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    • 93. 发明专利
    • Ignition coil device for high-frequency electric discharge
    • 用于高频放电的点火线圈装置
    • JP2014084836A
    • 2014-05-12
    • JP2012236231
    • 2012-10-26
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANAYA KIMIHIKO
    • F02P3/01F02P13/00F02P15/00H01F38/12
    • F02P3/02F02P3/01F02P3/04F02P23/04
    • PROBLEM TO BE SOLVED: To obtain a compact ignition coil device for high-frequency electric discharge capable of achieving secure dielectric breakdown and spark discharge in a high discharge current.SOLUTION: An ignition coil device comprises: a primary coil 111 for generating and storing a magnetic flux; a secondary coil 112 magnetically coupled to the primary coil for generating a predetermined high voltage by releasing stored energy, the secondary coil with one end connected to a high voltage terminal for supplying energy to an external unit 101; a capacitor 116 connected to the high voltage terminal for preventing the high voltage from allowing to pass through; and an inductor 117 for allowing only a specified frequency component to pass through in cooperation with the capacitor, in which the primary coil, the secondary coil, the capacitor, and the inductor are arranged within a same package.
    • 要解决的问题:获得能够在高放电电流下实现绝缘击穿和火花放电的高频放电的小型点火线圈装置。解决方案:点火线圈装置包括:初级线圈111,用于产生和存储 磁通量; 次级线圈112,其与初级线圈磁耦合,用于通过释放存储的能量来产生预定的高电压,次级线圈的一端连接到用于向外部单元101供应能量的高压端子; 连接到高电压端子的电容器116,用于防止高电压通过; 以及用于仅使特定频率分量与电容器协调通过的电感器117,其中初级线圈,次级线圈,电容器和电感器被布置在相同的封装内。
    • 94. 发明专利
    • Ignition system
    • 点火系统
    • JP2014077432A
    • 2014-05-01
    • JP2013020135
    • 2013-02-05
    • Denso Corp株式会社デンソー
    • SHIBATA MASAMICHIMIZUTANI ATSUYAHATTORI KOICHIIMANAKA TAISHIN
    • F02P15/00F02P13/00
    • F02P1/083F02P3/02F02P3/0407F02P3/0442F02P3/0552H01T13/44
    • PROBLEM TO BE SOLVED: To provide an ignition system in which a Zener diode is connected in parallel with a spark plug, and which can suppress the increase of torque variation when deterioration of the spark plug is advanced.SOLUTION: The ignition system includes a secondary coil 12b having one end connected to a center electrode 10a of the spark plug 10 via a connection path L2. The connection path L2 is connected to a constant-voltage path L3 having a grounded end. The constant-voltage path L3 includes a Zener diode 18. The time from when an ignition signal is switched off until when ignition timing occurs is measured for a plurality of times. A difference between a maximum value and a minimum value of the plurality of measured times is defined to be a variation range. A breakdown voltage of the Zener diode 18 is adjusted based on requirements such as for rendering the variation range to be a predetermined time or smaller.
    • 要解决的问题:提供一种点火系统,其中齐纳二极管与火花塞并联连接,并且能够在火花塞劣化的情况下抑制扭矩变化的增加。解决方案:点火系统包括二次 线圈12b的一端经由连接路径L2与火花塞10的中心电极10a连接。 连接路径L2连接到具有接地端的恒定电压路径L3。 恒定电压路径L3包括齐纳二极管18.从点火信号切断至点火正时发生时的时间被测量多次。 将多个测量次数的最大值和最小值之间的差定义为变化范围。 齐纳二极管18的击穿电压根据诸如使变化范围变为预定时间或更小的要求被调整。
    • 95. 发明专利
    • Ignition coil for internal combustion engine
    • 内燃机用点火线圈
    • JP2014003287A
    • 2014-01-09
    • JP2013110083
    • 2013-05-24
    • Denso Corp株式会社デンソー
    • YAMAUCHI YUUKI
    • H01F38/12F02P15/00
    • F02P3/01F02P3/02H01F38/12
    • PROBLEM TO BE SOLVED: To provide a highly reliable ignition coil for an internal combustion engine which improves insulation performance and prevents unintended conduction with a conductive elastic body electrically connected to a spark plug.SOLUTION: An ignition coil 1 for an internal combustion engine comprises: a body 100 provided with a body cylinder 170 made of metal; and a head 300 and a high-voltage portion 200 made of resin. Insulation resin 330, which has a higher electrical insulation performance than that of the resin forming the high-voltage portion 200, is interposed between an outer cylinder 210 and an inner cylinder 220 formed in the high-voltage portion 200, thereby preventing unintended electric conduction which occurs between the body cylinder 170 made of metal and a conductive elastic body 500 disposed in the inner cylinder 220.
    • 要解决的问题:提供一种用于内燃机的高度可靠的点火线圈,其提高绝缘性能并防止与电火花塞电连接的导电弹性体的意外导通。解决方案:内燃机用点火线圈1包括: 设置有由金属制成的主体筒170的主体100; 以及头部300和由树脂制成的高压部分200。 具有比形成高压部分200的树脂的电绝缘性能更高的绝缘树脂330插入在形成于高压部分200中的外筒210和内筒220之间,从而防止意外的电导 其发生在由金属制成的主体筒170和设置在内筒220中的导电弹性体500之间。
    • 96. 发明专利
    • Ignition control device
    • 点火控制装置
    • JP2013231355A
    • 2013-11-14
    • JP2010071446
    • 2010-03-26
    • Hiromitsu Ando弘光 安東Imagineering Incイマジニアリング株式会社
    • ANDO HIROMITSUIKEDA YUJI
    • F02B11/00F02D41/02F02P3/01F02P23/04
    • F02P23/045F02D41/3041F02P3/02F02P5/153F02P9/007
    • PROBLEM TO BE SOLVED: To provide an ignition control device that can efficiently control timing of thermal ignition of gaseous mixture in a combustion region.SOLUTION: A peak estimation unit (32), an ignition timing determination unit (33), a control timing determination unit (34), and a plasma control unit (35) control a timing of thermal ignition of the gaseous mixture in a combustion region (10) by controlling a pulse generator (36), an electromagnetic wave oscillator (37), a mixer circuit (38), and a spark plug (15) so as to increase the amount of OH radicals in the combustion region (10) during a low-temperature oxidation preparation period that occurs prior to a peak of a heat release rate before the thermal ignition of the gaseous mixture.
    • 要解决的问题:提供一种能够有效地控制燃烧区域中的气体混合物的点火时刻的点火控制装置。解决方案:峰值估计单元(32),点火定时确定单元(33),控制定时确定 单元(34)和等离子体控制单元(35)通过控制脉冲发生器(36),电磁波振荡器(37),混频器电路(37),控制燃烧区域(10)中的气体混合物的热点火时间来控制 (38)和火花塞(15),以便在热点火之前的放热速度峰值之前发生的低温氧化制备期间增加燃烧区域(10)中的OH自由基的量 的气体混合物。
    • 97. 发明专利
    • Power reception device and radio power feeding system
    • 功率接收装置和无线电功率馈送系统
    • JP2013150542A
    • 2013-08-01
    • JP2012273214
    • 2012-12-14
    • Semiconductor Energy Lab Co Ltd株式会社半導体エネルギー研究所
    • KAMATA KOICHIRO
    • H02J17/00
    • H02J7/025F02P3/02H01F38/14H02J5/005H02J50/12H02J50/40H02J50/80H02M1/12H02M3/06
    • PROBLEM TO BE SOLVED: To provide a power reception device capable of stopping supply of electric power from a feeding apparatus while suppressing the lowering of a Q value.SOLUTION: The power reception device includes: a first antenna in which coupling by resonance is formed between antennas owned by a feeding apparatus; a second antenna in which coupling by electromagnetic induction is formed between the first antenna and the second antenna; a plurality of switches; a rectification circuit which performs a first operation for rectifying and outputting a voltage given from the second antenna or a second operation for shorting a pair of feeding points of an antenna element owned by the second antenna, by turning on or off the plurality of switches; a load to which a voltage output from the rectification circuit is given; and a control circuit which generates a signal for selecting on or off operations of the plurality of switches in the first operation and the second operation of the rectification circuit.
    • 要解决的问题:提供一种能够在抑制Q值降低的同时停止来自馈送装置的电力供应的电力接收装置。解决方案:电力接收装置包括:第一天线,其中通过谐振耦合形成在 馈电设备所拥有的天线; 第二天线,其中在第一天线和第二天线之间形成有电磁感应耦合; 多个开关; 整流电路,通过接通或关闭所述多个开关来执行用于整流和输出从所述第二天线给出的电压的第一操作或用于短路所述第二天线所拥有的天线元件的一对馈电点的第二操作; 给出从整流电路输出的电压的负载; 以及控制电路,其在第一操作和整流电路的第二操作中产生用于选择多个开关的接通或断开操作的信号。
    • 98. 发明专利
    • Ignition coil for internal combustion engine
    • 内燃机用点火线圈
    • JP2013093545A
    • 2013-05-16
    • JP2012159184
    • 2012-07-18
    • Denso Corp株式会社デンソー
    • YAMAUCHI YUUKITAKEYAMA SHOICHI
    • H01F38/12F02P15/00
    • H01F5/00F02P3/02F02P13/00F02P15/00H01F5/04H01F38/12H01F2038/122H01T13/44
    • PROBLEM TO BE SOLVED: To provide an ignition coil for an internal combustion engine capable of decreasing the number of assembly steps and components while down-sizing.SOLUTION: An ignition coil 1 for an internal combustion engine includes a coil part 2 having a primary coil and a secondary coil, and a connector case 3. The primary coil is formed by winding a primary wire around the outer periphery of a primary spool 211 made of resin. The connector case 3 is provided with a terminal 4 consisting of a conductor placed from the inside of a fitting hole to a connector. An insertion slit 42 is formed in the insertion part 41 placed in the fitting hole of the terminal 4 in the fitting direction A of the coil part 2 and the connector case 3. End-of-winding 213 of the primary coil 21 is led out substantially in the winding direction B of the primary wire, and is inserted into the insertion slit 42 in the fitting direction A.
    • 要解决的问题:提供一种能够在减小尺寸的同时减少组装步骤和部件的数量的内燃机的点火线圈。 解决方案:用于内燃机的点火线圈1包括具有初级线圈和次级线圈的线圈部分2和连接器壳体3.初级线圈通过绕一根线材的外周缠绕而形成 由树脂制成的初级线轴211。 连接器壳体3设置有由从配合孔的内部向连接器放置的导体构成的端子4。 在线圈部分2的装配方向A和连接器壳体3上的插入部分41中形成有插入部分41,插入部分41被放置在端子4的装配孔中。初级线圈21的绕组端部213被引出 基本上在主线的卷绕方向B上,并沿插入方向A插入插入缝42中。(C)2013,JPO&INPIT