JP5089679B2 - 燃料噴射装置 - Google Patents
燃料噴射装置 Download PDFInfo
- Publication number
- JP5089679B2 JP5089679B2 JP2009502718A JP2009502718A JP5089679B2 JP 5089679 B2 JP5089679 B2 JP 5089679B2 JP 2009502718 A JP2009502718 A JP 2009502718A JP 2009502718 A JP2009502718 A JP 2009502718A JP 5089679 B2 JP5089679 B2 JP 5089679B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- nozzle
- pressure
- outlet
- fuel injection
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 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
- 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
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)
- Materials For Photolithography (AREA)
Description
Claims (5)
- 内燃機関エンジン用の燃料噴射装置であって、エンジン管理システム(EMS)(20)と、低圧燃料系統(4)に接続される戻り導管(17)と、比較的高圧の燃料を蓄積して噴射器(7)に供給するためのコモンレール(6)とからなり、前記噴射器の各々が、前記エンジンに燃料を噴射するためのノズル(11)と、前記コモンレール(6)と前記ノズル(11)の間に設置される弁(10)と、入口が該弁(10)の出口に、出口が前記戻り導管(17)に接続される逃し弁(12)とを有する燃料噴射装置において、第1自動遮断弁(8)が前記コモンレール(6)と前記噴射器(7)の間に設置され、第2自動遮断弁(18)が前記戻り導管(17)に設置され、前記戻り導管(17)は前記第2自動遮断弁(18)を介して前記低圧燃料系統(4)に接続されることを特徴とする燃料噴射装置。
- 前記戻り導管(17)が多気筒エンジンの一連の噴射器(7)に共通であることを特徴とする請求項1に記載の燃料噴射装置。
- 前記ノズル(11)がスプリング室(16)内の圧力によって該ノズル(11)を閉鎖する方向に付勢されるニードル(14)を有しており、前記逃し弁(12)の出口および絞り(19)の入口に接続される戻り配管(13)が存在し、前記逃し弁(12)の出口は前記戻り配管(13)及び前記絞り(19)を介して前記戻り導管(17)に接続されており、前記スプリング室(16)が前記戻り配管(13)に接続されることを特徴とする請求項1または2に記載の燃料噴射装置。
- 前記EMSによって作動可能で、前記弁(10)の位置を制御するパイロット弁(9)が存在しており、該パイロット弁(9)の出口が前記戻り配管(13)に接続されることを特徴とする請求項3に記載の燃料噴射装置。
- 前記パイロット弁(9)の出口が前記戻り配管(13)を介して前記戻り導管(17)に接続されることを特徴とする請求項4に記載の燃料噴射装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0600725 | 2006-03-30 | ||
SE0600725-6 | 2006-03-30 | ||
PCT/SE2007/000163 WO2007114750A1 (en) | 2006-03-30 | 2007-02-23 | Fuel injection system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009532603A JP2009532603A (ja) | 2009-09-10 |
JP5089679B2 true JP5089679B2 (ja) | 2012-12-05 |
Family
ID=38563932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009502718A Expired - Fee Related JP5089679B2 (ja) | 2006-03-30 | 2007-02-23 | 燃料噴射装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7730876B2 (ja) |
EP (1) | EP2004986B1 (ja) |
JP (1) | JP5089679B2 (ja) |
CN (1) | CN101400886B (ja) |
AT (1) | ATE542046T1 (ja) |
BR (1) | BRPI0709255A2 (ja) |
WO (1) | WO2007114750A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE536105C2 (sv) * | 2008-03-04 | 2013-05-07 | Volvo Lastvagnar Ab | Bränsleinsprutningssystem för en förbränningsmotor och fordon innefattande ett sådant bränsleinsprutningssystem |
WO2013117200A1 (en) * | 2012-02-07 | 2013-08-15 | Volvo Lastvagnar Ab | Fuel injection system |
WO2015043611A1 (en) * | 2013-09-24 | 2015-04-02 | Volvo Truck Corporation | A fuel injection system for an internal combustion engine and a method of controlling fuel injection into an internal combustion engine |
CN104847512B (zh) * | 2014-02-19 | 2019-09-06 | 卡特彼勒公司 | 用于共轨燃料喷射的控制模块 |
US11988179B2 (en) * | 2019-08-29 | 2024-05-21 | Volvo Truck Corporation | Fuel injection system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462368A (en) * | 1980-07-10 | 1984-07-31 | Diesel Kiki Company, Ltd. | Fuel injection system for internal combustion engine |
DE19504849A1 (de) * | 1995-02-15 | 1996-08-22 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE19939425B4 (de) | 1999-08-20 | 2005-05-04 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem für eine Brennkraftmaschine |
DE10063545C1 (de) * | 2000-12-20 | 2002-08-01 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
DE10132732A1 (de) * | 2001-07-05 | 2003-01-23 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
DE10146745A1 (de) * | 2001-09-22 | 2003-04-10 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
DE10157411A1 (de) * | 2001-11-23 | 2003-06-26 | Bosch Gmbh Robert | Injektor zur Hochdruckeinspritzung von Kraftstoff |
DE10205186A1 (de) * | 2002-02-08 | 2003-08-21 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
JP4079063B2 (ja) * | 2003-09-22 | 2008-04-23 | 株式会社デンソー | 内燃機関用燃料噴射装置 |
-
2007
- 2007-02-23 CN CN2007800088059A patent/CN101400886B/zh active Active
- 2007-02-23 JP JP2009502718A patent/JP5089679B2/ja not_active Expired - Fee Related
- 2007-02-23 BR BRPI0709255-5A patent/BRPI0709255A2/pt not_active IP Right Cessation
- 2007-02-23 US US12/280,802 patent/US7730876B2/en active Active
- 2007-02-23 WO PCT/SE2007/000163 patent/WO2007114750A1/en active Application Filing
- 2007-02-23 AT AT07716015T patent/ATE542046T1/de active
- 2007-02-23 EP EP07716015A patent/EP2004986B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
ATE542046T1 (de) | 2012-02-15 |
BRPI0709255A2 (pt) | 2011-06-28 |
CN101400886B (zh) | 2010-09-08 |
US7730876B2 (en) | 2010-06-08 |
JP2009532603A (ja) | 2009-09-10 |
EP2004986A1 (en) | 2008-12-24 |
WO2007114750A1 (en) | 2007-10-11 |
US20090095258A1 (en) | 2009-04-16 |
EP2004986A4 (en) | 2011-02-02 |
EP2004986B1 (en) | 2012-01-18 |
CN101400886A (zh) | 2009-04-01 |
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