JPH0383346U - - Google Patents
Info
- Publication number
- JPH0383346U JPH0383346U JP14568189U JP14568189U JPH0383346U JP H0383346 U JPH0383346 U JP H0383346U JP 14568189 U JP14568189 U JP 14568189U JP 14568189 U JP14568189 U JP 14568189U JP H0383346 U JPH0383346 U JP H0383346U
- Authority
- JP
- Japan
- Prior art keywords
- swirl
- fuel injection
- acceleration
- diesel engine
- variable
- 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
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
第１図は本考案に係る燃焼制御装置を備えたエ
ンジンの全体構成図である。第２図はエンジンの
定常時及び加速時に応じて吸気スワールを可変と
するマツプの特性図、第３図はエンジンの定常時
及び加速時に応じて燃料噴射圧力を可変とするマ
ツプの特性図、第４図は燃料噴射タイミングの特
性図である。第５図はエンジンの所定回転数での
負荷に対する騒音レベルの変化を示す特性図であ
る。第６図は負荷に対する燃費悪化率及びスモー
ク発生率の変化を示す特性図である。
１……デイーゼルエンジン、６……燃焼室、７
……吸気通路、１２……制御弁、１３……可変ス
ワール機構、１５……燃料噴射ポンプ、１７……
コントロールユニツト。
FIG. 1 is an overall configuration diagram of an engine equipped with a combustion control device according to the present invention. Figure 2 is a characteristic diagram of a map that varies the intake swirl depending on the steady state and acceleration of the engine, Figure 3 is a characteristic diagram of a map that varies fuel injection pressure depending on the steady state and acceleration of the engine, and FIG. 4 is a characteristic diagram of fuel injection timing. FIG. 5 is a characteristic diagram showing changes in noise level with respect to load at a predetermined engine speed. FIG. 6 is a characteristic diagram showing changes in fuel efficiency deterioration rate and smoke generation rate with respect to load. 1... Diesel engine, 6... Combustion chamber, 7
... Intake passage, 12 ... Control valve, 13 ... Variable swirl mechanism, 15 ... Fuel injection pump, 17 ...
control unit.
Claims (1)
の強度を可変する可変スワール機構を備えたデイ
ーゼルエンジンにおいて、エンジンの加速を検出
する加速検出手段と、加速時に吸気のスワール強
度を低くするように上記可変スワール機構を制御
すると共に、燃料噴射圧力を下げ且つ燃料噴射タ
イミングを進ませるように燃料噴射ポンプを制御
する制御手段が設けられて成ることを特徴とする
デイーゼルエンジンの燃焼制御装置。 In a diesel engine equipped with a variable swirl mechanism that varies the intensity of intake air swirl formed in a combustion chamber in a cylinder, an acceleration detection means that detects engine acceleration and a variable swirl mechanism that reduces the intake swirl intensity during acceleration. 1. A combustion control device for a diesel engine, comprising control means for controlling a swirl mechanism and a fuel injection pump to lower fuel injection pressure and advance fuel injection timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14568189U JPH0383346U (en) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14568189U JPH0383346U (en) | 1989-12-18 | 1989-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0383346U true JPH0383346U (en) | 1991-08-23 |
Family
ID=31692306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14568189U Pending JPH0383346U (en) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0383346U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002675A (en) * | 2005-06-21 | 2007-01-11 | Honda Motor Co Ltd | Fuel injection control device for internal combustion engine |
| JP2007177783A (en) * | 2005-11-30 | 2007-07-12 | Toyota Motor Corp | Control device for internal combustion engine |
| WO2017115711A1 (en) * | 2015-12-28 | 2017-07-06 | 川崎重工業株式会社 | Piston for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60230529A (en) * | 1984-04-27 | 1985-11-16 | Mazda Motor Corp | Engine equipped with fuel injector |
-
1989
- 1989-12-18 JP JP14568189U patent/JPH0383346U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60230529A (en) * | 1984-04-27 | 1985-11-16 | Mazda Motor Corp | Engine equipped with fuel injector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002675A (en) * | 2005-06-21 | 2007-01-11 | Honda Motor Co Ltd | Fuel injection control device for internal combustion engine |
| JP4510704B2 (en) * | 2005-06-21 | 2010-07-28 | 本田技研工業株式会社 | Fuel injection control device for internal combustion engine |
| JP2007177783A (en) * | 2005-11-30 | 2007-07-12 | Toyota Motor Corp | Control device for internal combustion engine |
| WO2017115711A1 (en) * | 2015-12-28 | 2017-07-06 | 川崎重工業株式会社 | Piston for internal combustion engine |