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1. 发明授权

US06718920B2 Camshaft rotational phase detecting apparatus and cylinder intake air quantity calculating apparatus for engine 失效
标题翻译：用于发动机的凸轮轴转动相位检测装置和气缸进气量计算装置
公开(公告)号：US06718920B2
公开(公告)日：2004-04-13
申请号：US10062566
申请日：2002-02-05
申请人： Masato Hoshino , Yoshiaki Yoshioka , Tetsuya Iwasaki
发明人： Masato Hoshino , Yoshiaki Yoshioka , Tetsuya Iwasaki
IPC分类号： F01L134
CPC分类号： F01L1/34
摘要： A camshaft rotational phase detecting apparatus for an engine provided with a variable valve timing control mechanism which controls a camshaft rotational phase of an engine valve to a target camshaft rotational phase by varying a rotational phase of a camshaft relative to a crankshaft. The camshaft rotational phase detecting apparatus is configured to detect a camshaft rotational phase as a detected camshaft rotational phase based on a signal from a sensor. In the apparatus, the detected camshaft rotational phase is substituted with a maintained rotational phase for a predetermined period and is substituted with a target camshaft rotational phase after a lapse of the predetermined period, when the camshaft rotational phase is not detected. In the apparatus, the maintained rotational phase is set corresponding to the detected camshaft rotational phase detected before a timing that the camshaft rotational phase is not detected. Additionally, in the apparatus, the predetermined period is set in accordance with an engine temperature.
摘要翻译：一种用于发动机的凸轮轴旋转相位检测装置，其具有可变气门正时控制机构，其通过改变凸轮轴相对于曲轴的旋转相位来将发动机气门的凸轮轴转动相位控制到目标凸轮轴转动相位。凸轮轴转动相位检测装置被配置为基于来自传感器的信号来检测凸轮轴转动相位作为检测到的凸轮轴转动相位。在该装置中，检测到的凸轮轴旋转相位被保持的旋转相位取代预定时间段，并且在未检测到凸轮轴转动相位之后经过预定时间段后被目标凸轮轴转动相位代替。在该装置中，对应于在没有检测到凸轮轴旋转相位的定时之前检测到的检测到的凸轮轴转动相位来设定保持的旋转相位。此外，在该装置中，根据发动机温度来设定预定时间。

2. 发明授权

US5884605A Controller and control method for engine ignition timing 失效
标题翻译：发动机点火正时控制器及控制方法
公开(公告)号：US5884605A
公开(公告)日：1999-03-23
申请号：US926489
申请日：1997-09-10
申请人： Hatsuo Nagaishi , Yoshiaki Yoshioka , Kazushige Yokota
发明人： Hatsuo Nagaishi , Yoshiaki Yoshioka , Kazushige Yokota
IPC分类号： F02P5/15 , F02P5/152 , F02P5/153 , F02P5/04 , F02D45/00
CPC分类号： F02P5/1521 , F02P5/1504 , F02D2250/18 , Y02T10/46
摘要： A target torque is calculated as a proportion PI relative to a torque generated by an engine at a basic ignition timing. An ignition timing correction amount is calculated based on this proportion PI, and by correcting the ignition timing by this correction amount, an ignition timing correction which precisely matches a torque-down request is performed rapidly and accurately.
摘要翻译：目标转矩被计算为相对于发动机在基本点火时刻产生的转矩的比例PI。基于该比例PI来计算点火正时校正量，并通过该修正量校正点火正时，能够快速，准确地进行与转矩下降请求精确匹配的点火正时校正。

3. 发明授权

US06766640B2 Engine exhaust purification device 有权
标题翻译：发动机排气净化装置
公开(公告)号：US06766640B2
公开(公告)日：2004-07-27
申请号：US09931773
申请日：2001-08-20
申请人： Yasuji Ishizuka , Hideaki Takahashi , Yoshiaki Yoshioka
发明人： Yasuji Ishizuka , Hideaki Takahashi , Yoshiaki Yoshioka
IPC分类号： F01N300
CPC分类号： B01D53/9481 , B01D53/9422 , B01D53/945 , B01D53/9477 , B01D53/9495 , B01D2255/91 , F01N3/0842 , F01N3/101 , F01N13/009 , F01N13/0093 , F01N2570/16 , F02D41/0275 , F02D41/0295 , F02D2200/0814 , Y02T10/22 , Y02T10/24
摘要： A first catalyst 21 which stores or releases oxygen according to an air-fuel ratio, and a second catalyst 22 which traps or releases NOx according to the air-fuel ratio, are provided in an exhaust passage 9 of an engine 1. A controller 6 temporarily shifts the air-fuel ratio of the engine 1 to rich when it is determined that the NOx trap catalyst second catalyst 22 is released. At this time, the controller 6 increases a reducing agent supply amount due to the rich shift to be larger, the larger the oxygen amount stored by the two catalysts 21, 22. In this way, the air-fuel ratio in the second catalyst 22 is maintained at a target stoichiometric or rich air-fuel ratio.
摘要翻译：在发动机1的排气通道9中设置有根据空燃比储存或释放氧气的第一催化剂21和根据空燃比捕集或释放NOx的第二催化剂22.控制器6 当确定NOx捕获催化剂第二催化剂22被释放时，暂时将发动机1的空燃比转变为浓。此时，控制器6由于富位移增加而使还原剂供给量增大，由两个催化剂21,22存储的氧量越大。这样，第二催化剂22的空燃比维持在目标化学计量或浓空燃比。

4. 发明授权

US06494185B2 Fuel injection control apparatus and method for variably operated engine valve equipped internal combustion 有权
标题翻译：具有内燃功能的可变式发动机气门的燃油喷射控制装置和方法
公开(公告)号：US06494185B2
公开(公告)日：2002-12-17
申请号：US10058295
申请日：2002-01-30
申请人： Tetsuya Iwasaki , Yoshiaki Yoshioka
发明人： Tetsuya Iwasaki , Yoshiaki Yoshioka
IPC分类号： F02M5100
CPC分类号： F02D41/3809 , F01L1/34 , F02D13/0215 , F02D13/0234 , F02D13/0261 , F02D35/0007 , F02D41/187 , F02D2041/001 , F02D2041/2055 , F02D2041/389 , F02D2200/0402 , Y02T10/18
摘要： In fuel injection control apparatus and method for an engine having a variably operated engine valve in which at least a closure timing of an intake valve is variably controlled, a controller determines whether an actual closure timing of the intake valve is in a steady state, calculates a volume of a cylinder calculated from a target control value of the closure timing of the intake valve when determining that the actual closure timing is in the steady state and a fresh-air rate within the cylinder, calculates a mass air quantity sucked into the cylinder on the basis of a mass air quantity within an intake manifold calculated by income and outgo calculations of inflow and outflow quantities of a mass air within the intake manifold and a volume of the manifold, and calculates a fuel injection quantity on the basis of the mass air quantity sucked into the cylinder.
摘要翻译：在具有可变动作的发动机气门的发动机的燃料喷射控制装置和方法中，其中进气阀的至少闭合正时被可变地控制，控制器确定进气门的实际关闭正时是否处于稳定状态，当确定实际关闭正时处于稳定状态和气缸内的新鲜空气速率时，根据进气门的关闭正时的目标控制值计算出的气缸体积，计算吸入气缸中的质量空气量基于通过收入计算的进气歧管内的质量空气量和进气歧管内的大量空气的流入和流出量以及歧管的体积的计算，并且基于质量计算燃料喷射量吸入气瓶的空气量。

5. 发明授权

US06349592B1 Intake air quantity calculating apparatus for an internal combustion engine with a variable valve timing control mechanism 失效
标题翻译：具有可变气门正时控制机构的内燃机的进气量计算装置
公开(公告)号：US06349592B1
公开(公告)日：2002-02-26
申请号：US09634880
申请日：2000-08-07
申请人： Takahiko Hirasawa , Yoshiaki Yoshioka , Hatsuo Nagaishi
发明人： Takahiko Hirasawa , Yoshiaki Yoshioka , Hatsuo Nagaishi
IPC分类号： F02D4118
CPC分类号： F02D41/0002 , F01L9/04 , F02D13/0203 , F02D13/0234 , F02D13/0253 , F02D41/187 , F02D41/2422 , F02D2041/002 , F02D2200/0404 , F02D2200/0406 , F02D2200/602 , G01F1/6965 , G01F15/043 , Y02T10/18 , Y02T10/42
摘要： An intake air quantity calculating apparatus for an internal combustion engine equipped with a variable valve timing control mechanism is provided. By the apparatus, an intake pipe pressure is detected or estimated. An intake air pulsation rate is determined on the basis of the detected or estimated intake pipe pressure and engine speed. An air flow error correction term basic value is determined on the basis of a throttle valve opening degree and engine speed. The air flow error correction term basic value is corrected on the basis of the intake air pulsation rate, whereby to determine an air flow error correction term for correcting an error in detection of an intake air quantity by an air flow meter. By the air flow error correction term, an intake air quantity detected by an air flow meter is corrected, whereby it becomes possible to improve the accuracy in calculation of the intake air quantity. In case the intake pipe pressure is to be estimated, an intake pipe pressure basic value is determined from the throttle valve opening degree and the engine speed. The intake pipe pressure basic value is corrected on the basis of a closing timing of an intake valve, whereby to estimate the intake pipe pressure. A method of calculating an intake air quantity of the engine through correction of an intake air quantity detected by an air flow meter is also provided.
摘要翻译：提供了一种配备有可变气门正时控制机构的内燃机的进气量计算装置。通过该装置，检测或估计进气管压力。基于检测或估计的进气管压力和发动机转速来确定进气空气脉动率。基于节流阀开度和发动机转速确定气流误差校正项基本值。基于进气脉动率校正空气流量误差校正项基本值，从而确定用于校正由空气流量计检测进气量的误差的气流误差校正项。通过气流误差校正项，校正由空气流量计检测到的进气量，从而可以提高进气量的计算精度。在要估计进气管压力的情况下，从节气门开度和发动机转速确定进气管压力基准值。基于进气门的关闭正时来校正进气管压力基本值，从而估计进气管压力。还提供了一种通过校正由空气流量计检测到的进气量来计算发动机的进气量的方法。

6. 发明授权

US6125628A Engine startup air-fuel ratio controller 失效
标题翻译：发动机启动空燃比控制器
公开(公告)号：US6125628A
公开(公告)日：2000-10-03
申请号：US758507
申请日：1996-12-02
申请人： Takehiko Itami , Yoshiaki Yoshioka , Hatsuo Nagaishi
发明人： Takehiko Itami , Yoshiaki Yoshioka , Hatsuo Nagaishi
IPC分类号： F01N3/20 , F01N3/24 , F01N3/28 , F02D41/02 , F02D41/06 , F02D41/14 , F01N3/00
CPC分类号： F02D41/0245 , F02D41/0255 , F02D41/064 , F02D41/1487 , F01N2430/06 , F01N3/28 , Y02T10/26
摘要： In a water-cooled engine comprising a catalyst for purifying exhaust in an exhaust pipe, a catalyst is rendered active at an early stage by arranging an air-fuel ratio of a fuel mixture supplied to the engine to be lean on startup. A catalyst activation water temperature corresponding to full activation of this catalyst is set, and the air-fuel ratio is arranged to be leaner than a theoretical air-fuel ratio during a period from engine startup to when a cooling water temperature reaches the catalyst activation water temperature. After the cooling water temperature reaches the catalyst activation water temperature, the air-fuel ratio is shifted to the stoichiometric air-fuel ratio. In this way, lean control is optimized to activate the catalyst.
摘要翻译：在包括用于净化排气管中的排气的催化剂的水冷发动机中，催化剂通过在启动时设置供给发动机的燃料混合物的空燃比而在早期阶段变得活跃。设定对应于该催化剂的全部活化的催化剂活化水温度，并且在发动机启动期间到冷却水温度达到催化剂活化水时，将空燃比配置为比理论空燃比更稀温度。在冷却水温度达到催化剂活化水温度之后，将空燃比转换为化学计量空燃比。以这种方式，精益控制被优化以激活催化剂。

7. 发明授权

US6116227A Engine air-fuel ratio controller 失效
标题翻译：发动机空燃比控制器
公开(公告)号：US6116227A
公开(公告)日：2000-09-12
申请号：US8501
申请日：1998-01-16
申请人： Yoshiaki Yoshioka , Hatsuo Nagaishi
发明人： Yoshiaki Yoshioka , Hatsuo Nagaishi
IPC分类号： F02D45/00 , F02D41/14
CPC分类号： F02D41/2461
摘要： A learning value of a multiplication term for correcting a basic injection amount and a learning value of an addition term for correcting the basic injection amount are stored in a memory. The learning value of the addition term is converted to a proportion relative to the basic injection amount, and these learning values are modified such that the sum of the proportion and the multiplication term lies within a predetermined range. The proportion of the total learning values relative to the basic injection amount is thereby suppressed to a constant level so that the effect of incorrect learning on air-fuel ratio control is also suppressed.
摘要翻译：用于校正基本注入量的乘法项的学习值和用于校正基本注入量的相加项的学习值被存储在存储器中。相加项的学习值被转换为相对于基本注入量的比例，并且这些学习值被修改为使得比例和乘法项的和位于预定范围内。因此，将总学习值相对于基本喷射量的比例抑制到一定水平，从而也抑制了不正确的学习对空燃比控制的影响。

8. 发明授权

US06741924B2 Apparatus and method for engine cylinder intake air quantity calculation 失效
标题翻译：发动机气缸进气量计算装置及方法
公开(公告)号：US06741924B2
公开(公告)日：2004-05-25
申请号：US10058294
申请日：2002-01-30
申请人： Tetsuya Iwasaki , Yoshiaki Yoshioka , Hatsuo Nagaishi
发明人： Tetsuya Iwasaki , Yoshiaki Yoshioka , Hatsuo Nagaishi
IPC分类号： G06F1900
CPC分类号： F02D41/18 , F02D13/0203 , F02D13/0253 , F02D13/0261 , F02D41/1401 , F02D41/266 , F02D2041/001 , F02D2041/141 , F02D2041/1433 , F02D2041/1437 , F02D2200/0402 , F02D2200/0408 , F02D2200/0411 , Y02T10/18
摘要： A cylinder intake air mass quantity for an engine is calculated in accordance with the cylinder intake air volume quantity, the manifold air mass quantity and a manifold volume. The cylinder intake air volume quantity is calculated in accordance with a cylinder volume at an intake valve closing timing. The manifold air mass quantity is calculated from a balance between an intake manifold inflow air mass quantity and an intake manifold outflow air mass quantity. The manifold inflow air mass quantity Qa·&Dgr;t is reset to a minimum setting value when an engine stop state with no intake air induction is detected.
摘要翻译：根据气缸进气量，歧管空气质量和歧管体积计算发动机的气缸进气量质量。气缸进气量体积量根据进气门关闭时刻的气缸容积计算。从进气歧管流入空气质量和进气歧管流出空气质量之间的平衡来计算歧管空气质量。当检测到没有进气感应的发动机停止状态时，歧管流入空气质量Qa.Deltat被重置为最小设定值。

9. 发明授权

US06328007B1 Internal cylinder intake-air quantity calculating apparatus and method for variable valve open/closure timing controlled engine 失效
标题翻译：用于可变阀打开/关闭定时控制的发动机的内部气缸进气量计算装置和方法
公开(公告)号：US06328007B1
公开(公告)日：2001-12-11
申请号：US09634008
申请日：2000-08-07
申请人： Takahiko Hirasawa , Yoshiaki Yoshioka , Hatsuo Nagaishi
发明人： Takahiko Hirasawa , Yoshiaki Yoshioka , Hatsuo Nagaishi
IPC分类号： F01L134
CPC分类号： F02D41/0002 , F01L9/04 , F02D13/0215 , F02D13/0234 , F02D13/0253 , F02D41/18 , F02D2041/001 , F02D2200/0402 , F02M26/01 , Y02T10/18 , Y02T10/42
摘要： In apparatus and method for calculating an internal cylinder intake-air quantity for a variable valve timing controlled engine, an air quantity flowing into the intake manifold from an output of an airflow meter is calculated, the airflow meter being installed in an upstream portion of an intake manifold with respect to an intake valve whose at lease closure timing is variably controlled, a cylinder volume of a corresponding cylinder of the engine is calculated, an income and outgo of an air quantity flowing into the intake manifold and a cylinder intake-air quantity flowing from the intake manifold into the corresponding cylinder is calculated to derive an air quantity in the intake manifold, the internal cylinder intake-air quantity is calculated on the basis of the air quantity of the intake manifold and the cylinder volume, and the calculated cylinder volume is corrected on the basis of at least valve closure timing of the intake valve. The calculated internal cylinder intake-air quantity is used to calculate a fuel injection quantity to be supplied to the corresponding cylinder through a fuel injector.
摘要翻译：在用于计算可变气门正时控制发动机的内部气缸进气量的装置和方法中，计算从气流计的输出流入进气歧管的空气量，将气流计安装在进气歧管相对于其可变控制的至少闭合时间的进气阀，计算发动机的相应气缸的气缸体积，流入进气歧管的空气量的收入和出口以及气缸进气量计算从进气歧管流入相应的气缸中以导出进气歧管中的空气量，基于进气歧管的气量和气缸体积计算内部气缸吸入空气量，并且计算出的气缸基于进气阀的至少阀关闭正时校正体积。计算出的内部气缸进气量用于计算通过燃料喷射器供应到相应气缸的燃料喷射量。

10. 发明授权

US5560339A Fuel injection control system for internal combustion engine 失效
标题翻译：内燃机燃油喷射控制系统
公开(公告)号：US5560339A
公开(公告)日：1996-10-01
申请号：US292144
申请日：1994-08-18
申请人： Yoshiaki Yoshioka , Hatsuo Nagaishi
发明人： Yoshiaki Yoshioka , Hatsuo Nagaishi
IPC分类号： F02D41/04 , F02D41/16 , F02D41/18 , F02D41/34 , F02M51/00
CPC分类号： F02D41/16 , F02D41/04 , F02D41/34 , Y02T10/44
摘要： In a multicylinder internal combustion engine having fuel injection valves for respective cylinders, an improved fuel injection control system includes a first device for detecting the amount of air fed to each cylinder and a second device for calculating a basic fuel injection amount at given intervals on the basis of the detected quantity of state, for weighting the basic fuel injection amount at the given intervals to obtain a substantial fuel injection amount which corresponds to the amount of air fed to the cylinder, and for correcting the substantial fuel injection amount on the basis of a given rate of a variation between the basic fuel injection amount and the substantial fuel injection amount thereby to obtain a final fuel injection amount. The control system also includes a third device for driving each of the injection valves on the basis of the final fuel injection amount.
摘要翻译：在具有用于各个气缸的燃料喷射阀的多缸内燃机中，改进的燃料喷射控制系统包括用于检测供给每个气缸的空气量的第一装置和用于在给定时间间隔上计算基本燃料喷射量的第二装置检测到的状态量的基础，用于以给定间隔对基本燃料喷射量进行加权，以获得与供给到气缸的空气量相对应的实质燃料喷射量，并且基于基本燃料喷射量和实质燃料喷射量之间的变化的给定速率，从而获得最终燃料喷射量。控制系统还包括用于基于最终燃料喷射量驱动每个喷射阀的第三装置。

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