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1. 发明专利

JP2004260199A Ignition device used in internal combustion engine 有权
公开(公告)号：JP2004260199A
公开(公告)日：2004-09-16
申请号：JP2004117028
申请日：2004-04-12
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： SHIMADA JUNICHI , SUGIURA NOBORU , KONDO EIICHIRO , YASUKURA YOICHI , WATANABE HIROSHI , NAKABAYASHI KENJI
IPC分类号： F02P13/00 , F02P15/00 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To provide an ignition device used in an internal combustion engine which takes advantage of an effective magnetic flux of a center core most efficiently, reduces the floating capacitance produced between a secondary coil and a side core, and can change the thickness and length of the side core according to the material and length of a cylinder head and cylinder head cover of a plug hole of an engine. SOLUTION: The side core is composed of one oriented silicon steel sheet with a slit or one oriented non-silicon steel sheet with a slit, and is located on a periphery of an outer case. Or, the side core is composed of two silicon steel sheets of an inside oriented silicon steel sheet and an outside oriented silicon steel sheet with a slit, and is located on the periphery of the outer case so that both slits form a line. The outer case is divided into an ignition unit case portion and a coil case portion, and its portions are later put together. COPYRIGHT: (C)2004,JPO&NCIPI

2. 发明专利

JP2001073915A IGNITION DEVICE OF INTERNAL COMBUSTION EVGINE 失效
公开(公告)号：JP2001073915A
公开(公告)日：2001-03-21
申请号：JP2000216307
申请日：2000-07-17
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： OISHI HIDETOSHI , SUGIURA NOBORU , KOBAYASHI KAZUTOSHI , WATANABE HIROSHI , FUKATSU KATSUAKI , KONDO EIICHIRO , YASUKURA YOICHI , UJIGAWA MASARU , SHIMADA JUNICHI , NAKABAYASHI KENJI
IPC分类号： F02P11/00 , F02P3/055 , F02P13/00 , F02P15/00 , H01F30/00 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To easily detect a disconnection of a signal line for a control signal input terminal of a semiconductor for switching. SOLUTION: An igniter unit is mounted to an igniter case provided with a connector part having a plurality of terminals for electrical connection, and the igniter unit controls a supply of electric power to an ignition coil part 10a. The igniter case and a coil part case having the ignition coil part 10a are mechanically integrated with each other thereby constituting this ignition device 10, and the igniter unit is provided with a diode 33 for clamping electric potential of a signal terminal of a semiconductor 31a for switching between a control signal input terminal of the semiconductor 31a for switching and ground.

3. 发明专利

JP2005140065A Ignition device for internal combustion engine 有权
标题翻译：用于内燃机的点火装置
公开(公告)号：JP2005140065A
公开(公告)日：2005-06-02
申请号：JP2003379434
申请日：2003-11-10
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： KONUKI HIROSHI , FUKATSU KATSUAKI , NAKABAYASHI KENJI
IPC分类号： F02P3/055 , F02P5/15 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To provide an ignition device for an internal combustion engine, wherein a current limited condition can be detected by detecting that a protecting means is operated. SOLUTION: The ignition device for the internal combustion engine comprises the protecting means 13 for limiting a primary current flowing in an ignition coil 3 when detecting abnormal conduction or abnormal heating and a storage means 27 for storing signals to be output in accordance with the operation of the protecting means 13. In this construction, the signals stored in the storage means 27 are read out when the current is limited, to discriminate whether the current limited condition is caused by the malfunction of parts or not and identify the essentiality of the malfunction to be improved. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于内燃机的点火装置，其中可以通过检测到保护装置被操作来检测电流受限状态。解决方案：内燃机的点火装置包括保护装置13，用于限制在检测到异常导通或异常加热时在点火线圈3中流动的初级电流;以及存储装置27，用于存储根据保护装置13的操作。在这种结构中，当电流被限制时，存储在存储装置27中的信号被读出，以鉴别当前的限制条件是否是由零件的故障引起的，并且识别故障有待改善。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2001244133A CYLINDRICAL IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JP2001244133A
公开(公告)日：2001-09-07
申请号：JP2000051760
申请日：2000-02-28
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： KONDO EIICHIRO , TANAKA HIROYUKI , OTSUKI HIDEKI , NAKABAYASHI KENJI , SHIMAZU YOSHIAKI
IPC分类号： F02P13/00 , F02P15/00 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To provide a cylindrical ignition device for an internal combustion engine of a structure that the actual mounting of the device on the internal ignition engine is enabled, even under constraint of size in the longest inner diameter of a mounting hole and a sufficient high output power of the device can be expected. SOLUTION: A cylindrical ignition device for an internal combustion engine has an ignition coil 40, connected with an ignition plug 35 provided in a cylinder head 3 of the internal combustion engine, and is arranged in a mounting hole 6 provided in the upper region of the plug 35 provided in the head 3. The coil 40 has a bobbin 1, provided in the axial direction of the hole 6, a secondary coil 4 wound on the central part in the axial direction of this bobbin, primary coils 2a and 2b wounded from the coil 4 wound on this bobbin 1 on the parts on both sides in the axial direction, and a closed magnetic circuit core 7 provided with a bobbin inner part 7a which is provided in almost the axial direction on the side of the inner periphery of the bobbin 1, and a bobbin outer part 7b which is provided in almost the axial direction, on the side of the outer periphery of the bobbin 1.

5. 发明专利

JPH1012466A IGNITION DEVICE FOR INTERNAL COMBUSTION 失效
公开(公告)号：JPH1012466A
公开(公告)日：1998-01-16
申请号：JP6771197
申请日：1997-03-21
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： SHIMADA JUNICHI , SUGIURA NOBORU , KONDO EIICHIRO , YASUKURA YOICHI , WATANABE HIROSHI , NAKABAYASHI KENJI
IPC分类号： F02P15/00 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To efficiently utilize effective magnetic flux at a center core part as match as possible by providing a side-core with a slit for preventing 1 turn short for providing a predetermined secondary voltage equal to or more than the secondary voltage required by an engine. SOLUTION: A side-core 18 is constituted with, in lamination structure, two silicon steel boards 18a and 18b (an inside silicon steel board 18a and an outside silicon steel board 18b). Each of the two silicon steel boards 18a and 18b is constructed of a sheet of directional silicon steel board. The inside silicon steel board 18a of the side-core 18 is of a sheet of directional silicon steel board of 0.3-0.5mm in thickness. The inside silicon steel board 18a, having a slit 18a1 extending vertically, is rounded into almost tube shape. The side-core 18 containing the slits 18a1 prevent 1 turn short of magnetic flux, and obtain a predetermined secondary voltage equal to or more than the secondary voltage required by an engine.

6. 发明专利

JP2005140121A Ignition device for internal combustion engine 有权
标题翻译：用于内燃机的点火装置
公开(公告)号：JP2005140121A
公开(公告)日：2005-06-02
申请号：JP2004377471
申请日：2004-12-27
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： OISHI HIDETOSHI , SUGIURA NOBORU , KOBAYASHI KAZUTOSHI , WATANABE HIROSHI , FUKATSU KATSUAKI , KONDO EIICHIRO , YASUKURA YOICHI , UJIGAWA MASARU , SHIMADA JUNICHI , NAKABAYASHI KENJI
IPC分类号： F02P15/00 , F02P13/00 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To provide an ignition device resisting vibration by reducing the size and weight of an igniter case part of an upper part of an outer case and by lowering a center of gravity of the whole device. SOLUTION: The ignition device for an internal combustion engine has the outer case inside which a coil part and an igniter unit are provided. The outer case is provided with an igniter case having a coil part case and a connector part. The coil part case is inserted into and arranged inside a plug hole of the internal combustion engine, and the igniter unit is mounted to and arranged inside the igniter case. The igniter unit is provided with a semiconductor device of an elemental silicon chip in which a semiconductor for switching and a current limiting circuit are built, and the semiconductor for switching comprises an insulated bipolar transistor (IGBT) or a power transistor. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过减小外壳的上部的点火器壳体部分的尺寸和重量并降低整个装置的重心，提供抵抗振动的点火装置。解决方案：内燃机的点火装置具有设置有线圈部和点火器单元的外壳。外壳设置有具有线圈部分壳体和连接器部分的点火器壳体。线圈部分壳体被插入并布置在内燃机的插头孔内部，并且点火器单元安装到并布置在点火器壳体内部。点火器单元设置有其中构建用于开关用半导体和限流电路的元件硅芯片的半导体器件，并且用于开关的半导体包括绝缘双极晶体管（IGBT）或功率晶体管。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JPH1077940A IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH1077940A
公开(公告)日：1998-03-24
申请号：JP23318896
申请日：1996-09-03
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： OISHI HIDETOSHI , SUGIURA NOBORU , KOBAYASHI KAZUTOSHI , WATANABE HIROSHI , FUKATSU KATSUAKI , KONDO EIICHIRO , YASUKURA YOICHI , UJIGAWA MASARU , SHIMADA JUNICHI , NAKABAYASHI KENJI
IPC分类号： F02P15/00 , F02P3/02 , F02P3/055 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To provide an ignition device in which a size and a weight of an upper igniter case of an outer package are decreased and a center of gravity of the whole device is lowered to thereby resist vibration. SOLUTION: An ignition device of an internal combustion engine comprises an outer package in which a coil part and an igniter unit 30 are provided. The outer package is provided with an igniter case having a coil part case 15b and a connector part, and the coil part case 15b is inserted into a plug hole of the internal combustion engine. The igniter unit 30 disposed in the igniter case comprises a semiconductor device 31 of an elemental silicon chip in which a semiconductor for switching 31a and a current limiting circuit 31b are built, and the semiconductor 31a for switching is composed of an insulated bipolar transistor(IGBT) or a power transistor.

8. 发明专利

JP2000100641A IGNITION COIL FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JP2000100641A
公开(公告)日：2000-04-07
申请号：JP27115398
申请日：1998-09-25
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： KONDO EIICHIRO , SHIMADA JUNICHI , YASUKURA YOICHI , NAKABAYASHI KENJI , SAITO HIROAKI
IPC分类号： H01F38/12
摘要： PROBLEM TO BE SOLVED: To reduce the large diameter of an ignition coil (to fulfill miniaturization), and to sufficiently fulfill insulation performance and a high output, even in an ignition coil for an internal combustion engine in an independent ignition type in an inner secondary structure type in which the restriction of an interior space is severe. SOLUTION: A center core 1, secondary coil 3 wound around a secondary bobbin 2, and primary coil 5 wound around a primary bobbin 4 are concentrically arranged in a coil case 6 in this order from the inside. One end of the secondary coil 3 is connected with the primary coil side so as to be turned into a low voltage side, and the other end is turned into a high voltage side due to an induced voltage. This ignition coil is directly connected with each ignition plug of an internal combustion engine so as to be used. The secondary bobbin 2 is made thicker at a secondary coil low voltage side 3a and a secondary coil high voltage side 3c positioned at the both edges of a secondary coil central part 3b than at the secondary coil central part 3b side. An insulating layer 8 between the secondary coil 3 and the primary coil 5 is made thin at the secondary coil low voltage side 3a and made thick at the secondary coil high voltage side 3b.

9. 发明专利

JP2008267388A Ignition system for internal combustion engine 有权
标题翻译：内燃机点火系统
公开(公告)号：JP2008267388A
公开(公告)日：2008-11-06
申请号：JP2008120864
申请日：2008-05-07
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： SHIMADA JUNICHI , SUGIURA NOBORU , KONDO EIICHIRO , YASUKURA YOICHI , WATANABE HIROSHI , NAKABAYASHI KENJI
IPC分类号： F02P3/05 , F02P13/00 , H01F38/12
摘要： PROBLEM TO BE SOLVED: To provide an ignition system for an internal combustion engine capable of providing a secondary coil with high induced voltage by a small semiconductor element since sufficient secondary voltage cannot be provided by an ignition system that shuts off primary current of a spark plug by a power transistor. SOLUTION: This ignition system for the internal combustion engine is provided with a spark plug part inserted in a plug hole of the internal combustion engine in an axial direction. The ignition coil is composed to induce high voltage on a secondary coil when current flowing in the primary coil is shut off. A control circuit controlling shut off of current to the primary coil is composed of isolation gate bipolar transistor. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的点火系统，该内燃机能够通过小的半导体元件提供具有高感应电压的次级线圈，因为由于关闭一次电流的点火系统不能提供足够的二次电压一个功率晶体管的火花塞。解决方案：用于内燃机的该点火系统设置有沿轴向插入内燃机的插头孔中的火花塞部件。当在初级线圈中流动的电流被切断时，点火线圈被构成为在次级线圈上感应高电压。控制电路切断到初级线圈的控制电路由隔离栅双极晶体管组成。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2007266635A Ignition system for internal combustion engine 有权
标题翻译：内燃机点火系统
公开(公告)号：JP2007266635A
公开(公告)日：2007-10-11
申请号：JP2007179178
申请日：2007-07-09
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： SHIMADA JUNICHI , SUGIURA NOBORU , KONDO EIICHIRO , YASUKURA YOICHI , WATANABE HIROSHI , NAKABAYASHI KENJI
IPC分类号： H01F38/12 , F02P13/00 , F02P15/00
摘要： PROBLEM TO BE SOLVED: To provide an ignition system for internal combustion engine in consideration of the sealing between an engine plug hole and the inside of an ignition coil. SOLUTION: An inner cylinder made of a seal rubber is mounted in the circumference of an outside case inserted in the plug hole. The seal rubber has an annular section extending outside, an outer cylinder is concentrically formed with an inner cylinder in the periphery edge of the annular section, and a swollen portion projecting in the direction of the outer cylinder is formed in the periphery at the lower end of the inner cylinder. This swollen portion forms a sealing surface by contacting with an inner surface of a cylinder of an engine side. COPYRIGHT: (C)2008,JPO&INPIT

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