JP4912409B2 - 可変圧力噴射用の多源燃料システム - Google Patents
可変圧力噴射用の多源燃料システム Download PDFInfo
- Publication number
- JP4912409B2 JP4912409B2 JP2008540024A JP2008540024A JP4912409B2 JP 4912409 B2 JP4912409 B2 JP 4912409B2 JP 2008540024 A JP2008540024 A JP 2008540024A JP 2008540024 A JP2008540024 A JP 2008540024A JP 4912409 B2 JP4912409 B2 JP 4912409B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure
- valve element
- injector
- combustion chamber
- 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.)
- Expired - Fee Related
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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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
-
- 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
- F02M45/04—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 with a small initial part, e.g. initial part for partial load and initial and main part for full load
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0045—Three-way valves
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
Claims (8)
- 少なくとも1つの燃焼室(22)を有するエンジン(10)用の燃料システム(12)であって、
燃料噴射器(32)と、
第1の圧力の第1の燃料源(30a)と、
第2の圧力の第2の燃料源(30b)と、
前記燃料噴射器(32)と、前記第1及び第2の燃料源との間に配置される圧力制御装置(102)であって、第1の圧力の燃料及び第2の圧力の燃料を、少なくとも1つの燃焼室内に噴射するための前記燃料噴射器に選択的に導くように構成された圧力制御装置(102)と、を備え、
前記圧力制御装置(102)が、第1の圧力の燃料と第2の圧力の燃料とを選択的に組み合わせ、組み合わせられた燃料を前記燃料噴射器(32)に選択的に導くように構成される燃料システム。 - 前記圧力制御装置が、前記第1及び第2の燃料源と連通する比例弁要素(106)を含み、前記比例弁要素が、第1の圧力の燃料のみが前記燃料噴射器に導かれる第1の位置と、第2の圧力の燃料のみが前記燃料噴射器に導かれる第2の位置との間で移動可能である、請求項1に記載の燃料システム。
- 第2の圧力が第1の圧力の約2倍であり、
前記比例弁要素が第1の位置に向かってばね付勢される、請求項2に記載の燃料システム。 - 前記圧力制御装置が、
第1の燃料源と連通する第1の弁要素(108)と、
第2の燃料源と連通する第2の弁要素(110)と、を備え、
第1の弁要素が、第2の燃料源からの加圧燃料が前記燃料噴射器に導かれる第1の位置と、第2の燃料源からの加圧燃料が前記燃料噴射器から遮断される第2の位置との間で移動可能な比例弁要素であり、
前記第2の弁要素が、前記第1の燃料源からの加圧燃料が燃料噴射器に導かれる第1の位置から、前記第1の燃料源からの加圧燃料が前記燃料噴射器から遮断される第2の位置に移動可能な2位置弁要素である、請求項1に記載の燃料システム。 - 前記圧力制御装置がピエゾアクチュエータ(104)を含む、請求項1に記載の燃料システム。
- 燃料をエンジン(10)の燃焼室(22)内に噴射する方法であって、
燃料を第1の圧力に加圧する段階と、
燃料を第2の圧力に加圧する段階と、
第1の圧力の燃料及び第2の圧力の燃料を、前記燃焼室内に噴射するための燃料噴射器(32)に選択的に導く段階と、
第1の圧力の燃料と第2の圧力の燃料とを選択的に組み合わせる段階と、
組み合わせられた燃料を前記燃料噴射器(32)に選択的に導く段階と、
を含む方法。 - パイロット噴射イベント中に第1の圧力で燃料を燃焼室内に噴射する段階と、
主噴射イベント中に第2の圧力で燃料を燃焼室内に噴射する段階と、
後噴射イベント中に第3の圧力で燃料を燃焼室内に噴射する段階であって、第3の圧力が第1の圧力よりも大きいが、第2の圧力よりも小さい段階と、
をさらに含む、請求項6に記載の方法。 - 作業機械(5)であって、
パワー出力を発生するように構成されたエンジン(10)であって、少なくとも1つの燃焼室(22)を有するエンジンと、
燃料を少なくとも1つの燃焼室内に噴射するように構成された請求項1〜5のいずれか1項に記載の燃料システム(12)と、
を備える作業機械。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73478405P | 2005-11-09 | 2005-11-09 | |
US60/734,784 | 2005-11-09 | ||
US11/332,306 US7398763B2 (en) | 2005-11-09 | 2006-01-17 | Multi-source fuel system for variable pressure injection |
US11/332,306 | 2006-01-17 | ||
PCT/US2006/036727 WO2007055805A1 (en) | 2005-11-09 | 2006-09-20 | Multi-source fuel system for variable pressure injection |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009515094A JP2009515094A (ja) | 2009-04-09 |
JP4912409B2 true JP4912409B2 (ja) | 2012-04-11 |
Family
ID=37575268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008540024A Expired - Fee Related JP4912409B2 (ja) | 2005-11-09 | 2006-09-20 | 可変圧力噴射用の多源燃料システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US7398763B2 (ja) |
JP (1) | JP4912409B2 (ja) |
CN (1) | CN101305180B (ja) |
DE (1) | DE112006003076T5 (ja) |
WO (1) | WO2007055805A1 (ja) |
Families Citing this family (26)
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2006
- 2006-01-17 US US11/332,306 patent/US7398763B2/en not_active Expired - Fee Related
- 2006-09-20 DE DE112006003076T patent/DE112006003076T5/de not_active Withdrawn
- 2006-09-20 CN CN2006800419269A patent/CN101305180B/zh not_active Expired - Fee Related
- 2006-09-20 WO PCT/US2006/036727 patent/WO2007055805A1/en active Application Filing
- 2006-09-20 JP JP2008540024A patent/JP4912409B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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DE112006003076T5 (de) | 2008-10-02 |
JP2009515094A (ja) | 2009-04-09 |
WO2007055805A1 (en) | 2007-05-18 |
CN101305180A (zh) | 2008-11-12 |
CN101305180B (zh) | 2011-02-16 |
US20070101968A1 (en) | 2007-05-10 |
US7398763B2 (en) | 2008-07-15 |
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