JP2006275052A - ディーゼルエンジンのコモンレール燃料噴射方法 - Google Patents
ディーゼルエンジンのコモンレール燃料噴射方法 Download PDFInfo
- Publication number
- JP2006275052A JP2006275052A JP2006157311A JP2006157311A JP2006275052A JP 2006275052 A JP2006275052 A JP 2006275052A JP 2006157311 A JP2006157311 A JP 2006157311A JP 2006157311 A JP2006157311 A JP 2006157311A JP 2006275052 A JP2006275052 A JP 2006275052A
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- JP
- Japan
- Prior art keywords
- injection
- phase
- injection phase
- diesel engine
- engine
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 66
- 239000007924 injection Substances 0.000 title claims abstract description 66
- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 4
- 230000001052 transient effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 14
- 230000033228 biological regulation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Images
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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/403—Multiple injections with pilot injections
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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
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】この先行噴射フェーズは、好適には誘導行程の開始時に行われ、この主要噴射時の燃料の数パーセントに等しい量の噴射を供給し、このようにして圧縮行程の期間中にシリンダ内の圧力が上昇することで、部分的な酸化物質および/または、強い化学的親和力を伴う複合過酸化物が形成され、そしてこれらは、メイン・インジェクションフェーズのイグニッション・ラグを最小にする燃焼促進材として働き、よって、燃焼時に発生する窒素酸化物や騒音を削減する。
【選択図】 図2
Description
Claims (4)
- メイン・インジェクション(主要噴射)フェーズと、補助的なプレ・インジェクション(先行噴射)フェーズを具備し、前記の補助的なプレ・インジェクションフェーズは、ディーゼルエンジンのインダクションストローク(誘導行程)の開始時に行われ、これによりコンプレッションストローク(圧縮行程)の期間中にシリンダ内の圧力が上昇し、部分的な酸化物質及び強い化学的親和力を伴う複合酸化物の少なくともいずれかが形成され、前記メイン・インジェクション(主要噴射)フェーズの時間的遅れを最小にする燃焼促進材として働く、ことを特徴とするディーゼルエンジンのレール噴射方法。
- 前記プレ・インジェクションフェーズは、前記エンジンのシリンダ内に与えられた所定量の燃料を噴射することから成ることを特徴とする、請求項1に記載のディーゼルエンジンのレール噴射方法。
- 前記プレ・インジェクションフェーズは、前記メイン・インジェクションフェーズ期間中における燃料の量の数パーセントに等しい量の噴射によって行われることを特徴 とする、請求項2に記載のディーゼルエンジンのレール噴射方法。
- 前記プレ・インジェクションフェーズは、中低速のエンジンスピードと、部分的な負荷または過渡状態において、中央制御ユニット手段により支配的に制御されるパラメータを用いて行われることを特徴とする、先行する何れかの請求項に記載されたディーゼルエンジンのレール噴射方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO000608A IT1266891B1 (it) | 1994-07-22 | 1994-07-22 | Metodo di iniezione a collettore comune per motore diesel. |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8505629A Division JPH10504622A (ja) | 1994-07-22 | 1995-07-21 | ディーゼルエンジンのレール燃料噴射方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006275052A true JP2006275052A (ja) | 2006-10-12 |
Family
ID=11412695
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8505629A Withdrawn JPH10504622A (ja) | 1994-07-22 | 1995-07-21 | ディーゼルエンジンのレール燃料噴射方法 |
JP2006157311A Pending JP2006275052A (ja) | 1994-07-22 | 2006-06-06 | ディーゼルエンジンのコモンレール燃料噴射方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8505629A Withdrawn JPH10504622A (ja) | 1994-07-22 | 1995-07-21 | ディーゼルエンジンのレール燃料噴射方法 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0772737B1 (ja) |
JP (2) | JPH10504622A (ja) |
DE (1) | DE69505394T2 (ja) |
ES (1) | ES2124004T3 (ja) |
IT (1) | IT1266891B1 (ja) |
WO (1) | WO1996003578A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19707811B4 (de) * | 1997-02-27 | 2009-09-03 | Daimler Ag | Verfahren zur Reduzierung der Stickstoffoxide im Abgas einer Kraftstoff einspritzenden Brennkraftmaschine |
JP3985083B2 (ja) * | 1998-09-29 | 2007-10-03 | マツダ株式会社 | ディーゼルエンジンの排気浄化装置 |
US6675748B2 (en) | 2000-02-11 | 2004-01-13 | Westport Research Inc. | Method and apparatus for fuel injection into an internal combustion engine |
US6202601B1 (en) | 2000-02-11 | 2001-03-20 | Westport Research Inc. | Method and apparatus for dual fuel injection into an internal combustion engine |
US6705277B1 (en) * | 2000-07-13 | 2004-03-16 | Caterpillar Inc | Method and apparatus for delivering multiple fuel injections to the cylinder of an engine wherein the pilot fuel injection occurs during the intake stroke |
US6467452B1 (en) | 2000-07-13 | 2002-10-22 | Caterpillar Inc | Method and apparatus for delivering multiple fuel injections to the cylinder of an internal combustion engine |
GB2374633C (en) | 2001-04-19 | 2015-03-25 | Lotus Car | A four stroke engine |
US7296555B2 (en) * | 2005-08-25 | 2007-11-20 | General Electric Company | System and method for operating a turbo-charged engine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6010673A (ja) * | 1983-06-30 | 1985-01-19 | Fujitsu Ltd | 半導体装置 |
US4543930A (en) * | 1983-11-17 | 1985-10-01 | Southwest Research Institute | Staged direct injection diesel engine |
US4841936A (en) * | 1985-06-27 | 1989-06-27 | Toyota Jidosha Kabushiki Kaisha | Fuel injection control device of an internal combustion engine |
US5119780A (en) * | 1991-06-11 | 1992-06-09 | Southwest Research Institute | Staged direct injection diesel engine |
-
1994
- 1994-07-22 IT IT94TO000608A patent/IT1266891B1/it active IP Right Grant
-
1995
- 1995-07-21 WO PCT/IT1995/000122 patent/WO1996003578A1/en active IP Right Grant
- 1995-07-21 ES ES95926482T patent/ES2124004T3/es not_active Expired - Lifetime
- 1995-07-21 DE DE69505394T patent/DE69505394T2/de not_active Expired - Lifetime
- 1995-07-21 JP JP8505629A patent/JPH10504622A/ja not_active Withdrawn
- 1995-07-21 EP EP95926482A patent/EP0772737B1/en not_active Expired - Lifetime
-
2006
- 2006-06-06 JP JP2006157311A patent/JP2006275052A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0772737B1 (en) | 1998-10-14 |
JPH10504622A (ja) | 1998-05-06 |
DE69505394T2 (de) | 1999-05-12 |
DE69505394D1 (de) | 1998-11-19 |
ITTO940608A0 (it) | 1994-07-22 |
EP0772737A1 (en) | 1997-05-14 |
IT1266891B1 (it) | 1997-01-21 |
ITTO940608A1 (it) | 1996-01-22 |
ES2124004T3 (es) | 1999-01-16 |
WO1996003578A1 (en) | 1996-02-08 |
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