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公开(公告)号：US20170358903A1
公开(公告)日：2017-12-14
申请号：US15535823
申请日：2015-12-03
申请人： Robert Bosch GmbH
发明人： Andreas Benz , Manfred Roeckelein
摘要： A spark plug, including a housing, an insulator situated in the housing, a center electrode situated in the insulator and a ground electrode situated on the housing, the ground electrode and the center electrode being situated relative to one another in such a way that the ground electrode and the center electrode form a spark gap, and the ground electrode including a core and a sheath surrounding the core, the core being made of a material which has a higher thermal conductivity than the material of the sheath, and a cross sectional area of the ground electrode being not greater than 2.76 mm2, the sheath having a wall thickness c of not greater than 0.4 mm in a first region of the ground electrode.
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公开(公告)号：US09478946B2
公开(公告)日：2016-10-25
申请号：US14662371
申请日：2015-03-19
申请人： Nano Spark Inc.
发明人： Mark Farrell
摘要： A spark plug is disclosed and includes a metal tube which interiorly defines an axis and is externally-threaded for engagement with an engine block. An insulating has a portion which is disposed inside the tube and extends therebeyond. A positive electrode extends through the insulator and projects beyond the extending portion of the insulator. An annular ground electrode is coupled to the tube. The electrodes are configured such that a spark gap defined therebetween has an elongate channel which opens axially and away from the insulator and is substantially unobstructed in the axial direction. The ground defines a void having a central portion occupied by the positive electrode in use, an annular channel surrounding the central portion, and a plurality of lobes, each being positioned with respect to the central portion in a manner analogous to the placement of the planet gears with respect to the sun gear in a planetary gear arrangement.
摘要翻译： 公开了火花塞，并且包括内部限定轴线并且是外螺纹以与发动机缸体接合的金属管。 绝缘体具有设置在管内并部分延伸的部分。 正极延伸穿过绝缘体并突出超过绝缘体的延伸部分。 环形接地电极耦合到管。 电极被构造成使得在其间限定的火花间隙具有沿轴向和远离绝缘体开放并且在轴向上基本上不受阻碍的细长通道。 地面限定了在使用中具有由正电极占据的中心部分的空隙，围绕中心部分的环形通道，以及多个凸角，每个凸角以类似于行星的位置的方式相对于中心部分定位 相对于行星齿轮装置中的太阳齿轮的齿轮。
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公开(公告)号：US20150171599A1
公开(公告)日：2015-06-18
申请号：US14628621
申请日：2015-02-23
申请人： Nano Spark Inc.
发明人： Mark Farrell , Richard Farrell , Harry E. Ruda
IPC分类号： H01T13/32
摘要： The plug comprises a nut, a coupling extending from the nut and adapted to receive an ignition wire and an insulator extending from the nut and away from the coupling. A positive electrode extends through the insulator. An externally-threaded tubular portion extends from the nut in surrounding relation to the insulator and terminating, short of the insulator end, in a cap that is disposed in spaced relation to the insulator. The cap defines a void having: a central portion into which the positive electrode extends; an annular channel surrounding the central portion; and a plurality of lobes, each positioned with respect to the central portion as the planet gears are positioned with respect to the sun gear in a planetary gear. The cap has a central surface that is axially spaced from the insulator and a convex surface that surrounds and extends to the central surface.
摘要翻译： 插头包括螺母，从螺母延伸并且适于接收点火线和从螺母延伸并远离联接器的绝缘体的联接器。 正极延伸穿过绝缘体。 一个外螺纹的管状部分从螺母延伸到围绕绝缘体的关系，并且在绝缘体端部的一端处于与绝缘体间隔开的一个盖中。 帽限定了具有：正极延伸的中心部分的空隙; 围绕中心部分的环形通道; 以及多个凸角，当行星齿轮相对于行星齿轮相对于太阳齿轮定位时，它们各自相对于中心部分定位。 盖具有与绝缘体轴向间隔开的中心表面和围绕并延伸到中心表面的凸表面。
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公开(公告)号：US1799922A
公开(公告)日：1931-04-07
申请号：US27865928
申请日：1928-05-18
申请人： MOSLER IGNITION CORP
发明人： MOSLER ARTHUR R
IPC分类号： H01T13/26
CPC分类号： H01T13/26
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公开(公告)号：US20160301194A1
公开(公告)日：2016-10-13
申请号：US14684347
申请日：2015-04-11
摘要： Pre-cut spark plugs with trimmed L-shaped electrodes are used in the racing industry for engines that are fueled by racing fuels such as high octane racing fuels and/or nitrous oxide or nitro methane, thus keeping the engine from detonating prematurely. However these spark plugs are expensive. Disclosed herein is a jig that trims the end of a standard commercial spark plug's L-shaped-electrode. The jig has a body and a finger screw that secures the spark plug body while exposing the L-shaped electrode. The spark plug is secured in the jig, and the jig secured in a vise so that a user may manually employ a saw such as a hacksaw to trim the end of the L-shaped electrode at a precise distance from the electrode's end that match the pre-cut spark plug's trimmed L-shaped electrode. This saves the user considerable expense.
摘要翻译： 具有修剪的L形电极的预切割火花塞在赛车行业中用于由赛车燃料如高辛烷值赛车燃料和/或一氧化二氮或硝基甲烷驱动的发动机，从而保持发动机过早引爆。 然而这些火花塞是昂贵的。 本文公开了一种夹具，其用于修整标准商业火花塞的L形电极的端部。 夹具具有主体和指形螺钉，其在暴露L形电极的同时固定火花塞体。 火花塞被固定在夹具中，并且夹具固定在台钳中，以便用户可以手动地使用诸如钢锯的锯，以在与电极的端部匹配的精确距离上修剪L形电极的端部 预先切割的火花塞修剪的L形电极。 这样可以节省用户费用。
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公开(公告)号：US20090107438A1
公开(公告)日：2009-04-30
申请号：US11980406
申请日：2007-10-31
摘要： An igniter for an internal combustion engine is disclosed. The igniter may have a body, and a pre-combustion chamber integral with the body and having at least one orifice. The igniter may also have at least one electrode extending into the pre-combustion chamber. The at least one electrode may be configured to direct an arc to an annular side wall of the pre-combustion chamber, and may be movable to adjust an arc termination location on the annular side wall of the pre-combustion chamber.
摘要翻译： 公开了一种用于内燃机的点火器。 点火器可以具有主体和与主体成一体并且具有至少一个孔的预燃烧室。 点火器还可以具有延伸到预燃烧室中的至少一个电极。 所述至少一个电极可以被配置为将电弧引导到预燃烧室的环形侧壁，并且可以是可移动的，以调节预燃烧室的环形侧壁上的电弧终止位置。
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公开(公告)号：US20030051699A1
公开(公告)日：2003-03-20
申请号：US10168246
申请日：2002-09-19
发明人： Karl Marforio , Alf Hedlund
IPC分类号： F02F003/26
CPC分类号： H01T13/26 , F02B2075/125 , Y02T10/123
摘要： In an ignition electrode arrangement for a cyclinder in an internal combustion engine, for example at Otto engine, a cyclinder head (3) bears a first electrode (7) and a second electrode (8) which interact with one another. At least the first electrode (7) is arranged on an ignition means (6) fastened in the cyclinder head. According to the invention, the second electrode (8) is movable relative to the cyclinder head (3) and the first electrode (7) in order to make it possible to change the spark gap. The second electrode (8) can be mounted on the cyclinder head (3) itself or on the ignition device (6). The size of the spark gap is controlled during operation by the ignition system of the engine.
摘要翻译： 在用于内燃机中的旋转器的点火电极装置中，例如在Otto发动机中，气旋头（3）承载彼此相互作用的第一电极（7）和第二电极（8）。 至少第一电极（7）设置在固定在气旋头中的点火装置（6）上。 根据本发明，第二电极（8）可相对于气旋头（3）和第一电极（7）移动，以便可以改变火花隙。 第二电极（8）可以自身安装在旋转头（3）上或点火装置（6）上。 火花隙的大小由发动机的点火系统在操作期间进行控制。
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公开(公告)号：US5463267A
公开(公告)日：1995-10-31
申请号：US371051
申请日：1995-01-10
申请人： Scott R. Conway
发明人： Scott R. Conway
IPC分类号： H01T13/26
CPC分类号： H01T13/26
摘要： In spark ignited engine configurations, it is common to provide a spark plug that has a spark gap that has dimension that will accommodate good starting capabilities for the engine. In some cases, this spark gap is larger than required for the engine to run efficiently, especially at high loads. As a result, the voltage required to bridge the gap when the engine is running at high loads is much higher than necessary and causes erosion of the electrode and a build up of deposits on the ground strap. Ultimately, this greatly reduces the life of the spark plug. The present invention provides a spark plug that utilizes an adjusting means that is connected to the electrode of the spark plug and functions to move the electrode with respect to the ground strap to adjust the gap therebetween. The adjusting means is responsive to the temperature of the spark plug which will vary with engine loads or an increase in pressure within the combustion chamber.
摘要翻译： 在火花点火发动机配置中，通常提供具有火花间隙的火花塞，该火花塞的尺寸将适应发动机的良好启动能力。 在某些情况下，这种火花隙大于发动机高效运行所需的火花隙，特别是在高负载时。 因此，当发动机在高负载下运行时桥接间隙所需的电压要高得多，导致电极的侵蚀和接地带上沉积物的积累。 最终，这大大减少了火花塞的寿命。 本发明提供了一种火花塞，其利用连接到火花塞的电极的调节装置，并且其功能是使电极相对于接地带移动以调节其间的间隙。 调节装置响应火花塞的温度，火花塞的温度将随发动机负载或燃烧室内的压力增加而变化。
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