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公开(公告)号：JP2006127887A
公开(公告)日：2006-05-18
申请号：JP2004313972
申请日：2004-10-28
Applicant: Denso Corp , 株式会社デンソー
Inventor： ARAKAWA MIYAO
CPC classification number: Y02T10/125
Abstract: PROBLEM TO BE SOLVED: To contrive energy saving of an ignition device for an internal combustion engine effecting ignition by plasma jet.
SOLUTION: On the ignition device for the internal combustion device, an ignition plug 100 is composed of a main body metal fitting 10 having tubular structure fitted to an outer periphery of an insulator 20, here, a screw part 12 is formed at an outer periphery of one end side of the tubular structure, and an end part 13 of the screw part 12 is arranged so as to be located on a same plane as a tip face 22 of the insulator, or the tip face of the insulator is arranged so as to protrude from the end part of the screw part; and a cover 60 structured as a metal vessel thinner than the screw part 12 of the main metal fitting 10 and forming a cavity space 70 with only an inner wall face of the metal vessel and the tip face 22 of the insulator 20 by an open end part of the metal vessel jointed to the end part 13 at the screw part side of the main body metal fitting 10. With such a structure, heat in the cavity space 70 is prevented from being radiated outside the ignition plug 100 through the main body metal fitting.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：为了通过等离子体射流来实现点火的内燃机的点火装置的节能。 解决方案：在用于内燃装置的点火装置上，火花塞100由具有与绝缘体20的外周配合的管状结构的主体金属配件10构成，这里，螺钉部12形成在 管状结构的一端侧的外周，螺纹部12的端部13配置成与绝缘体的顶面22位于同一平面上，绝缘子的前端面为 被布置成从所述螺钉部的所述端部突出; 以及作为比主金属配件10的螺纹部分12薄的金属容器构成的盖60，并且仅通过金属容器的内壁面和绝缘体20的端面22形成空腔70，开口端 金属容器的一部分在主体金属配件10的螺纹部分侧与端部13接合。利用这种结构，防止空腔70中的热量通过主体金属被辐射在火花塞100外部 配件。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2006112246A
公开(公告)日：2006-04-27
申请号：JP2004297758
申请日：2004-10-12
Applicant: Denso Corp , 株式会社デンソー
Inventor： ARAKAWA MIYAO
Abstract: PROBLEM TO BE SOLVED: To efficiently coagulate by simply constituting an exhaust particulate purifying device using corona discharge. SOLUTION: Since a metallic mesh or a filter is arranged in a muffler housing 1 continuously connected to an internal combustion engine via an exhaust pipe 2 and is constituted by arranging a discharge electrode 4 in the exhaust pipe 2 in the vicinity of this side of a muffler inlet, the whole exhaust particulate can be electrified by adding discharge to the whole exhaust gas, and the exhaust particulate is further easily coagulated and collected by reducing a flow speed of the exhaust gas in a muffler, and exhaust emission is efficiently controlled with a simple constitution. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：通过简单地构成使用电晕放电的排气微粒净化装置来有效地凝结。 解决方案：由于金属网或过滤器布置在经由排气管2连续连接到内燃机的消声器壳体1中，并且通过在排气管2的附近布置放电电极4而构成 消声器入口的一侧，通过向整个废气中添加排气，可以使整个废气颗粒通电，并且通过减少消声器中的排气的流速来进一步容易地使排气颗粒凝结和收集，并且废气排放是有效的 以简单的宪法来控制。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2003301711A
公开(公告)日：2003-10-24
申请号：JP2002106369
申请日：2002-04-09
Applicant: Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
Inventor： UEDA MATSUE , ITO YOSHIHIKO , ARAKAWA MIYAO
Abstract: PROBLEM TO BE SOLVED: To restrain electric power consumption, and to efficiently and surely purify exhaust gas containing a particulate substance. SOLUTION: A controller 30 estimates a PM exhaust quantity corresponding to an engine speed, a main injection quantity, and intake pressure read in from an engine controller 2, and also determines whether an electric current is carried to an electrifying electrode 11, or the electric current is carried to the electrifying electrode 11 and an electrifying electrode 13, or the electric current is not carried to either. The controller 30 controls a power source device 20 so as to carry the electric current to the electrifying electrode 11 and the electrifying electrode 13. COPYRIGHT: (C)2004,JPO
Abstract translation: 要解决的问题：为了抑制电力消耗，并且有效且可靠地净化含有颗粒物质的废气。 解决方案：控制器30估计对应于从发动机控制器2读入的发动机转速，主喷射量和进气压力的PM排气量，并且还确定是否将电流传送到通电电极11， 或者将电流传送到充电电极11和通电电极13，或者不将电流传送到电流。 控制器30控制电源装置20，以将电流传送到充电电极11和充电电极13.版权所有（C）2004，JPO
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公开(公告)号：JP2003275541A
公开(公告)日：2003-09-30
申请号：JP2002078130
申请日：2002-03-20
Applicant: Denso Corp , 株式会社デンソー
Inventor： ITO TOSHIHIKO , ARAKAWA MIYAO
Abstract: PROBLEM TO BE SOLVED: To provide a plasma device in which a voltage drop in a plasma electrode is reduced and a gas cleaning effect is maintained. SOLUTION: Inside the flow path member 12 of the plasma device 10, electrodes 21, 22, 23, 31, 32, 33, 41, 42, 43, 44, 45 and 46 formed in a net shape are installed parallelly along the flow direction of an exhaust gas. The electrodes 21, 22 and 23 and the electrodes 31, 32 and 33 are anodes and the electrodes 41, 42, 43, 44, 45 and 46 are cathodes. The anodes 21, 22 and 23 constitute an anode group 20 and the anodes 31, 32 and 33 constitute an anode group 30. The electrodes 41, 42, 43, 44, 45 and 46 constitute a cathode group 40. The cathode group 40 is connected to an exhaust pipe and an engine which are metal parts and grounded. To an electrode group constituted of the anode group 20 and the cathode group 40 and the electrode group constituted of the anode group 30 and the cathode group 40, high voltage pulses are impressed at respectively different timings and frequencies. COPYRIGHT: (C)2003,JPO
Abstract translation: 要解决的问题：提供等离子体电极中的电压降降低并保持气体清洁效果的等离子体装置。 解决方案：在等离子体装置10的流路构件12的内部，形成为网状的电极21,22,23,31,32,33,41,42,43,44,45和46平行地安装 废气的流动方向。 电极21,22和23以及电极31,32和33是阳极，电极41,42,43,44,45和46是阴极。 阳极21,22和23构成阳极组20，阳极31,32和33构成阳极组30.电极41,42,43,44,45和46构成阴极组40.阴极组40为 连接到作为金属部件并接地的排气管和发动机。 对于由阳极组20和阴极组40构成的电极组以及由阳极组30和阴极组40构成的电极组，分别施加不同的定时和频率的高电压脉冲。 版权所有（C）2003，JPO
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公开(公告)号：JP2002221025A
公开(公告)日：2002-08-09
申请号：JP2001017410
申请日：2001-01-25
Applicant: DENSO CORP
Inventor： ARAKAWA MIYAO
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device for an internal combustion engine capable of stabilizing electric discharge and improving efficiency of purifying exhaust gas with low electric power and from low temperature condition. SOLUTION: A plasma generating device 2 and a DPF 32 with catalyst is arranged separately in an upstream side and a downstream side in a exhaust gas passage 6. Particulate pollutant (PM) and gaseous pollutant (NOx and the like) are efficiently purified by combination of purifying actions of the DPF 32 with catalyst and plasma generated from the plasma generating device 2. The plasma generating device 2 is controlled to be turned on in a low temperature condition to compensate deterioration of purifying performance of the DPF 32 with catalyst in the low temperature condition.
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Patent Agency Ranking
公开(公告)号：JP2001193441A
公开(公告)日：2001-07-17
申请号：JP2000006023
申请日：2000-01-11
Applicant: DENSO CORP
Inventor： ARAKAWA MIYAO
Abstract: PROBLEM TO BE SOLVED: To perform efficient exhaust emission control by the generated amount of electric discharge smaller than in the past. SOLUTION: A plurality of insulating substrates 15 are arranged in parallel in an emission control housing 14, a flow path 16 for exhaust gas is formed between each insulating substrate 15, also a plurality of electric discharge electrodes 17 are respectively embedded in each insulating substrate 15, and the exhaust gas is purified by generating a discharge in each flow path 16. For changing a discharge generated amount, according to the distribution of a flow amount of exhaust gas in the emission control housing 14, an electric discharge electrode 17a positioned in a central part of the emission control housing 14 is formed in the widest lateral width, to obtain the largest discharge area, from here the discharge electrode 17, as it goes toward a peripheral part (lateral direction and vertical direction), is formed in small lateral width, to obtain a small electric discharge area. In this way, the distribution of the generated amount of electric discharge in the emission control housing 14 generates the largest generated amount of electric discharge in the central part of the emission control housing 14 having a large flow rate of exhaust gas, the generated amount of electric discharge, in accordance with going toward the peripheral part of a small flow rate of exhaust gas, is decreased.
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公开(公告)号：JP2010084608A
公开(公告)日：2010-04-15
申请号：JP2008254014
申请日：2008-09-30
Applicant: Denso Corp , 株式会社デンソー
Inventor： ARAKAWA MIYAO , NISHIJIMA YOSHIAKI , KUROYANAGI MASATOSHI
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of suppressing damage due to the exhaust heat from an exhaust pipe and suppressing damage to the exhaust pipe due to vibration. SOLUTION: Bottomed cylindrical wave guides 23 are disposed so as to face each other with the gap C interposed therebetween from the opening side of a base 21 projecting from the exhaust pipe 92. Namely, the inner diameter of the opening ends 231 of the wave guides 23 is larger than the outer diameter of the opening end 212 of the base 21. Then, the opening ends 231 of the wave guides 23 cover, in the state of non-contact with each other, the opening end 212 of the base 21 from the outside with the gap C interposed therebetween. The base 21 comprises a heat shield plate 213 which closes the opening of the base 21 extending toward the wave guides 23. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 解决的问题：提供一种能够抑制由排气管排出的热量引起的损坏并且抑制由于振动对排气管造成的损害的废气排放控制装置。 解决方案：从底座21的从排气管92突出的开口侧插入间隙C，将底部圆柱形波导23设置成彼此面对，即，开口端231的内径 波导23大于基座21的开口端212的外径。然后，波导23的开口端231在彼此不接触的状态下覆盖开口端212 基部21从外部插入间隙C。 底座21包括隔热板213，该隔热板关闭朝向波导23延伸的底座21的开口。版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2010065648A
公开(公告)日：2010-03-25
申请号：JP2008234755
申请日：2008-09-12
Applicant: Denso Corp , 株式会社デンソー
Inventor： KURIMOTO NAOKI , ARAKAWA MIYAO
CPC classification number: F01N3/208 , F01N13/18 , F01N2240/36 , F01N2560/06 , F01N2570/14 , F01N2610/12 , Y02T10/24
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device easily mounted in a limited space and easily handled, and using a solid reducing agent. SOLUTION: The solid reducing agent 14 for the exhaust emission control device 10 is arrange on the side of the engine 11 of a reduction catalyst 13 in a second exhaust gas passage 24 for allowing a part of exhaust gas delivered from the engine 11 to flow therein. Therefore, at least a part of the exhaust gas delivered from the engine 11 is passed through the solid reducing agent 14 arranged in the second exhaust gas passage 24 and is led to flow into the reduction catalyst 13. The exhaust gas delivered from the engine 11 is passed through the solid reducing agent 14, thereby a reducing agent produced from the solid reducing agent 14 is mixed with the exhaust gas and led to flow into the reduction catalyst 13. Most of the exhaust emission control device 10 including the solid reducing agent 14 is arranged in an exhaust pipe section 12 forming an exhaust passage 16. As a result, the exhaust emission control device is easily mounted in the limited space around the engine 11 and easily handled. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：提供容易安装在有限空间中并容易处理的废气排放控制装置，并使用固体还原剂。 解决方案：用于废气排放控制装置10的固体还原剂14布置在第二排气通道24中的还原催化剂13的发动机11侧，用于允许从发动机11输送的废气的一部分 流入。 因此，从发动机11排出的废气的至少一部分通过设置在第二排气通路24中的固相还原剂14，并被引导到还原催化剂13中。从发动机11输送的废气 通过固相还原剂14，由固相还原剂14生成的还原剂与废气混合，并流入还原催化剂13.废气排放控制装置10的大部分包括固体还原剂14 布置在形成排气通道16的排气管部分12中。结果，废气排放控制装置容易地安装在发动机11周围的有限空间中并且容易处理。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009167942A
公开(公告)日：2009-07-30
申请号：JP2008008306
申请日：2008-01-17
Applicant: Denso Corp , 株式会社デンソー
Inventor： ARAKAWA MIYAO , NISHIJIMA YOSHIAKI , KUROYANAGI MASATOSHI
CPC classification number: F02D9/04 , F01N3/2006 , F01N3/2892 , F01N13/087 , F01N2240/36 , Y02A50/2322 , Y02T10/22 , Y02T10/26
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device for maintaining a catalyst at the active temperature over a long period, by reducing conduction of heat to the internal combustion engine side from the catalyst. SOLUTION: When a gasoline engine 11 stops operation, an exhaust passage 21 is closed by an upstream side orifice part 30 and a downstream side orifice part 40. A storage space 26 for storing a three-way catalyst 24 by the upstream side orifice part 30 and the downstream side orifice part 40, is reduced in pressure by a pressure reducing pat 50. By storing the three-way catalyst 24 in the storage space 26, exhaust gas remaining around the three-way catalyst 24 does not flow out to any of the atmospheric side and the engine body 14 side. The movement of the heat with the exhaust heat as a heating medium is reduced by reducing pressure in the storage space 26. Thus, the temperature of the three-way catalyst 24 hardly drops. As a result, the movement of the heat by the exhaust gas is reduced, and a temperature drop in the three-way catalyst 24 is reduced. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 解决的问题：通过减少从内燃机侧向催化剂的传导，提供一种用于将催化剂长时间维持在活性温度的废气排放控制装置。 解决方案：当汽油发动机11停止运行时，排气通道21被上游侧孔口部分30和下游侧孔口部分40封闭。用于通过上游侧存储三元催化剂24的储存空间26 小孔部分30和下游侧孔部分40通过减压pat 50减压。通过将三元催化剂24储存在储存空间26中，残留在三元催化剂24周围的废气不会流出 到任何大气侧和发动机主体14侧。 通过减少储存空间26中的压力来减少作为加热介质的排热的热量的移动。因此，三元催化剂24的温度几乎不下降。 结果，由排气引起的热量的移动减少，并且三元催化剂24的温度下降降低。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009167941A
公开(公告)日：2009-07-30
申请号：JP2008008305
申请日：2008-01-17
Applicant: Denso Corp , 株式会社デンソー
Inventor： ARAKAWA MIYAO , NISHIJIMA YOSHIAKI , KUROYANAGI MASATOSHI
CPC classification number: F01N3/2892 , B01D53/9454 , B01D2258/012 , B01D2258/014 , F01N3/0842 , F01N3/2006 , F01N3/2013 , F01N3/2033 , F01N3/2066 , F01N13/0097 , F01N2560/06 , Y02T10/22 , Y02T10/26
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device for reducing a specific substance discharged together with exhaust gas, by raising the temperature of a catalyst in a short period of time, when starting an internal combustion engine, without causing a pressure loss and upsizing of a physical constitution.
SOLUTION: An orifice part 40 arranged in an exhaust passage 41 controls the cross-sectional area of the exhaust passage 41 and a flow of the exhaust gas in the exhaust passage 41 by adjusting opening of a first valve member 44 and a second valve member 47. When the temperature of a three-way catalyst 32 is low, the orifice part 40 introduces the flow of the exhaust gas to a part on the outer peripheral side of the three-way catalyst 32. Thus, when the temperature of the three-way catalyst 32 is low, the exhaust gas is introduced to a part of the three-way catalyst 32, and the temperature of the three-way catalyst 32 rises in a short period after starting an engine body 13. The orifice part 40 expands the cross-sectional area of the exhaust passage 41 as the temperature of the three-way catalyst 32 rises, and fully opens the exhaust passage 41 when the temperature of the three-way catalyst 32 reaches the active temperature. Thus, the exhaust gas is introduced to the whole of the three-way catalyst 32, and the pressure loss is reduced.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种废气排放控制装置，用于通过在短时间内提高催化剂的温度来减少与排气一起排放的特定物质，当启动内燃机时，不引起 压力损失和物理宪法的大型化。 解决方案：布置在排气通道41中的孔部分40通过调节第一阀构件44的开口和第二阀构件40来控制排气通道41的横截面积和排气通道41中的排气流 阀构件47.当三元催化剂32的温度低时，孔部40将排气的流动引入到三元催化剂32的外周侧的部分。因此，当温度 三元催化剂32低，排气被引入三元催化剂32的一部分，并且三元催化剂32的温度在起动发动机主体13之后的短时间内上升。孔部分 40随着三元催化剂32的温度升高而膨胀排气通道41的横截面积，并且当三元催化剂32的温度达到有效温度时，使排气通道41完全打开。 因此，将废气引入整个三元催化剂32，并且压力损失降低。 版权所有（C）2009，JPO＆INPIT
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