JP4187005B2 - 内燃機関用点火コイル及び点火装置 - Google Patents
内燃機関用点火コイル及び点火装置 Download PDFInfo
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- JP4187005B2 JP4187005B2 JP2006118708A JP2006118708A JP4187005B2 JP 4187005 B2 JP4187005 B2 JP 4187005B2 JP 2006118708 A JP2006118708 A JP 2006118708A JP 2006118708 A JP2006118708 A JP 2006118708A JP 4187005 B2 JP4187005 B2 JP 4187005B2
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- Japan
- Prior art keywords
- iron core
- coil
- primary
- terminal fitting
- ground terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P1/00—Installations having electric ignition energy generated by magneto- or dynamo- electric generators without subsequent storage
- F02P1/005—Construction and fastening of elements of magnetos other than the magnetic circuit and the windings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P1/00—Installations having electric ignition energy generated by magneto- or dynamo- electric generators without subsequent storage
- F02P1/08—Layout of circuits
- F02P1/083—Layout of circuits for generating sparks by opening or closing a coil circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P1/00—Installations having electric ignition energy generated by magneto- or dynamo- electric generators without subsequent storage
- F02P1/08—Layout of circuits
- F02P1/086—Layout of circuits for generating sparks by discharging a capacitor into a coil circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
図1及び図2は、本発明の好ましい実施形態を示したもので、図1は同実施形態の縦断面図、図2は鉄心の一部を省略して示した図1の左側面図である。これらの図において11は鋼板の積層体からなる鉄心で、図示の鉄心11は、I状に形成された鉄心本体11Aと、鉄心本体11Aの両端に蟻結合された脚部11B及び11Cとからなっている。脚部11B及び11Cの先端には、内燃機関のクランク軸に取りつけられるロータRTの外周に設けられた磁石界磁の磁極に対向させられる磁極部11B1及び11C1が形成されている。
12 一次ボビン
13 高圧コード接続部
14 一次コイル
15 二次ボビン
16 二次コイル
19 アース端子金具
19a アース端子金具の折り曲げ部
19b 端子部
19c 突起
19c1 突起の尖った先端
Claims (2)
- 鉄心と、前記鉄心の周囲に一次ボビンを介して巻回された一次コイルと該一次コイルを外側から囲むように設けられた二次コイルと、一部が前記一次ボビンと鉄心との間に挟み込まれた状態で配置されたアース端子金具と、前記一次コイル及び二次コイルを被覆するように設けられた樹脂モールド部とを備え、前記一次コイルの接地側の端末部が前記アース端子金具に接続されている内燃機関用点火コイルにおいて、
前記アース端子金具の前記一次ボビンと鉄心との間に挟み込まれた部分に、前記鉄心側に突出した少なくとも1個の突起が形成され、
前記突起は、前記鉄心に接触する先端部が尖った形状を有していること、
を特徴とする内燃機関用点火コイル。 - 鉄心と、前記鉄心の周囲に一次ボビンを介して巻回された一次コイルと該一次コイルを外側から囲むように設けられた二次コイルと、一部が前記一次ボビンと鉄心との間に挟み込まれた状態で配置されたアース端子金具とを有する点火コイルと、前記二次コイルの外側に配置されて前記点火コイルの一次電流を制御する制御回路を構成する制御ユニットと、前記一次コイル及び二次コイルを前記制御ユニットとともに被覆するように設けられた樹脂モールド部とを備え、前記一次コイルの接地側の端末部及び前記制御ユニットのアースにつながるアース線が前記アース端子金具に接続されている内燃機関用点火装置において、
前記アース端子金具の前記一次ボビンと鉄心との間に挟み込まれた部分に、前記鉄心側に突出した少なくとも1個の突起が形成され、
前記突起は、前記鉄心に接触する先端部が尖った形状を有していること、
を特徴とする内燃機関用点火装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006118708A JP4187005B2 (ja) | 2006-04-24 | 2006-04-24 | 内燃機関用点火コイル及び点火装置 |
US11/789,153 US7701318B2 (en) | 2006-04-24 | 2007-04-24 | Ignition coil and ignition device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006118708A JP4187005B2 (ja) | 2006-04-24 | 2006-04-24 | 内燃機関用点火コイル及び点火装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007294557A JP2007294557A (ja) | 2007-11-08 |
JP4187005B2 true JP4187005B2 (ja) | 2008-11-26 |
Family
ID=38618285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006118708A Active JP4187005B2 (ja) | 2006-04-24 | 2006-04-24 | 内燃機関用点火コイル及び点火装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7701318B2 (ja) |
JP (1) | JP4187005B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5478555B2 (ja) * | 2011-05-27 | 2014-04-23 | 日立オートモティブシステムズ株式会社 | 内燃機関用点火コイル |
JP6468143B2 (ja) * | 2015-09-16 | 2019-02-13 | 株式会社デンソー | 内燃機関用の点火コイル |
JP6791786B2 (ja) * | 2017-02-22 | 2020-11-25 | 株式会社やまびこ | エンジンのノッキング検出装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3229514B2 (ja) | 1995-05-08 | 2001-11-19 | 三菱電機株式会社 | 内燃機関用点火装置 |
-
2006
- 2006-04-24 JP JP2006118708A patent/JP4187005B2/ja active Active
-
2007
- 2007-04-24 US US11/789,153 patent/US7701318B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20070246029A1 (en) | 2007-10-25 |
JP2007294557A (ja) | 2007-11-08 |
US7701318B2 (en) | 2010-04-20 |
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