公开(公告)号：US11686282B2

公开(公告)日：2023-06-27

申请号：US17429205

申请日：2020-02-19

申请人： ELDOR CORPORATION S.P.A.

发明人： Eugenio Carugati ,  Stefano Silva ,  Pasquale Forte

IPC分类号： F02P3/09 ,  F02P17/12

CPC分类号： F02P3/096 ,  F02P17/12 ,  F02P2017/125 ,  F02P2017/128

摘要： It is disclosed an electronic device to control an ignition coil of an internal combustion engine, comprising a high-voltage switch, a driving unit, a bias circuit and an integrating circuit. The high-voltage switch is connected in series with a primary winding of a coil. The driving unit is configured to control the closing and opening of the high-voltage switch. The integrating circuit is interposed between the bias circuit and a reference voltage. The integrating circuit comprises an integrating capacitor. The integrating capacitor is configured, in the case wherein a pre-ignition of the comburent-combustible mixture in the combustion chamber during the phase of charging occurs, to pre-charge during the phase of charging energy in the primary winding and it is configured, in the case wherein the pre-ignition of the comburent-combustible mixture does not occur, to maintain the charge state substantially constant during the phase of charging energy.

公开(公告)号：US20210348588A1

公开(公告)日：2021-11-11

申请号：US17381188

申请日：2021-07-20

申请人： WEICHAI TORCH TECHNOLOGY CO., LTD. ,  CLEAN COMBUSTION ENGINE TECHNOLOGY INC.

发明人： Ming ZHENG ,  Guangyun CHEN ,  Xiao YU ,  Qingyuan TAN ,  Meiping WANG ,  Tangliang ZHANG ,  Jin QIAN

IPC分类号： F02P3/08 ,  H01T13/20 ,  H01T13/18 ,  H01T13/14 ,  H01T13/58 ,  F02P3/09

摘要： A spark plug heat up method via transient control of the spark discharge current. The high temperature plasma channel is used to heat up the central electrode, and the temperature and energy of the plasma channel are realized via transient control of the discharge current. The heating up process takes place before firing the engine, using discharge current to actively heat up the spark plug from inside. By monitoring the discharge current amplitude and discharge duration, the temperature change of the central electrode and the ceramic insulator can be carefully measured and controlled within a proper window. This method can be used to measure the heating range of the spark plug, and to prevent or remove the carbon deposit on the central electrode and the ceramic insulator generated under various engine operation conditions, such as engine cold start, full load operation, and heavy EGR condition, as well as realize self-cleaning.

公开(公告)号：US09796376B2

公开(公告)日：2017-10-24

申请号：US15032509

申请日：2014-11-03

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Toshio Inoue ,  Shunsuke Fushiki ,  Tomoaki Honda ,  Keita Fukui ,  Hidekazu Nawata ,  Yuta Niwa ,  Taichi Ohsawa

IPC分类号： B60W10/06 ,  F02P3/09 ,  F02B25/12 ,  B60K6/26 ,  B60W20/40 ,  B60W10/08 ,  B60W10/26 ,  B60W30/18 ,  B60W20/10 ,  B60L3/00 ,  B60L3/04 ,  B60L7/14 ,  B60L11/12 ,  B60L11/14 ,  B60L11/18 ,  B60L15/20 ,  B60K6/24 ,  B60K6/28 ,  B60K6/365 ,  B60K6/40

CPC分类号： B60W20/40 ,  B60K6/24 ,  B60K6/26 ,  B60K6/28 ,  B60K6/365 ,  B60K6/40 ,  B60K2006/268 ,  B60L3/0046 ,  B60L3/04 ,  B60L7/14 ,  B60L11/123 ,  B60L11/14 ,  B60L11/1816 ,  B60L11/1842 ,  B60L11/1844 ,  B60L11/1846 ,  B60L11/1859 ,  B60L15/20 ,  B60L15/2009 ,  B60L15/2054 ,  B60L2210/10 ,  B60L2210/40 ,  B60L2240/12 ,  B60L2240/36 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/441 ,  B60L2240/443 ,  B60L2240/445 ,  B60L2240/486 ,  B60L2240/80 ,  B60L2260/26 ,  B60L2270/12 ,  B60L2270/145 ,  B60W10/06 ,  B60W10/08 ,  B60W10/26 ,  B60W20/10 ,  B60W30/18054 ,  B60W2710/06 ,  B60W2710/242 ,  B60Y2200/92 ,  Y02E60/721 ,  Y02T10/6217 ,  Y02T10/6286 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/7077 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T10/7275 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14 ,  Y10S903/905 ,  Y10S903/906 ,  Y10S903/907 ,  Y10S903/91 ,  Y10S903/93 ,  Y10S903/951

摘要： A hybrid vehicle includes an internal combustion engine, a rotating electric machine, an electric storage device, a power supply device, and a controller. The controller executes switching control to switch from a first electric power supply to a second electric power supply by starting the internal combustion engine. The first electric power supply is the supply of electric power from the electric storage device to the electric device. The second electric power supply is the supply of electric power from the rotating electric machine to the electric device. The controller controls the power supply device and the internal combustion engine such that the internal combustion engine is started with the first electric power supply being continued during the switching control.

公开(公告)号：US09771918B2

公开(公告)日：2017-09-26

申请号：US14783898

申请日：2014-04-11

申请人： DENSO CORPORATION

发明人： Satoru Nakayama ,  Makoto Toriyama ,  Akimitsu Sugiura ,  Masahiro Ishitani ,  Yuuki Kondou ,  Kanechiyo Terada

IPC分类号： F02P9/00 ,  F02P3/08 ,  F02P3/09 ,  F02P3/045 ,  F02P3/05 ,  F02P5/15 ,  F02P3/00 ,  F02P15/10 ,  F02P3/04

CPC分类号： F02P9/002 ,  F02P3/005 ,  F02P3/0407 ,  F02P3/0453 ,  F02P3/05 ,  F02P3/0876 ,  F02P3/09 ,  F02P5/1502 ,  F02P15/10 ,  Y02T10/46

摘要： It is possible to adjust electromagnetic energy introduced from a low-voltage side of a primary winding 20 of an ignition coil 2 after start discharging to a spark plug 1 from the ignition coil 2 in the correct proportion by threshold-determining either one or both of a primary voltage V1 applied to a primary side of the ignition coil 2 and a secondary current I2 flowing in a secondary side of the ignition coil 2, and by opening and closing a discharging switch 32 disposed between an auxiliary power supply 3 including an energy storage coil 330 and a low-voltage side terminal 201 of the ignition coil 2.

公开(公告)号：US09765751B2

公开(公告)日：2017-09-19

申请号：US13932455

申请日：2013-07-01

申请人： MITSUBISHI ELECTRIC CORPORATION

发明人： Kimihiko Tanaya

IPC分类号： F02P9/00 ,  F02P3/02 ,  F02P23/04 ,  F02P3/04 ,  F02P3/05 ,  F02P3/09 ,  F02P15/00

CPC分类号： F02P9/002 ,  F02P3/02 ,  F02P3/0435 ,  F02P3/051 ,  F02P3/09 ,  F02P9/007 ,  F02P15/00 ,  F02P23/045

摘要： An ignition apparatus includes a spark plug having a high voltage electrode and an external electrode facing each other across a gap and being configured to generate a spark discharge in the gap to ignite a combustible fuel mixture in a combustion chamber of an internal combustion engine, an ignition coil device configured to generate a predetermined high voltage and supply the high voltage to the high voltage electrode to form a path for the spark discharge in the gap, a high frequency power supply having a band-pass filter and being configured to supply an alternating current to the spark discharge path, and a control device configured to control operation timing of the high frequency power supply. The band-pass filter passes a frequency of from 1 MHz to 4 MHz.

公开(公告)号：US20170117078A1

公开(公告)日：2017-04-27

申请号：US15301789

申请日：2015-04-07

申请人： DENSO CORPORATION

发明人： Kenta KYOUDA ,  Satoru NAKAYAMA

IPC分类号： H01F7/06 ,  F02P3/09 ,  H01F38/12 ,  F02P15/10

CPC分类号： F02P15/10 ,  F02D2200/101 ,  F02P3/0442 ,  F02P3/0846 ,  F02P3/0876 ,  F02P3/09 ,  F02P5/15 ,  F02P9/007 ,  F02P17/12 ,  H01F7/064 ,  H01F38/12 ,  Y02T10/46

摘要： An ignition apparatus includes a blow-off determining unit. The blow-off determining unit determines, when a secondary electric current drops below a predetermined threshold value Ia during a determination period, that blow-off has occurred; the determination period is a predetermined time period ΔT from the start of a spark discharge by a main ignition circuit. Further, when it is determined that blow-off has occurred during a main ignition (full-transistor ignition), it is controlled to perform a continuing spark discharge after the main ignition in a next cycle. Moreover, a secondary electric current command value I2a in performing the continuing spark discharge is set to an electric current value that is obtained by adding a predetermined electric current value α to the predetermined threshold value Ia used in the blow-off determination. Consequently, in the next cycle, it is possible to reliably prevent blow-off, thereby reliably preventing a misfire.

公开(公告)号：US09531377B2

公开(公告)日：2016-12-27

申请号：US14766966

申请日：2013-04-02

申请人： Mitsubishi Electric Corporation

发明人： Koji Yamamoto ,  Shinsuke Godo

IPC分类号： H03K3/00 ,  H03K17/687 ,  F02P3/055 ,  F02P3/08 ,  F02P3/09 ,  H03K17/082 ,  H03K17/16

CPC分类号： H03K17/687 ,  F02P3/055 ,  F02P3/08 ,  F02P3/096 ,  H03K17/0828 ,  H03K17/168

摘要： The present invention has an object to provide a semiconductor device that has protective functions and is capable of achieving miniaturization and cost reduction. A semiconductor device according to the present invention includes a switching element, a drive circuit, and a control circuit. When a high-level drive control signal is output from the drive circuit, the control circuit stops driving of the switching element and charges an electric charge storing capacitor. When a low-level drive control signal is output from the drive circuit, the control circuit drives the switching element using electric charges stored in the electric charge storing capacitor.

摘要翻译： 本发明的目的是提供一种具有保护功能并且能够实现小型化和降低成本的半导体器件。 根据本发明的半导体器件包括开关元件，驱动电路和控制电路。 当从驱动电路输出高电平的驱动控制信号时，控制电路停止开关元件的驱动并对蓄电电容器进行充电。 当从驱动电路输出低电平驱动控制信号时，控制电路使用存储在电荷存储电容器中的电荷来驱动开关元件。

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：US5208540A

公开(公告)日：1993-05-04

申请号：US843187

申请日：1992-02-28

申请人： Gary R. Hoeflich

发明人： Gary R. Hoeflich

IPC分类号： F02P3/09 ,  F02P17/12

CPC分类号： F02P3/096 ,  F02P17/12 ,  F02P2017/003

摘要： The ignition performance monitoring method and apparatus determines the time period during which the current generated in the primary winding of an ignition coil by a pulse from a capacitive discharge ignition system takes the decay to a zero ampere level and uses this determined period to calculate and indicate the firing voltage required to fire a spark plug. The apparatus includes a current sensor connected to sense the current in the primary winding of the ignition coil and a comparator to compare the sensed current with a reference indicative of a zero ampere current level. The comparator provides an output signal having a pulse width indicative of the time the sensed current was above the zero ampere level to a processor which uses the output signal and data values unique to the ignition coil employed to determine a firing voltage for a spark plug fired by the ignition coil.

摘要翻译： 点火性能监视方法和装置确定通过来自电容式放电点火系统的脉冲在点火线圈的初级绕组中产生的电流衰减到零安培电平的时间段，并且使用该确定的周期来计算和指示 发射火花塞所需的点火电压。 该装置包括连接以感测点火线圈的初级绕组中的电流的电流传感器和比较器，用于将感测的电流与表示零安培电流电平的参考值进行比较。 比较器提供一个输出信号，其具有指示感测电流高于零安培电平的时间的脉冲宽度，该处理器使用输出信号，并且所用的点火线圈唯一的数据值用于确定火花塞点火的点火电压 由点火线圈。

公开(公告)号：US5074274A

公开(公告)日：1991-12-24

申请号：US658606

申请日：1991-02-21

申请人： Hiroshi Okuda

发明人： Hiroshi Okuda

IPC分类号： F02P3/045 ,  F02P3/08 ,  F02P3/09

CPC分类号： F02P3/0861 ,  F02P3/0453

摘要： An ignition system for internal combustion engines comprising an ignition coil (38), a power circuit (30) including a converter for converting the output of a battery (31) into a high voltage, a capacitor (37) arranged at the primary side of the ignition coil (38) and charged by the output from the power circuit (30), a discharging control thyristor (41) which conducts at a spark-timing of an internal combustion engine to discharge electric charges in the capacit of (37) into the primary winding (38a) of the ignition coil (38) and converter control means (49, 52) which makes the converter inactive earlier than the input of a trigger signal to the gate of the thyristor (41) by a first predetermined time (t.sub.1), and which makes the converter active again in a second predetermined time (t.sub.2) since the thyristor (41) has been triggered to conduct.

摘要翻译： 一种用于内燃机的点火系统，包括点火线圈（38），包括用于将电池（31）的输出转换为高电压的转换器的电源电路（30），布置在电池的初级侧的电容器（37） 所述点火线圈（38）由所述电源电路（30）的输出充电;放电控制晶闸管（41），其在内燃机的火花正时传导，将所述（37）的电容中的电荷排出成 点火线圈（38）的初级绕组（38a）和转换器控制装置（49,52），其使得转换器不能比触发信号的输入低于晶闸管（41）的栅极第一预定时间（ t1），并且由于晶闸管（41）已经被触发而导致转换器在第二预定时间（t2）中再次起作用。