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    Vehicle diagnostic system
    1.
    发明申请
    Vehicle diagnostic system 有权
    车辆诊断系统

    公开(公告)号：US20070124039A1

    公开(公告)日：2007-05-31

    申请号：US11698950

    申请日：2007-01-29

    申请人： Kohei Sakurai ,  Nobuyasu Kanekawa ,  Minoru Ohsuga ,  Masatoshi Hoshino ,  Yoichi Iihoshi ,  Yutaka Takaku

    发明人： Kohei Sakurai ,  Nobuyasu Kanekawa ,  Minoru Ohsuga ,  Masatoshi Hoshino ,  Yoichi Iihoshi ,  Yutaka Takaku

    IPC分类号： G01M17/00 ,  G06F17/00

    CPC分类号： G07C5/008 ,  G05B23/0267 ,  G07C5/0816 ,  G07C5/085 ,  G07C2205/02 ,  H04W24/00

    摘要： The present invention provides a vehicle diagnostic system comprising an electronic control unit for controlling and monitoring vehicle equipment, a radio communication means for transmitting a vehicle diagnostic information to a telecommunication equipment located outside the vehicle or for communicating between the vehicle and the telecommunication equipment located outside the vehicle and for transmitting a communication diagnostic signal to the electronic control unit and receiving a response signal to the communication diagnostic signal, and a communication line for connecting the electronic control unit and the radio communication means wherein the response signal is utilized to determine if the communication line is properly functional.

    摘要翻译： 本发明提供了一种车辆诊断系统，包括用于控制和监测车辆设备的电子控制单元，用于将车辆诊断信息发送到位于车辆外部的电信设备或用于在车辆与位于外部的电信设备之间进行通信的无线电通信装置 车辆，并且用于将通信诊断信号发送到电子控制单元并且接收对通信诊断信号的响应信号;以及通信线路，用于连接电子控制单元和无线电通信装置，其中响应信号用于确定是否 通信线路正常运行。

    Diagnosis apparatus for internal combustion engine
    2.
    发明授权
    Diagnosis apparatus for internal combustion engine 失效
    内燃机诊断装置

    公开(公告)号：US06883307B2

    公开(公告)日：2005-04-26

    申请号：US10083496

    申请日：2002-02-27

    申请人： Yoichi Iihoshi ,  Minoru Ohsuga ,  Yutaka Takaku

    发明人： Yoichi Iihoshi ,  Minoru Ohsuga ,  Yutaka Takaku

    IPC分类号： F02D45/00 ,  B01D53/94 ,  F01N3/08 ,  F01N3/10 ,  F01N3/18 ,  F01N3/20 ,  F01N3/24 ,  F01N3/28 ,  F01N11/00 ,  F01N13/02 ,  F02D41/02 ,  F02D41/14 ,  F01N3/00

    CPC分类号： F01N3/0835 ,  F01N11/002 ,  F01N11/007 ,  F01N13/009 ,  F01N2550/02 ,  F01N2550/03 ,  F02D41/027 ,  F02D41/1446 ,  F02D41/1454 ,  F02D41/1495 ,  F02D41/187 ,  Y02T10/20 ,  Y02T10/47

    摘要： In an internal combustion engine diagnosis apparatus comprising a cleanup catalyst arranged on an exhaust pipe of an internal combustion engine and an HC adsorption catalyst arranged downstream of and in parallel to the cleanup catalyst, degradation and failure of the HC adsorption catalyst is accurately diagnosed. The internal combustion engine diagnosis apparatus comprising the cleanup catalyst arranged in the exhaust pipe of the internal combustion engine; and the HC adsorption catalyst arranged in parallel to and downstream of the cleanup catalyst, during high temperature period the HC adsorption catalyst desorbing and cleaning up HC desorbed during low temperature period, wherein degradation of the HC adsorption catalyst is diagnosed based on a gradient of temperature of the HC adsorption catalyst during a period when temperature of the HC adsorption catalyst is within a range of 50° C. to 250° C.

    摘要翻译： 在内燃机诊断装置中，具有布置在内燃机的排气管上的净化催化剂和布置在净化催化剂的下游并与催化剂平行的HC吸附催化剂，能够准确地诊断HC吸附催化剂的劣化和失效。 所述内燃机诊断装置包括设置在所述内燃机的排气管内的净化催化剂; HC吸附催化剂在清洗催化剂平行于和下游排列，在高温期间HC吸附催化剂解吸和清除HC在低温期间脱附，其中HC吸附催化剂的降解基于温度梯度被诊断 的HC吸附催化剂的温度在50℃〜250℃的范围内。

    Vehicle diagnostic system
    4.
    发明授权
    Vehicle diagnostic system 有权
    车辆诊断系统

    公开(公告)号：US07409275B2

    公开(公告)日：2008-08-05

    申请号：US11698950

    申请日：2007-01-29

    申请人： Kohei Sakurai ,  Nobuyasu Kanekawa ,  Minoru Ohsuga ,  Masatoshi Hoshino ,  Yoichi Iihoshi ,  Yutaka Takaku

    发明人： Kohei Sakurai ,  Nobuyasu Kanekawa ,  Minoru Ohsuga ,  Masatoshi Hoshino ,  Yoichi Iihoshi ,  Yutaka Takaku

    IPC分类号： G01R31/00 ,  G07C5/00

    CPC分类号： G07C5/008 ,  G05B23/0267 ,  G07C5/0816 ,  G07C5/085 ,  G07C2205/02 ,  H04W24/00

    摘要： The present invention provides a vehicle diagnostic system comprising an electronic control unit for controlling and monitoring vehicle equipment, a radio communication means for transmitting a vehicle diagnostic information to a telecommunication equipment located outside the vehicle or for communicating between the vehicle and the telecommunication equipment located outside the vehicle and for transmitting a communication diagnostic signal to the electronic control unit and receiving a response signal to the communication diagnostic signal, and a communication line for connecting the electronic control unit and the radio communication means wherein the response signal is utilized to determine if the communication line is properly functional.

    摘要翻译： 本发明提供了一种车辆诊断系统，包括用于控制和监测车辆设备的电子控制单元，用于将车辆诊断信息发送到位于车辆外部的电信设备或用于在车辆与位于外部的电信设备之间进行通信的无线电通信装置 车辆，并且用于将通信诊断信号发送到电子控制单元并且接收对通信诊断信号的响应信号;以及通信线路，用于连接电子控制单元和无线电通信装置，其中响应信号用于确定是否 通信线路正常运行。

    Controller of compression-ignition engine
    8.
    发明授权
    Controller of compression-ignition engine 有权
    压燃式发动机控制器

    公开(公告)号：US06772585B2

    公开(公告)日：2004-08-10

    申请号：US10255703

    申请日：2002-09-27

    申请人： Yoichi Iihoshi ,  Shiro Yamaoka ,  Minoru Ohsuga

    发明人： Yoichi Iihoshi ,  Shiro Yamaoka ,  Minoru Ohsuga

    IPC分类号： F01N300

    CPC分类号： F02D41/3064 ,  F02B1/12 ,  F02D41/0057 ,  F02D41/006 ,  F02D41/0087 ,  F02D41/0295 ,  F02D41/1402 ,  F02D41/1441 ,  F02D41/1454 ,  F02D41/146 ,  F02D41/1465 ,  F02D41/222 ,  F02D41/2441 ,  F02D41/2454 ,  F02D41/3011 ,  F02D41/3035 ,  F02D41/402 ,  F02D2041/0017 ,  Y02T10/47

    摘要： A control system for a compression injection engine can prevent deterioration in exhaust purification at the time of the switching of combustion between spark ignition and compression ignition, at the time of said spark ignition combustion and said compression injection combustion, and can diagnose any deterioration of an NO x detector and a three way catalyst. The control system includes a catalytic converter installed within an exhaust passage of the compression ignition engine for compressing and igniting a pre-mixture of a fuel and air, an air/fuel ratio detector for detecting an air/fuel ratio at upstream side of said catalytic converter, and an NOx detector for detecting NOx at downstream side of said catalytic converter.

    摘要翻译： 用于压缩喷射发动机的控制系统可以防止在火花点火和压缩点火之间的燃烧切换时，在所述火花点火燃烧和所述压缩喷射燃烧时的排气净化时的劣化，并且可以诊断 NO x检测器和三元催化剂。 控制系统包括安装在压缩点火发动机的排气通道内用于压缩和点燃燃料和空气的预混合物的催化转化器，用于检测所述催化剂上游侧的空气/燃料比的空气/燃料比检测器 转换器和用于检测所述催化转化器下游侧的NOx的NOx检测器。

    Engine self-diagnosis apparatus and control apparatus
    10.
    发明授权
    Engine self-diagnosis apparatus and control apparatus 有权

    公开(公告)号：US06470868B2

    公开(公告)日：2002-10-29

    申请号：US09811565

    申请日：2001-03-20

    申请人： Shinji Nakagawa ,  Minoru Ohsuga ,  Yutaka Takaku ,  Kouzou Katogi

    发明人： Shinji Nakagawa ,  Minoru Ohsuga ,  Yutaka Takaku ,  Kouzou Katogi

    IPC分类号： F02D4114

    CPC分类号： F02D41/008 ,  F02D41/1456 ,  F02D41/1495

    摘要： There is disclosed an apparatus in which changes of linear A/F sensor or engine response characteristics can be detected with high precision in a broad range during operation of an engine. The apparatus includes a controller 50 for controlling an air/fuel ratio of each cylinder of a multiple cylinder engine, and a linear A/F sensor 28 for emitting an output which is proportional to the air/fuel ratio of an exhaust tube assembly. The air/fuel ratio of a specific cylinder is changed by a predetermined amount, a vibration component amplitude or a frequency component based on an engine rotation number is extracted from a signal obtained from the linear A/F sensor 28, and the response characteristics of an air/fuel ratio detector or the engine are detected from the amplitude or a power of the frequency component.