JPS6390137U - - Google Patents
Info
- Publication number
- JPS6390137U JPS6390137U JP18543786U JP18543786U JPS6390137U JP S6390137 U JPS6390137 U JP S6390137U JP 18543786 U JP18543786 U JP 18543786U JP 18543786 U JP18543786 U JP 18543786U JP S6390137 U JPS6390137 U JP S6390137U
- Authority
- JP
- Japan
- Prior art keywords
- charge
- combustion engine
- internal combustion
- pressure sensor
- output
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 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処理
装置を示す全体概要図、第２図は第１図の圧力セ
ンサの回路図である。
８：圧電式圧力センサ、８１：圧電素子、８２
：電荷／電圧変換回路、８３：増幅回路。
FIG. 1 is an overall schematic diagram showing a cylinder pressure processing device for an internal combustion engine according to the present invention, and FIG. 2 is a circuit diagram of the pressure sensor shown in FIG. 1. 8: Piezoelectric pressure sensor, 81: Piezoelectric element, 82
: Charge/voltage conversion circuit, 83: Amplification circuit.
Claims (1)
力センサに、 該圧力センサの圧電素子８１の発生電荷を電圧
に変換する電荷／電圧変換回路８２と、 該電荷／電圧変換回路の出力により利得が可変
され、該出力を増幅する増幅回路８３と、 を内蔵した内燃機関の筒内圧力処理装置。[Claims for Utility Model Registration] A piezoelectric pressure sensor for detecting cylinder pressure of an internal combustion engine, comprising: a charge/voltage conversion circuit 82 for converting the charge generated by a piezoelectric element 81 of the pressure sensor into a voltage; and the charge. An in-cylinder pressure processing device for an internal combustion engine, which includes: an amplifier circuit 83 whose gain is varied according to the output of a voltage conversion circuit and which amplifies the output;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18543786U JPH0542358Y2 (en) | 1986-12-03 | 1986-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18543786U JPH0542358Y2 (en) | 1986-12-03 | 1986-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6390137U true JPS6390137U (en) | 1988-06-11 |
| JPH0542358Y2 JPH0542358Y2 (en) | 1993-10-26 |
Family
ID=31134061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18543786U Expired - Lifetime JPH0542358Y2 (en) | 1986-12-03 | 1986-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542358Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005002909A (en) * | 2003-06-12 | 2005-01-06 | Denso Corp | Combustion pressure sensor and method for adjusting output thereof |
-
1986
- 1986-12-03 JP JP18543786U patent/JPH0542358Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005002909A (en) * | 2003-06-12 | 2005-01-06 | Denso Corp | Combustion pressure sensor and method for adjusting output thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542358Y2 (en) | 1993-10-26 |
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