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1. 发明申请

WO2005048427A1 SPARK PLUG CENTER ELECTRODE ASSEMBLY 审中-公开
标题翻译：火花塞中心电极组件
公开(公告)号：WO2005048427A1
公开(公告)日：2005-05-26
申请号：PCT/US2004/028943
申请日：2004-09-07
申请人： FEDERAL-MOGUL CORPORATION , LYKOWSKI, James, D. , DOWNS, Darren, C.
发明人： LYKOWSKI, James, D. , DOWNS, Darren, C.
IPC分类号： H01T13/39
CPC分类号： H01T13/39 , H01T21/02
摘要： A spark plug having a center electrode assembly that includes a center electrode and precious metal insert that is both mechanically interlocked and welded to the center electrode in a manner that permits trapped gases to escape from between the two components. Also disclosed is a method for manufacturing the same. During assembly, the precious metal insert is placed into a blind hole that extends axially into a lower end of the center electrode. Once in place, the center electrode is deformed around an enlarged head section of the insert to mechanically interlock the two components together. To further strengthen this attachment, the two components are welded together about their circumference. In one embodiment, the weld includes several interruptions that function as vapor vents for any gases that may be trapped. In other embodiments, a radially or an axially-extending vent hole is used in lieu of the weld interruptions.
摘要翻译：一种具有中心电极组件的火花塞，该中心电极组件包括中心电极和贵金属插入件，其以允许被捕获的气体从两个部件之间逸出的方式机械地互锁并焊接到中心电极。还公开了其制造方法。在组装期间，贵金属插入件被放置在轴向延伸到中心电极的下端的盲孔中。一旦就位，中心电极围绕插入件的扩大的头部部分变形，以将两个部件机械地互锁在一起。为了进一步加强这种附件，两个部件围绕其周边焊接在一起。在一个实施例中，焊缝包括作为可能被捕获的任何气体的蒸汽通风口的几个中断。在其他实施例中，使用径向或轴向延伸的通气孔来代替焊接中断。

2. 发明申请

WO2005048426A1 GLASS SEALED SPARK PLUG ASSEMBLY 审中-公开
标题翻译：玻璃密封火花塞组件
公开(公告)号：WO2005048426A1
公开(公告)日：2005-05-26
申请号：PCT/US2004/028940
申请日：2004-09-07
申请人： FEDERAL-MOGUL CORPORATION , DOWNS, Darren, C. , FREEMAN, Robert, D. , GEER, Lawrence, W. , NOHL, Thomas
发明人： DOWNS, Darren, C. , FREEMAN, Robert, D. , GEER, Lawrence, W. , NOHL, Thomas
IPC分类号： H01T13/38
CPC分类号： H01T13/38 , H01T13/34 , H01T21/02
摘要： A spark plug includes an electrode which during assembly is inserted into a vertical bore of a ceramic insulator from beneath. The electrode has an expanded fning end protruding from the insulator bottom, Tabs at an upper end of the electrode are expanded inside the bore to engage the insulator, and this is done using a removable expanding tool inserted into the insulator. A conductive glass in granular form is poured into the bore and envelops the expanded upper end of the electrode. A sacrificial conductive push pin inserts into the upper bore over the glass granules. The sub-assembly is heated to melt the glass and the push pin is pressed down into the melted glass. Upon cooling, the glass within the insulator fuses forming a seal which further strengthens the flared en agement of the electrode to the insulator.
摘要翻译：火花塞包括在组装期间从下面插入陶瓷绝缘体的垂直孔中的电极。电极具有从绝缘体底部突出的扩展的端部，电极的上端的突出部在孔内扩张以接合绝缘体，并且这是使用插入到绝缘体中的可移除的扩展工具来完成的。颗粒形式的导电玻璃被注入孔中，并包围电极的膨胀的上端。牺牲导电推销插入玻璃颗粒上方的上孔。将该子组件加热以熔化玻璃并将该推销压入熔融的玻璃中。在冷却时，绝缘体内的玻璃熔断形成密封，这进一步加强了电极向绝缘体的扩张。

3. 发明申请

WO2005048425A1 SPARK PLUG WITH GROUND ELECTRODE HAVING MECHANICALLY LOCKED PRECIOUS METAL FEATURE 审中-公开
标题翻译：具有机械锁定的地面电极的SPARK插头极好的金属特征
公开(公告)号：WO2005048425A1
公开(公告)日：2005-05-26
申请号：PCT/US2004/028942
申请日：2004-09-07
申请人： FEDERAL-MOGUL CORPORATION , DOWNS, Darren, C. , GARRETT, Micheal, E.
发明人： DOWNS, Darren, C. , GARRETT, Micheal, E.
IPC分类号： H01T13/32
CPC分类号： H01T21/02 , H01T13/32
摘要： A ground electrode for a spark plug has a through hole located adjacent a firing end of the electrode, with a precious metal firing tip extending through the hole. The firing tip is compressed axially to define a bulging portion extending radially outwardly from its longitudinal axis to mechanically retain the firing tip within the through hole. The firing tip additionally has an enlarged head or otherwise expanded portion at each axial end of the tip to provide a second mechanical interlock of the tip to the g round electrode. The firing tip can then also be welded to further strengthen its connection to the ground electrode. A method of manufacturing the ground electrode and a spark plug containing the ground electrode is also disclosed.
摘要翻译：用于火花塞的接地电极具有邻近电极的烧制端的通孔，其中延伸穿过该孔的贵金属烧制尖端。击发尖端被轴向压缩以限定从其纵向轴线径向向外延伸的凸出部分，以将烧制尖端机械地保持在通孔内。点火尖端还在尖端的每个轴向端部处具有扩大的头部或以其它方式膨胀的部分，以提供尖端与g圆形电极的第二机械互锁。然后可以焊接点火尖以进一步加强其与接地电极的连接。还公开了制造接地电极的方法和包含接地电极的火花塞。

4. 发明授权

EP1680844B1 SPARK PLUG CENTER ELECTRODE ASSEMBLY 有权
标题翻译：火花塞中心电极装配
公开(公告)号：EP1680844B1
公开(公告)日：2011-07-20
申请号：EP04783254.8
申请日：2004-09-07
申请人： FEDERAL-MOGUL CORPORATION
发明人： LYKOWSKI, James, D. , DOWNS, Darren, C.
IPC分类号： H01T13/39 , H01T21/02
CPC分类号： H01T13/39 , H01T21/02
摘要： A spark plug having a center electrode assembly that includes a center electrode and precious metal insert that is both mechanically interlocked and welded to the center electrode in a manner that permits trapped gases to escape from between the two components. Also disclosed is a method for manufacturing the same. During assembly, the precious metal insert is placed into a blind hole that extends axially into a lower end of the center electrode. Once in place, the center electrode is deformed around an enlarged head section of the insert to mechanically interlock the two components together. To further strengthen this attachment, the two components are welded together about their circumference. In one embodiment, the weld includes several interruptions that function as vapor vents for any gases that may be trapped. In other embodiments, a radially or an axially-extending vent hole is used in lieu of the weld interruptions.

5. 发明公开

EP1680844A1 SPARK PLUG CENTER ELECTRODE ASSEMBLY 有权
标题翻译：火花塞中心电极装配
公开(公告)号：EP1680844A1
公开(公告)日：2006-07-19
申请号：EP04783254.8
申请日：2004-09-07
申请人： FEDERAL-MOGUL CORPORATION
发明人： LYKOWSKI, James, D. , DOWNS, Darren, C.
IPC分类号： H01T13/39 , H01T21/02
CPC分类号： H01T13/39 , H01T21/02
摘要： A spark plug having a center electrode assembly that includes a center electrode and precious metal insert that is both mechanically interlocked and welded to the center electrode in a manner that permits trapped gases to escape from between the two components. Also disclosed is a method for manufacturing the same. During assembly, the precious metal insert is placed into a blind hole that extends axially into a lower end of the center electrode. Once in place, the center electrode is deformed around an enlarged head section of the insert to mechanically interlock the two components together. To further strengthen this attachment, the two components are welded together about their circumference. In one embodiment, the weld includes several interruptions that function as vapor vents for any gases that may be trapped. In other embodiments, a radially or an axially-extending vent hole is used in lieu of the weld interruptions.

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