公开(公告)号：US11225939B2

公开(公告)日：2022-01-18

申请号：US16624465

申请日：2018-06-12

Applicant: SEM AB

Inventor： Jorgen Bengtsson ,  Bert Gustafsson ,  Mats Andren

IPC: H01T13/04 ,  F02P3/02 ,  H01T13/38 ,  H01T21/02

Abstract: The present invention relates to a spark plug extension body connecting an ignition coil with a spark plug for a spark ignited internal combustion engine, as well as a method for providing such a spark plug extension body for reduction of partial electrical discharges in the spark plug extension body. In conventional spark plug extensions are coil springs used as electrical conductor against the spark plug terminal and/or ignition coil terminal. These coil springs cause Corona effects and short circuiting requiring replacement of the spark plug extension. With the invention the entire electrical conductor (CRu, 64, CRL) is in a rod like form and at least both ends (CRu, CRL) of the electrical conductor (CRu, 64, CRL) are made as a monolith in a flexible and electrically conducting polymeric material, preferably electrically conducting rubber.

公开(公告)号：US20150136098A1

公开(公告)日：2015-05-21

申请号：US14401163

申请日：2013-05-14

Applicant: SEM AB

Inventor： Lars-Ake Andersson ,  Jorgen Bengtsson ,  Bert Gustafsson

IPC: H01T13/04 ,  H01F38/12

CPC classification number: H01T13/04 ,  F02P3/02 ,  H01F38/12 ,  H01T13/44 ,  Y10T29/49231

Abstract: The following invention relates to an ignition coil assembly for an ignition system comprising an ignition coil where said assembly has a main axis and is configured for insertion into and/or removal out of a well associated with an internal combustion engine, wherein the assembly comprises an elongated extension body made of flexible material, said extension body comprising an upper end portion and a lower end portion wherein the extension body is arranged to be transversally bendable in relation to the main axis so that the upper end portion and the lower end portion may assume an angle (α) in relation to each other.

Abstract translation: 以下发明涉及一种用于点火系统的点火线圈组件，其包括点火线圈，其中所述组件具有主轴线并且构造成用于插入和/或从与内燃机相关联的井中移除，其中所述组件包括： 由柔性材料制成的细长延伸体，所述延伸体包括上端部分和下端部分，其中延伸体相对于主轴线横向弯曲，使得上端部分和下端部分可以呈现 相对于角度（α）。

公开(公告)号：US09353723B2

公开(公告)日：2016-05-31

申请号：US14396919

申请日：2013-04-11

Applicant: SEM AB

Inventor： Jorgen Bengtsson ,  Bert Gustafsson

IPC: F02P9/00 ,  F02P15/08 ,  F02P17/12 ,  F02P3/08 ,  F02D35/02

CPC classification number: F02P9/002 ,  F02D35/021 ,  F02D2200/1015 ,  F02P3/0807 ,  F02P3/0876 ,  F02P17/12 ,  F02P2017/121 ,  F02P2017/125

Abstract: The present invention relates to an ignition system (T) for a combustion engine, the internal combustion engine comprising a control system, the ignition system (T) further comprising a power source (30), at least one ignition coil (10, 11, 12) having at least one primary coil (L2, L4, L6) and one secondary coil (L3, L5, L7) for a spark plug (13, 14, 15) and a measurement device (50) for at least one of the parameters spark current, ion current, ignition voltage and primary voltage, said measurement device (50) being adapted to provide measurement signals to said control system for regulating the ignition system (T), the ignition system (T) also comprising means for transforming up voltage and storing energy, and a plurality of switches (S1-S7), said control system being adapted to control said switches (S1-S7), by means of said measuring signal(s), for the supply of adaptive spark energy and/or to control the polarity of the spark.

Abstract translation: 本发明涉及一种用于内燃机的点火系统（T），所述内燃机包括控制系统，所述点火系统（T）还包括电源（30），至少一个点火线圈（10,11） 具有用于火花塞（13,14,15）的至少一个初级线圈（L2，L4，L6）和一个次级线圈（L3，L5，L7）和用于至少一个 参数火花电流，离子电流，点火电压和初级电压，所述测量装置（50）适于向所述控制系统提供用于调节点火系统（T）的测量信号，所述点火系统（T）还包括用于变换的装置 电压和存储能量以及多个开关（S1-S7），所述控制系统适于通过所述测量信号来控制所述开关（S1-S7），以供应自适应火花能量和/ 或者控制火花的极性。

公开(公告)号：US20150330353A1

公开(公告)日：2015-11-19

申请号：US14396919

申请日：2013-04-11

Applicant: SEM AB

Inventor： Jorgen Bengtsson ,  Bert Gustafsson

IPC: F02P9/00 ,  F02P3/08 ,  F02P17/12 ,  F02D35/02

CPC classification number: F02P9/002 ,  F02D35/021 ,  F02D2200/1015 ,  F02P3/0807 ,  F02P3/0876 ,  F02P17/12 ,  F02P2017/121 ,  F02P2017/125

Abstract: The present invention relates to an ignition system (T) for a combustion engine, the internal combustion engine comprising a control system, the ignition system (T) further comprising a power source (30), at least one ignition coil (10, 1 1, 12) having at least one primary coil (L2, L4, L6) and one secondary coil (L3, L5, L7) for a spark plug (13, 14, 15) and a measurement device (50) for at least one of the parameters spark current, ion current, ignition voltage and primary voltage, said measurement device (50) being adapted to provide measurement signals to said control system for regulating the ignition system (T), the ignition system (T) also comprising means for transforming up voltage and storing energy, and a plurality of switches (S1-S7), said control system being adapted to control said switches (S1-S7), by means of said measuring signal(s), for the supply of adaptive spark energy and/or to control the polarity of the spark.

Abstract translation: 本发明涉及一种用于内燃机的点火系统（T），所述内燃机包括控制系统，该点火系统（T）还包括电源（30），至少一个点火线圈 ，12）具有用于火花塞（13,14,15）的至少一个初级线圈（L2，L4，L6）和一个次级线圈（L3，L5，L7）和用于以下的至少一个的测量装置（50） 所述测量装置（50）适于向所述控制系统提供用于调节点火系统（T）的测量信号，所述点火系统（T）还包括用于转换的装置 上升电压和存储能量，以及多个开关（S1-S7），所述控制系统适于通过所述测量信号来控制所述开关（S1-S7），以供应自适应火花能量;以及 /或控制火花的极性。

公开(公告)号：US10164410B2

公开(公告)日：2018-12-25

申请号：US14401163

申请日：2013-05-14

Applicant: SEM AB

Inventor： Lars-Ake Andersson ,  Jorgen Bengtsson ,  Bert Gustafsson

IPC: H01F38/12 ,  H01T13/04 ,  F02P3/02 ,  H01T13/44

Abstract: The following invention relates to an ignition coil assembly for an ignition system comprising an ignition coil where said assembly has a main axis and is configured for insertion into and/or removal out of a well associated with an internal combustion engine, wherein the assembly comprises an elongated extension body made of flexible material, said extension body comprising an upper end portion and a lower end portion wherein the extension body is arranged to be transversally bendable in relation to the main axis so that the upper end portion and the lower end portion may assume an angle (α) in relation to each other.

公开(公告)号：US09945303B2

公开(公告)日：2018-04-17

申请号：US14889599

申请日：2014-05-07

Applicant: SEM AB

Inventor： Jorgen Bengtsson

IPC: F02D35/02 ,  G01L23/22 ,  F02D41/26 ,  F02P5/152 ,  F02P17/12 ,  F02D41/00

CPC classification number: F02D35/027 ,  F02D35/021 ,  F02D41/0025 ,  F02D41/26 ,  F02P5/152 ,  F02P2017/125 ,  F02P2017/128 ,  G01L23/226

Abstract: The present invention relates to a method for controlling the performance of an engine, comprising the steps detecting an ion current in the form of a first signal analysing said first signal to determine at least one property determining a knock index based on said first signal and preferably on said at least one property combining said knock index with a plurality of factors related to properties of the engine or the operation of the engine to arrive at a engine index, and comparing said engine index with a sensitivity map of the engine to determine a correction required to improve the operation of the engine, and correcting the operation of the engine in accordance with the correction determined. The invention also relates to a system for controlling the performance of an engine.