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公开(公告)号：US10522978B2
公开(公告)日：2019-12-31
申请号：US15769120
申请日：2016-10-07
发明人： Taichiro Tamida , Takahiro Inoue , Takashi Hashimoto , Akira Nakagawa , Tomokazu Sakashita , Takayoshi Nagai , Kimihiko Tanaya , Hiroyuki Kameda , Yuichi Yamada , Kenji Ban
摘要： In an ignition plug, since a ground electrode is formed in a thin-rod-shape or a mesh-like shape, sufficiently strong radicals are locally generated by a barrier discharge, an anti-inflammation effect by the electrode is small, and the growth of a flame is hardly hindered. Furthermore, by making the thickness dimension of a second dielectric facing a discharge region uniform, the barrier discharge is spread over the surface of the second dielectric, the generation of the radicals is maintained, and combustibility after ignition is promoted. Furthermore, because an end portion of a high voltage electrode and a ground electrode are disposed to face each other within a combustion chamber, a fuel gas introduced into the combustion chamber is liable to flow into the discharge region, and is easily ignited by the radicals generated due to the discharge.
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公开(公告)号：US09765751B2
公开(公告)日：2017-09-19
申请号：US13932455
申请日：2013-07-01
发明人： Kimihiko Tanaya
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.
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公开(公告)号：US11434862B2
公开(公告)日：2022-09-06
申请号：US17399601
申请日：2021-08-11
发明人： Kimihiko Tanaya
摘要： The objective is to provide an internal-combustion-engine controller that can diagnose a smolder state in a subsidiary combustion chamber of a subsidiary-chamber-type internal combustion engine at low cost and in real time and that can perform control so as to securely produce a spark discharge. The controller controls an internal combustion engine in which a fuel-air mixture in the main combustion chamber is ignited with combustion gas to be injected through an orifice provided in a subsidiary combustion chamber; the controller includes an ignition plug and a detection probe arranged in the subsidiary combustion chamber, an ignition coil, a fuel injector, a smolder detector, and a smolder diagnosis device, and controls at least one of the ignition coil and the fuel injector in accordance with a diagnostic result in the smolder diagnosis device.
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公开(公告)号：US10947947B2
公开(公告)日：2021-03-16
申请号：US15941663
申请日：2018-03-30
发明人： Kimihiko Tanaya
摘要： The ignition apparatus includes: an ignition plug; a plurality of high voltage devices each configured to generate the high voltage and apply the high voltage between the first electrode and the second electrode; a leakage current detection device configured to detect a leakage current flowing between the first electrode and the second electrode; and a control device configured to control respective operations of the plurality of high voltage devices and the leakage current detection device. When the control device determines that leakage is present between the first electrode and the second electrode based on the leakage current detected by the leakage current detection device, the control device causes each of the plurality of high voltage devices to apply the high voltage between the first electrode and the second electrode at the same period.
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公开(公告)号：US09941670B2
公开(公告)日：2018-04-10
申请号：US15260909
申请日：2016-09-09
发明人： Kimihiko Tanaya
IPC分类号： H01T19/00
摘要： A discharge device includes a power supply device supplying AC power for generating a discharge in a clearance to a discharge load having a high-voltage electrode and a grounding electrode arranged to face the high-voltage electrode with the clearance and connected to a ground GND and having a connection state detector detecting a connection state of an output path of AC power, and a controller controlling the power supply device by determining the existence of an abnormality in the connection state and deciding whether AC power can be supplied or not. In the case where a disconnection or a connection failure occurs in the output path of AC power to be supplied from the discharge device to the discharge load, apparatuses included in the discharge device are protected from damage as well as occurrence of a secondary disaster can be prevented and suppressed.
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公开(公告)号：US09397483B2
公开(公告)日：2016-07-19
申请号：US14668337
申请日：2015-03-25
发明人： Yuichi Muramoto , Kimihiko Tanaya
摘要： In an ignition device, at a timing of a control signal provided by a control device to control an ignition coil device or at a timing prior to the control signal in order that a high voltage is applied to an ignition plug to initiate a spark discharge, a control circuit of an AC power source unit in response to the control signal controls switching elements composing a bridge circuit in the AC power source unit for a DC-AC inversion to thereby short-circuit a winding of a transformer device on the side of the AC power source unit, connected between a boosting device including a capacitor device and the bridge circuit for the circulation of a capacitance discharging current from the boosting device to the transformer device.
摘要翻译： 在点火装置中，在由控制装置提供的用于控制点火线圈装置的控制信号的定时处，或者在控制信号之前的定时，为了使高电压施加到火花塞以引发火花放电， 交流电源单元的控制电路响应于控制信号控制组成交流电源单元中的桥接电路的DC-AC反相的开关元件，从而使变压器装置的绕组短路 AC电源单元，连接在包括电容器装置的升压装置和用于使电容放电电流从升压装置向变压器装置循环的桥式电路之间。
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7.发明授权公开(公告)号：US08922127B2
公开(公告)日：2014-12-30
申请号：US14052438
申请日：2013-10-11
发明人： Kimihiko Tanaya , Naoki Itoi
摘要： Provided is a compact ignition coil apparatus that can realize reliable insulation breakdown and spark discharge with high discharge current. A high-frequency discharge ignition coil apparatus includes: a capacitor 116 connected to a high-voltage terminal, for preventing passage of high voltage; and an inductor 117 connected to the capacitor 116 and forming, together with the capacitor 116, a band pass filter that allows only a predetermined frequency component to pass. High-frequency current is supplied from outside to the inductor 117. The high-frequency discharge ignition coil apparatus further includes a current level detection device 115 for detecting the level of current flowing in the inductor 117. The current level detection device 115 is placed in one package, together with a primary coil 111, a secondary coil 112, a capacitor 116, and an inductor 117.
摘要翻译： 提供了一种能够以高放电电流实现可靠的绝缘击穿和火花放电的小型点火线圈装置。 高频放电点火线圈装置包括：连接到高电压端子的电容器116，用于防止高压通过; 以及与电容器116连接并与电容器116一起形成只允许预定频率分量通过的带通滤波器的电感器117。 高频电流从外部供给到电感器117.高频放电点火线圈装置还包括用于检测在电感器117中流动的电流的电流电平检测装置115.电流电平检测装置115被放置在 一个封装与初级线圈111，次级线圈112，电容器116和电感器117一起。
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公开(公告)号：US11506112B1
公开(公告)日：2022-11-22
申请号：US17678316
申请日：2022-02-23
发明人： Kimihiko Tanaya
摘要： An object is to improve scavenging performance of a pre-combustion chamber connected to a main combustion chamber via an orifice and suppress reduction in combustion performance of an internal combustion engine. This control device for an internal combustion engine including a main combustion chamber and a pre-combustion chamber having at least one orifice between the pre-combustion chamber and the main combustion chamber, includes a first control device which controls operation of an ignition coil to generate spark discharge at a spark plug, thus combusting fuel gas, and a second control device which controls operation of the ignition coil at a timing other than the timing of combusting the fuel gas, to promote scavenging of the pre-combustion chamber.
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公开(公告)号：US11047356B2
公开(公告)日：2021-06-29
申请号：US15691989
申请日：2017-08-31
发明人： Kimihiko Tanaya
摘要： An ignition device includes: a high frequency power source; a first device having inductance; a second device having capacitance; a discharge GAP; and a shield device which covers a connection portion between the first device and the second device, and is connected to the ground. The high frequency power source supplies AC power to the discharge GAP by using a resonance circuit composed of the first device and the second device, and ignites fuel by discharge plasma generated in the discharge GAP. In the ignition device, the first device, the second device, the connection portion, and the shield device are arranged in the same package and are sealed with an insulating substance.
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公开(公告)号：US10221824B2
公开(公告)日：2019-03-05
申请号：US15486792
申请日：2017-04-13
发明人： Kimihiko Tanaya
摘要： In an ignition device having high voltage wiring, the ignition device which prevents and/or suppresses the occurrence of serious damage due to an electric shock is provided. In the ignition device which includes: an ignition plug that generates a plasma discharge; a DC/AC conversion device that outputs AC power toward the ignition plug; a DC power supply device which is arranged in a different package from that of the DC/AC conversion device and outputs DC power to the DC/AC conversion device via wiring; and a power circuit breaker that conducts and/or interrupts the output of said DC power supply device, the power circuit breaker interrupts the output of the DC power supply device at least once between ignition operation and ignition operation.
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