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1. 发明授权

US11437788B2 Method for manufacturing a spark plug electrode system and a spark plug, spark plug electrode system, and spark plug 有权
公开(公告)号：US11437788B2
公开(公告)日：2022-09-06
申请号：US17260481
申请日：2019-05-23
申请人： Robert Bosch GmbH
发明人： Ronald Ritter , Igor Orlandini
IPC分类号： H01T13/22 , H01T13/32 , H01T13/39 , H01T21/02
摘要： A method for manufacturing a spark plug electrode system including a ground electrode and a center electrode, which are connected to each other by a joining area, formed from a one-piece spark plug electrode base body made up of spark plug electrode material.

2. 发明申请

US20200373742A1 TRAVELING SPARK IGNITER 审中-公开
公开(公告)号：US20200373742A1
公开(公告)日：2020-11-26
申请号：US16722162
申请日：2019-12-20
申请人： Knite, Inc.
发明人： Artur P. Suckewer
IPC分类号： H01T13/52 , F02P9/00 , H01T13/34 , H01T13/46 , H01T13/22 , F02P23/04
摘要： An igniter having at least two electrodes spaced from each other by an insulating member having a substantially continuous surface along a path between the electrodes. The electrodes extend substantially parallel to each other for a distance both above and below said surface. The insulating member has a channel (recess) for receiving at least a portion of a length of at least one of said electrodes below and to said surface of the insulating member. The surface of the insulating member may preferably be augmented with a conductivity enhancing agent. The insulating member and electrodes are configured so that an electric field between the electrodes at said surface does not have abrupt field intensity changes, whereby when a potential is applied to the electrodes sufficient to cause breakdown to occur between the electrodes, discharge occurs at said surface of the insulating member to define a plasma initiation region.

3. 发明申请

US20200235552A1 SPARK PLUG FOR A HIGH FREQUENCY IGNITION SYSTEM 审中-公开
公开(公告)号：US20200235552A1
公开(公告)日：2020-07-23
申请号：US16304056
申请日：2017-04-11
申请人： Rosenberger Hochfrequenztechnik GmbH & Co. KG
发明人： Martin FUCHS , Michael WOLLITZER , Gunnar ARMBRECHT , Peter AWAKOWICZ , Thomas MUSCH , Sven GRÖGER , Andre BERGNER , Gordon NOTZON , Marcel VAN DELDEN
IPC分类号： H01T13/46 , H01T13/22
摘要： The invention relates to a spark plug (100) for an internal combustion engine, in particular having a high frequency ignition system, having a central electrode (28; 128), a ground electrode (12; 112) and an electrical insulator (18; 118) arranged between the central electrode (28; 128) and the ground electrode (12; 112), wherein a central electrode connecting point (26; 126) for electrically connecting the central electrode (28; 128) to an ignition system is provided on the insulator (18; 118), wherein the central electrode (28; 128) and the ground electrode (12; 112) project beyond the insulator (18; 118) at an axial end (114) of the spark plug (100) and each form, with a part projecting axially beyond the insulator (18; 118), a central electrode end (140) and a ground electrode end (142), wherein the central electrode end (140) and the ground electrode end (142) are arranged and embodied in such a way that an axial region (170) of a gap (146) is formed between them in an axial direction, wherein the axial region (170) of the gap (146) is spaced apart from the insulator (18; 118), wherein at least one additional electrode (150) is provided which projects beyond the insulator (118) at the axial end (114) of the spark plug (100) and forms, with a part which projects axially beyond the insulator (118), an additional electrode end (154). In this case the additional electrode (150) is arranged electrically insulated from the ground electrode (112) and the central electrode (128), on the spark plug (100), wherein the additional electrode end (154) projects into the axial region (170) of the gap (146) between the central electrode end (140) and the ground electrode end (142) or is arranged into a region (170) of the gap (146) which is radially adjacent to the axial region (170) of the gap (146), and as a result divides the gap (146) into two ignition spark end gaps (156, 166).

4. 发明申请

US20190386466A1 SPARK PLUG 审中-公开
公开(公告)号：US20190386466A1
公开(公告)日：2019-12-19
申请号：US16427467
申请日：2019-05-31
申请人： NGK SPARK PLUG CO., LTD.
发明人： Tomoki Kawai
IPC分类号： H01T13/22 , H01T13/39 , H01T13/52 , H01T21/02
摘要： Spark plug has first and second electrodes. First electrode has tip principally made of noble metal and base material principally made of Ni. The tip is joined to the base material through fusion portion. Second electrode faces discharge surface of the tip. The fusion portion has overlap portion where first interface between the tip and the fusion portion and second interface between the base material and the fusion portion overlap in first direction perpendicular to the discharge surface. When viewing cross section which passes through a center of gravity of the overlap portion projected onto virtual surface parallel to the discharge surface and is perpendicular to the discharge surface, noble metal content is greater than 50 mass % at one end portion of the overlap portion in second direction extending along the discharge surface, and Ni content is greater than 50 mass % at the other end portion of the overlap portion.

5. 发明授权

US09742160B1 Multipoint spark plug and multipoint spark plug manufacturing method 有权
公开(公告)号：US09742160B1
公开(公告)日：2017-08-22
申请号：US15414937
申请日：2017-01-25
申请人： MIYAMA, INC.
发明人： Katsuaki Minami
IPC分类号： H01T13/46 , H01T13/22 , H01T13/08 , H01T21/02 , H01T13/16 , H01T13/18
CPC分类号： H01T13/462 , F02P3/02 , F02P15/02 , F02P15/08 , H01T13/08 , H01T13/16 , H01T13/18 , H01T13/22 , H01T13/24 , H01T21/02
摘要： A multipoint spark plug includes side electrodes provided in a pair so as to extend in a lengthwise direction of a tip end portion via a gap, and an intermediate electrode provided in the gap between the pair of side electrodes such that a plurality of ignition gaps are formed in the lengthwise direction of the tip end portion. An electrode holding portion is formed from separate parts that hold the side electrodes and the intermediate electrode, respectively, so as to insulate the side electrodes and the intermediate electrode from the main body portion, and the respective parts thereof project into the combustion chamber from the tip end portion.

6. 发明授权

US07084558B2 Spark plug and method for manufacturing the spark plug 失效
标题翻译：火花塞和火花塞的制造方法
公开(公告)号：US07084558B2
公开(公告)日：2006-08-01
申请号：US10465552
申请日：2003-06-20
申请人： Hideki Teramura , Tomoaki Kato , Kazuyoshi Torii
发明人： Hideki Teramura , Tomoaki Kato , Kazuyoshi Torii
IPC分类号： H01T13/20 , H01T13/22
CPC分类号： H01T13/32 , H01T21/02
摘要： A ground-electrode spark portion 32 is formed from a noble metal which contains Pt as a main component, and is joined to a main metal portion of the ground electrode 4 via an alloy layer which has a thickness ranging from 0.5 μm to 100 μm and in which the noble metal that constitutes the ground-electrode spark portion 32 and the metal that constitutes the main metal portion of the ground electrode 4 are alloyed with each other. The ground-electrode spark portion 32 is configured such that a distal end surface 32t facing a spark discharge gap g is smaller in diameter than a bottom surface 32u joined to the ground electrode 4; and the distal end surface 32t is protrusively located beyond the side surface 4s of the ground electrode 4. When the ground-electrode spark portion 32 is viewed in plane from the distal end surface 32t, a portion of the surface of the ground-electrode spark portion 32 is viewed as a peripheral exposed-region surface 32p which is exposed on the side surface 4s of the ground electrode 4 so as to surround the distal end surface 32t.
摘要翻译：接地电极火花部32由含有Pt作为主要成分的贵金属形成，并且通过厚度为0.5μm〜100μm的合金层与接地电极4的主金属部接合，其中构成接地电极火花部分32的贵金属和构成接地电极4的主金属部分的金属彼此合金化。接地电极火花部32构成为，面向火花放电间隙g的前端面32t的直径小于接合于接地电极4的底面32u的直径。并且远端表面32t突出地位于接地电极4的侧表面4s之外。当从前端面32t看平面处接地电极火花部32时，接地电极火花部32的一部分表面被看作暴露在侧面的周边露出区域表面32p 接地电极4的表面4s，以围绕远端表面32t。

7. 发明申请

US20050285495A1 Spark plug with easy-to-recognize identification marks 失效
标题翻译：火花塞具有易于识别的识别标记
公开(公告)号：US20050285495A1
公开(公告)日：2005-12-29
申请号：US11167912
申请日：2005-06-28
申请人： Koichi Yoshida
发明人： Koichi Yoshida
IPC分类号： H01T13/20 , H01T13/22 , H01T13/38
CPC分类号： H01T13/38 , H01T13/20
摘要： A spark plug according to the invention has a length and an outer side surface. The outer side surface includes a plurality of closed band-shaped regions arranged in the lengthwise direction of the spark plug, within each of which a plurality of identical marks, which represent the same piece of information concerning the spark plug, are formed at predetermined intervals in a circumferential direction of the spark plug. Further, the marks within each of the regions represent the piece of information different from that represented by the marks within any other one of the regions, and each of the marks within each of the regions is aligned in the lengthwise direction of the spark plug with one of the marks within any other one of the regions. With such formation of marks, the spark plug can be accurately identified without rotating it to a specific position during the identification process.
摘要翻译：根据本发明的火花塞具有长度和外侧表面。外侧表面包括沿着火花塞的长度方向布置的多个封闭带状区域，其中分别形成表示与火花塞相关的信息的多个相同的标记，并以预定间隔形成在火花塞的圆周方向上。此外，每个区域内的标记表示与该区域内的标记不同的信息，并且每个区域内的每个标记在火花塞的长度方向上对齐，任何其他地区之一的标记之一。通过这种标志的形成，可以在识别过程中将火花塞精确地识别而不将其旋转到特定位置。

8. 发明授权

US4658774A Ignition apparatus for internal combustion engines 失效
标题翻译：内燃机点火装置
公开(公告)号：US4658774A
公开(公告)日：1987-04-21
申请号：US792923
申请日：1985-10-30
申请人： Osamu Kashima , Masamichi Shibata
发明人： Osamu Kashima , Masamichi Shibata
IPC分类号： F02B1/04 , F02P15/02 , F02P15/08 , H01T13/14 , H01T13/22 , H01T13/41 , F02P1/00
CPC分类号： F02P15/02 , F02P15/08 , H01T13/14 , H01T13/22 , H01T13/41 , F02B1/04
摘要： An improved ignition apparatus for an internal combustion engine includes at least an ignition coil and a first electrode assembly and a second electrode assembly, each thereof including an electrode, and each of the electrodes of the first and second electrode assemblies is electrically connected to one end of a secondary winding of an ignition coil. The electrodes are supported on a cylinder head of the engine being electrically insulated therefrom and they form a spark gap for producing spark discharge therebetween, and a high tension circuit connecting the electrodes to the secondary winding of the ignition coil is electrically insulated from the body of the engine. The ignition apparatus having the above-described construction has the functional effects of improving the ignition performance, simplifying the withstant voltage design of constituent components, improving the antifouling performance at a spark gap portion and increasing the radio frequency interference suppression performance.
摘要翻译：一种用于内燃机的改进的点火装置至少包括点火线圈和第一电极组件和第二电极组件，每个包括电极，并且第一和第二电极组件的每个电极电连接到一端的点火线圈的次级绕组。电极被支撑在发动机的气缸盖上，与其电绝缘，并且它们之间形成用于产生火花放电的火花隙，并且将电极连接到点火线圈的次级绕组的高压电路与引擎。具有上述结构的点火装置具有提高点火性能，简化构成部件的耐电压设计，提高火花隙部分的防污性能并提高射频干扰抑制性能的功能效果。

9. 发明授权

US4029986A Spark plug 失效
标题翻译：火花塞
公开(公告)号：US4029986A
公开(公告)日：1977-06-14
申请号：US688137
申请日：1976-05-20
申请人： Jose Hector Lara , Edward B. Williams, Jr.
发明人： Jose Hector Lara , Edward B. Williams, Jr.
IPC分类号： H01T13/22 , H01T13/46
CPC分类号： H01T13/462 , H01T13/22
摘要： An improved spark plug for use in internal combustion engines is effective to produce a plurality of sequential sparks. The spark plug has a metal shell with an insulator member in the metal shell and extending therefrom, as is conventional. The improvement comprises a first electrode which extends from one end of the insulator member and has a free end spaced from a first end of a second or carrier electrode end portion. A first set of a spark discharging surface and a spark landing surface is formed on the free end of the first electrode and on the first end of the carrier electrode end portion respectively. A third electrode extends from the metal shell and has a free end spaced from a second end of the second or carrier electrode end portion. A second set of a spark discharging surface and a spark landing surface is formed on the second end of the second or carrier electrode end portion and on the free end of the third electrode respectively.
摘要翻译：用于内燃机的改进的火花塞有效地产生多个顺序的火花。火花塞具有在金属壳中具有绝缘体构件的金属壳，并且从其延伸，如常规的那样。该改进包括从绝缘体构件的一端延伸并具有与第二或载体电极端部的第一端隔开的自由端的第一电极。分别在第一电极的自由端和载体电极端部的第一端上形成第一组火花放电表面和火花着陆表面。第三电极从金属壳延伸并且具有与第二或载体电极端部的第二端间隔开的自由端。第二组火花放电表面和火花着陆表面分别形成在第二或载体电极端部的第二端和第三电极的自由端上。

10. 发明授权

US3890519A Spark discharge plugs 失效
标题翻译：火花放电塞
公开(公告)号：US3890519A
公开(公告)日：1975-06-17
申请号：US36515473
申请日：1973-05-30
申请人： LUCAS INDUSTRIES LTD
发明人： CHAFER HENRY JAMES , GRAHAM STUART
IPC分类号： H01T13/36 , H01T13/52 , H01T13/22
CPC分类号： H01T13/52 , H01T13/36
摘要： A spark discharge plug comprises an outer annular electrode and an inner electrode, the two electrodes in use being connected to a source of electric supply, an annular air gap intermediate the electrodes and a dielectric material having a high permittivity interposed between one of the electrodes and the air gap.
摘要翻译：火花放电塞包括外环形电极和内电极，使用中的两个电极连接到供电源，电极之间的环形空气间隙和介于其中一个电极之间的具有高电容率的电介质材料，气隙。

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