公开(公告)号：US20110239998A1

公开(公告)日：2011-10-06

申请号：US12853942

申请日：2010-08-10

申请人： Futoshi AIDA ,  Hiroshi OKUDA ,  Yuichi MURAMOTO ,  Yusuke NARUSE

发明人： Futoshi AIDA ,  Hiroshi OKUDA ,  Yuichi MURAMOTO ,  Yusuke NARUSE

IPC分类号： F02P3/02

CPC分类号： F02P3/0876 ,  F02D2041/2003 ,  F02D2041/2006 ,  F02P3/01 ,  F02P9/007 ,  F02P11/00

摘要： A plasma power supply circuit includes a DC/DC converter connected to a DC power supply and outputting a DC voltage, a voltage limit circuit limiting an output voltage from the DC/DC converter to a predetermined value, a PJ capacitor connected to an output end of the DC/DC converter and charged with electric energy used to generate a plasma in a discharge space of the spark plug, and a high-voltage switch connected between the PJ capacitor and the DC/DC converter and controlled to switch ON and OFF so that a charge period of the PJ capacitor is controlled according to running conditions of the internal combustion engine. Hence, the plasma ignition device can prevent damage on an electronic component incorporated therein even at the occurrence of a short and lessen damage on the internal combustion engine caused by an erroneous plasma jet ejection, wearing of the spark plug, and power consumption.

摘要翻译： 等离子体电源电路包括连接到直流电源并输出直流电压的DC / DC转换器，将DC / DC转换器的输出电压限制在预定值的电压限制电路，连接到输出端的PJ电容器 的DC / DC转换器，并且充电用于在火花塞的放电空间中产生等离子体的电能，以及连接在PJ电容器和DC / DC转换器之间并被控制为接通和断开的高压开关 根据内燃机的运行条件来控制PJ电容器的充电期间。 因此，等离子体点火装置即使在错误的等离子体喷射喷射，火花塞的磨损和功率消耗引起的对内燃机的短时间和短时间的损坏的发生中也可以防止其中所包含的电子部件的损坏。

公开(公告)号：US20110106395A1

公开(公告)日：2011-05-05

申请号：US12760223

申请日：2010-04-14

申请人： Futoshi AIDA ,  Yusuke NARUSE ,  Hiroshi OKUDA

发明人： Futoshi AIDA ,  Yusuke NARUSE ,  Hiroshi OKUDA

IPC分类号： F02D45/00 ,  F02P23/04

CPC分类号： F02P23/04 ,  F02D2041/2003 ,  F02P3/04 ,  F02P3/0442 ,  F02P3/0876 ,  F02P11/06

摘要： A plasma ignition device comprising: an ignition plug; an ignition circuit applying a high voltage to the plug to start discharge; a power supply circuit including a battery section for supplying an electric energy to a discharge space of the plug having impedance reduced by discharge start, and a charging section charging the battery section with a boosted voltage by a booster circuit, wherein the power supply circuit including: a first means 610 for stopping a boosting operation of the booster circuit when the charging section voltage is equal or higher than a first reference for high-voltage abnormality; a second means 630 for detecting the charging section abnormal voltage by comparison with a second reference for low-voltage abnormality for detecting ground to conduct a given control on the power supply circuit; a third means 600 for invalidating the control of the second means until the charging section is sufficiently charged.

摘要翻译： 一种等离子体点火装置，包括：火花塞; 将高电压施加到插头开始放电的点火电路; 电源电路，包括：电池部分，用于向具有通过放电启动减小的阻抗的​​放电空间提供电能;以及充电部分，通过升压电路对升压电压进行充电，其中所述电源电路包括 ：当充电部电压等于或高于用于高电压异常的第一参考值时，用于停止升压电路的升压操作的第一装置610; 第二装置630，用于与用于检测接地的第二低电压异常参考相比较，用于检测充电部异常电压，以对电源电路进行给定的控制; 第三装置600，用于使充电部充电充电之前对第二装置的控制无效。

公开(公告)号：US20110253115A1

公开(公告)日：2011-10-20

申请号：US12855937

申请日：2010-08-13

申请人： Futoshi AIDA ,  Hiroshi OKUDA ,  Yusuke NARUSE

发明人： Futoshi AIDA ,  Hiroshi OKUDA ,  Yusuke NARUSE

IPC分类号： F02P3/02

CPC分类号： F02P9/007 ,  F02P3/01

摘要： To provide a plasma ignition system that can prevent damage on an internal combustion engine due to erroneous ejection of a plasma jet, and further, even when the required voltage of an ignition plug becomes lower, can prevent erroneous ignition by the charged voltage of a PJ capacitor. A plasma power supply circuit of the plasma ignition system includes a voltage-limiting circuit having a first set voltage having an absolute value lower relative to the discharge voltage of the ignition coil, and a second set voltage having an absolute value higher relative to the discharge voltage of the ignition coil, and the first set voltage and the second set voltage are selectively switched according to an operation condition of the internal combustion engine.

摘要翻译： 为了提供能够防止由于等离子体射流的错误喷射而对内燃机造成损坏的等离子体点火系统，而且即使当火花塞的所需电压变低时，也能够防止由PJ的充电电压引起的点火错误 电容器。 等离子体点火系统的等离子体电源电路包括具有相对于点火线圈的放电电压具有绝对值较低的第一设定电压的电压限制电路和相对于放电的绝对值较高的第二设定电压 根据内燃机的运转状况选择性地切换点火线圈的电压，第一设定电压和第二设定电压。

公开(公告)号：US20090183719A1

公开(公告)日：2009-07-23

申请号：US12139110

申请日：2008-06-13

申请人： Futoshi AIDA ,  Yukio Yasuda ,  Yusuke Naruse

发明人： Futoshi AIDA ,  Yukio Yasuda ,  Yusuke Naruse

IPC分类号： F02P3/05

CPC分类号： F02P17/12 ,  F02P2017/125

摘要： An internal combustion engine ignition device is provided in which an ECU (200) includes a pulse generation circuit (201) that outputs pulse signals (Igt1 and Igt2) and an ion-signal detection/control circuit (300), and a coil driver (400) includes a pulse detection circuit (7) that recognizes a signal received from the pulse generation circuit (201) and an ion-current detection circuit (9); when the pulse signals are not outputted, an ion current is detected and a signal is outputted at the same line as a coil-driver input signal line.

摘要翻译： 提供一种内燃机点火装置，其中ECU（200）包括输出脉冲信号（Igt1和Igt2）的脉冲发生电路（201）和离子信号检测/控制电路（300），以及线圈驱动器 400）包括识别从脉冲发生电路（201）接收的信号的脉冲检测电路（7）和离子电流检测电路（9）。 当不输出脉冲信号时，检测离子电流，并且在与线圈驱动器输入信号线相同的线处输出信号。

公开(公告)号：US20120060804A1

公开(公告)日：2012-03-15

申请号：US13014401

申请日：2011-01-26

申请人： Futoshi AIDA ,  Hiroshi Okuda

发明人： Futoshi AIDA ,  Hiroshi Okuda

IPC分类号： F02P3/09

CPC分类号： F02P3/09 ,  F02P3/096

摘要： A power circuit, which supplies plasma energy to a spark plug, includes a DC/DC converter which charges a tank capacitor, a voltage limiting circuit which restricts an output voltage of the converter to a predetermined value, a PJ capacitor which is connected to the output side of the converter and is charged by the tank capacitor, and a high breakdown voltage switch which is connected between the PJ capacitor and the DC/DC converter and controls a charging time period of the PJ capacitor in response to operating conditions of an internal combustion engine; and the power circuit switches a voltage limiting value of the tank capacitor for charging the PJ capacitor in synchronization with a driving signal of the high breakdown voltage switch.

摘要翻译： 向火花塞提供等离子体能量的电源电路包括对容器电容器充电的DC / DC转换器，将转换器的输出电压限制为预定值的限压电路，连接到火花塞的PJ电容器 输出侧，并且由储能电容器充电，以及连接在PJ电容器和DC / DC转换器之间的高击穿电压开关，并响应于内部的操作条件控制PJ电容器的充电时间段 内燃机; 并且电源电路与高击穿电压开关的驱动信号同步地切换用于对PJ电容器充电的储能电容器的电压限制值。

公开(公告)号：US20120293088A1

公开(公告)日：2012-11-22

申请号：US13267562

申请日：2011-10-06

申请人： Kimihiko TANAYA ,  Futoshi AIDA ,  Hiroshi OKUDA ,  Takayoshi NAGAI

发明人： Kimihiko TANAYA ,  Futoshi AIDA ,  Hiroshi OKUDA ,  Takayoshi NAGAI

IPC分类号： H01T15/00

CPC分类号： F02P3/0892 ,  F02P15/10 ,  H01T13/50 ,  H01T15/00

摘要： An ignition apparatus includes: sparking coil supplying a sparking plug with a high voltage; an energy supply device supplying the sparking coil with energy; a first switch disposed therebetween; and a control device controlling the first switch's conduction. The energy supply device has a DC power supply, a resonance coil connected to the DC power supply, a sparking capacitor connected to the resonance coil, and a second switch disposed between the sparking capacitor and an earth, and charges the sparking capacitor to have a voltage value larger than that of the DC power supply in absolute value by making the resonance coil and the sparking capacitor generate an LC resonance when the second and first switches are turned ON and OFF, respectively, according to an instruction from the control device whereas supplying the sparking coil with energy when the second and first switches are operated inversely according to another instruction.

摘要翻译： 一种点火装置包括：给具有高电压的火花塞提供火花线圈; 为火花线圈提供能量的能量供给装置; 设置在其间的第一开关; 以及控制第一开关导通的控制装置。 能量供给装置具有直流电源，连接到直流电源的谐振线圈，连接到谐振线圈的火花电容器和设置在火花电容器和地之间的第二开关，并且将火花电容器充电以具有 根据来自控制装置的指示，使第二开关和第一开关分别接通和断开时，通过使谐振线圈和火花电容器产生LC谐振，使绝对值的DC电源的电压值大于绝对值的电压值， 当第二和第一开关根据另一指令反向操作时，具有能量的火花线圈。

公开(公告)号：US20100186715A1

公开(公告)日：2010-07-29

申请号：US12506010

申请日：2009-07-20

申请人： Futoshi AIDA ,  Kimihiko Tanaya

发明人： Futoshi AIDA ,  Kimihiko Tanaya

IPC分类号： F02P5/00 ,  F02P17/12

CPC分类号： F02P17/12 ,  F02D35/021 ,  F02P5/153 ,  F02P2017/125 ,  Y02T10/46

摘要： The ion current detector includes: an ion bias circuit for supplying a bias voltage to an electrode of the ignition plug so as to cause the ignition plug to generate a spark discharge; and an ion current detection circuit for detecting an ion current generated in a combustion chamber by the spark discharge and for amplifying the detected ion current to output an ion current detection signal. The ion current detection circuit amplifies the ion current at an ion current amplification factor switched between a time when an ignition signal is supplied and a time when the ignition signal is not supplied. Specifically, when the ignition signal is supplied, the ion current amplification factor is set to a low value (approximately 50). When the ignition signal is not supplied, the ion current amplification factor is set to a high value (250 or more).

摘要翻译： 离子电流检测器包括：离子偏置电路，用于向火花塞的电极提供偏置电压，以使火花塞产生火花放电; 以及离子电流检测电路，用于通过火花放电来检测在燃烧室中产生的离子电流并且用于放大所检测的离子电流以输出离子电流检测信号。 离子电流检测电路以提供点火信号的时间与未提供点火信号的时间之间切换的离子电流放大系数放大离子电流。 具体地，当提供点火信号时，将离子电流放大系数设定为低值（约50）。 当未提供点火信号时，将离子电流放大系数设定为高值（250以上）。