JPS6338069U - - Google Patents
Info
- Publication number
- JPS6338069U JPS6338069U JP13094186U JP13094186U JPS6338069U JP S6338069 U JPS6338069 U JP S6338069U JP 13094186 U JP13094186 U JP 13094186U JP 13094186 U JP13094186 U JP 13094186U JP S6338069 U JPS6338069 U JP S6338069U
- Authority
- JP
- Japan
- Prior art keywords
- fluctuations
- combustion engine
- internal combustion
- rotation speed
- cylinders
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
Description
第１図はこの考案の一実施例を示す構成説明図
、第２図はこの実施例の各部の信号波形を示すタ
イムチヤート、第３図はこの考案の異なる実施例
を示す構成説明図である。
１……内燃機関、２……排気通路、３……空燃
比センサ、４……センサ回路、５……バンドパス
フイルタ、６……微分器、７……コンパレータ、
８……コントロールユニツト。
Fig. 1 is an explanatory diagram showing the configuration of one embodiment of this invention, Fig. 2 is a time chart showing signal waveforms of each part of this embodiment, and Fig. 3 is an explanatory diagram of the configuration showing a different embodiment of this invention. . DESCRIPTION OF SYMBOLS 1... Internal combustion engine, 2... Exhaust passage, 3... Air-fuel ratio sensor, 4... Sensor circuit, 5... Band pass filter, 6... Differentiator, 7... Comparator,
8...Control unit.
Claims (1)
変動もしくは流速変動を検出する手段を設け、そ
の単位時間当たりの変動回数もしくは変動周期と
気筒数とから回転速度を検出することを特徴とす
る内燃機関の回転速度検出装置。 An internal combustion engine characterized in that a means for detecting pressure fluctuations or flow velocity fluctuations is provided in the intake passage or exhaust passage of the internal combustion engine, and the rotation speed is detected from the number of fluctuations per unit time or the fluctuation period and the number of cylinders. Rotation speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13094186U JPS6338069U (en) | 1986-08-27 | 1986-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13094186U JPS6338069U (en) | 1986-08-27 | 1986-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6338069U true JPS6338069U (en) | 1988-03-11 |
Family
ID=31028923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13094186U Pending JPS6338069U (en) | 1986-08-27 | 1986-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0414116A (en) * | 1990-05-08 | 1992-01-20 | Hidekazu Kojima | Pressure pulsation controller for fluid pipeline system |
| JPH0557368U (en) * | 1991-12-27 | 1993-07-30 | 日本軽金属株式会社 | Ceramic pump for hot chamber die casting machine injection |
-
1986
- 1986-08-27 JP JP13094186U patent/JPS6338069U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0414116A (en) * | 1990-05-08 | 1992-01-20 | Hidekazu Kojima | Pressure pulsation controller for fluid pipeline system |
| JPH0557368U (en) * | 1991-12-27 | 1993-07-30 | 日本軽金属株式会社 | Ceramic pump for hot chamber die casting machine injection |
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