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1. 发明申请

US20060043855A1 Spark plug 有权
标题翻译：火花塞
公开(公告)号：US20060043855A1
公开(公告)日：2006-03-02
申请号：US10519075
申请日：2004-03-22
申请人： Kenji Nunome , Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara
发明人： Kenji Nunome , Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara
IPC分类号： H01T13/02
CPC分类号： H01T13/39 , B22F2998/10 , C22C1/0466 , B22F3/02 , B22F3/15
摘要： An object of the invention is to provide a higher-durability spark plug provided with a center electrode and a side electrode to form a spark discharge gap between the center electrode and the side electrode, at least one of the center electrode and the side electrode including a precious metal member facing the spark discharge gap, in which a sweating phenomenon of the precious metal member can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the precious metal member can be suppressed. In the invention, the spark plug (100) comprises a center electrode (3), and a side electrode (4) located on one side of the center electrode (3) so that a spark discharge gap (G) is formed between the center electrode (3) and the side electrode (4). The center electrode (3) and the side electrode (4) include first and second precious metal tips (33) and (43) respectively. The first and second precious metal tips (33) and (43) face the spark discharge gap (G) so that the spark discharge gap (G) is formed. The precious metal tips (33) and so on contain Ir as a main component, 0.3 mass % to 43 mass % of Rh, 5.2 mass % to 41 mass % of Ru, and 0.4 mass % to 19 mass % of Ni.
摘要翻译：本发明的目的是提供一种具有中心电极和侧电极的高耐久性火花塞，以在中心电极和侧电极之间形成火花放电间隙，至少一个中心电极和侧电极包括面对火花放电间隙的贵金属构件可以抑制贵金属构件的出汗现象，同时可以抑制贵金属构件的火花磨损，氧化磨损和异常磨损。在本发明中，火花塞（100）包括中心电极（3）和位于中心电极（3）一侧的侧电极（4），使得在中心电极（3）之间形成火花放电间隙（G）电极（3）和侧电极（4）。中心电极（3）和侧电极（4）分别包括第一和第二贵金属尖端（33）和（43）。第一和第二贵金属端头（33）和（43）面对火花放电间隙（G），从而形成火花放电间隙（G）。贵金属制头（33）等含有Ir为主成分，Rh为0.3质量％〜43质量％，Ru为5.2质量％〜41质量％，Ni为0.4质量％〜19质量％。

2. 发明授权

US07279827B2 Spark plug with electrode including precious metal 有权
标题翻译：带电极的火花塞，包括贵金属
公开(公告)号：US07279827B2
公开(公告)日：2007-10-09
申请号：US10519075
申请日：2004-03-22
申请人： Kenji Nunome , Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara
发明人： Kenji Nunome , Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara
IPC分类号： H01T13/20
CPC分类号： H01T13/39 , B22F2998/10 , C22C1/0466 , B22F3/02 , B22F3/15
摘要： An object of the invention is to provide a higher-durability spark plug provided with a center electrode and a side electrode. At least one of the center electrode and the side electrode includes a precious metal member facing a spark discharge gap between the electrodes. A sweating phenomenon of the precious metal member can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the precious metal member are suppressed. The precious metal member contains Ir as a main component, and smaller amounts of Rh, Ru, and Ni.
摘要翻译：本发明的目的是提供一种设置有中心电极和侧面电极的耐久性更高的火花塞。中心电极和侧面电极中的至少一个包括面对电极之间的火花放电间隙的贵金属构件。可以抑制贵金属构件的出汗现象，同时抑制贵金属构件的火花磨损，氧化磨损和异常磨损。贵金属构件含有Ir作为主要成分，较少量的Rh，Ru，Ni。

3. 发明授权

US07382084B2 Spark plug having a precious metal tip 有权
标题翻译：火花塞具有贵金属尖端
公开(公告)号：US07382084B2
公开(公告)日：2008-06-03
申请号：US10514786
申请日：2004-03-22
申请人： Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara , Kenji Nunome
发明人： Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara , Kenji Nunome
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。

4. 发明申请

US20060061250A1 Spark plug 有权
标题翻译：火花塞
公开(公告)号：US20060061250A1
公开(公告)日：2006-03-23
申请号：US10514786
申请日：2004-03-22
申请人： Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara , Kenji Nunome
发明人： Osamu Yoshimoto , Wataru Matsutani , Yoshihiro Matsubara , Kenji Nunome
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. The invention comprises a center electrode (3), and a ground electrode (4) disposed so that its side surface is opposite to a leading end portion of the center electrode (3), characterized in that: a center electrode-side precious metal tip (31′) or a ground electrode-side precious metal tip (32′) is welded to at least one of the center electrode (3) and the ground electrode (4) to thereby form a center electrode-side discharge portion (31) having a center electrode-side discharge-surface (31t) or a ground electrode-side discharge portion (32) having a ground electrode-side discharge surface (32t) in a position opposite to a spark discharge gap g; and the center electrode-side precious metal tip (31′) or the ground electrode-side precious metal tip (32′) contains Ir as a main component, Rh, and Ni and further contains at least one of Pt and Pd.
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。

5. 发明授权

US07288879B2 Spark plug having ground electrode including precious metal alloy portion containing first, second and third components 有权
标题翻译：具有接地电极的火花塞包括含有第一，第二和第三组分的贵金属合金部分
公开(公告)号：US07288879B2
公开(公告)日：2007-10-30
申请号：US10951788
申请日：2004-09-29
申请人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
发明人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
IPC分类号： H01T13/20 , H01T13/39
CPC分类号： H01T13/32 , H01T13/39
摘要： A spark plug including: a cylindrical metal shell; a cylindrical insulator fixed to the metal shell; a center electrode having its leading end protruding from a leading end of the insulator and its trailing end fixed to the insulator; and a ground electrode having one end fixed to the metal shell and forming a discharge gap between the ground electrode and the center electrode. The ground electrode includes a precious metal alloy portion containing: 50 weight % or more of a first component of one of Rh and Pt; less than 50 weight % of a second component of the other of Rh and Pt; and optionally a third component containing at least one of: Ni in an amount of less than 7 weight %; and Zr in an amount of less than 2 weight % the content of the third component being less than that of the second component.
摘要翻译：一种火花塞，包括：圆柱形金属壳; 固定在金属外壳上的圆柱形绝缘体; 中心电极的前端从绝缘体的前端突出，其后端固定在绝缘体上; 以及接地电极，其一端固定在金属壳上，并在接地电极和中心电极之间形成放电间隙。接地电极包括含有50重量％以上的Rh和Pt中的一个的第一成分的贵金属合金部分; Rh和Pt中另一个的第二成分的重量比小于50重量％和任选的含有少于7重量％的Ni中的至少一种的第三组分; 和Zr的量小于2重量％，第三组分的含量小于第二组分的含量。

6. 发明申请

US20060043856A1 Spark plug 有权
标题翻译：火花塞
公开(公告)号：US20060043856A1
公开(公告)日：2006-03-02
申请号：US10951788
申请日：2004-09-29
申请人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
发明人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
IPC分类号： H01T13/20
CPC分类号： H01T13/32 , H01T13/39
摘要： A spark plug including: a cylindrical metal shell; a cylindrical insulator fixed to the metal shell; a center electrode having its leading end protruding from a leading end of the insulator and its trailing end fixed to the insulator, and a ground electrode having one end fixed to the metal shell and forming a discharge gap between the ground electrode and the center electrode. The ground electrode includes a precious metal alloy portion containing: 50 weight % or more of a first component of one of Rh and Pt; less than 50 weight % of a second component of the other of Rh and Pt; and optionally a third component containing at least one of: Ni in an amount of less than 7 weight %; and Zr in an amount of less than 2 weight % the content of the third component being less than that of the second component.
摘要翻译：一种火花塞，包括：圆柱形金属壳; 固定在金属外壳上的圆柱形绝缘体; 中心电极的前端从绝缘体的前端突出，其后端固定在绝缘体上，接地电极的一端固定在金属外壳上，在接地电极和中心电极之间形成放电间隙。接地电极包括含有50重量％以上的Rh和Pt中的一个的第一成分的贵金属合金部分; Rh和Pt中另一个的第二成分的重量比小于50重量％和任选的含有少于7重量％的Ni中的至少一种的第三组分; 和Zr的量小于2重量％，第三组分的含量小于第二组分的含量。

7. 再颁专利

USRE41944E1 Method for manufacturing noble metal electric discharge chips for spark plugs 有权
标题翻译：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
申请人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
发明人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
IPC分类号： H01R43/16 , B21F45/00 , H01T13/39 , H01T21/02
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。

8. 发明授权

US07131191B2 Method for manufacturing noble metal electric discharge chips for spark plugs 有权
标题翻译：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
申请人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
发明人： Wataru Matsutani , Osamu Yoshimoto , Yoshihiro Matsubara
IPC分类号： H01R43/16 , B23P25/00 , H01T21/02 , B21C21/00 , B23K26/00
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。

9. 发明授权

US06724133B2 Spark plug with nickel alloy electrode base material 失效
标题翻译：火花塞采用镍合金电极基材
公开(公告)号：US06724133B2
公开(公告)日：2004-04-20
申请号：US09953173
申请日：2001-09-17
申请人： Naomichi Miyashita , Yoshihiro Matsubara , Wataru Matsutani , Masayuki Segawa , Hiroaki Kuki , Mamoru Musasa
发明人： Naomichi Miyashita , Yoshihiro Matsubara , Wataru Matsutani , Masayuki Segawa , Hiroaki Kuki , Mamoru Musasa
IPC分类号： H01T1320
CPC分类号： H01T13/52 , H01T13/39
摘要： A spark plug having a center electrode 2 formed from an electrode base material 2n, which is made of an Ni alloy containing an alloy component (e.g., Cr) capable of forming an oxide semiconductor having a resistivity of negative temperature coefficient. Thus, a corrosion suppression layer originating from the components of the electrode base material is formed on the surface of a tip end portion of the insulator 3, so that corrosion (channeling) of the surface of the tip end portion of the insulator 3 due to creeping spark discharge can be effectively suppressed. In addition, when the constituent metal of the electrode base material 2n has a coefficient of thermal conductivity of 17 to 30 W/m·K, the heat transfer performance of the electrode is enhanced, so that durability against electrode consumption can be greatly improved.
摘要翻译：一种火花塞，其具有由电极母材2n形成的中心电极2，该电极基体材料由含有能够形成具有负温度系数的电阻率的氧化物半导体的合金成分（例如Cr）的Ni合金制成。因此，在绝缘体3的前端部的表面上形成起因于电极基体的部件的腐蚀抑制层，由此导致绝缘子3的前端部的表面的腐蚀（沟通）可以有效地抑制蠕动火花放电。此外，当电极母材2n的构成金属的导热系数为17〜30W / m·K时，电极的传热性能提高，能够极大地提高耐电极消耗的耐久性。

10. 发明授权

US5831377A Spark plug in use for an internal combustion engine 失效
标题翻译：用于内燃机的火花塞
公开(公告)号：US5831377A
公开(公告)日：1998-11-03
申请号：US800019
申请日：1997-02-13
申请人： Yoshihiro Matsubara , Iwao Kunitomo , Wataru Matsutani
发明人： Yoshihiro Matsubara , Iwao Kunitomo , Wataru Matsutani
IPC分类号： H01T13/20 , F02M57/06 , F02P13/00 , H01T13/00
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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