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21. 发明授权

US5459999A Exhaust gas cleaner system for an internal combustion engine with catalytic converter supplied with secondary air 失效
标题翻译：具有二次空气的催化转化器的内燃机排气净化系统
公开(公告)号：US5459999A
公开(公告)日：1995-10-24
申请号：US269681
申请日：1994-07-01
申请人： Yasuhiko Hosoya , Hirofumi Ohuchi , Tatsuhiko Takahashi
发明人： Yasuhiko Hosoya , Hirofumi Ohuchi , Tatsuhiko Takahashi
IPC分类号： F01N3/20 , F01N3/22 , F01N3/30 , F01N13/02 , F02D41/02 , F02P5/04 , F02P5/15
CPC分类号： F01N3/222 , F01N13/009 , F01N3/2006 , F01N3/22 , F01N3/306 , F02D41/024 , F02P5/045 , F02P5/1506 , F02P5/1512 , Y02T10/26 , Y02T10/46
摘要： Exhaust gas cleaner system for an automotive internal combustion engine includes an air introduction pipe 8 for introducing secondary air, heated initially by a heater 23, to the catalytic converter unit 7 mounted on the exhaust pipe 3. The ignition timings of the engine is retarded at least during the time when the secondary air is heated by the heater 23. Preferably, the number of ignition timings are counted by a counter modulo 5, for example, in the case of a four-cylinder engine, and the ignition timings are retarded when the counter content is 3 or 4, such that the ignition timings of the cylinders are retarded intermittently. Alternatively, the retardation of the ignition timings may be terminated before the introduction of the heated secondary air is terminated.Where two first and second catalytic converter units 7a and 7b are provided, secondary air distributed by a change-over valve 10a is heated separately by heaters 23b and 23c.To reduce the burden imposed on the engine, the generation of power by the AC generator 28 may be suspended when either the flow control valve 10b or the heater 23 is operated.
摘要翻译：用于汽车内燃机的废气净化器系统包括用于将初始由加热器23加热的二次空气引入到安装在排气管3上的催化转化器单元7的空气引入管8。发动机的点火正时延迟最少在二次空气被加热器23加热的时间内。优选地，例如在四缸发动机的情况下，以5为计数器对点火正时数进行计数，并且当点火正时被延迟时计数器内容为3或4，使得气缸的点火正时间歇地延迟。或者，可以在终止加热的二次空气的引入之前终止点火正时的延迟。在提供两个第一和第二催化转化器单元7a和7b的情况下，由转换阀10a分配的二次空气由加热器23b和23c单独加热。为了减轻对发动机的负担，当流量控制阀10b或加热器23工作时，交流发电机28产生的动力可能被暂停。

22. 发明授权

US5438827A Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic diagnosis apparatus for the same 失效
标题翻译：用于内燃机和催化诊断装置的双传感器型空燃比控制系统
公开(公告)号：US5438827A
公开(公告)日：1995-08-08
申请号：US308510
申请日：1994-09-21
申请人： Hirofumi Ohuchi , Shinya Fujimoto
发明人： Hirofumi Ohuchi , Shinya Fujimoto
IPC分类号： F01N11/00 , F02D41/14 , F01N3/20
CPC分类号： F02D41/0235 , F01N11/007 , F02D41/1441 , F01N2550/02 , F01N2900/0421 , F01N2900/0422 , F02D2041/1409 , F02D2041/1432 , F02D2041/228 , Y02T10/47
摘要： A dual-sensor type air-fuel ratio control system for an internal combustion engine. A catalytic converter is disposed within an exhaust pipe for purifying an exhaust gas. A first air-fuel ratio sensor 11 is disposed upstream of the catalyst for detecting concentration of a particular component of the exhaust gas to output a first air-fuel ratio signal V1 indicating the concentration. A second air-fuel ratio sensor 12 is disposed downstream of the catalyst for detecting concentration of the particular exhaust gas component to output a second air-fuel ratio signal V2 indicating the concentration. An electronic control unit M8 controls a target air-fuel ratio of a mixture supplied to the engine by arithmetically determining an air-fuel ratio control quantity on the basis of the first and second air-fuel ratio signals.
摘要翻译：一种用于内燃机的双传感器型空燃比控制系统。催化转化器设置在用于净化废气的排气管内。第一空燃比传感器11设置在用于检测排气的特定部件的浓度的催化剂的上游，以输出表示浓度的第一空燃比信号V1。第二空燃比传感器12设置在用于检测特定废气分量的浓度的催化剂的下游，以输出指示浓度的第二空燃比信号V2。电子控制单元M8通过基于第一和第二空燃比信号通过算术确定空燃比控制量来控制供给发动机的混合物的目标空燃比。

23. 发明授权

US5257534A Fault diagnosis device for an exhaust gas recycle control unit 失效
标题翻译：排气再循环控制单元故障诊断装置
公开(公告)号：US5257534A
公开(公告)日：1993-11-02
申请号：US846057
申请日：1992-03-05
申请人： Tadahiro Azuma , Hirofumi Ohuchi
发明人： Tadahiro Azuma , Hirofumi Ohuchi
IPC分类号： F02M25/07 , G01M15/00
CPC分类号： F02M26/49 , F02M26/57
摘要： A fault diagnosis device and process for an exhaust gas recycle control unit of an engine, comprising a return pipe for returning the exhaust gas to an intake pipe, apparatus for opening and closing the return pipe and apparatus for detecting and storing engine operating conditions when the return pipe is opened and closed. The opening and closing apparatus is controlled so that the flow rate of the returned gas is gradually changed when the return pipe is closed from the open state or vice versa.
摘要翻译：一种发动机废气再循环控制单元的故障诊断装置和方法，包括用于将废气返回到进气管的返回管，用于打开和关闭返回管的装置，以及用于检测和存储发动机操作条件的装置回流管打开和关闭。控制打开和关闭装置，使得当返回管从打开状态关闭时反流气体的流量逐渐变化，反之亦然。

24. 发明授权

US5184595A Disorder diagnosis device for fuel injection apparatus 失效
标题翻译：用于燃料喷射装置的障碍诊断装置
公开(公告)号：US5184595A
公开(公告)日：1993-02-09
申请号：US831454
申请日：1992-02-05
申请人： Mie Maeda , Hirofumi Ohuchi
发明人： Mie Maeda , Hirofumi Ohuchi
IPC分类号： F02D41/14 , F02D41/22 , F02D45/00
CPC分类号： F02D41/22 , F02D41/1495
摘要： A disorder diagnosis device for a combustion engine having a fuel injector for each cylinder and a fuel system for supplying fuel to the injector comprises an air-fuel ratio sensor provided at an exhaust tube of the combustion engine for providing an air-fuel ratio signal indicative of an air-fuel ratio, and a control unit responsive to the air-fuel ratio sensor for calculating a first value by comparing the air-fuel ratio signal with a preset value and for calculating a second value by comparing a signal corresponding to the air-fuel ratio signal with a predetermined value so as to decide if the fuel system is in disorder on the basis of a combination of the first and second values.
摘要翻译：具有用于每个气缸的燃料喷射器和用于向喷射器供应燃料的燃料系统的内燃机的无障碍诊断装置包括设置在内燃机的排气管处的空燃比传感器，用于提供指示性的空燃比信号以及控制单元，其响应于所述空燃比传感器，用于通过将所述空燃比信号与预设值进行比较来计算第一值，并且用于通过比较与所述空气相对应的信号来计算第二值 - 燃料比信号，以便基于第一和第二值的组合来确定燃料系统是否处于无序状态。

25. 发明授权

US5154156A Failure diagnosis device of an exhaust gas recirculation control device 失效
标题翻译：废气回收控制装置故障诊断装置
公开(公告)号：US5154156A
公开(公告)日：1992-10-13
申请号：US778297
申请日：1991-10-16
申请人： Hirofumi Ohuchi
发明人： Hirofumi Ohuchi
IPC分类号： F02D41/22 , F02M25/07
CPC分类号： F02M26/57 , F02M26/49 , F02D41/0055
摘要： A failure diagnosis device of an exhaust gas recirculation control device which comprises a recirculation pipe for recirculating the exhaust gas of the internal combustion engine to an intake air pipe; a recirculation valve for controlling a flow quantity of the exhaust gas flowing in the recirculation pipe; a recirculation valve passage area controlling means for controlling a passage area of the recirculation valve; a running condition detecting means for detecting a running condition of the internal combustion engine; a first detected value memorizing means for memorizing a first detected value which is detected by the running condition detecting means when the passage area of the recirculation valve is in a first state of being wide, by the recirculation valve passage area controlling means; a second detected value memorizing means for memorizing a second detected value which is detected by the running condition detecting means when the passage are of the recirculation valve is in a second state of being zero, by the recirculation valve passage area controlling means; a calculating and correcting means for calculating a difference value between the first detected value and the second detected value and for correcting the difference value based on on of the first and the second detected values; a determining means for determining whether the corrected value is in a predetermined range; and an alarming means for alarming when the determining means determines that the corrected value is out of the predetermined range.
摘要翻译：一种废气再循环控制装置的故障诊断装置，包括：用于将内燃机的废气再循环到进气管道的再循环管道; 用于控制在再循环管中流动的废气的流量的再循环阀; 再循环阀通道区域控制装置，用于控制再循环阀的通道面积; 运行条件检测装置，用于检测内燃机的运行状态; 第一检测值存储装置，用于当再循环阀通道区域控制装置在再循环阀的通道面积处于第一状态时，存储由行驶状态检测装置检测到的第一检测值; 第二检测值存储装置，用于当所述再循环阀的通道处于零的第二状态时，存储由所述行驶状态检测装置检测到的第二检测值，所述第二检测值存储装置通过所述再循环阀通道区域控制装置; 计算和校正装置，用于计算第一检测值和第二检测值之间的差值，并且用于基于第一和第二检测值的差异校正差值; 确定装置，用于确定校正值是否在预定范围内; 以及当确定装置确定校正值在预定范围之外时用于报警的报警装置。

26. 发明授权

US5033432A Idle speed control apparatus and method for an internal combustion engine 失效
标题翻译：怠速调速装置及内燃机的方法
公开(公告)号：US5033432A
公开(公告)日：1991-07-23
申请号：US588225
申请日：1990-09-26
申请人： Hirofumi Ohuchi , Tadahiro Azuma
发明人： Hirofumi Ohuchi , Tadahiro Azuma
IPC分类号： F02D41/08 , F02D31/00
CPC分类号： F02D31/005
摘要： An improved idle speed control apparatus for an internal combustion engine capable of effectively preventing instantaneous fluctuations in the number of revolutions per minute of the engine when the engine load is instantaneously changed during engine idling, thereby improving the driver's driving sensation. A bypass passage is connected with an intake manifold of the engine for supplying intake air to the engine while bypassing a throttle valve in the intake manifold. A bypass air controller is disposed on the bypass passage for controlling the amount of bypass air flowing therethrough. In one embodiment, the bypass air controller operates such that when the engine load is altered instantaneously during the engine idling, the amount of intake air is gradually changed from a first level suited to a first operating condition of the engine load to a second level suited to a second opeating condition of the engine load. In another embodiment, the amount of intake air is first changed swiftly from the first level to a third level, and then gradually from the third level to the second level.
摘要翻译：一种用于内燃机的改进的怠速控制装置，其能够有效地防止在发动机怠速期间发动机负载瞬时变化时发动机的每分钟转数的瞬时波动，从而改善驾驶员的驾驶感觉。旁通通道与发动机的进气歧管连接，用于在旁路进气歧管中的节气门的同时向发动机供应进气。旁通空气控制器设置在旁路通道上，用于控制流过其中的旁路空气量。在一个实施例中，旁路空气控制器操作，使得当在发动机怠速期间瞬时改变发动机负载时，进气量从适合于发动机负载的第一操作状态的第一水平逐渐变化到适合于达到发动机负荷的第二次起飞状态。在另一个实施例中，进气量首先从第一水平迅速地变化到第三水平，然后逐渐从第三水平改变到第二水平。

27. 发明授权

US4996964A Backup apparatus for ignition and fuel system 失效
标题翻译：点火和燃油系统备用装置
公开(公告)号：US4996964A
公开(公告)日：1991-03-05
申请号：US551346
申请日：1990-07-12
申请人： Hirofumi Ohuchi
发明人： Hirofumi Ohuchi
IPC分类号： F02D41/22 , F02D41/26 , F02D43/00 , F02D45/00 , F02P5/15 , F02P11/06 , F02P15/00
CPC分类号： F02P11/06 , F02D41/266 , F02P15/008
摘要： A backup apparatus for ignition and fuel system provided with an ignition system backup circuit and a fuel system backup circuit to be used in case of a breakdown of a main circuit. The fuel system backup circuit outputs a drive signal to a fuel injection valve by using either an ignition signal for an ignition device from the ignition system backup circuit, or an ignition diagnosis signal from the ignition device as a trigger timing. When the ignition system backup circuit breaks down, neither the ignition signal from the ignition system backup circuit nor the ignition diagnosis signal from the ignition, device is generated, so that the supply of fuel to the engine is stopped.
摘要翻译：一种用于点火和燃料系统的备用装置，其具有点火系统备用电路和用于在主电路故障的情况下使用的燃料系统备用电路。燃料系统备用电路通过使用来自点火系统备用电路的点火装置的点火信号或来自点火装置的点火诊断信号作为触发时间向燃料喷射阀输出驱动信号。当点火系统备用电路故障时，点火系统备用电路的点火信号和点火装置的点火诊断信号都不产生，从而停止向发动机供油。

28. 发明授权

US06532940B1 Fuel injection control system for cylinder injection type internal combustion engine 失效
标题翻译：气缸喷射式内燃机燃油喷射控制系统
公开(公告)号：US06532940B1
公开(公告)日：2003-03-18
申请号：US09702815
申请日：2000-11-01
申请人： Takahiko Ono , Norihisa Fukutomi , Hirofumi Ohuchi
发明人： Takahiko Ono , Norihisa Fukutomi , Hirofumi Ohuchi
IPC分类号： H01H716
CPC分类号： F02D41/20 , F02D2200/0602 , F02D2200/503
摘要： A fuel injection control system of low cost for a cylinder injection type internal combustion engine, which system is capable of preventing degradation of fuel injection quantity accuracy which may be brought about by disturbances such as change of a battery voltage, change of resistance of a plunger coil of the fuel injection valve (1) and change of the fuel pressure (Fp) acting on the fuel injection valve (1) which may occur in the course of overexcitation driving of the fuel injection valve (1) at a battery voltage, to thereby allow the fuel injection quantity control to be secured for the fuel injection valve (1) over an extended range. The fuel injection control system includes an overexcitation drive means (2) for outputting a overexcitation current to the fuel injection valve (1) at a battery voltage, a holding drive means (3) for outputting a holding current smaller than the overexcitation current for holding the fuel injection valve (1) in a valve open state, a fuel injection valve control means (4) for changing over output operation of the overexcitation drive means (2) with output operation of the holding drive means (3) to thereby control driving operation for the fuel injection valve (1), and a switching time-point change means (6) for changing a time point for switching the output operation of the overexcitation drive means (2) to the output operation of the holding drive means (3).
摘要翻译：一种用于汽缸喷射型内燃机的低成本燃料喷射控制系统，该系统能够防止由电池电压的变化，柱塞的电阻变化引起的燃料喷射量精度的降低燃料喷射阀（1）的线圈和作用在燃料喷射阀（1）上的燃料压力（Fp）的变化，其可能在燃料喷射阀（1）以电池电压的过度驱动过程中发生，改变为从而允许燃料喷射阀（1）的燃料喷射量控制在一个延伸的范围内。燃料喷射控制系统包括用于以电池电压向燃料喷射阀（1）输出过励磁电流的过励磁驱动装置（2），用于输出小于过冲击电流的保持电流的保持驱动装置（3）燃料喷射阀（1）处于阀打开状态，燃料喷射阀控制装置（4），用于通过保持驱动装置（3）的输出操作来改变过激励驱动装置（2）的输出操作，从而控制驱动用于燃料喷射阀（1）的操作和用于将用于将过励磁驱动装置（2）的输出操作切换到保持驱动装置（3）的输出操作的时间点的切换时间点改变装置（6））。

29. 发明授权

US06213067B1 Control device for internal combustion engine 失效
标题翻译：内燃机控制装置
公开(公告)号：US06213067B1
公开(公告)日：2001-04-10
申请号：US09439280
申请日：1999-11-15
申请人： Tatsuhiko Takahashi , Takeshi Kawakami , Atsuko Hashimoto , Hirofumi Ohuchi
发明人： Tatsuhiko Takahashi , Takeshi Kawakami , Atsuko Hashimoto , Hirofumi Ohuchi
IPC分类号： F02B7708
CPC分类号： F02D13/0238 , F01L1/34 , F01L1/46 , F02B2275/18 , F02D13/0261 , F02D41/009 , F02D41/365 , F02D2041/001 , Y02T10/18
摘要： A control device for an internal combustion engine includes a crank angle detecting device, which detects the crank angle of the internal combustion engine; a cam angle detecting device, which is installed in a variable cam shaft which variably rotates with respect to a crank shaft and detects a cam angle; a device for generating a cylinder identifying signal, which is separately located from the cam angle detector and generates the cylinder identifying signal, which identifies cylinders of the internal combustion engine; a device for varying valve timing, which varies the cam angle with respect to the crank angle; a valve timing controller, which controls the varying valve timing device; and a mechanism for controlling the internal combustion engine even when the cam angle detecting device is troubled because a control of supplying fuel and igniting is based on an identification of the cylinders by a signal from the device for generating the cylinder identifying signal.
摘要翻译：用于内燃机的控制装置包括检测内燃机的曲柄角的曲柄角检测装置; 凸轮角度检测装置，其安装在相对于曲轴可变地旋转并检测凸轮角度的可变凸轮轴中; 用于产生气缸识别信号的装置，其与所述凸轮角度检测器分开定位并产生识别所述内燃机的气缸的气缸识别信号; 用于改变相对于曲柄角度的凸轮角度的气门正时的装置; 阀门正时控制器，其控制变化的气门正时装置; 以及即使当由于来自用于产生气缸识别信号的装置的信号的气缸的识别而提供燃料和点燃的控制时，即使当凸轮角度检测装置发生故障时，也控制内燃机的机构。

30. 发明授权

US06196173B1 Valve timing control system for internal combustion engine 有权
标题翻译：内燃机气门正时控制系统
公开(公告)号：US06196173B1
公开(公告)日：2001-03-06
申请号：US09435030
申请日：1999-11-05
申请人： Tatsuhiko Takahashi , Atsuko Hashimoto , Satoshi Wachi , Hirofumi Ohuchi
发明人： Tatsuhiko Takahashi , Atsuko Hashimoto , Satoshi Wachi , Hirofumi Ohuchi
IPC分类号： F02D1302
CPC分类号： F02D13/0219 , F02D13/0238 , F02D13/0261 , F02D41/0002 , F02D41/2441 , F02D41/2464 , F02D2013/0292 , F02D2041/001 , Y02T10/18 , Y02T10/42
摘要： A valve timing control system comprises a learning means for learning the phase difference between the crank angle and the cam angle at a position where the variable valve timing means is stopped mechanically and a valve timing control variable calculating means for calculating a valve timing control variable, for driving the variable valve timing means, on the basis of a deviation between the phase difference value learned by the learning means and the phase difference calculated by the advance amount calculating means. The learning means learns the phase difference between the crank angle and the cam angle at the mechanically stopped position when the internal combustion engine is not idling. Thus, errors resulting from the operating force of a cam shaft are not included in the maximum retardation value, which ensures precise learning of the maximum retardation value and high-precision valve timing control.
摘要翻译：气门正时控制系统包括学习装置，用于学习在可变气门正时装置机械停止的位置处的曲柄角和凸轮角之间的相位差;以及气门正时控制变量计算装置，用于计算气门正时控制变量，用于根据由学习装置学习的相位差值与由提前量计算装置计算的相位差之间的偏差来驱动可变气门正时装置。在内燃机不空转的情况下，学习装置学习曲柄角与机械停止位置的凸轮角之间的相位差。因此，由于凸轮轴的作用力产生的误差不包含在最大延迟值中，这确保了最大延迟值的精确学习和高精度的气门正时控制。

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