JPH0577015B2 - - Google Patents
Info
- Publication number
- JPH0577015B2 JPH0577015B2 JP23581385A JP23581385A JPH0577015B2 JP H0577015 B2 JPH0577015 B2 JP H0577015B2 JP 23581385 A JP23581385 A JP 23581385A JP 23581385 A JP23581385 A JP 23581385A JP H0577015 B2 JPH0577015 B2 JP H0577015B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- combustion
- value
- abnormality
- frequency signal
- 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.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims description 51
- 230000005856 abnormality Effects 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 28
- 230000002159 abnormal effect Effects 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 17
- 238000012545 processing Methods 0.000 description 14
- 238000012544 monitoring process Methods 0.000 description 12
- 239000000446 fuel Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000012937 correction Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 101100409308 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) adv-1 gene Proteins 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Testing Of Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23581385A JPS6295442A (ja) | 1985-10-22 | 1985-10-22 | 内燃機関の燃焼監視装置 |
| US06/917,893 US4821194A (en) | 1985-10-22 | 1986-10-10 | Cylinder combustion monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23581385A JPS6295442A (ja) | 1985-10-22 | 1985-10-22 | 内燃機関の燃焼監視装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6295442A JPS6295442A (ja) | 1987-05-01 |
| JPH0577015B2 true JPH0577015B2 (en]) | 1993-10-25 |
Family
ID=16991633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23581385A Granted JPS6295442A (ja) | 1985-10-22 | 1985-10-22 | 内燃機関の燃焼監視装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6295442A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117790A (en) * | 1991-02-19 | 1992-06-02 | Caterpillar Inc. | Engine operation using fully flexible valve and injection events |
| JP3467657B2 (ja) * | 1994-12-26 | 2003-11-17 | 株式会社日立製作所 | 内燃機関の排気制御装置 |
| JP6052325B2 (ja) | 2014-06-27 | 2016-12-27 | トヨタ自動車株式会社 | 内燃機関システム |
-
1985
- 1985-10-22 JP JP23581385A patent/JPS6295442A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6295442A (ja) | 1987-05-01 |
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