JPS6288932U - - Google Patents
Info
- Publication number
- JPS6288932U JPS6288932U JP17998385U JP17998385U JPS6288932U JP S6288932 U JPS6288932 U JP S6288932U JP 17998385 U JP17998385 U JP 17998385U JP 17998385 U JP17998385 U JP 17998385U JP S6288932 U JPS6288932 U JP S6288932U
- Authority
- JP
- Japan
- Prior art keywords
- output
- engine
- pressure sensor
- absolute pressure
- sensor
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案に係る内燃機関の筒内圧力補正
装置を含む機関を示す全体概略図、第２図は第１
図の筒内圧力補正装置の詳細な回路図、第３図は
第２図の筒内圧力補正装置の動作を説明するため
のタイミング図である。
１…機関本体、３…絶対圧力センサ、４…デイ
ストリビユータ、７…燃料噴射弁、８…シリンダ
ブロツク、９…圧電式圧力センサ、１０…制御回
路。
FIG. 1 is an overall schematic diagram showing an engine including a cylinder pressure correction device for an internal combustion engine according to the present invention, and FIG.
FIG. 3 is a detailed circuit diagram of the cylinder pressure correction device shown in the figure, and FIG. 3 is a timing chart for explaining the operation of the cylinder pressure correction device shown in FIG. DESCRIPTION OF SYMBOLS 1... Engine main body, 3... Absolute pressure sensor, 4... Distributor, 7... Fuel injection valve, 8... Cylinder block, 9... Piezoelectric pressure sensor, 10... Control circuit.
Claims (1)
サと、 前記機関の吸気管もしくは排気管に設けられ該
吸気管もしくは排気管の絶対圧力を検出する絶対
圧力センサと、 前記機関の所定クランク角位置での前記圧電式
センサの出力と前記絶対圧力センサの出力との差
を検出する手段と、 該検出された差にもとづいて各時点での前記圧
電式圧力センサの出力を補正する手段と、 を具備する内燃機関の筒内圧力補正装置。[Scope of Claim for Utility Model Registration] A piezoelectric pressure sensor that detects the in-cylinder pressure of an internal combustion engine, and an absolute pressure sensor that is installed in an intake pipe or exhaust pipe of the engine and detects the absolute pressure of the intake pipe or exhaust pipe. , means for detecting a difference between the output of the piezoelectric sensor and the output of the absolute pressure sensor at a predetermined crank angle position of the engine; and means for detecting the difference between the output of the piezoelectric sensor and the absolute pressure sensor at a predetermined crank angle position of the engine; A cylinder pressure correction device for an internal combustion engine, comprising: means for correcting output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17998385U JPS6288932U (en) | 1985-11-25 | 1985-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17998385U JPS6288932U (en) | 1985-11-25 | 1985-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6288932U true JPS6288932U (en) | 1987-06-06 |
Family
ID=31123526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17998385U Pending JPS6288932U (en) | 1985-11-25 | 1985-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6288932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013221407A (en) * | 2012-04-12 | 2013-10-28 | Denso Corp | Electronic control apparatus |
-
1985
- 1985-11-25 JP JP17998385U patent/JPS6288932U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013221407A (en) * | 2012-04-12 | 2013-10-28 | Denso Corp | Electronic control apparatus |
| US9523621B2 (en) | 2012-04-12 | 2016-12-20 | Denso Corporation | Electronic control system |