JPH0195576U - - Google Patents
Info
- Publication number
- JPH0195576U JPH0195576U JP19154587U JP19154587U JPH0195576U JP H0195576 U JPH0195576 U JP H0195576U JP 19154587 U JP19154587 U JP 19154587U JP 19154587 U JP19154587 U JP 19154587U JP H0195576 U JPH0195576 U JP H0195576U
- Authority
- JP
- Japan
- Prior art keywords
- compression ratio
- ignition timing
- abnormality detection
- internal combustion
- combustion engine
- 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
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の構成を示すクレーム対応図
、第２図はこの考案の一実施例を示す構成説明図
、第３図はこの実施例の一部拡大図、第４図は機
関運転状態に応じて予め設定された圧縮比領域の
データマツプ概略図、第５図は低圧縮比状態及び
高圧縮比状態における筒内圧力を示すインジケー
タ線図、第６図は圧縮比異常検出プログラムを示
すフローチヤート、第７図はこの実施例の制御を
示すフローチヤートである。
Ａ……内燃機関、Ｂ……圧縮比異常検出手段、
Ｃ……点火時期補正手段。
Fig. 1 is a claim correspondence diagram showing the structure of this invention, Fig. 2 is an explanatory view of the structure showing an embodiment of this invention, Fig. 3 is a partially enlarged view of this embodiment, and Fig. 4 is an engine operating state. Figure 5 is an indicator diagram showing the cylinder pressure in the low compression ratio state and high compression ratio state, and Figure 6 is the flowchart showing the compression ratio abnormality detection program. FIG. 7 is a flowchart showing the control of this embodiment. A... Internal combustion engine, B... Compression ratio abnormality detection means,
C...Ignition timing correction means.
Claims (1)
縮比が高圧縮比状態にステイツクしているか否か
を検出する圧縮比異常検出手段と、この異常検出
手段の信号に基づいて点火時期を遅角側に補正す
る点火時期補正手段とを備えたことを特徴とする
可変圧縮比内燃機関の制御装置。 In an internal combustion engine equipped with a variable compression ratio mechanism, a compression ratio abnormality detection means detects whether the compression ratio remains in a high compression ratio state, and the ignition timing is retarded based on a signal from the abnormality detection means. 1. A control device for a variable compression ratio internal combustion engine, comprising: ignition timing correction means for correcting ignition timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19154587U JPH0195576U (en) | 1987-12-17 | 1987-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19154587U JPH0195576U (en) | 1987-12-17 | 1987-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195576U true JPH0195576U (en) | 1989-06-23 |
Family
ID=31482451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19154587U Pending JPH0195576U (en) | 1987-12-17 | 1987-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004092560A1 (en) * | 2003-04-10 | 2004-10-28 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine with compression ratio-changing mechanism and method of controlling internal combustion engine |
-
1987
- 1987-12-17 JP JP19154587U patent/JPH0195576U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004092560A1 (en) * | 2003-04-10 | 2004-10-28 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine with compression ratio-changing mechanism and method of controlling internal combustion engine |