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25 条记录 (耗时 0.011 秒)

    Engine controller
    1.
    发明公开
    Engine controller 审中-公开
    引擎控制器

    公开(公告)号：EP1854983A3

    公开(公告)日：2008-12-31

    申请号：EP07008952.9

    申请日：2007-05-03

    申请人： Hitachi, Ltd.

    发明人： Nakagawa, Shinji ,  Kanetoshi, Kazuhiko ,  Katogi, Kozo ,  Ichihara, Takanobu ,  Ohsuga, Minoru

    IPC分类号： F02D41/14 ,  F02D41/06

    CPC分类号： F02D41/062 ,  F02D35/023 ,  F02D35/025 ,  F02D37/02 ,  F02D41/1454 ,  F02D41/1458 ,  F02D41/1498 ,  F02D41/2454 ,  F02D2200/1012 ,  F02D2250/18

    摘要： The invention relates to an engine controller 100 comprising a combustion state detection or estimation means for detecting or estimating a combustion state in the combustion chamber 17, a combustion air-fuel ratio estimation means for estimating a combustion air-fuel ratio in the combustion chamber according to an exhaust air-fuel ratio and the detected or estimated combustion state, and a means for calculating engine control parameters according to the estimated combustion air-fuel ratio.
    Whereby, an inexpensive engine controller can control the combustion air-fuel ratio at the time of start with high precision.

    摘要翻译： 发动机控制器100包括用于检测或估计燃烧室17中的燃烧状态的燃烧状态检测或估计装置，用于估计燃烧室中的燃烧空气 - 燃料比的燃烧空气 - 燃料比估计装置 排气空燃比和检测或估计的燃烧状态，以及用于根据估计的燃烧空燃比计算发动机控制参数的装置。 由此，廉价的发动机控制装置能够高精度地控制起动时的燃烧空燃比。

    Method and apparatus for detecting knock in an internal combustion engine
    2.
    发明公开
    Method and apparatus for detecting knock in an internal combustion engine 失效
    用于检测内燃机中的卡锁的方法和装置

    公开(公告)号：EP0454486A3

    公开(公告)日：1992-07-29

    申请号：EP91303800.6

    申请日：1991-04-26

    申请人： HITACHI, LTD.

    发明人： Ichihara, Takanobu ,  Katogi, Kozo ,  Tokuda, Hiroatsu

    IPC分类号： G01L23/22

    CPC分类号： G01L23/225

    摘要： A method and apparatus of detecting knocking in an internal combustion engine having a crankshaft (4) uses a knock detecting sensor (17) to detect vibration caused by knocking. The signals from the knock detecting sensor (17) are detected between a first and a second moment of time (i.e. a measurement window) and at least one of the first and second moments of time are independently varied in dependence upon a vibration spectrum of frequencies to be detected. In a preferred embodiment a plurality of frequency spectra, each having a different first and second moment of time, are each separately analysed for determining knock intensity. The moments of time are represented by first and second angles of the crankshaft. A plurality of measurement windows are advantageously used to determine the level of knocking and if the level exceeds a predetermined level the ignition timing for the engine is retarded. The frequency of maximum amplitude is arranged in operation to be the centre frequency of a frequency spectrum determined by the measurement window.

    Engine control apparatus
    4.
    发明公开
    Engine control apparatus 审中-公开

    公开(公告)号：EP2042711A3

    公开(公告)日：2015-03-11

    申请号：EP08014717.6

    申请日：2008-08-19

    申请人： Hitachi Ltd.

    发明人： Nakagawa, Shinji ,  Kanetoshi, Kazuhiko ,  Katogi, Kozo ,  Ichihara, Takanobu ,  Ohsuga, Minoru

    IPC分类号： F02D41/00 ,  F02D41/04 ,  F02D41/06 ,  F02D43/00

    CPC分类号： F02D41/0002 ,  F02D41/047 ,  F02D41/064 ,  F02D43/00 ,  F02D2200/0414 ,  F02D2200/0606 ,  Y02T10/42

    摘要： An engine control apparatus for controlling the amount of the air flowing into each cylinder in accordance with the amount (TICy1) of the fuel flowing into the cylinder at the time of starting the engine is disclosed. Further, at the engine starting time, the target amount (TgTp) of the air flowing into the cylinder is calculated and/or the amount of the air flowing into the cylinder is controlled, based on the amount (TICy1) of the fuel flowing into the cylinder. The amount of the fuel remaining in the neighborhood of the engine intake port or in the intake pipe is calculated by being separated into a balanced liquid film amount (TI S) and unbalanced liquid film amount (TI US). Based on the unbalanced liquid film amount (TI US), the injection fuel amount is corrected so that the amount (TICy1) of the fuel flowing into the cylinder is controlled with high accuracy.

    Method and apparatus for detecting knock in an internal combustion engine
    7.
    发明公开
    Method and apparatus for detecting knock in an internal combustion engine 失效
    用于检测内燃机爆震的方法和装置。

    公开(公告)号：EP0454486A2

    公开(公告)日：1991-10-30

    申请号：EP91303800.6

    申请日：1991-04-26

    申请人： HITACHI, LTD.

    发明人： Ichihara, Takanobu ,  Katogi, Kozo ,  Tokuda, Hiroatsu

    IPC分类号： G01L23/22

    CPC分类号： G01L23/225

    摘要： A method and apparatus of detecting knocking in an internal combustion engine having a crankshaft (4) uses a knock detecting sensor (17) to detect vibration caused by knocking. The signals from the knock detecting sensor (17) are detected between a first and a second moment of time (i.e. a measurement window) and at least one of the first and second moments of time are independently varied in dependence upon a vibration spectrum of frequencies to be detected. In a preferred embodiment a plurality of frequency spectra, each having a different first and second moment of time, are each separately analysed for determining knock intensity. The moments of time are represented by first and second angles of the crankshaft. A plurality of measurement windows are advantageously used to determine the level of knocking and if the level exceeds a predetermined level the ignition timing for the engine is retarded. The frequency of maximum amplitude is arranged in operation to be the centre frequency of a frequency spectrum determined by the measurement window.

    摘要翻译： 检测的方法和装置，在爆震内燃机具有曲轴（4）使用爆震检测传感器（17），以检测由爆震引起的振动。 第一和第二时刻（即，测量窗口）和时间的第一和第二矩中的至少一个之间检测到从爆震检测传感器（17）的信号是依赖于频率的振动频谱unabhängig多样 被检测到。 在优选实施例的频谱的复数，每个都具有不同的时间的第一和第二力矩，各自单独分析用于确定性采矿爆震强度。 时间的时刻通过所述曲轴的第一和第二角度为代表。 的测量窗口的多个有利地用于确定性矿水平爆震的，并且如果电平超过预定的电平为所述发动机的点火正时延迟。 最大振幅的频率在手术布置成通过测量窗口开采频谱确定性的中心频率。

    Control apparatus for an engine
    8.
    发明公开
    Control apparatus for an engine 审中-公开
    发动机的控制装置

    公开(公告)号：EP2075458A2

    公开(公告)日：2009-07-01

    申请号：EP08022339.9

    申请日：2008-12-23

    申请人： Hitachi Ltd.

    发明人： Nakagawa, Shinji ,  Kanetoshi, Kazuhiko ,  Katogi, Kozo ,  Ichihara, Takanobu ,  Ohsuga, Minoru

    IPC分类号： F02P5/15

    CPC分类号： F02P5/1506 ,  F02P5/1508 ,  Y02T10/46

    摘要： A control apparatus for an engine (9) including a unit (16) for retarding an ignition timing from an MBT by a predetermined value or more during cranking at engine starting or during a period from a first combustion up to an idling engine speed.

    摘要翻译： 一种发动机（9）的控制装置，其特征在于，在发动机启动时或者从第一次燃烧到怠速发动机转速的期间，具有使MBT的点火正时延迟规定值以上的单元（16）。

    Diagnosis device for an engine
    9.
    发明公开
    Diagnosis device for an engine 审中-公开
    Diagnosevorrichtungfüreine Brennkraftmaschine

    公开(公告)号：EP1128033A2

    公开(公告)日：2001-08-29

    申请号：EP01103674.6

    申请日：2001-02-23

    申请人： Hitachi, Ltd.

    发明人： Nakagawa, Shinji ,  Ohsuga, Minoru ,  Ishii, Toshio ,  Takaku, Yutaka ,  Katogi, Kozo

    IPC分类号： F01N11/00 ,  F02D41/02 ,  F01N3/08

    CPC分类号： F01N3/0835 ,  F01N11/00 ,  F01N11/007 ,  F01N13/009 ,  F01N2550/03 ,  F01N2570/12 ,  F02D41/027 ,  F02D41/1441 ,  F02D41/1456 ,  F02D41/1495 ,  F02D2200/0802 ,  Y02T10/20 ,  Y02T10/47

    摘要： A diagnosis system for an engine (100) including an exhaust pipe (10), a hydrocarbon (HC) absorbent (11) arranged within the exhaust pipe (10), an upstream air/fuel ratio sensor (12) arranged upstream of the HC absorbent (11) and detecting a wide range air/fuel ratio of an exhaust gas, a downstream air/fuel ratio sensor (13) arranged downstream of the HC absorbent (11) and detecting rich or lean with respect to stoichiometric air/fuel ratio of the exhaust gas, and a control unit (16), the control unit (16) includes means (31) for correcting an air/fuel ratio upstream of the HC absorbent (11), means (30) for correcting an air/fuel ratio downstream of the HC absorbent (11), and means (28) for predicting a HC absorbing amount of the HC absorbent (11), the means (31) for correcting the air/fuel ratio upstream of the HC absorbent (11) correcting and controlling an output value of the upstream air/fuel ratio sensor (12) toward lean, the means (28) for predicting the HC absorbing amount of the HC absorbent (11) predicting an absorbing performance of the HC absorbent (11) on the basis of a difference between an output value of the upstream air/fuel ratio sensor (12) and a predetermined value C during a period from a timing where a temperature of the HC absorbent (11) becomes higher than or equal to a predetermined value A and the output value of the upstream air/fuel ratio sensor (12) is corrected and controlled toward lean to a timing where the temperature becomes lower than or equal to a predetermined value B.

    摘要翻译： 一种用于发动机（100）的诊断系统，包括排气管（10），布置在排气管（10）内的碳氢化合物（HC）吸收剂（11）），上游空气/燃料比传感器（12） 吸收剂（11）并且检测排气的宽范围的空气/燃料比，布置在HC吸收剂（11）下游的下游空气/燃料比传感器（13），并相对于化学计量的空气/燃料比检测浓或稀 和控制单元（16），所述控制单元（16）包括用于校正所述HC吸收剂（11）上游的空气/燃料比的装置（31），用于校正空气/燃料的装置（30） HC吸收剂（11）的下游比例以及用于预测HC吸收剂（11）的HC吸收量的装置（28），用于校正HC吸收剂（11）上游的空气/燃料比的装置（31） 并且将所述上游空燃比传感器（12）的输出值控制为倾斜，所述装置（28）用于预测所述上游空燃比传感器 e吸收剂（11）基于上游空气/燃料比传感器（12）的输出值与预定值C之间的差异预测HC吸收剂（11）的吸收性能，在从 HC吸收剂（11）的温度变得高于或等于预定值A，并且上游空气/燃料比传感器（12）的输出值被校正和控制为倾斜到温度变得低于或等于 等于预定值B.