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1. 发明授权

US08120235B2 Spark plug for internal combustion engine and method for manufacturing spark plug 有权
标题翻译：用于内燃机的火花塞和用于制造火花塞的方法
公开(公告)号：US08120235B2
公开(公告)日：2012-02-21
申请号：US12741901
申请日：2008-11-20
申请人： Kenji Nunome , Hiroaki Kuki , Hiroyuki Kameda , Kazumasa Yoshida
发明人： Kenji Nunome , Hiroaki Kuki , Hiroyuki Kameda , Kazumasa Yoshida
IPC分类号： H01T13/00
CPC分类号： H01T13/39 , H01T21/02
摘要： A spark plug including a center electrode and a ground electrode. A center electrode noble metal tip is joined to a leading end portion of a center electrode, and a ground electrode noble metal tip is joined to a center-electrode-side side surface of the ground electrode. A distal end portion of the ground electrode noble metal tip protrudes from a distal-end surface of the ground electrode by 0.1 mm to 1.5 mm. A center-electrode-side side surface of the ground electrode noble metal tip projects from a center-electrode-side side surface by 0.15 mm to 0.6 mm. The ground electrode includes chamfered portions. Thickness lengths and widthwise lengths of the respective chamfered portions achieved within a cross section perpendicular to a center axis of the ground electrode are set to 0.2 mm or more.
摘要翻译：一种包括中心电极和接地电极的火花塞。中心电极用贵金属电极头接合于中心电极的前端部，接地电极用贵金属电极头接合于接地电极的中心电极侧面。接地电极用贵金属电极头的前端部从接地电极的前端面突出0.1mm〜1.5mm。接地电极用贵金属电极头的中心电极侧面从中心电极侧面突出0.15mm〜0.6mm。接地电极包括倒角部分。在与接地电极的中心轴垂直的截面内实现的各个倒角部的厚度长度和宽度方向的长度设定为0.2mm以上。

2. 发明申请

US20100264803A1 SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTURING SPARK PLUG 有权
标题翻译：用于内燃机的火花塞和制造火花塞的方法
公开(公告)号：US20100264803A1
公开(公告)日：2010-10-21
申请号：US12741901
申请日：2008-11-20
申请人： Kenji Nunome , Hiroaki Kuki , Hiroyuki Kameda , Kazumasa Yoshida
发明人： Kenji Nunome , Hiroaki Kuki , Hiroyuki Kameda , Kazumasa Yoshida
IPC分类号： H01T13/20 , H01T21/02
CPC分类号： H01T13/39 , H01T21/02
摘要： A spark plug including a center electrode and a ground electrode. A center electrode noble metal tip is joined to a leading end portion of a center electrode, and a ground electrode noble metal tip is joined to a center-electrode-side side surface of the ground electrode. A distal end portion of the ground electrode noble metal tip protrudes from a distal-end surface of the ground electrode by 0.1 mm to 1.5 mm. A center-electrode-side side surface of the ground electrode noble metal tip projects from a center-electrode-side side surface by 0.15 mm to 0.6 mm. The ground electrode includes chamfered portions. Thickness lengths and widthwise lengths of the respective chamfered portions achieved within a cross section perpendicular to a center axis of the ground electrode are set to 0.2 mm or more.
摘要翻译：一种包括中心电极和接地电极的火花塞。中心电极用贵金属电极头接合于中心电极的前端部，接地电极用贵金属电极头接合于接地电极的中心电极侧面。接地电极用贵金属电极头的前端部从接地电极的前端面突出0.1mm〜1.5mm。接地电极用贵金属电极头的中心电极侧面从中心电极侧面突出0.15mm〜0.6mm。接地电极包括倒角部分。在与接地电极的中心轴垂直的截面内实现的各个倒角部的厚度长度和宽度方向的长度设定为0.2mm以上。

3. 发明授权

US07821186B2 Spark plug having specific configuration of center electrode with respect to outer electrode 有权
标题翻译：具有相对于外部电极的中心电极的具体结构的火花塞
公开(公告)号：US07821186B2
公开(公告)日：2010-10-26
申请号：US12339599
申请日：2008-12-19
申请人： Hiroyuki Kameda , Katsutoshi Nakayama , Satoshi Nagasawa , Kazumasa Yoshida
发明人： Hiroyuki Kameda , Katsutoshi Nakayama , Satoshi Nagasawa , Kazumasa Yoshida
IPC分类号： H01T13/20
CPC分类号： H01T13/39 , H01T13/16 , H01T13/32
摘要： A spark plug includes an outer electrode including an outer electrode tip of which a distal end surface is spaced from an outer peripheral surface of a leading end portion of a center electrode to define a spark discharge gap. A protruding insulator portion of a cylindrical insulator protrudes at least 1.0 mm from a leading end surface of a cylindrical metal shell. A protruding center electrode portion of the center electrode protrudes at least 3.5 mm from the leading end surface of the cylindrical metal shell. A relationship (θ1+θ2)/2≧75 degrees is satisfied where the angle θ1 is defined as a central angle (degrees) of a first circular sector having a point B1 as a center thereof, and the angle θ2 is an average value (degrees) of the central angles of two second circular sectors having the point B1 as a center thereof.
摘要翻译：火花塞包括外电极，外电极端部的远端表面与中心电极的前端部分的外周表面间隔开以限定火花放电间隙。圆柱形绝缘体的突出的绝缘体部分从圆柱形金属壳的前端表面突出至少1.0mm。中心电极的突出的中心电极部分从圆柱形金属壳的前端表面突出至少3.5mm。将角度和角度1定义为具有点B1为中心的第一圆形扇形的中心角度（度），并且角度（θ）与角度（θ）之间的关系（＆Thetas; 1 +＆thetas; 2）/2≥75度＆thetas; 2是以点B1为中心的两个第二圆形扇形体的中心角度的平均值（度）。

4. 发明授权

US09133812B2 Ignition apparatus and ignition system 有权
标题翻译：点火装置和点火系统
公开(公告)号：US09133812B2
公开(公告)日：2015-09-15
申请号：US13699113
申请日：2011-12-26
申请人： Hiroyuki Kameda
发明人： Hiroyuki Kameda
IPC分类号： F02P3/01 , F02P15/00 , F02P3/04 , F02P3/08
CPC分类号： F02P15/00 , F02P3/01 , F02P3/04 , F02P3/08
摘要： An ignition apparatus which facilitates improvement in energy efficiency as well as materializing an excellent ignitability through effectively utilizing energy used for inductive discharge as a blowout power. The ignition apparatus is used for an ignition plug that includes a center electrode, a ground electrode and a cavity surrounding at least a portion of a clearance formed between the two electrodes to thereby form a discharge space. The ignition apparatus includes a voltage application portion which applies voltage to the clearance and a power supply portion which supplies electric power to the clearance. In addition, a capacitance portion for storing a capacitance is provided, in parallel with the ignition plug, in a voltage application path of the voltage application portion.
摘要翻译：一种点火装置，其有助于提高能量效率，并且通过有效地利用用于感应放电的能量作为吹出电力来实现优异的点火性。点火装置用于包括中心电极，接地电极和围绕形成在两个电极之间的间隙的至少一部分的空腔的火花塞，从而形成放电空间。点火装置包括向间隙施加电压的电压施加部分和向间隙提供电力的电源部分。此外，在电压施加部的电压施加路径中，与火花塞并联设置用于存储电容的电容部。

5. 发明授权

US08736917B2 Overhead image-reading apparatus image processing method, and computer program product 有权
标题翻译：架空图像读取装置图像处理方法和计算机程序产品
公开(公告)号：US08736917B2
公开(公告)日：2014-05-27
申请号：US13415194
申请日：2012-03-08
申请人： Ikuo Murata , Naofumi Kado , Hiroyuki Kameda
发明人： Ikuo Murata , Naofumi Kado , Hiroyuki Kameda
IPC分类号： H04N1/04
CPC分类号： H04N1/193 , H04N2201/0434 , H04N2201/04787 , H04N2201/04789 , H04N2201/04793 , H04N2201/04794
摘要： An overhead image-reading apparatus includes a one-dimensional image sensor having imaging elements arranged in parallel to each other and is configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium, and the apparatus includes a correcting unit that corrects distortion in a main-scanning direction in read image data of the medium read by the apparatus.
摘要翻译：顶置图像读取装置包括具有彼此平行布置的成像元件的一维图像传感器，并且被配置为在读取介质期间改变光源的光轴和要读取的介质之间的角度，以及该装置包括校正单元，其校正由该装置读取的介质的读取图像数据中的主扫描方向的失真。

6. 发明授权

US08324791B2 Spark plug for internal combustion engine 有权
标题翻译：内燃机火花塞
公开(公告)号：US08324791B2
公开(公告)日：2012-12-04
申请号：US12274396
申请日：2008-11-20
申请人： Hiroyuki Kameda , Mamoru Musasa
发明人： Hiroyuki Kameda , Mamoru Musasa
IPC分类号： H01T13/26 , H01T21/02
CPC分类号： H01T13/39 , H01T13/32 , H01T21/02
摘要： A spark plug including: a rod-shaped center electrode; an insulator; a metal shell; a ground electrode joined to the metal shell and bent toward the center electrode; a noble metal tip joined to an end portion of the ground electrode and opposing a leading end portion of the center electrode via a gap; and a bulge portion. A part of the noble metal tip is embedded in the ground electrode, and another part of the noble metal tip protrudes from a distal end surface of the ground electrode. A relationship A≧0.25 mm is satisfied where A (mm) is a protruding length of the noble metal tip from the distal end surface. The bulge portion covers a center part of a boundary between the noble metal tip and the end surface in a width direction.
摘要翻译：一种火花塞，包括：杆状中心电极; 绝缘体金属壳; 连接到金属壳并朝向中心电极弯曲的接地电极; 接合到接地电极的端部并且经由间隙与中心电极的前端部相对的贵金属端头; 和凸起部分。贵金属电极头的一部分嵌入到接地电极中，贵金属电极头的另一部分从接地电极的远端表面突出。 A（mm）是贵金属电极头从前端面突出的长度，满足A≥0.25mm的关系。凸起部覆盖贵金属端头和端面之间在宽度方向上的边界的中心部分。

7. 发明申请

US20120169244A1 IGNITION SYSTEM FOR PLASMA JET IGNITION PLUG 有权
标题翻译：用于等离子体喷射点火喷嘴的点火系统
公开(公告)号：US20120169244A1
公开(公告)日：2012-07-05
申请号：US13310080
申请日：2011-12-02
申请人： Hiroyuki Kameda , Daisuke Nakano
发明人： Hiroyuki Kameda , Daisuke Nakano
IPC分类号： H01T15/00
CPC分类号： F02P9/007 , F02P23/045 , H01T13/50
摘要： An ignition system for a plasma jet ignition plug that enables a reduction in production cost and provides excellent ignition performance through improvement of plasma formation efficiency. The ignition system includes a plasma jet ignition plug having a center electrode, a ground electrode, and a cavity surrounding at least a portion of a gap formed between the center electrode and the ground electrode to form a discharge space, and a voltage application section for applying voltage across the gap. The ignition system further includes a capacitance section having a capacitance and provided in parallel with the plasma jet ignition plug between the plasma jet ignition plug and the voltage application section.
摘要翻译：一种用于等离子喷射火花塞的点火系统，其能够降低生产成本，并且通过提高等离子体形成效率提供优异的点火性能。点火系统包括具有中心电极，接地电极和围绕形成在中心电极和接地电极之间的间隙的至少一部分的空腔的等离子体火花塞，以形成放电空间;以及电压施加部分，用于在间隙上施加电压。点火系统还包括具有静电电容的电容部分，并且与等离子喷射火花塞和电压施加部之间的等离子体喷射火花塞并联设置。

8. 发明申请

US20120153799A1 PLASMA JET IGNITION PLUG 失效
标题翻译：等离子喷射点火插头
公开(公告)号：US20120153799A1
公开(公告)日：2012-06-21
申请号：US13308802
申请日：2011-12-01
申请人： Hiroyuki Kameda
发明人： Hiroyuki Kameda
IPC分类号： H01T13/20
CPC分类号： H01T13/50 , H01T13/16
摘要： A plasma jet ignition plug exhibiting high plasma generation efficiency while restraining occurrence of preignition. P1 represents the position of a rear end of a region of a metallic shell ledge, the region being in contact with an insulator. P2 represents the position of a rear end of a region of the insulator ledge, the region being in contact with the center electrode. Front end surfaces of the metallic shell, the insulator, and center electrode, an imaginary plane S1 which is perpendicular to the axis and contains position P1, and an imaginary plane perpendicular to the axis and contains position P2 are disposed in this order from front side to rear side along the axis. The axial distance A from the front end surface of the insulator to imaginary plane S1 and axial distance B from the imaginary plane S1 to imaginary plane S2 satisfy 0.5×A≦B.
摘要翻译：等离子体喷射火花塞，其具有高等离子体产生效率，同时抑制预发射的发生。 P1表示金属壳凸缘的区域的后端的位置，该区域与绝缘体接触。 P2表示绝缘体凸缘的区域的后端的位置，该区域与中心电极接触。金属外壳，绝缘体和中心电极的前端面，垂直于轴线并包含位置P1的虚拟平面S1和垂直于轴线并包含位置P2的假想平面以从前侧开始的顺序沿着轴的后侧。 B从绝缘体的前端面到假想平面S1的轴向距离A以及从虚拟平面S1到虚拟平面S2的轴向距离B满足0.5×A＆

9. 发明授权

US08203258B2 Spark plug for low temperature environment 有权
标题翻译：火花塞用于低温环境
公开(公告)号：US08203258B2
公开(公告)日：2012-06-19
申请号：US12998534
申请日：2009-11-02
申请人： Hiroyuki Kameda , Tomoaki Kato
发明人： Hiroyuki Kameda , Tomoaki Kato
IPC分类号： H01T13/20
CPC分类号： H01T13/467 , H01T13/32
摘要： A spark plug having an electrode, an insulator, a metallic shell, a main ground electrode, and at least two auxiliary ground electrodes.
摘要翻译：一种具有电极，绝缘体，金属壳，主接地电极和至少两个辅助接地电极的火花塞。

10. 发明申请

US20120080995A1 PLASMA JET IGNITION PLUG AND MANUFACTURING METHOD THEREOF 有权
标题翻译：等离子喷嘴喷嘴及其制造方法
公开(公告)号：US20120080995A1
公开(公告)日：2012-04-05
申请号：US13239891
申请日：2011-09-22
申请人： Naofumi Yamamura , Hiroyuki Kameda , Daisuke Nakano , Daisuke Kasahara
发明人： Naofumi Yamamura , Hiroyuki Kameda , Daisuke Nakano , Daisuke Kasahara
IPC分类号： H01T13/20 , H01T21/02
CPC分类号： H01T13/52 , H01T13/16 , H01T13/32 , H01T21/02
摘要： A plasma jet ignition plug that reliably prevents current leakage with restraint on variation in the position of a ground electrode relative to an insulator and on overheat of the ground electrode, for stable generation of plasma. The plug includes an insulator having an axial bore extending in the direction of an axis CL1, a center electrode inserted in the axial bore, a metallic shell disposed externally of the outer circumference of the insulator, and a ground electrode fixed to the metallic shell, and has a cavity defined by the wall surface of the axial bore and the front end surface of the center electrode. Supports intervene between the insulator and the ground electrode. A space formed radially outward of the supports and a space formed radially inward of the support communicate with each other.
摘要翻译：一种等离子喷射火花塞，其可靠地防止接地电极相对于绝缘体的位置变化和接地电极过热时的电流泄漏，从而稳定地产生等离子体。插塞包括具有沿轴线CL1的方向延伸的轴向孔的绝缘体，插入在轴向孔中的中心电极，设置在绝缘体的外周的外部的金属壳和固定到金属壳的接地电极，并且具有由轴向孔的壁表面和中心电极的前端表面限定的空腔。支持绝缘体和接地电极之间的介入。形成在所述支撑体的径向外侧的空间和从所述支撑体的径向内侧形成的空间相互连通。

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