公开(公告)号：US07359794B2

公开(公告)日：2008-04-15

申请号：US10592312

申请日：2006-01-30

申请人： Masashi Hakariya ,  Takashi Tsunooka

发明人： Masashi Hakariya ,  Takashi Tsunooka

IPC分类号： G06F19/00 ,  G01M19/00 ,  F02D45/00

CPC分类号： F02D41/008 ,  F02D41/182 ,  F02D2200/0406 ,  F02D2200/0408

摘要： An intake pressure is successively detected by a pressure sensor, and an intake pressure derivative is calculated. Next, a peak pressure detecting range for each cylinder is set based on the intake pressure derivative. Next, an upward peak pressure and a downward peak pressure of the intake pressure, included in the peak pressure detecting range, are detected for each cylinder. Next, an intake pressure drop for each cylinder is calculated from the upward peak pressure and the downward peak pressure. The in-cylinder charged air amount is calculated based on the intake pressure drop.

摘要翻译： 通过压力传感器连续检测进气压力，并计算进气压力导数。 接下来，基于进气压力导数来设定各气缸的峰值压力检测范围。 接下来，针对每个气缸检测包括在峰值压力检测范围内的进气压力的向上峰值压力和向下的峰值压力。 接下来，从上升峰值压力和下降峰值压力计算每个气缸的进气压降。 缸内充气量基于进气压降计算。

公开(公告)号：US20060130806A1

公开(公告)日：2006-06-22

申请号：US11295525

申请日：2005-12-07

申请人： Takashi Tsunooka ,  Masashi Hakariya

发明人： Takashi Tsunooka ,  Masashi Hakariya

IPC分类号： F02B75/02 ,  F01L1/34 ,  F02D11/10

CPC分类号： F02D13/0226 ,  F01L13/0036 ,  F02D13/023 ,  F02D41/0002 ,  F02D41/008 ,  F02D41/182 ,  F02D2041/001 ,  F02D2200/0402 ,  F02D2200/0406 ,  Y02T10/18 ,  Y02T10/42

摘要： An engine body includes a plurality of cylinders, and the intake valve lift-amount of each cylinder is changed based on the engine operating state. A pressure sensor continuously detects the intake pressure, which is the pressure in an intake pipe, to detect the intake pressure decrease amount, which is the amount of decrease in the intake pressure caused due to execution of the intake stroke, of each cylinder. The air quantity variation correction coefficient, which is used to compensate for the variation in the in-cylinder supplied-air quality with each cylinder, is calculated based on the detected intake pressure decrease amount, and the fuel injection amount is corrected using the air quantity variation correction coefficient.

摘要翻译： 发动机主体包括多个气缸，并且基于发动机运转状态改变每个气缸的进气门升程量。 压力传感器连续地检测作为进气管中的压力的​​进气压力，以检测每个气缸的进气压力降低量（即由于进气冲程的执行引起的进气压力的下降量）。 基于检测到的进气压力降低量来计算用于补偿每个气缸的缸内供给空气质量的变化的空气量变化校正系数，并且使用空气量来校正燃料喷射量 变异校正系数。

公开(公告)号：US20140223987A1

公开(公告)日：2014-08-14

申请号：US14166024

申请日：2014-01-28

申请人： Tatsuro Shimada ,  Isao Nakajima ,  Toshihiro Kato ,  Leuth Insixiengmai ,  Yoshihisa Oda ,  Masashi Hakariya

发明人： Tatsuro Shimada ,  Isao Nakajima ,  Toshihiro Kato ,  Leuth Insixiengmai ,  Yoshihisa Oda ,  Masashi Hakariya

IPC分类号： G01N33/00

CPC分类号： F02D41/1454 ,  F02D41/0085 ,  F02D41/1443

摘要： Provided is an apparatus for detecting cylinder air-fuel ratio imbalance abnormality. The apparatus is provided with an abnormality detecting unit that detects a cylinder air-fuel ratio imbalance abnormality by comparing a value of a parameter correlated with a degree of fluctuation in the air-fuel ratio sensor output to an abnormality threshold value, and a correcting unit that corrects at least one of the value of the parameter or the abnormality threshold value on the basis of atmospheric pressure. An amount of correction performed by the correcting unit is modified according to engine load.

摘要翻译： 提供一种用于检测气缸空燃比不平衡异常的装置。 该装置设置有异常检测单元，其通过将与空燃比传感器输出的波动程度相关的参数的值与异常阈值进行比较来检测气缸空燃比不平衡异常，以及校正单元 其基于大气压力校正参数的值或异常阈值中的至少一个。 由校正单元执行的校正量根据发动机负荷进行修改。

公开(公告)号：US20120303248A1

公开(公告)日：2012-11-29

申请号：US13480921

申请日：2012-05-25

申请人： Masashi Hakariya ,  Isao Nakajima ,  Yoshihisa Oda ,  Hitoshi Tanaka ,  Kiyotaka Kushihama ,  Shota Kitano ,  Kazuyuki Noda ,  Katsumi Adachi ,  Yuichi Kohara ,  Akihiro Katayama

发明人： Masashi Hakariya ,  Isao Nakajima ,  Yoshihisa Oda ,  Hitoshi Tanaka ,  Kiyotaka Kushihama ,  Shota Kitano ,  Kazuyuki Noda ,  Katsumi Adachi ,  Yuichi Kohara ,  Akihiro Katayama

IPC分类号： F02D41/30 ,  F02D41/26

CPC分类号： F02D41/1498 ,  F02D41/0085 ,  F02D41/1495 ,  F02D41/22 ,  F02D41/3076

摘要： An abnormality detection apparatus for a multi-cylinder internal combustion engine changes a fuel injection quantity of a predetermined target cylinder to detect an abnormality of an internal combustion engine based on values of rotational variations relating to the target cylinder detected before and after the change of the fuel injection quantity. The abnormality detection apparatus corrects the values of the rotational variations relating to the target cylinder detected before and after the change of the fuel injection quantity based on at least one of the number of revolutions of the engine and an engine load at a corresponding detection time.

摘要翻译： 用于多气缸内燃机的异常检测装置根据与在目标气缸的变化之前和之后检测到的目标气缸相关的旋转变化的值来改变预定目标气缸的燃料喷射量以检测内燃机的异常 燃油喷射量。 异常检测装置在相应的检测时间的基础上，基于发动机的转数和发动机负荷中的至少一方来校正与燃料喷射量的变化前后检测到的目标气缸的旋转变动的值。

公开(公告)号：US20120253642A1

公开(公告)日：2012-10-04

申请号：US13386260

申请日：2011-03-28

申请人： Shota Kitano ,  Hitoshi Tanaka ,  Isao Nakajima ,  Yoshihisa Oda ,  Masashi Hakariya ,  Kiyotaka Kushihama ,  Kazuyuki Noda ,  Akihiro Katayama ,  Yuichi Kohara ,  Katsumi Adachi

发明人： Shota Kitano ,  Hitoshi Tanaka ,  Isao Nakajima ,  Yoshihisa Oda ,  Masashi Hakariya ,  Kiyotaka Kushihama ,  Kazuyuki Noda ,  Akihiro Katayama ,  Yuichi Kohara ,  Katsumi Adachi

IPC分类号： F02D41/30

CPC分类号： F02D41/0085 ,  F02D41/126 ,  F02D41/1441 ,  F02D41/1443 ,  F02D41/1456 ,  F02D41/1498 ,  F02D2200/0816 ,  F02D2200/1012

摘要： An apparatus for detecting imbalance abnormality in an air-fuel ratio between cylinders in a multi-cylinder internal combustion engine according to the present invention increases a fuel injection quantity to a predetermined target cylinder to detect imbalance abnormality in an air-fuel ratio between cylinders at least based upon a rotation variation of the target cylinder after increasing the fuel injection quantity. The increase in the fuel injection quantity is carried out in the middle of performing the post-fuel-cut rich control. Since timing of the post-fuel cut rich control is used to increase the fuel injection quantity, the exhaust emission deterioration due to abnormality detection execution can be prevented as much as possible.

摘要翻译： 根据本发明的用于检测多缸内燃机中的气缸之间的空燃比的不平衡异常的装置将预定目标气缸的燃料喷射量增加以检测气缸之间的空燃比的不平衡异常 至少基于在增加燃料喷射量之后目标气缸的旋转变化。 燃料喷射量的增加在执行后燃料切断浓缩控制的中间进行。 由于使用后燃料切断浓缩控制的定时来增加燃料喷射量，所以可以尽可能地防止由异常检测执行引起的废气劣化。

公开(公告)号：US20110100344A1

公开(公告)日：2011-05-05

申请号：US12999006

申请日：2009-06-18

申请人： Akihiro Katayama ,  Naoto Kato ,  Shuntaro Okazaki ,  Kenji Kimura ,  Masashi Hakariya ,  Hiroaki Tsuji

发明人： Akihiro Katayama ,  Naoto Kato ,  Shuntaro Okazaki ,  Kenji Kimura ,  Masashi Hakariya ,  Hiroaki Tsuji

IPC分类号： F02D41/00

CPC分类号： F02D41/1498 ,  F02D35/021 ,  F02D35/023 ,  F02D41/1401 ,  F02D41/1441 ,  F02D41/2454 ,  F02D2041/1418 ,  F02D2200/1015 ,  G01M15/11

摘要： An engine ECU calculates a rotational variation based on a required rotation time when a complete misfire occurs in a cylinder, a required rotation time when complete combustion occurs in the cylinder, and a required rotation time during the current combustion stroke, and integrates the calculated rotational variation. If it is determined that the number of times the rotational variation has been integrated has reached a predetermined number, the engine ECU calculates an amount of learning value deviation from the integrated rotational variation. If the amount of learning value deviation is equal to or greater than a certain amount, the engine ECU corrects a learning value of a sub-feedback control with respect to the air-fuel ratio.

摘要翻译： 发动机ECU基于在气缸中发生完全失火所需的旋转时间，在气缸中发生完全燃烧时所需的旋转时间以及当前燃烧行程期间所需的旋转时间，计算旋转变化，并且将计算出的旋转 变异。 如果确定旋转变化已经被积分的次数达到预定数量，则发动机ECU计算学习值偏离积分旋转变化量的量。 如果学习值偏差量等于或大于一定量，则发动机ECU相对于空燃比校正副反馈控制的学习值。

公开(公告)号：US07373922B2

公开(公告)日：2008-05-20

申请号：US10568947

申请日：2004-07-30

申请人： Harufumi Muto ,  Yuji Miyanoo ,  Akira Eiraku ,  Masashi Hakariya

发明人： Harufumi Muto ,  Yuji Miyanoo ,  Akira Eiraku ,  Masashi Hakariya

IPC分类号： F02D41/24 ,  F02D9/00

CPC分类号： F02D13/02 ,  F02D9/02 ,  F02D13/0226 ,  F02D41/0002 ,  F02D2041/002 ,  F02D2041/1437 ,  F02D2200/0402 ,  F02D2200/602 ,  Y02T10/18 ,  Y02T10/42

摘要： An apparatus and method for controlling the intake air amount in an internal combustion engine provided with a throttle valve and an intake air amount changing means linked with the same, the intake air amount control apparatus and method of an internal combustion engine finding a target intake air amount mcta based on an accelerator opening degree and engine speed (step 101), determining a target setting Cvta for said intake air amount changing means based on at least said target intake air amount (step 103), and finding a target throttle opening degree θtta based on model equations creating a model of an engine intake system and expressing the air passing through the engine intake system from said target intake air amount mcta and the target setting Cvta (step 107).

摘要翻译： 一种用于控制内燃机中的进气量的装置和方法，所述内燃机设置有与其相连的节流阀和进气量改变装置，所述进气量控制装置和方法， 基于加速器开度和发动机转速的量mcta（步骤101），基于至少所述目标进气量确定所述进气量改变装置的目标设定值Cvta（步骤103），并且找到目标节气门开度 基于模型方程，产生发动机进气系统的模型，并且从所述目标进气量mcta和目标设定值Cvta表达通过发动机进气系统的空气（步骤107）。

公开(公告)号：US20070244625A1

公开(公告)日：2007-10-18

申请号：US10593635

申请日：2006-01-13

申请人： Masashi Hakariya ,  Takashi Tsunooka

发明人： Masashi Hakariya ,  Takashi Tsunooka

IPC分类号： F02D28/00

CPC分类号： F02D41/0002 ,  F02D41/182 ,  F02D2200/0402 ,  F02D2200/0406 ,  Y02T10/42

摘要： A cylinder air filling amount is divided into a first amount of air and a second amount of air, the first amount of air and the second amount of air are calculated, and the first amount of air and the second amount of air are totaled to calculate a cylinder air filling amount. The first amount of air is the excess of the cylinder air filling amount with respect to the throttle valve air passage amount occurring due to an intake stroke being performed. The drop in intake pressure occurring due to an intake stroke being performed is detected for each cylinder and the total value of the intake pressure drop in a 720° crank angle range is calculated. The first amount of air is calculated based on an intake pressure drop and the intake pressure drop total value. Due to this, it is possible to simply and accurately calculate a cylinder air filling amount.

摘要翻译： 气缸充气量被分为第一空气量和第二空气量，计算第一空气量和第二空气量，并且将第一空气量和第二空气量合计计算 气缸充气量。 第一量的空气是相对于由于进行进气冲程而产生的节流阀空气通过量的气缸空气填充量的过量。 针对每个气缸检测由于执行进气冲程而产生的进气压力的下降，并且计算720°曲柄角范围内的进气压降的总值。 基于进气压降和进气压降总值计算第一空气量。 由此，可以简单且精确地计算气缸充气量。

公开(公告)号：US20060276954A1

公开(公告)日：2006-12-07

申请号：US10568947

申请日：2004-07-30

申请人： Harufumi Muto ,  Yuji Miyanoo ,  Akira Eiraku ,  Masashi Hakariya

发明人： Harufumi Muto ,  Yuji Miyanoo ,  Akira Eiraku ,  Masashi Hakariya

IPC分类号： F02D41/24

CPC分类号： F02D13/02 ,  F02D9/02 ,  F02D13/0226 ,  F02D41/0002 ,  F02D2041/002 ,  F02D2041/1437 ,  F02D2200/0402 ,  F02D2200/602 ,  Y02T10/18 ,  Y02T10/42

摘要： An apparatus and method for controlling the intake air amount in an internal combustion engine provided with a throttle valve and an intake air amount changing means linked with the same, the intake air amount control apparatus and method of an internal combustion engine finding a target intake air amount mcta based on an accelerator opening degree and engine speed (step 101), determining a target setting Cvta for said intake air amount changing means based on at least said target intake air amount (step 103), and finding a target throttle opening degree θtta based on model equations creating a model of an engine intake system and expressing the air passing through the engine intake system from said target intake air amount mcta and the target setting Cvta (step 107).

摘要翻译： 一种用于控制内燃机中的进气量的装置和方法，所述内燃机设置有与其相连的节流阀和进气量改变装置，所述进气量控制装置和方法， 基于加速器开度和发动机转速的量mcta（步骤101），基于至少所述目标进气量确定所述进气量改变装置的目标设定值Cvta（步骤103），并且找到目标节气门开度 基于模型方程，产生发动机进气系统的模型，并且从所述目标进气量mcta和目标设定值Cvta表达通过发动机进气系统的空气（步骤107）。