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    • 41. 发明授权
    • Apparatus for evaluating deterioration condition of catalyst of internal combustion engine
    • 评价内燃机催化剂劣化状态的装置
    • US07430853B2
    • 2008-10-07
    • US10575950
    • 2004-12-27
    • Yuichi KoharaTakahiro Uchida
    • Yuichi KoharaTakahiro Uchida
    • F01N3/00
    • F01N11/007F01N13/009F01N13/0093F01N2550/02F01N2900/0422F02D41/1441F02D41/1474F02D41/1482F02D41/1495Y02T10/47
    • To provide an apparatus for evaluating the deterioration condition of a catalyst of an internal combustion engine that can improve the accuracy of an evaluation of the deterioration condition of a catalyst and can suppress a worsening of emissions. The apparatus forcedly sets the air/fuel ratio upstream of a catalyst provided in an exhaust system of an internal combustion engine at a rich condition or a lean condition on the basis of a detected value of a sub O2 sensor downstream of the catalyst in the internal combustion engine and evaluates the deterioration condition of the catalyst. The air/fuel ratio control is reversed so that the air/fuel ratio upstream of the catalyst becomes a lean condition or a rich condition when ‘egasum’ has reached a predetermined value Ga, ‘egasum’ being an integrated value of an admitted air volume (an integration count of the amount of exhaust gas passing through the catalyst) in the period after the sub O2 sensor outputs a detected value, which shows a rich condition or a lean condition, until the reversing of the output of the sub O2 sensor.
    • 提供一种用于评价内燃机的催化剂的劣化条件的装置,其能够提高催化剂的劣化条件的评价的准确性,并且可以抑制排放的恶化。 该装置根据检测到的副O 2的检测值强制将设置在内燃机的排气系统中的催化剂上游的空气/燃料比设定在浓度条件或稀薄条件下。 传感器在内燃机中的催化剂下游,并评估催化剂的劣化状态。 空燃比控制相反,使得当“egasum”达到预定值Ga时,催化剂上游的空气/燃料比变成稀薄状态或浓缩状态,“egasum”是允许的空气量的积分值 (通过催化剂的废气量的积分计数)在O O 2传感器输出检测值之后的时段,其显示浓的条件或稀薄条件,直到反转 sub O 2传感器的输出。
    • 44. 发明申请
    • Apparatus for evaluating deterioration condition of catalyst of internal combustion engine
    • 评价内燃机催化剂劣化状态的装置
    • US20070062177A1
    • 2007-03-22
    • US10575950
    • 2004-12-27
    • Yuichi KoharaTakahiro Uchida
    • Yuichi KoharaTakahiro Uchida
    • F01N3/00F01N7/00
    • F01N11/007F01N13/009F01N13/0093F01N2550/02F01N2900/0422F02D41/1441F02D41/1474F02D41/1482F02D41/1495Y02T10/47
    • To provide an apparatus for evaluating the deterioration condition of a catalyst of an internal combustion engine that can improve the accuracy of an evaluation of the deterioration condition of a catalyst and can suppress a worsening of emissions. The apparatus forcedly sets the air/fuel ratio upstream of a catalyst provided in an exhaust system of an internal combustion engine at a rich condition or a lean condition on the basis of a detected value of a sub O2 sensor downstream of the catalyst in the internal combustion engine and evaluates the deterioration condition of the catalyst. The air/fuel ratio control is reversed so that the air/fuel ratio upstream of the catalyst becomes a lean condition or a rich condition when ‘egasum’ has reached a predetermined value Ga, ‘egasum’ being an integrated value of an admitted air volume (an integration count of the amount of exhaust gas passing through the catalyst) in the period after the sub O2 sensor outputs a detected value, which shows a rich condition or a lean condition, until the reversing of the output of the sub O2 sensor.
    • 提供一种用于评价内燃机的催化剂的劣化条件的装置,其能够提高催化剂的劣化条件的评价的准确性,并且可以抑制排放的恶化。 该装置根据检测到的副O 2的检测值强制将设置在内燃机的排气系统中的催化剂上游的空气/燃料比设定在浓度条件或稀薄条件下。 传感器在内燃机中的催化剂下游,并评估催化剂的劣化状态。 空燃比控制相反,使得当“egasum”达到预定值Ga时,催化剂上游的空气/燃料比变成稀薄状态或浓缩状态,“egasum”是允许的空气量的积分值 (通过催化剂的废气量的积分计数)在O O 2传感器输出检测值之后的时段,其显示浓的条件或稀薄条件,直到反转 sub O 2传感器的输出。
    • 47. 发明授权
    • Laser beam-splitting apparatus
    • 激光分束装置
    • US5798867A
    • 1998-08-25
    • US796391
    • 1997-02-04
    • Takahiro UchidaShin-ichi Nakayama
    • Takahiro UchidaShin-ichi Nakayama
    • B23K26/067G02B27/14G02B7/02
    • B23K26/0673B23K26/067G02B27/106G02B27/1073G02B27/144G02B27/145
    • A laser beam-splitting apparatus that is capable of producing a plurality of split laser beams having a uniform laser output as well as easily and precisely adjusting the laser output of the individual split laser beams to any desired value. The apparatus is provided with one or a plurality of partial reflection and transmission mirrors each having a reflectance and transmittance which spatially and continuosly varies in one-dimensional or two-dimensional directions for the wave length of the primary laser beam. The reflectance and transmittance of each mirror for the laser beam incident thereon can be adjusted to a desired value by an adjusting device which is adapted to the position of the mirror. The laser beams reflected or transmitted from the reflection and transmission mirrors are output as the split laser beams respectively.
    • 一种激光束分割装置,其能够产生具有均匀激光输出的多个分割激光束,并且容易且精确地将各个分割激光束的激光输出调节到任何期望值。 该装置设置有一个或多个部分反射和透射反射镜,每个部分反射和透射反射镜具有对于一次激光束的波长在一维或二维方向上空间上和连续地变化的反射率和透射率。 入射到其上的激光束的每个反射镜的反射率和透射率可以通过适应于反射镜位置的调节装置来调整到期望值。 从反射镜和透射反射镜反射或透射的激光束分别作为分割激光束输出。