JPH0447150U - - Google Patents
Info
- Publication number
- JPH0447150U JPH0447150U JP8949490U JP8949490U JPH0447150U JP H0447150 U JPH0447150 U JP H0447150U JP 8949490 U JP8949490 U JP 8949490U JP 8949490 U JP8949490 U JP 8949490U JP H0447150 U JPH0447150 U JP H0447150U
- Authority
- JP
- Japan
- Prior art keywords
- ion current
- current detection
- capacitor
- electrode
- adapter
- 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.)
- Pending
Links
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例を示す側面図、第
２図は第１図内のアダプタを具体的に示す回路図
、第３図は従来の内燃機関の燃焼検出装置を示す
構成図である。
２……点火コイル、３……高圧コード、５……
点火プラグ、６……放電用電極、７……グランド
電極、８……イオン電流検出用電極、１０……気
筒、１２……燃焼室、１７……第２のコンデンサ
、１９……イオン電流検出端子、２０……アダプ
タ、２２……第１のコンデンサ（電源手段）、Ｉ
……イオン電流、尚、図中、同一符号は同一又は
相当部分を示す。
Fig. 1 is a side view showing an embodiment of this invention, Fig. 2 is a circuit diagram specifically showing the adapter in Fig. 1, and Fig. 3 is a configuration diagram showing a conventional combustion detection device for an internal combustion engine. be. 2...Ignition coil, 3...High voltage cord, 5...
Spark plug, 6...Discharge electrode, 7...Ground electrode, 8...Ion current detection electrode, 10...Cylinder, 12...Combustion chamber, 17...Second capacitor, 19...Ion current detection Terminal, 20...Adapter, 22...First capacitor (power supply means), I
...Ion current. In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
に接続された点火プラグと、 この点火プラグに設けられて前記気筒の燃焼室
内に露出された放電用電極、グランド電極及びイ
オン電流検出用電極と、 前記点火プラグに一体に設けられて前記高圧コ
ード及び前記イオン電流検出用電極に接続された
電源手段を含むアダプタと、 このアダプタに設けられたイオン電流検出端子
と、 を備えた内燃機関の燃焼検出装置。 (2) アダプタは、 高圧コード及びイオン電流検出用電極に接続さ
れた電源手段となる第１のコンデンサと、 前記イオン電流検出用電極と前記第１のコンデ
ンサとの接続点に接続された直流カツト用の第２
のコンデンサと、 この第２のコンデンサに接続されたイオン電流
検出端子と、 を含むことを特徴とする実用新案登録請求の範囲
第１項記載の内燃機関の燃焼検出装置。[Claims for Utility Model Registration] (1) A spark plug provided in a cylinder and connected to a high-voltage cord of an ignition coil, a discharge electrode provided in the spark plug and exposed inside the combustion chamber of the cylinder, and a ground. an adapter including an electrode and an ion current detection electrode; an adapter including a power supply means integrally provided on the spark plug and connected to the high voltage cord and the ion current detection electrode; an ion current detection terminal provided on the adapter; , a combustion detection device for an internal combustion engine. (2) The adapter includes a first capacitor serving as a power source connected to a high voltage cord and an ion current detection electrode, and a DC cut connected to a connection point between the ion current detection electrode and the first capacitor. second for
The combustion detection device for an internal combustion engine according to claim 1, which is characterized by comprising: a capacitor; and an ion current detection terminal connected to the second capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8949490U JPH0447150U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8949490U JPH0447150U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447150U true JPH0447150U (en) | 1992-04-22 |
Family
ID=31823514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8949490U Pending JPH0447150U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447150U (en) |
-
1990
- 1990-08-29 JP JP8949490U patent/JPH0447150U/ja active Pending
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