JPS61200435U - - Google Patents
Info
- Publication number
- JPS61200435U JPS61200435U JP8448285U JP8448285U JPS61200435U JP S61200435 U JPS61200435 U JP S61200435U JP 8448285 U JP8448285 U JP 8448285U JP 8448285 U JP8448285 U JP 8448285U JP S61200435 U JPS61200435 U JP S61200435U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- temperature
- fuel
- injector
- 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
- 239000000446 fuel Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 2
- 230000002596 correlated effect Effects 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例による燃料噴射式エン
ジンの概略構成図、第３図は上記エンジンにおけ
る制御ユニツト２０の演算処理のフローチヤート
を示す図、第４図はエンジン回転数とスロツトル
開度とをパラメータとなる吸気管噴射領域、ダイ
レクト噴射領域及び燃料カツト領域を示す図、第
５図及び第６図は各々スロツトル開度の変化速度
ｄθ／ｄｔ及び加速経過時間Δｔに対する加速増
量補正率Ｃａｃｃを決定するための関数ｆ２を示
す図である。
２２……第１の燃料噴射弁、２３……吸気通路
、２４……第２の燃料噴射弁、２５……噴射弁駆
動手段、２６……温度検出手段、２７……異常時
制御手段、１……エンジン、２……吸気通路、７
……第１の燃料噴射弁、８……第２の燃料噴射弁
、１９……水温センサ、２０……制御ユニツト、
２１……温度センサ。
Figure 1 is a functional block diagram showing the configuration of the present invention.
FIG. 2 is a schematic configuration diagram of a fuel injection type engine according to an embodiment of the present invention, FIG. 3 is a flowchart of the calculation processing of the control unit 20 in the engine, and FIG. 4 is a diagram showing the engine speed and throttle opening. Fig. 5 and Fig. 6 are diagrams showing the intake pipe injection region, direct injection region, and fuel cut region, in which the degree and degree are parameters, respectively. It is a figure which shows the function f2 for determining Cacc. 22...First fuel injection valve, 23...Intake passage, 24...Second fuel injection valve, 25...Injection valve driving means, 26...Temperature detection means, 27...Abnormality control means, 1 ...Engine, 2...Intake passage, 7
...First fuel injection valve, 8...Second fuel injection valve, 19...Water temperature sensor, 20...Control unit,
21...Temperature sensor.
Claims (1)
と、エンジンの吸気通路に設けられた第２の燃料
噴射弁と、エンジンの運転状態に応じて上記第１
、第２の燃料噴射弁のいずれか一方もしくは両方
を駆動する噴射弁駆動手段と、上記第１の燃料噴
射弁の温度又はこれに相関する因子の温度を検出
する温度検出手段と、該温度検出手段の出力を受
け上記第１の燃料噴射弁の駆動時に該噴射弁温度
又はこれに相関する因子の温度が異常温度になつ
た時上記噴射弁駆動手段を制御して上記第１の燃
料噴射弁の燃料噴射を停止せしめるとともに上記
第２の燃料噴射弁から燃料を噴射せしめる異常時
制御手段とを備えたことを特徴とする燃料噴射式
エンジン。 a first fuel injection valve provided in a cylinder of the engine; a second fuel injection valve provided in an intake passage of the engine;
, an injection valve driving means for driving one or both of the second fuel injection valves, a temperature detection means for detecting the temperature of the first fuel injection valve or the temperature of a factor correlated thereto, and the temperature detection means. When the temperature of the injector or the temperature of a factor correlated thereto reaches an abnormal temperature when the first fuel injector is driven by the output of the means, the injector driving means is controlled to control the first fuel injector. 1. A fuel injection type engine, comprising: abnormality control means for stopping fuel injection from the second fuel injection valve and for causing fuel to be injected from the second fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8448285U JPH0430358Y2 (en) | 1985-06-04 | 1985-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8448285U JPH0430358Y2 (en) | 1985-06-04 | 1985-06-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61200435U true JPS61200435U (en) | 1986-12-15 |
| JPH0430358Y2 JPH0430358Y2 (en) | 1992-07-22 |
Family
ID=30634037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8448285U Expired JPH0430358Y2 (en) | 1985-06-04 | 1985-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430358Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100609104B1 (en) | 2003-11-11 | 2006-08-09 | 도요다 지도샤 가부시끼가이샤 | Fuel injection control apparatus and fuel injection control method for internal combustion engine |
| JP2007032327A (en) * | 2005-07-25 | 2007-02-08 | Toyota Motor Corp | Controller of internal combustion engine |
| JP2014145303A (en) * | 2013-01-29 | 2014-08-14 | Mazda Motor Corp | Fuel temperature estimation device, fuel injection amount control device and fuel temperature estimation method |
-
1985
- 1985-06-04 JP JP8448285U patent/JPH0430358Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100609104B1 (en) | 2003-11-11 | 2006-08-09 | 도요다 지도샤 가부시끼가이샤 | Fuel injection control apparatus and fuel injection control method for internal combustion engine |
| JP2007032327A (en) * | 2005-07-25 | 2007-02-08 | Toyota Motor Corp | Controller of internal combustion engine |
| JP2014145303A (en) * | 2013-01-29 | 2014-08-14 | Mazda Motor Corp | Fuel temperature estimation device, fuel injection amount control device and fuel temperature estimation method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0430358Y2 (en) | 1992-07-22 |