JP5549641B2 - 内燃機関の燃焼システム - Google Patents
内燃機関の燃焼システム Download PDFInfo
- Publication number
- JP5549641B2 JP5549641B2 JP2011114389A JP2011114389A JP5549641B2 JP 5549641 B2 JP5549641 B2 JP 5549641B2 JP 2011114389 A JP2011114389 A JP 2011114389A JP 2011114389 A JP2011114389 A JP 2011114389A JP 5549641 B2 JP5549641 B2 JP 5549641B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- combustion
- injection
- water
- spray
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
- F02M25/03—Adding water into the cylinder or the pre-combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
- F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/02—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
- F02M25/0225—Water atomisers or mixers, e.g. using ultrasonic waves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0227—Control aspects; Arrangement of sensors; Diagnostics; Actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
図1(b)は、本実施形態にかかる燃焼システム及びそのシステムが適用される内燃機関の概略を示す図であり、圧縮自着火式の内燃機関10(ディーゼルエンジン)に適用されることを想定している。なお、図中の符号13は吸気弁を示し、符号14は排気弁を示す。
上記第1実施形態では、水噴霧の運動エネルギEwと燃料噴霧の運動エネルギEfとを同じにすることを、水噴射期間Tqwと燃料噴射期間Tqfとを同じにすることよりも優先させている。これに対し本実施形態では、Tqw=TqfとすることをEw=Efとすることよりも優先させている。
上記第1実施形態では、燃料噴射弁20をシリンダヘッド11の中央に配置して燃焼室10aの上方から燃料を噴射させている。これに対し本実施形態では、図7に示すように、燃料噴射弁20をシリンダブロック12に配置して燃焼室10aの側方(径方向)から燃料を噴射させている。
本発明は上記実施形態の記載内容に限定されず、以下のように変更して実施してもよい。また、各実施形態の特徴的構成をそれぞれ任意に組み合わせるようにしてもよい。
・上記第1実施形態では、水噴霧の運動エネルギEwと燃料噴霧の運動エネルギEfとを略同一に設定しているが、EwがEfよりも大きくなるように設定して、燃料噴霧の貫徹力低減効果を増大させ、燃料噴霧がシリンダ壁面10bに到達しないようにする確実性向上を図ってもよい。
Claims (5)
- 内燃機関の燃焼室へ燃料を直接噴射する燃料噴射弁と、
前記燃焼室へ非燃焼流体を噴射する非燃焼流体噴射弁と、
を備え、
前記非燃焼流体を、前記燃料噴射弁から噴射された燃料噴霧と対向するように噴射して衝突させ、
前記燃焼室の縦断面視において、前記非燃焼流体噴射弁から噴射された非燃焼流体の噴霧の中心軸線と、前記燃料噴霧の中心軸線とが燃焼室内で一致するように、前記燃料噴射弁および前記非燃焼流体噴射弁を配置し、
前記燃料の噴射開始以前に前記非燃焼流体の噴射を開始させ、前記燃料の噴射終了より後に前記非燃焼流体を噴射させることを禁止することを特徴とする内燃機関の燃焼システム。 - 前記燃焼室の横断面視において、前記非燃焼流体噴射弁から噴射された非燃焼流体の噴霧の中心軸線と、前記燃料噴霧の中心軸線とが燃焼室内で一致するように、前記燃料噴射弁および前記非燃焼流体噴射弁を配置したことを特徴とする請求項1に記載の内燃機関の燃焼システム。
- 前記燃料噴霧の燃焼室壁面方向への速度を減衰させるように、前記非燃焼流体を前記燃料噴霧に衝突させることを特徴とする請求項1又は2に記載の内燃機関の燃焼システム。
- 噴射された非燃焼流体の運動エネルギが、前記燃料噴霧の運動エネルギと等しくなるよう、前記非燃焼流体を噴射させることを特徴とする請求項1〜3のいずれか1つに記載の内燃機関の燃焼システム。
- 前記非燃焼流体噴射弁へ供給される非燃焼流体の圧力、および非燃焼流体の噴射期間の少なくとも一方を可変制御することで、噴射された非燃焼流体の運動エネルギが目標値となるよう制御する制御手段を備えることを特徴とする請求項4に記載の内燃機関の燃焼システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011114389A JP5549641B2 (ja) | 2011-05-23 | 2011-05-23 | 内燃機関の燃焼システム |
US13/474,177 US20120298071A1 (en) | 2011-05-23 | 2012-05-17 | Combustion system for internal combustion engine |
DE102012104336.1A DE102012104336B4 (de) | 2011-05-23 | 2012-05-21 | Verbrennungssystem für einen Verbrennungsmotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011114389A JP5549641B2 (ja) | 2011-05-23 | 2011-05-23 | 内燃機関の燃焼システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012241656A JP2012241656A (ja) | 2012-12-10 |
JP5549641B2 true JP5549641B2 (ja) | 2014-07-16 |
Family
ID=47140548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011114389A Active JP5549641B2 (ja) | 2011-05-23 | 2011-05-23 | 内燃機関の燃焼システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US20120298071A1 (ja) |
JP (1) | JP5549641B2 (ja) |
DE (1) | DE102012104336B4 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2985543A3 (fr) * | 2012-01-11 | 2013-07-12 | Renault Sa | Procede de controle de la combustion d'un moteur diesel |
DE102012206242A1 (de) * | 2012-04-17 | 2013-10-17 | Bayerische Motoren Werke Aktiengesellschaft | Brennkraftmaschine |
CN104454247A (zh) * | 2013-09-16 | 2015-03-25 | 邹岳明 | 油水混合动力发动机及其工作方法 |
JP5713088B1 (ja) | 2013-11-08 | 2015-05-07 | トヨタ自動車株式会社 | 筒内噴射式内燃機関の水供給制御装置 |
JP5704220B1 (ja) * | 2013-11-15 | 2015-04-22 | トヨタ自動車株式会社 | 筒内噴射式内燃機関の凝縮水供給制御装置 |
CN105275674A (zh) * | 2014-06-20 | 2016-01-27 | 刘钟亮 | 一种利用注水法使燃油发动机节油的方法 |
CN107567539B (zh) * | 2015-05-06 | 2021-01-05 | 罗伯特·博世有限公司 | 内燃机的用于喷射水的装置和用于运行这类装置的方法 |
CN105128651B (zh) * | 2015-08-11 | 2017-10-20 | 无锡同捷汽车设计有限公司 | 汽车水汽综合利用系统及利用方法 |
JP2017207011A (ja) * | 2016-05-19 | 2017-11-24 | 日立オートモティブシステムズ株式会社 | 内燃機関制御装置 |
DE102016212951A1 (de) * | 2016-07-15 | 2018-02-01 | Ford Global Technologies, Llc | Direkteinspritzende fremdgezündete Brennkraftmaschine mit im Zylinderrohr angeordneter Einspritzvorrichtung und Verfahren zum Betreiben einer derartigen Brennkraftmaschine |
CN106246329A (zh) * | 2016-07-29 | 2016-12-21 | 中国北方发动机研究所(天津) | 一种高速柴油发动机缸内直喷水装置 |
WO2018065594A1 (en) * | 2016-10-07 | 2018-04-12 | Dma Tech S.À R.L. | Internal combustion steam engine |
JP6278089B1 (ja) * | 2016-10-07 | 2018-02-14 | マツダ株式会社 | 予混合圧縮着火式エンジンシステム |
RU188228U1 (ru) * | 2018-07-25 | 2019-04-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волжский государственный университет водного транспорта" (ФГБОУ ВО "ВГУВТ") | Дизель |
JP2021143629A (ja) * | 2020-03-12 | 2021-09-24 | 株式会社Subaru | 内燃機関 |
RU202709U1 (ru) * | 2020-10-12 | 2021-03-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волжский государственный университет водного транспорта" (ФГБОУ ВО "ВГУВТ") | Дизель |
RU209748U1 (ru) * | 2021-11-02 | 2022-03-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волжский государственный университет водного транспорта" (ФГБОУ ВО "ВГУВТ") | Дизель |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2777430A (en) * | 1955-07-22 | 1957-01-15 | Maschf Augsburg Nuernberg Ag | Method for injecting water into the combustion chamber of high speed diesel engines |
JPS5985471A (ja) * | 1982-11-09 | 1984-05-17 | Mitsubishi Heavy Ind Ltd | デイ−ゼル機関の燃焼装置 |
US4748949A (en) * | 1985-02-05 | 1988-06-07 | Sulzer Brothers Limited | Method and system for injecting a pilot fuel into a combustion chamber |
JPH06248950A (ja) * | 1993-02-26 | 1994-09-06 | Horiba Ltd | ディーゼルエンジン |
JP3337307B2 (ja) * | 1994-02-21 | 2002-10-21 | 三菱重工業株式会社 | 水噴射式ディーゼル機関 |
JPH08144771A (ja) | 1994-11-15 | 1996-06-04 | Kiichi Taga | 水噴射断熱エンジン |
JPH09112354A (ja) * | 1995-10-16 | 1997-04-28 | Mitsubishi Heavy Ind Ltd | 二液衝突混合弁 |
JPH09126084A (ja) * | 1995-10-27 | 1997-05-13 | Diesel United:Kk | ディーゼル機関用燃料噴射弁 |
JP3196674B2 (ja) * | 1996-12-13 | 2001-08-06 | トヨタ自動車株式会社 | 筒内噴射式火花点火機関 |
JP3823543B2 (ja) * | 1998-06-11 | 2006-09-20 | 三菱ふそうトラック・バス株式会社 | 燃料噴射弁 |
WO2002081882A1 (en) * | 2001-04-06 | 2002-10-17 | Mitsubishi Heavy Industries, Ltd. | Method of operating internal combustion engine injected with critical water |
JP3902018B2 (ja) * | 2001-04-06 | 2007-04-04 | 三菱重工業株式会社 | 往復動内燃機関の運転方法とそのシステム |
JP2008175078A (ja) | 2007-01-16 | 2008-07-31 | Nissan Motor Co Ltd | エンジンの水噴射制御方法及び水噴射制御装置 |
JP2009138661A (ja) | 2007-12-07 | 2009-06-25 | Nissan Motor Co Ltd | エンジンの水噴射制御装置及び水噴射制御方法 |
-
2011
- 2011-05-23 JP JP2011114389A patent/JP5549641B2/ja active Active
-
2012
- 2012-05-17 US US13/474,177 patent/US20120298071A1/en not_active Abandoned
- 2012-05-21 DE DE102012104336.1A patent/DE102012104336B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102012104336B4 (de) | 2021-05-27 |
JP2012241656A (ja) | 2012-12-10 |
US20120298071A1 (en) | 2012-11-29 |
DE102012104336A1 (de) | 2012-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5549641B2 (ja) | 内燃機関の燃焼システム | |
JP2013044245A (ja) | 燃焼システムの制御装置 | |
JP4582217B2 (ja) | 火花点火式直噴エンジン | |
US20060243242A1 (en) | Compression-ignition internal combustion engine | |
US7275515B2 (en) | Control device for internal combustion engine | |
JP5257054B2 (ja) | 火花点火式直噴エンジン | |
JP4543978B2 (ja) | 内燃機関の制御装置 | |
US20170138314A1 (en) | Control system of engine | |
CN105264202A (zh) | 内燃发动机 | |
JP2008151020A (ja) | 段差を備えたピストンを有した筒内噴射エンジンと制御装置 | |
JP2005307904A (ja) | 燃料噴射装置 | |
CN105986877A (zh) | 内燃发动机 | |
Davis et al. | Development of the combustion system for General Motors’ 3.6 L DOHC 4V V6 engine with direct injection | |
CN107407223B (zh) | 直喷发动机的燃料喷射控制装置 | |
WO2006100821A1 (en) | Internal combustion engine | |
JP4747553B2 (ja) | 圧縮着火内燃機関 | |
US20120097128A1 (en) | Cylinder Injection Engine and Control Device Therefor | |
US11306650B2 (en) | Combustion chamber structure of engine | |
US20190107041A1 (en) | Internal Combustion Engine Control Device | |
JP2021014799A (ja) | エンジンの燃焼室構造 | |
JP2010150970A (ja) | 火花点火式直噴エンジン | |
JP5136255B2 (ja) | 火花点火式直噴エンジン | |
JP2006258008A (ja) | 内燃機関 | |
KR20210077666A (ko) | 전자 연료분사식 디젤 엔진 | |
Hammer et al. | Modern GDI combustion systems with focus on fuel metering technology fulfilling future emission legislation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130131 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130430 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130430 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130618 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131022 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131210 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140422 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140505 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5549641 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |