JP2010209805A - 筒内噴射式多気筒内燃機関 - Google Patents
筒内噴射式多気筒内燃機関 Download PDFInfo
- Publication number
- JP2010209805A JP2010209805A JP2009057078A JP2009057078A JP2010209805A JP 2010209805 A JP2010209805 A JP 2010209805A JP 2009057078 A JP2009057078 A JP 2009057078A JP 2009057078 A JP2009057078 A JP 2009057078A JP 2010209805 A JP2010209805 A JP 2010209805A
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- JP
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- Prior art keywords
- cylinder
- air
- injection
- fuel
- injection valve
- 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.)
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Classifications
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- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/04—Injectors peculiar thereto
- F02M69/047—Injectors peculiar thereto injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles
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- 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
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
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- 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
- F02M67/00—Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type
- F02M67/02—Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type the gas being compressed air, e.g. compressed in pumps
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- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/08—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by the fuel being carried by compressed air into main stream of combustion-air
-
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/10—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump chamber
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- 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
Abstract
【解決手段】空気ポンプの吐出時期が、全ての気筒の燃料噴射弁および空気気噴射弁の噴射時期を避けて設定される。
【選択図】 図5
Description
21・・・燃焼室
40・・・混合気噴射弁
42・・・空気ポンプ
43・・・燃料噴射弁
44・・・空気噴射弁
Claims (5)
- 燃料を噴射する燃料噴射弁(43)ならびに該燃料噴射弁(43)から噴射された燃料および噴射用空気の混合気を噴射する空気噴射弁(44)から成るとともに各気筒の燃焼室(21)に前記混合気を直接噴射するようにして多気筒の機関本体(10)に取付けられる複数の混合気噴射弁(40)と、クランクシャフトからの動力伝達によって駆動されて前記噴射用空気となる圧縮空気を吐出するようにして前記混合気噴射弁(40)に共通に接続される空気ポンプ(42)とを備え、不等間隔爆発を行う筒内噴射式多気筒内燃機関において、前記空気ポンプ(42)の吐出時期が、全ての気筒の前記燃料噴射弁(43)および前記空気噴射弁(44)の噴射時期を避けて設定されることを特徴とする筒内噴射式多気筒内燃機関。
- 前記機関本体(10)が2気筒に構成され、前記空気ポンプ(42)の吐出時期が、一方の気筒の前記空気噴射弁(44)の噴射が完了した後であって他方の気筒の前記燃料噴射弁(43)の噴射時期よりも前に設定されることを特徴とする請求項1記載の筒内噴射式多気筒内燃機関。
- 前記一方の気筒の前記空気噴射弁(44)の噴射が完了してから空気ポンプ(42)の吐出が開始されるまでの時間が、該空気ポンプ(42)の吐出が完了してから前記他方の気筒の燃料噴射弁(43)の噴射が開始されるまでの時間よりも短く設定されることを特徴とする請求項2記載の筒内噴射式多気筒内燃機関。
- 前記空気ポンプ(42)の吐出時期が、前記一方の気筒の空気噴射弁(44)の噴射が完了した直後に設定されることを特徴とする請求項2または3記載の筒内噴射式多気筒内燃機関。
- 前記空気ポンプ(42)の吐出時期が、前記他方の気筒の排気上死点近傍から前記一方の気筒の圧縮上死点近傍の間に設定されることを特徴とする請求項2〜4のいずれかに記載の筒内噴射式多気筒内燃機関。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009057078A JP5243312B2 (ja) | 2009-03-10 | 2009-03-10 | 筒内噴射式2気筒内燃機関 |
US12/711,642 US9091241B2 (en) | 2009-03-10 | 2010-02-24 | In-cylinder injection type multicylinder internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009057078A JP5243312B2 (ja) | 2009-03-10 | 2009-03-10 | 筒内噴射式2気筒内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010209805A true JP2010209805A (ja) | 2010-09-24 |
JP5243312B2 JP5243312B2 (ja) | 2013-07-24 |
Family
ID=42729663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009057078A Active JP5243312B2 (ja) | 2009-03-10 | 2009-03-10 | 筒内噴射式2気筒内燃機関 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9091241B2 (ja) |
JP (1) | JP5243312B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2798870C (en) | 2012-12-17 | 2014-07-22 | Westport Power Inc. | Air-enriched gaseous fuel direct injection for an internal combustion engine |
JP6473045B2 (ja) * | 2015-05-20 | 2019-02-20 | ヤマハ発動機株式会社 | 多気筒エンジン及び船外機 |
CN114303011A (zh) * | 2019-06-28 | 2022-04-08 | 奥比托澳大利亚有限公司 | 燃料空气调节器定位 |
Citations (2)
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---|---|---|---|---|
JP2004340046A (ja) * | 2003-05-16 | 2004-12-02 | Honda Motor Co Ltd | 筒内噴射式内燃機関 |
JP2005299454A (ja) * | 2004-04-09 | 2005-10-27 | Denso Corp | 内燃機関用制御装置 |
Family Cites Families (19)
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US1149142A (en) * | 1914-09-05 | 1915-08-03 | Dayton H Hornor | Internal-combustion engine. |
US2048243A (en) * | 1932-01-12 | 1936-07-21 | Zoller Arnold | Internal combustion engine |
US2080846A (en) * | 1934-04-30 | 1937-05-18 | Alfaro Heraclio | Internal combustion engine |
US3766894A (en) * | 1971-03-22 | 1973-10-23 | L Mize | Two cycle internal combustion engine with sequential opening and closing of exhaust and intake ports |
AU6675074A (en) * | 1973-03-19 | 1975-09-18 | Yamaha Motor Co Ltd | Internal combustion machine |
DE2523712C3 (de) * | 1975-05-28 | 1978-04-06 | Bernhard Dipl.-Ing. 8070 Ingolstadt Buechner | Zweitaktbrennkraftmaschine mit Doppelkolben |
US4288326A (en) * | 1978-03-14 | 1981-09-08 | Keefer Bowie | Rotary shaft driven reverse osmosis method and apparatus |
FR2437506A1 (fr) * | 1978-09-29 | 1980-04-25 | Thomson Csf | Capteur de position angulaire pour moteur a combustion interne equipe d'un systeme d'allumage electronique |
DE2923941C2 (de) * | 1979-06-13 | 1982-12-30 | Bernhard Dipl.-Ing. 8070 Ingolstadt Büchner | Zweitaktbrennkraftmaschine |
US4290394A (en) * | 1980-03-07 | 1981-09-22 | Brunswick Corporation | Two-cycle engine with fuel injection |
JP2848491B2 (ja) * | 1988-11-16 | 1999-01-20 | 株式会社日立製作所 | 燃料噴射制御装置 |
US5148788A (en) * | 1991-06-19 | 1992-09-22 | Hitachi America, Ltd. | Air-assist fuel injection system |
KR100237532B1 (ko) * | 1996-03-01 | 2000-01-15 | 나까무라 히로까즈 | 내연기관의 기통판별장치 |
US6629650B2 (en) * | 2001-07-10 | 2003-10-07 | Delphi Technologies, Inc. | Fuel injector with integral damper |
EP1366279B1 (en) * | 2002-01-31 | 2006-10-18 | Mazda Motor Corporation | Control device for spark-ignition engine |
JP2005016496A (ja) * | 2003-06-30 | 2005-01-20 | Aisan Ind Co Ltd | 内燃機関の燃料噴射制御装置 |
JP4187109B2 (ja) * | 2004-09-27 | 2008-11-26 | 本田技研工業株式会社 | 空気・燃料混合気噴射式内燃機関 |
ITTO20060187A1 (it) * | 2005-03-30 | 2006-09-30 | Honda Motor Co Ltd | Motore a combustione interna del tipo a 'v'. |
JP4546404B2 (ja) * | 2006-01-25 | 2010-09-15 | 本田技研工業株式会社 | エンジンの燃料噴射弁取付け構造 |
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2009
- 2009-03-10 JP JP2009057078A patent/JP5243312B2/ja active Active
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2010
- 2010-02-24 US US12/711,642 patent/US9091241B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004340046A (ja) * | 2003-05-16 | 2004-12-02 | Honda Motor Co Ltd | 筒内噴射式内燃機関 |
JP2005299454A (ja) * | 2004-04-09 | 2005-10-27 | Denso Corp | 内燃機関用制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5243312B2 (ja) | 2013-07-24 |
US20100229830A1 (en) | 2010-09-16 |
US9091241B2 (en) | 2015-07-28 |
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