JP2006017106A - 内燃エンジンにおける燃料噴射装置 - Google Patents
内燃エンジンにおける燃料噴射装置 Download PDFInfo
- Publication number
- JP2006017106A JP2006017106A JP2005118437A JP2005118437A JP2006017106A JP 2006017106 A JP2006017106 A JP 2006017106A JP 2005118437 A JP2005118437 A JP 2005118437A JP 2005118437 A JP2005118437 A JP 2005118437A JP 2006017106 A JP2006017106 A JP 2006017106A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- injection device
- fuel injection
- pressure
- storage
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 156
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims description 83
- 239000007924 injection Substances 0.000 claims description 83
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 8
- 231100000719 pollutant Toxicity 0.000 abstract description 8
- 230000007704 transition Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- 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
- F02M63/0275—Arrangement of common rails
- F02M63/0285—Arrangement of common rails having more than one common rail
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—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
- 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
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
- F02M63/008—Hollow valve members, e.g. members internally guided
-
- 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
- F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
- F02M2547/003—Valve inserts containing control chamber and valve piston
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)
Abstract
【解決手段】内燃エンジンの燃料噴射装置であって、ストレージ部へ高圧の燃料を供給するための圧縮手段と、前記ストレージ部から高圧の燃料を給入し、前記エンジンの対応する燃焼室へ噴射するための、前記ストレージ部に流体接続された複数のインジェクタとで構成され、前記圧縮手段が、前記ストレージ部の対応する分支部に接続されている個別の供給管を備える。
【選択図】図1
Description
−中空本体21''に2つの分岐部36と36''を設けて、それぞれの内部の対応する両端に1組のストレージ室33a''と33b''を形成する。
−前記制御室59を拡大する。
−その制御室59を管路39、40、39''、40''およびストレージ室33a''と33b''に連通させる。
Claims (9)
- 内燃エンジン(2)の燃料噴射装置(1、1'、1'')であって、ストレージ部(7)へ高圧の燃料を供給するための圧縮手段(4)と、前記ストレージ部(7)から高圧の燃料を給入し、前記エンジン(2)の対応する燃焼室(12)へ噴射するための、前記ストレージ部(7)に流体接続された少なくとも2つのインジェクタ(8、8''')とからなり、前記圧縮手段(4)が、前記ストレージ部(7)の対応する個別の分支部(16)に燃料を供給する少なくとも2つの個別の供給管(14)を備えることを特徴とする燃料噴射装置。
- 前記ストレージ部(7)が、順番に流体接続されている少なくとも2つの個別のストレージ部(9'、9'')に分割されていることを特徴とする請求項1記載の燃料噴射装置。
- 前記個別のストレージ部(9')のそれぞれが、前記インジェクタ(8)の外部に設置されることを特徴とする請求項2記載の燃料噴射装置。
- 前記個別ストレージ部(9')のそれぞれが、燃料を供給する給入部(10a')と、前記対応するインジェクタ(8)へ燃料を供給するための第1の送出部(10c')と、燃料を負荷に供給するための第2の送出部(10b')とからなることを特徴とする請求項3記載の燃料噴射装置。
- 前記個別ストレージ部(9'')のそれぞれが、前記対応するインジェクタ(8'')の内部に設置されることを特徴とする請求項2記載の燃料噴射装置。
- 前記インジェクタ(8'')のそれぞれが、燃料を供給する給入部(37)と、前記エンジン(2)の対応する燃焼室(12)へ燃料を供給するための送出部(26)と、収容タンク(3)へ燃料を戻すための排出部(53)と、前記対応する個別ストレージ部(9'')を経由して前記給入部(37)に流体接続された、負荷のための別の給入部(37'')とからなることを特徴とする請求項5記載の燃料噴射装置。
- 前記各インジェクタ(8'')の給入部(37)が、前記圧縮手段(4)の対応する供給管(14)から燃料が供給され、かつ、前記複数のインジェクタ(8'')の給入部(37'')が順番に流体接続されていることを特徴とする請求項6記載の燃料噴射装置。
- さらに、前記燃料の収容タンク(3)と、前記ストレージ部(7)を前記タンク(3)に接続する戻り管(17)と、前記戻り管(17)と直列に流体接続され、前記ストレージ部(7)内の圧力を調整するための圧力調整手段(19)とからなり、前記圧力調整手段(19)が、前記ストレージ部(7)から燃料を連続供給できるように、前記ストレージ部(7)の下流側に流体接続されていることを特徴とする請求項1、2、3、4、5、6または7記載の燃料噴射装置。
- 内燃エンジンにおける燃料噴射装置内のポンプ(6)であって、作動流体の圧力を上げるため駆動可能な少なくとも2個のポンプ機構(P1、P2)とからなり、それらポンプ機構(P1、P2)が、対応する負荷(8)に燃料を供給するそれぞれ個別の供給管(14)を備えることを特徴とするポンプ(6)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04425473A EP1612401B1 (en) | 2004-06-30 | 2004-06-30 | An injection system for an internal combustion engine |
EP04425473.8 | 2004-06-30 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010002372A Division JP2010101327A (ja) | 2004-06-30 | 2010-01-07 | 内燃エンジンにおける燃料噴射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006017106A true JP2006017106A (ja) | 2006-01-19 |
JP4718885B2 JP4718885B2 (ja) | 2011-07-06 |
Family
ID=34932591
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005118437A Active JP4718885B2 (ja) | 2004-06-30 | 2005-04-15 | 内燃エンジンにおける燃料噴射装置 |
JP2010002372A Withdrawn JP2010101327A (ja) | 2004-06-30 | 2010-01-07 | 内燃エンジンにおける燃料噴射装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010002372A Withdrawn JP2010101327A (ja) | 2004-06-30 | 2010-01-07 | 内燃エンジンにおける燃料噴射装置 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7305968B2 (ja) |
EP (1) | EP1612401B1 (ja) |
JP (2) | JP4718885B2 (ja) |
AT (1) | ATE413527T1 (ja) |
DE (1) | DE602004017592D1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004055266A1 (de) * | 2004-11-17 | 2006-05-18 | Robert Bosch Gmbh | Kraftstoffeinspritzanlage mit mehreren Druckspeichern |
DE102006039265A1 (de) * | 2006-08-22 | 2008-02-28 | Volkswagen Ag | Kraftstoffeinspritzvorrichtung |
DE102007025617A1 (de) * | 2007-06-01 | 2008-12-04 | Robert Bosch Gmbh | Kraftstoffinjektor mit geringem Verschleiß |
DE102007039893B4 (de) * | 2007-08-23 | 2013-05-08 | Continental Automotive Gmbh | Einspritzanlage für eine Brennkraftmaschine |
DE102008000702A1 (de) * | 2008-03-17 | 2009-09-24 | Robert Bosch Gmbh | Injektor |
DE102008002146A1 (de) * | 2008-06-02 | 2009-12-03 | Robert Bosch Gmbh | Kraftstoffinjektor mit Sitzlochdüse |
EP2383454A1 (en) | 2010-04-27 | 2011-11-02 | C.R.F. Società Consortile per Azioni | Fuel injection rate shaping in an internal combustion engine |
US20110297125A1 (en) * | 2010-06-03 | 2011-12-08 | Caterpillar Inc. | Reverse Flow Check Valve For Common Rail Fuel System |
FI20115126L (fi) | 2011-02-09 | 2012-08-10 | Waertsilae Finland Oy | Polttoaineen ruiskutusjärjestelmä |
JP5218583B2 (ja) * | 2011-03-09 | 2013-06-26 | 株式会社デンソー | インジェクタ |
US8789513B2 (en) * | 2011-09-26 | 2014-07-29 | Hitachi, Ltd | Fuel delivery system |
WO2013182213A1 (en) * | 2012-06-05 | 2013-12-12 | Caterpillar Motoren Gmbh & Co. Kg | Fuel guiding component |
GB201320374D0 (en) * | 2013-07-05 | 2014-01-01 | Delphi Tech Holding Sarl | Distributed fuel injection equipment |
GB2536250B (en) * | 2015-03-10 | 2018-06-06 | Jaguar Land Rover Ltd | Clutch control for providing an indication to a driver |
JP7102755B2 (ja) * | 2018-02-02 | 2022-07-20 | マツダ株式会社 | エンジンの燃料供給装置 |
CN110206668B (zh) * | 2019-04-19 | 2022-12-16 | 浙江派尼尔科技股份有限公司 | 一种适合v6发动机空气数字化增压和调节的智能油轨 |
US10895233B2 (en) * | 2019-05-16 | 2021-01-19 | Caterpillar Inc. | Fuel system having fixed geometry flow regulating valve for limiting injector cross talk |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709679A (en) * | 1985-03-25 | 1987-12-01 | Stanadyne, Inc. | Modular accumulator injector |
JP3303449B2 (ja) * | 1993-08-09 | 2002-07-22 | 株式会社デンソー | 蓄圧式燃料噴射装置 |
DE4335171C1 (de) * | 1993-10-15 | 1995-05-04 | Daimler Benz Ag | Kraftstoffeinspritzanlage für eine mehrzylindrige Dieselbrennkraftmaschine |
GB9422864D0 (en) * | 1994-11-12 | 1995-01-04 | Lucas Ind Plc | Fuel system |
DE19640826B4 (de) * | 1995-10-03 | 2004-11-25 | Nippon Soken, Inc., Nishio | Speicherkraftstoffeinspritzvorrichtung und Druckregelvorrichtung hierfür |
FI107831B (fi) * | 1998-05-20 | 2001-10-15 | Waertsilae Tech Oy Ab | Polttoaineensyöttöjärjestelmä |
JP4088738B2 (ja) | 1998-12-25 | 2008-05-21 | 株式会社デンソー | 燃料噴射ポンプ |
US6142127A (en) * | 1999-01-25 | 2000-11-07 | Siemens Automotive Corporation | Restriction structure for reducing gas formation in a high pressure fuel return line |
JP2001207927A (ja) * | 2000-01-26 | 2001-08-03 | Mitsubishi Electric Corp | 燃料供給装置 |
DE10061987B4 (de) * | 2000-12-13 | 2005-06-16 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Kühlen einer Kraftstoffeinspritzanlage |
DE10210282A1 (de) * | 2002-03-08 | 2003-09-25 | Bosch Gmbh Robert | Vorrichtung zum Einspritzen von Kraftstoff an stationären Verbrennungskraftmaschinen |
DE10220281A1 (de) | 2002-05-07 | 2003-11-27 | Bosch Gmbh Robert | Kraftstoffpumpe, insbesondere für eine Brennkraftmaschine mit Direkteinspritzung |
JP2004308512A (ja) * | 2003-04-04 | 2004-11-04 | Komatsu Ltd | エンジン用燃料噴射管の配管構造 |
US6832599B2 (en) * | 2003-04-14 | 2004-12-21 | Caterpillar Inc | Fuel system for an internal combustion engine |
-
2004
- 2004-06-30 EP EP04425473A patent/EP1612401B1/en not_active Expired - Lifetime
- 2004-06-30 DE DE602004017592T patent/DE602004017592D1/de not_active Expired - Lifetime
- 2004-06-30 AT AT04425473T patent/ATE413527T1/de not_active IP Right Cessation
-
2005
- 2005-04-04 US US11/097,123 patent/US7305968B2/en active Active
- 2005-04-15 JP JP2005118437A patent/JP4718885B2/ja active Active
-
2007
- 2007-11-09 US US11/937,625 patent/US7509943B2/en active Active
-
2010
- 2010-01-07 JP JP2010002372A patent/JP2010101327A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20080066719A1 (en) | 2008-03-20 |
EP1612401A1 (en) | 2006-01-04 |
US20060000450A1 (en) | 2006-01-05 |
US7305968B2 (en) | 2007-12-11 |
JP2010101327A (ja) | 2010-05-06 |
EP1612401B1 (en) | 2008-11-05 |
JP4718885B2 (ja) | 2011-07-06 |
US7509943B2 (en) | 2009-03-31 |
ATE413527T1 (de) | 2008-11-15 |
DE602004017592D1 (de) | 2008-12-18 |
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