JPH0454977U - - Google Patents
Info
- Publication number
- JPH0454977U JPH0454977U JP9648690U JP9648690U JPH0454977U JP H0454977 U JPH0454977 U JP H0454977U JP 9648690 U JP9648690 U JP 9648690U JP 9648690 U JP9648690 U JP 9648690U JP H0454977 U JPH0454977 U JP H0454977U
- Authority
- JP
- Japan
- Prior art keywords
- map
- load sensor
- ignition timing
- control map
- failure
- 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
- 230000002159 abnormal effect Effects 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
第１図は本考案の一実施例を示す全体構成図、
第２図はスパークプラグ回りを示すシリンダヘツ
ドの側断面図、第３図は第１図の制御ブロツク図
、第４図及び第５図は通常マツプ図、第６図及び
第７図は異常マツプ図、第８図は第２図の制御フ
ローチヤート図、第９図は本考案の第２実施例を
示す制御ブロツク図、第１０図は第９図の制御フ
ローチヤート図である。
Ｍ１，Ｍ２……通常マツプ、Ｍ３，Ｍ４……異
常マツプ、５……座金センサ、７……負荷センサ
、１０，１０Ａ……コントローラ、１２……入力
信号レベル比較回路。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
Figure 2 is a side sectional view of the cylinder head showing the area around the spark plug, Figure 3 is the control block diagram of Figure 1, Figures 4 and 5 are normal maps, and Figures 6 and 7 are abnormal maps. 8 is a control flowchart of FIG. 2, FIG. 9 is a control block diagram showing a second embodiment of the present invention, and FIG. 10 is a control flowchart of FIG. M1, M2... Normal map, M3, M4... Abnormal map, 5... Washer sensor, 7... Load sensor, 10, 10A... Controller, 12... Input signal level comparison circuit.
Claims (1)
出手段と、該手段からの信号に基づき失火と判定
したときに点火時期を通常制御マツプから該マツ
プより点火時期を遅らせている異常制御マツプに
切換える制御手段とを設けたことを特徴とするメ
タノールエンジンの点火装置。 A load sensor failure detection means for detecting a failure of the load sensor; and a control means for switching the ignition timing from a normal control map to an abnormal control map in which the ignition timing is delayed from the map when a misfire is determined based on a signal from the means. An ignition device for a methanol engine, characterized in that it is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9648690U JPH0454977U (en) | 1990-09-17 | 1990-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9648690U JPH0454977U (en) | 1990-09-17 | 1990-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454977U true JPH0454977U (en) | 1992-05-12 |
Family
ID=31836060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9648690U Pending JPH0454977U (en) | 1990-09-17 | 1990-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017047163A1 (en) * | 2015-09-16 | 2017-03-23 | ヤンマー株式会社 | Engine device |
-
1990
- 1990-09-17 JP JP9648690U patent/JPH0454977U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017047163A1 (en) * | 2015-09-16 | 2017-03-23 | ヤンマー株式会社 | Engine device |
| JP2017057776A (en) * | 2015-09-16 | 2017-03-23 | ヤンマー株式会社 | Engine device |
| US10267254B2 (en) | 2015-09-16 | 2019-04-23 | Yanmar Co., Ltd. | Engine device |