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41.发明授权Spark plug for internal combustion engine having platinum and iridium alloyed emissive tips 失效具有铂和铱合金发射尖端的内燃机的火花塞
公开(公告)号：US5869921A
公开(公告)日：1999-02-09
申请号：US848681
申请日：1997-04-29
申请人： Wataru Matsutani , Tsutomu Okayama
发明人： Wataru Matsutani , Tsutomu Okayama
CPC分类号： H01T13/39
摘要： In a spark plug for an internal combustion engine, a spark gap is defined between an insulated sparking portion and a grounded sparking portion. At least one of the insulated sparking portion and the grounded sparking portion is made of a molten alloy composed of (a) 99 to 80 wt. % of Ir and (b) 1 to 20 wt. % of Pt. The insulated sparking portion can be a center electrode or a discharge chip attached to a free end of the center electrode, while the grounded sparking portion can be a ground electrode or a discharge chip attached to a free end of the ground electrode.
摘要翻译： 在用于内燃机的火花塞中，在绝缘火花部分和接地的火花部分之间限定火花隙。 绝缘火花部分和接地的火花部分中的至少一个由（a）99-80重量％的熔融合金制成。 Ir的比例和（b）1〜20wt。 ％的Pt。 绝缘火花部分可以是附接到中心电极的自由端的中心电极或放电芯片，而接地的火花部分可以是接地电极或附着到接地电极的自由端的放电芯片。
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公开(公告)号：US5831377A
公开(公告)日：1998-11-03
申请号：US800019
申请日：1997-02-13
CPC分类号： H01T13/20
摘要： In a spark plug including a cylindrical metal shell whose inner wall has a ledge portion, an insulator having a seat portion which engages with a rear slope surface of the ledge portion to be supported within the metal shell, a center electrode supported with an axial bore of the insulator, and a ground electrode extended from the metal shell to form a spark gap with the center electrode. A dimensional relationship among (A), (B) and (g) is defined as follows: {(B-A)/2}.gtoreq.0.8.times.(g) or {(B-A)/2}.gtoreq.0.9.times.(g). Where B (mm) is an inner diameter of a metal shell portion which surrounds an insulator nose, A (mm) is a base diameter of the insulator nose, and g (mm) is a width dimension of the spark gap.
摘要翻译： 在包括其内壁具有凸缘部分的圆柱形金属壳的火花塞中，具有与所述凸缘部的后倾斜表面接合以支撑在所述金属壳内的座部的绝缘体，支撑在所述金属壳内的中心电极， 的绝缘体，以及从金属壳延伸的接地电极，与中心电极形成火花隙。 （A），（B）和（g）之间的尺寸关系定义如下：{（BA）/ 2}> / = 0.8x（g）或{（BA）/ 2}> / = 0.9x ）。 其中B（mm）是围绕绝缘体鼻部的金属壳部分的内径，A（mm）是绝缘子鼻的基部直径，g（mm）是火花隙的宽度尺寸。
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公开(公告)号：US5144188A
公开(公告)日：1992-09-01
申请号：US688120
申请日：1991-04-19
申请人： Junichi Kagawa , Wataru Matsutani
发明人： Junichi Kagawa , Wataru Matsutani
摘要： In a spark plug having a cylindrical metallic shell a front end of which is extended into a combustion chamber of an internal combustion engine, an insulator is provided within the metallic shell so as to provide an annular clearance between a front end of the metallic shell and that of the insulator, a width of the annular clearance being within a range of 0.65 mm .+-.0.25 mm. An extension skirt which the metallic shell is extended into the combustion chamber has a length within a range from 1.0 mm to 3.0 mm. A tapered surface is provided by planing off an inner edge of a front end of the metallic shell, and the surface angularly falls within angles from 20 to 40 degrees. One end of an outer electrode is welded to the tapered surface while other end of the outer electrode is bent to oppose a front end of a center electrode.
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44.发明授权Spark plug with counterelectrode having plural apertures in flat portion thereof 失效具有在其平坦部分中具有多个孔的反电极的火花塞
公开(公告)号：US4914343A
公开(公告)日：1990-04-03
申请号：US288920
申请日：1988-12-23
CPC分类号： H01T13/54 , H01T13/467
摘要： The outer or side electrode of a spark plug is configured as a flat plate confronting the center electrode to define a gap, and fixed to the threaded shell or body of the plug by a plurality of spider legs. A plurality of holes are formed in the plate to improve the plug durability and retard any discharge voltage increases.
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45.再颁专利Method for manufacturing noble metal electric discharge chips for spark plugs 有权用于制造用于火花塞的贵金属放电芯片的方法公开(公告)号：USRE41944E1
公开(公告)日：2010-11-23
申请号：US12257543
申请日：2008-10-24
CPC分类号： B21F45/00 , B21C37/045 , H01T13/39 , H01T21/02 , Y10S72/70 , Y10T29/49117 , Y10T29/49204 , Y10T29/49989 , Y10T29/49991 , Y10T29/5195
摘要： In a wire drawing process for forming a wire rod containing iridium as a main component and which further contains nickel and at least one of platinum, rhodium and ruthenium, and having a cross-sectional area of not smaller than 0.05 mm2 and not larger than 1.2 mm2. The worked material is continuously heated red hot and/or white hot in a heating region 103 extending up to 60 mm from the work inserting surface 101a of a die 101 in a direction opposite that in which the work 102 moves, the work being heated to a temperature of 1000 to 1150° C. at a temperature measuring position 105 which is removed from the work inserting surface 101a by 20 mm. Furthermore, the temperature in the region 106 extending from the temperature measuring position 105 to the work inserting surface 101a is set to not lower than 1000° C., and the wire drawing rate is set to 300 to 1600 mm/min.
摘要翻译： 在用于形成含有铱作为主要成分并且还包含镍和至少一种铂，铑和钌的线材并且具有不小于0.05mm 2且不大于1.2的横截面积的线材的拉丝工艺中 mm2。 被加工材料在与工件102移动的方向相反的方向从模具101的工件插入面101a延伸达60mm的加热区域103中连续加热红热和/或白热，加热到 在从工件插入表面101a移除20mm的温度测量位置105处的温度为1000至1150℃。 此外，从温度测量位置105延伸到工件插入表面101a的区域106中的温度设定为不低于1000℃，并且拉丝速率设定为300至1600mm / min。
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公开(公告)号：US07827954B2
公开(公告)日：2010-11-09
申请号：US11603158
申请日：2006-11-22
摘要： There is provided a method for controlling a plasma-jet spark plug in a four-stroke internal combustion engine, including the steps of: causing the spark plug to generate a primary discharge during either a compression stroke or an expansion stroke of the engine in such a manner as to produce a plasma by the primary discharge; and causing the spark plug to generate a secondary discharge during a time after the primary discharge and before the completion of a subsequent intake stroke of the engine.
摘要翻译： 提供了一种用于控制四冲程内燃机中的等离子体火花塞的方法，包括以下步骤：在发动机的压缩冲程或膨胀冲程期间使火花塞产生初次排放 通过初次放电产生等离子体的方式; 并且使得火花塞在一次排出之后的时间和在随后的发动机的进气冲程完成之前产生二次排放。
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公开(公告)号：US07804232B2
公开(公告)日：2010-09-28
申请号：US10571690
申请日：2005-01-27
CPC分类号： C22C19/056 , H01T13/39
摘要： To provide a spark plug in which separation of a tip can be prevented and enough wear resistance can be obtained without increasing the content of nickel in the tip portion, and a use method of the spark plug.In a spark plug (100) including an outside electrode (10) including an electrode body portion (11) and a tip (12) bonded to the electrode body portion (11), and a center electrode (20), and the tip (12) is opposed to the front end portion of the center electrode (20) through a spark discharge gap (G), the electrode body portion (11) is made of a nickel alloy containing 13 to 18% by mass of Cr, 0.03 to 0.08% by mass of C, 1 to 3.5% by mass of Mo, 0 to 0.8% by mass of Si, Al, Mn and Ti, and 68% by mass or more of Ni, and the tip (12) is made of a platinum alloy containing 0 to 4% by mass of Ni.
摘要翻译： 为了提供火花塞，其中可以防止尖端的分离，并且可以获得足够的耐磨性而不增加尖端部分中的镍含量，以及火花塞的使用方法。 在包括外部电极（10）的火花塞（100）中，包括电极主体部分（11）和接合到电极体部分（11）的端部（12），以及中心电极（20）和尖端 12）通过火花放电间隙（G）与中心电极（20）的前端部相对，电极体部（11）由含有13〜18质量％的Cr，0.03〜 0.08质量％的C，1〜3.5质量％的Mo，0〜0.8质量％的Si，Al，Mn和Ti，以及68质量％以上的Ni，前端（12）由 含有0〜4质量％的Ni的铂合金。
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公开(公告)号：US07714488B2
公开(公告)日：2010-05-11
申请号：US11601111
申请日：2006-11-17
IPC分类号： H01T13/20
CPC分类号： F02P9/007 , F02P3/0884 , H01T13/20 , H01T13/50
摘要： A plasma jet spark plug provides improved ignitability and durability by forming a part of a spark discharge gap outside the electric discharge space which generates plasma. An ignition system for the plasma jet spark plug is also disclosed. The plasma jet spark plug includes a center electrode, an insulator defining an axial bore which partially surrounds the center electrode, a cavity surrounded by an inner circumferential face of the axial bore which extends from an opening portion of a front end of the axial bore of the insulator and wherein a front end face of the center electrode is formed. A ground electrode is bent towards a front end portion of the insulator.
摘要翻译： 等离子体火花塞通过在产生等离子体的放电空间之外形成火花放电间隙的一部分来提供改善的点火性和耐久性。 还公开了一种用于等离子体火花塞的点火系统。 等离子喷射火花塞包括中心电极，限定轴向孔的绝缘子，其部分地围绕中心电极，由轴向孔的内周面包围的空腔，其从轴向孔的前端的开口部分延伸， 绝缘体，其中形成中心电极的前端面。 接地电极朝向绝缘体的前端部弯曲。
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公开(公告)号：US07382084B2
公开(公告)日：2008-06-03
申请号：US10514786
申请日：2004-03-22
IPC分类号： H01T13/20
CPC分类号： C22C5/04 , C22C1/0466 , C22C32/0021 , H01T13/39
摘要： An object of the invention is to provide a spark plug having a discharge portion made of a precious metal tip, in which peeling of the precious metal tip from a surface of the discharge portion can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the discharge portion can be suppressed.
摘要翻译： 本发明的目的是提供一种火花塞，其具有由贵金属端头构成的排出部分，其中可以抑制贵金属尖端从排出部分的表面的剥离，同时具有火花磨损，氧化磨损和异常磨损 可以抑制排出部。
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50.发明授权Method for manufacturing noble metal electric discharge chips for spark plugs 有权用于制造用于火花塞的贵金属放电芯片的方法公开(公告)号：US07131191B2
公开(公告)日：2006-11-07
申请号：US10823662
申请日：2004-04-14
CPC分类号： B21F45/00 , B21C37/045 , H01T13/39 , H01T21/02 , Y10S72/70 , Y10T29/49117 , Y10T29/49204 , Y10T29/49989 , Y10T29/49991 , Y10T29/5195
摘要： In a wire drawing process for forming a wire rod containing iridium as a main component and which further contains nickel and at least one of platinum, rhodium and ruthenium, and having a cross-sectional area of not smaller than 0.05 mm2 and not larger than 1.2 mm2. The worked material is continuously heated red hot and/or white hot in a heating region 103 extending up to 60 mm from the work inserting surface 101a of a die 101 in a direction opposite that in which the work 102 moves, the work being heated to a temperature of 1000 to 1150° C. at a temperature measuring position 105 which is removed from the work inserting surface 101a by 20 mm. Furthermore, the temperature in the region 106 extending from the temperature measuring position 105 to the work inserting surface 101a is set to not lower than 1000° C., and the wire drawing rate is set to 300 to 1600 mm/min.
摘要翻译： 在用于形成含有铱作为主要成分并且还包含镍和至少一种铂，铑和钌的线材并且具有不小于0.05mm 2的截面积的线材的拉丝工艺中， / SUP>且不大于1.2mm 2。 加工材料在与工件102移动的方向相反的方向上从模具101的工件插入表面101a延伸到加热区域103的加热区域103中持续加热和/或白热，加热的工件 在从工件插入表面101a移除20mm的温度测量位置105处为1000至1150℃的温度。 此外，将从温度测量位置105延伸到工件插入表面101a的区域106中的温度设定为不低于1000℃，并且拉丝速率设定为300至1600mm / min。
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