件的驱动板,并且具有多个周向间隔开的窗 ,多个压缩弹簧,其在所述窗户的周向相对边缘和所述轮毂臂之间延伸;以及环构件,其相对于所述输入和输出元件可旋转并围绕所述压缩弹簧以限制所述压缩弹簧的径向向外弯曲。 由于环形构件经受其自身的离心力和压缩弹簧的离心力时,环形构件没有被推靠在阻尼器组件的周围构成部件上,所以阻尼器组件能够提供稳定的扭转振动阻尼特性。
    • 78. 发明申请
    • WARM-UP SYSTEM FOR EXHAUST SYSTEM OF INTERNAL COMBUSTION ENGINE
    • 内燃机排气系统补偿系统
    • US20140216020A1
    • 2014-08-07
    • US13580325
    • 2011-09-06
    • Daisuke ShibataToru KidokoroHiroshi SawadaKazuya Takaoka
    • Daisuke ShibataToru KidokoroHiroshi SawadaKazuya Takaoka
    • F01N3/10
    • F01N3/10F01N3/035F01N3/2066F01N11/00F01N13/009F01N2430/00F01N2550/00F01N2550/04F01N2560/05F01N2900/0422F01N2900/08F01N2900/1606F02D41/0255F02D41/1495F02D41/22Y02T10/26Y02T10/47
    • An object of the invention is to prevent a situation in which failure diagnosis for an exhaust system component in an internal combustion engine cannot be completed from continuing for an unduly long period of time. A warm-up system for an exhaust system of an internal combustion engine according to the invention includes a warm-up control performing unit that performs warm-up control for warming up an exhaust system component upon start-up of the internal combustion engine and a failure diagnosis performing unit that performs failure diagnosis for the exhaust system component after the completion of warm-up of the exhaust system component. If a situation in which the operation of the internal combustion engine is stopped after the start of operation of the internal combustion engine before the completion of the failure diagnosis for the exhaust system component performed by the failure diagnosis performing unit has been repeated for a predetermined period of time, the warm-up control performing unit changes the warm-up control performed upon start-up of the internal combustion engine after the predetermined period of time has elapsed to a control that can raise the temperature of the exhaust system component more quickly than the warm-up control performed during the aforementioned predetermined period.
    • 本发明的目的是防止内燃机中的排气系统部件的故障诊断不能够持续不长时间的情况。 根据本发明的用于内燃机的排气系统的预热系统包括预热控制执行单元,其在内燃机启动时进行预热排气系统部件的预热控制,以及 故障诊断执行单元,其在排气系统部件的预热完成之后对排气系统部件执行故障诊断。 如果在由故障诊断执行单元执行的用于排气系统部件的故障诊断完成之后内燃机的运行停止之后的状态已经重复了预定时间段 的时间,预热控制执行单元改变在经过预定时间段之后内燃机启动时执行的预热控制,使其能够比排气系统组件的温度更快地升高 在上述预定期间内进行预热控制。
    • 80. 发明授权
    • Fault detection system for PM trapper
    • PM捕集器故障检测系统
    • US08495861B2
    • 2013-07-30
    • US12303500
    • 2007-06-07
    • Daisuke ShibataHiroshi SawadaKeisuke Fukuoka
    • Daisuke ShibataHiroshi SawadaKeisuke Fukuoka
    • F01N3/021
    • B01D46/0086B01D2279/30F01N3/103F01N9/007F01N11/002F01N13/0097F01N2550/04F01N2560/08F01N2900/0412F01N2900/1406F02B37/00Y02T10/47
    • An object of the present invention is to provide a technology that enables detection of a fault of a PM trapper with improved accuracy. In the present invention, a pressure sensor 20 that measures a differential pressure across a PM trapper 11 is provided, and a fault of a PM trapper is determined based on an amount of change in the differential pressure across the PM trapper 11 between two different operation states of an internal combustion engine 1 in which the ambient temperature around the pressure sensor 20 falls within a specific temperature range. Since variations in the offset error of the differential pressure sensor 20 caused by changes in the ambient temperature around the differential pressure sensor 20 is made small, the amount of change in the differential pressure across the PM trapper 11 can be measured more accurately, and a fault of the PM trapper 11 can be detected with improved accuracy.
    • 本发明的目的是提供一种能够以更高精度检测PM捕集器的故障的技术。 在本发明中,提供了测量PM捕集器11两端的压差的压力传感器20,根据在两个不同操作之间的PM捕集器11的差压的变化量来确定PM捕集器的故障 内燃机1的状态,其中压力传感器20周围的环境温度落在特定温度范围内。 由于差压传感器20周围的环境温度的变化引起的差压传感器20的偏移误差的偏差变小,所以可以更精确地测定PM捕集器11的差压的变化量, 可以提高精度来检测PM捕集器11的故障。