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公开(公告)号：US5694900A
公开(公告)日：1997-12-09
申请号：US742828
申请日：1996-10-31
申请人： Shingo Morita , Wataru Fukui , Shuichi Wada
发明人： Shingo Morita , Wataru Fukui , Shuichi Wada
CPC分类号： F02P17/12
摘要： A knock control system for an internal combustion engine which subjects a knock signal waveform superposed on an ionic current to pulse processing so as to improve a signal-to-noise (SN) ratio, thereby achieving higher reliability thereof without adding to cost. The knock control system for the internal combustion engine is equipped with: a device for deciding the ignition timing for each cylinder based on a crank angle signal; an ignition coil which applies high voltage to spark plugs according to the ignition timing; a device for detecting an ionic current flowing through an ignited spark plug; a device for detecting a knock from an ionic current detection signal; a device for correcting the ignition timing by delaying it when a knock has been detected; a waveform processing device for extracting a knock signal waveform from the ionic current detection signal in the form of a knock pulse string; and a counter for counting the number of pulses from the pulse edges of the knock pulse string. A knock controller decides the amount of delay based on the count value of the pulses.
摘要翻译： 一种用于内燃机的爆震控制系统，其将叠加在离子电流上的爆震信号波形进行脉冲处理，以提高信噪比（SN）比，从而在不增加成本的情况下实现更高的可靠性。 用于内燃机的爆震控制系统配备有：用于基于曲柄角信号确定每个气缸的点火正时的装置; 点火线圈，根据点火正时向火花塞施加高压; 用于检测流过点火火花塞的离子电流的装置; 用于从离子电流检测信号检测敲击的装置; 用于通过在检测到爆震时将其延迟来校正点火正时的装置; 波形处理装置，用于从爆震脉冲串形式的离子电流检测信号中提取爆震信号波形; 以及用于对来自爆震脉冲串的脉冲边缘的脉冲数进行计数的计数器。 爆震控制器根据脉冲的计数值来决定延迟量。
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公开(公告)号：US5701876A
公开(公告)日：1997-12-30
申请号：US742893
申请日：1996-11-01
申请人： Shingo Morita , Wataru Fukui , Shuichi Wada
发明人： Shingo Morita , Wataru Fukui , Shuichi Wada
CPC分类号： F02P17/12
摘要： A misfire detecting apparatus for an internal combustion engine which can ensure enhanced reliability for detection of the misfire event by suppressing the so-called after-burning ion current generated in an engine cylinder controlled in precedence and superposed on a normal or regular ion current generated in a cylinder controlled in succession. The apparatus includes a bias voltage supplying means (9a, 9b) for applying a bias voltage (VBi) to the spark plugs (8a to 8d) by way of the high-voltage diodes (11a to 11d), an ion current detecting means for detecting ion currents (i) flowing through the spark plugs and an electronic control unit (2) for driving the ignition coil (4) and determining misfire event in the internal combustion engine on the basis of the ion current detection signal (Gia, Gib). The ion current detecting means includes a plurality of ion current detecting circuits for detecting ion currents in the engine cylinders belonging to a plurality of cylinder groups. The engine cylinders belonging to each cylinder group are so selected as not to be controlled in succession for ignition. In making misfire decision, the electronic control unit (2) makes use of the ion current detection signal derived from the ion current detection circuit means provided in association with the cylinder group which includes the engine cylinder currently subjected to the ignition control.
摘要翻译： 一种用于内燃机的失火检测装置，其可以通过抑制在优先控制的发动机气缸中产生的所谓的再燃烧离子电流并且叠加在正常或规则的离子电流中产生的正常或规则离子电流，从而确保提高用于检测失火事件的可靠性 一个连续控制的气缸。 该装置包括用于通过高压二极管（11a至11d）向火花塞（8a至8d）施加偏置电压（VBi）的偏置电压提供装置（9a，9b），用于 检测流过火花塞的离子流（i）和用于驱动点火线圈（4）的电子控制单元（2），并且基于离子电流检测信号（Gia，Gib）确定内燃机中的失火事件， 。 离子电流检测装置包括用于检测属于多个气缸组的发动机气缸中的离子电流的多个离子电流检测电路。 属于每个气缸组的发动机气缸被选择为不被连续控制用于点火。 在进行失火判定时，电子控制单元（2）利用与包括当前经受点火控制的发动机气缸的气缸组相关联设置的离子电流检测电路装置导出的离子电流检测信号。
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公开(公告)号：US5861551A
公开(公告)日：1999-01-19
申请号：US886467
申请日：1997-07-01
申请人： Shingo Morita , Wataru Fukui
发明人： Shingo Morita , Wataru Fukui
CPC分类号： G01M15/042 , F02B77/08 , F02B77/085 , F02P17/12 , F02D35/021 , F02P2017/125
摘要： An combustion state detecting apparatus for an internal-combustion engine is equipped with: an ignition coil (4) for applying a high voltage (V2) for igniting to the spark plugs (8a through 8d) of the cylinders of an internal-combustion engine; an ionic current detecting circuit for applying a bias voltage (VBi) to at least one spark plug to detect ionic currents (ia, ib) flowing via the spark plug which has just been subjected to ignition control; comparator circuits (14a, 14b) which compare detected ionic current signals (Eia, Eib) with threshold values (TH1, TH2) and turn them into ionic current pulses (Gia, Gib); and an ECU (2A) which drives the ignition coil according to a crank angle signal (SGT) and determines the combustion state of the internal-combustion engine. The ECU changes the threshold values for each ignition control and judges the combustion state according to the respective threshold values and the state in which the ionic current pulses are generated.
摘要翻译： 一种用于内燃机的燃烧状态检测装置配备有：点火线圈（4），用于施加用于点燃内燃机的气缸的火花塞（8a至8d）的高电压（V2）; 离子电流检测电路，用于向至少一个火花塞施加偏置电压（VBi），以检测流经刚刚经过点火控制的火花塞的离子电流（ia，ib）; 将检测到的离子电流信号（Eia，Eib）与阈值（TH1，TH2）进行比较并将其转换成离子电流脉冲（Gia，Gib）的比较器电路（14a，14b）; 以及根据曲柄角信号（SGT）驱动点火线圈并确定内燃机的燃烧状态的ECU（2A）。 ECU改变每个点火控制的阈值，并根据各自的阈值和产生离子电流脉冲的状态来判断燃烧状态。
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公开(公告)号：US5181498A
公开(公告)日：1993-01-26
申请号：US794231
申请日：1991-11-19
申请人： Mitsuru Koiwa , Shingo Morita
发明人： Mitsuru Koiwa , Shingo Morita
CPC分类号： F02P3/02 , F02P3/0884
摘要： An ignition apparatus for an internal combustion engine is able to reduce generation of noise and energy loss due to wiring to a substantial extent. A capacitor 4 is connected at one end thereof to a DC power supply so as to be charged thereby, and at the other end thereof to an ignition coil 5. A switching element 9 is connected between the capacitor and a primary winding of the ignition coil to form part of a discharge path through which the capacitor discharges. The switching element is made conductive by means of an ignition or trigger signal which is generated by a signal generator in synchronism with the rotation of the engine, so that the charged capacitor discharges through the primary winding of the ignition coil. The capacitor, the ignition coil and the switching element are formed integrally with each other, housed in a single casing 13 and connected to each other without the use of a wire harness.
摘要翻译： 用于内燃机的点火装置能够在很大程度上减少由于布线引起的噪声和能量损失的产生。 电容器4的一端连接到直流电源，由此被充电，另一端连接到点火线圈5.开关元件9连接在电容器和点火线圈的初级绕组之间 以形成电容器放电的放电路径的一部分。 通过与发动机的旋转同步的信号发生器产生的点火或触发信号使开关元件导通，使得充电的电容器通过点火线圈的初级绕组放电。 电容器，点火线圈和开关元件彼此一体形成，容纳在单个壳体13中并且不使用线束彼此连接。
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5.发明授权公开(公告)号：US06340303B2
公开(公告)日：2002-01-22
申请号：US09496335
申请日：2000-02-02
申请人： Kazuya Hamada , Shingo Morita , Shigemi Murata , Mitsuru Koiwa
发明人： Kazuya Hamada , Shingo Morita , Shigemi Murata , Mitsuru Koiwa
IPC分类号： H01R1344
CPC分类号： H01R13/2421 , H01T13/04
摘要： To provide a high tension connection portion structure for an ignition device for an internal combustion engine, which may prevent an instantaneous breakdown of the connection even if an external force is applied to a high tension connection portion, may enhance a connection property of the high tension connection portion by suppressing a sliding movement between metal terminals of the connection portion and may be applied to the path of a minute current such as an ionic current or the like, a connecting structure of a high tension connection portion used in an ignition device for an internal combustion engine, includes: a first high tension connection terminal 2; a second high tension connection terminal 4 for electrically connecting with the first high tension connection terminal 2; a locking mechanism 2a provided between the first high tension connection terminal 2 and the second high tension connection terminal 4 for restricting the separation therebetween in the axial direction; and a spring member 7 disposed between the first high tension connection terminal 2 and the second high tension connection terminal 4.
摘要翻译： 为了提供用于内燃机的点火装置的高张力连接部分结构，即使外力施加到高压连接部分上也可以防止连接的瞬时破裂，可以增强高张力的连接特性 连接部分通过抑制连接部分的金属端子之间的滑动运动，并且可以施加到诸如离子电流等的微小电流的路径上，用于在点火装置中使用的高压连接部分的连接结构 内燃机包括：第一高压连接端子2; 用于与第一高压连接端子2电连接的第二高压连接端子4; 设置在第一高压连接端子2和第二高压连接端子4之间的用于限制其间的间隔的锁定机构2a; 以及设置在第一高压连接端子2和第二高压连接端子4之间的弹簧部件7。
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公开(公告)号：US5183024A
公开(公告)日：1993-02-02
申请号：US769318
申请日：1991-10-01
申请人： Shingo Morita , Mitsuru Koiwa
发明人： Shingo Morita , Mitsuru Koiwa
IPC分类号： F02P3/08
CPC分类号： F02P3/0838 , F02P3/0884
摘要： An ignition device for an internal combustion engine including: a DC power source; a convertor for raising the voltage of the DC power source to a predetermined voltage; a charge storing device arranged to be charged with the output from the convertor; an ignition coil; an ignition signal generator for generating an ignition signal in synchronization with the rotation of the internal combustion engine; a switch which is switched on in response to the ignition signal generated by the ignition signal generator to discharge a charge stored in the charge storing device through the ignition coil; and a controller for stopping the operation of the convertor during a period in which the ignition signal is being transmitted from the ignition signal generator.
摘要翻译： 一种用于内燃机的点火装置，包括：直流电源; 用于将所述直流电源的电压提高到预定电压的转换器; 电荷存储装置，被布置成对来自转换器的输出进行充电; 点火线圈; 点火信号发生器，用于与内燃机的旋转同步地产生点火信号; 开关，其响应于由点火信号发生器产生的点火信号而接通，以通过点火线圈放电存储在电荷存储装置中的电荷; 以及控制器，用于在点火信号从点火信号发生器发送的期间停止转换器的动作。
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公开(公告)号：US5603307A
公开(公告)日：1997-02-18
申请号：US582437
申请日：1996-01-03
申请人： Shingo Morita , Mitsuru Koiwa
发明人： Shingo Morita , Mitsuru Koiwa
CPC分类号： F02P3/02 , F02P3/0552 , H01F38/12
摘要： An ignition coil for an internal combustion engine to suppress the superposition of a noise signal caused by a capacitive discharge current at an ignition plug to thereby prevent the faulty operation of other circuit devices. The ignition coil has first and second non-magnetic bobbins into which a magnetic core 3 is inserted, a primary coil (1) wire wound around the first bobbin, a secondary coil (2) wire wound around the second bobbin, an interrupting circuit 7 connected to one end of the primary coil for interrupting a primary current i1 flowing to the primary coil, and an ignition plug 5 connected to one end of the secondary coil for generating a discharge spark by a secondary voltage V2 output from the secondary coil. A buffer coil 8 having an inductance which is much smaller than that of the primary or secondary coil is connected in series with one of them.
摘要翻译： 一种用于内燃机的点火线圈，用于抑制由火花塞处的电容放电电流引起的噪声信号的叠加，从而防止其他电路装置的故障操作。 点火线圈具有插入磁芯3的第一和第二非磁性线轴，围绕第一线圈架缠绕的初级线圈（1）线圈，缠绕在第二线圈架上的次级线圈（2）线，中断电路7 连接到初级线圈的一端以中断流过初级线圈的初级电流i1，以及火花塞5，其连接到次级线圈的一端，用于通过从次级线圈输出的次级电压V2产生放电火花。 具有小于初级或次级线圈的电感的电感的缓冲线圈8与它们中的一个串联连接。
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公开(公告)号：US5215066A
公开(公告)日：1993-06-01
申请号：US959404
申请日：1992-10-13
申请人： Takafumi Narishige , Shingo Morita , Mitsuru Koiwa
发明人： Takafumi Narishige , Shingo Morita , Mitsuru Koiwa
CPC分类号： F02P9/007 , F02P3/0869 , F02P3/0892 , F02P9/002
摘要： An LCDI-type ignition apparatus for an internal combustion engine includes first and second capacitors connected to an ignition coil and a voltage source for generating a charging voltage for the capacitors. The first capacitor is for producing an initial discharge of a spark plug, and the second capacitor is for lengthening the discharge of the spark plug after discharge has been initiated by the first capacitor. In one form of the invention, the second capacitor is charged only after the first capacitor has been charged by the voltage source to a prescribed voltage sufficient to produce a suitable discharge of the spark plug. As a result, even when the engine is operating at a high rotational speed and the time between consecutive firings of the engine is small, an adequate ignition voltage can be obtained. In another form of the invention, the charging voltage(s) of one or both of the capacitors is or are varied in accordance with the one or more engine operating conditions. Each charging voltage can be controlled to the minimum necessary value based on the present engine operating conditions.
摘要翻译： 用于内燃机的LCDI型点火装置包括连接到点火线圈的第一和第二电容器以及用于产生电容器的充电电压的电压源。 第一电容器用于产生火花塞的初始放电，并且第二电容器用于在由第一电容器启动放电之后延长火花塞的放电。 在本发明的一种形式中，第二电容器仅在第一电容器已被电压源充电到足以产生适当的火花塞放电的规定电压之后进行充电。 因此，即使在发动机以高转速运转，发动机连续起动之间的时间小的情况下，也能够获得足够的点火电压。 在本发明的另一种形式中，一个或两个电容器的充电电压根据一个或多个发动机工作条件而变化或者是变化的。 基于目前的发动机工作条件，可将每个充电电压控制到最小必要值。
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9.发明授权公开(公告)号：US06211763B1
公开(公告)日：2001-04-03
申请号：US08867807
申请日：1997-06-03
申请人： Shingo Morita
发明人： Shingo Morita
IPC分类号： H01F2100
CPC分类号： H01F38/12
摘要： To drastically increase output energy generated by means of an electromagnetic function in a small-sized ignition coil apparatus having a plurality of magnetic circuits arranged around and coaxially with a hole for passing therethrough a shaft. The primary coil 4 and the secondary coil 5 are stored in the container 3 formed in the synthetic resin case 1 and arranged around and coaxially with the hole 2 for passing therethrough the shaft rotating in synchronization with the rotation of the internal combustion engine, cores 6 for forming a plurality of magnetic circuits for magnetically coupling the primary coil 4 and the secondary coil 5 by supplying electricity to the primary coil 4 are also stored in the container, the permanent magnet 10 is arranged in at least one of the magnetic circuits formed by the plurality of cores 6 to provide the cores with a magnetic flux 12 opposite in direction to the magnetic flux 11 of the magnetic circuit, and the plurality of cores 6 cancel the magnetic flux 12 caused by the permanent magnet 10 by supplying electricity to the primary coil 4 and generate a saturated magnetic flux which is large enough to saturate the cores 6, thereby making it possible to reduce the number of permanent magnets 10 as well as the number of assembly steps.
摘要翻译： 在具有多个磁路的小型点火线圈装置中，通过电磁功能大幅提高输出能量，该多个磁路布置在与孔相通并与轴同轴的位置，用于穿过轴穿过。初级线圈4和次级线圈5被存储 在形成在合成树脂壳体1中的容器3中，并且与孔2同轴配置，用于与内燃机的旋转同步地旋转的轴，用于形成用于磁耦合的多个磁路的芯6 初级线圈4和次级线圈5通过向初级线圈4供电也被存储在容器中，永磁体10被布置在由多个芯6形成的至少一个磁路中，以使芯具有 磁通12与磁路的磁通11的方向相反，并且多个磁芯6取消磁体 c通量12由永磁体10通过向初级线圈4供电并产生足够大的饱和磁通量使饱和磁芯6饱和，从而使得可以减少永磁体10的数量以及数量 的装配步骤。
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公开(公告)号：US5615659A
公开(公告)日：1997-04-01
申请号：US625115
申请日：1996-04-01
申请人： Shingo Morita , Mitsuru Koiwa
发明人： Shingo Morita , Mitsuru Koiwa
CPC分类号： F02P3/02 , F02P3/0552 , H01F27/367 , H01F38/12
摘要： Disclosed is an ignition apparatus for an internal combustion engine including a power switch 20 for intermittently feeding a primary current to an ignition coil, a primary coil 5 and a secondary coil 6 of the ignition coil being contained in an insulation case 1 with the power switch 20, primary coil 5 and secondary coil 6 being fixed by an insulating resin material 15 poured into the insulation case 1, the ignition apparatus comprising a shield plate 23 interposed between the secondary coil 6 and the power switch 20 to shield the power switch 20 from electromagnetic waves. With this arrangement, there can be obtained an ignition apparatus for an internal combustion engine by which the malfunction of the power switch and the like caused by electromagnetic waves generated at the ignition coil can be prevented.
摘要翻译： 公开了一种用于内燃机的点火装置，其包括用于间歇地向点火线圈供电的电源开关20，点火线圈的初级线圈5和次级线圈6包含在具有电源开关的绝缘壳体1中 如图20所示，初级线圈5和次级线圈6由注入绝缘壳体1的绝缘树脂材料15固定，点火装置包括插入在次级线圈6和电源开关20之间的屏蔽板23，以将电源开关20从 电磁波。 通过这种布置，可以获得一种用于内燃机的点火装置，由此可以防止由点火线圈产生的电磁波引起的电源开关等的故障。
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