JP4447595B2 - 内燃機関の燃料噴射装置 - Google Patents
内燃機関の燃料噴射装置 Download PDFInfo
- Publication number
- JP4447595B2 JP4447595B2 JP2006336994A JP2006336994A JP4447595B2 JP 4447595 B2 JP4447595 B2 JP 4447595B2 JP 2006336994 A JP2006336994 A JP 2006336994A JP 2006336994 A JP2006336994 A JP 2006336994A JP 4447595 B2 JP4447595 B2 JP 4447595B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- port
- fuel injection
- valve
- fuel
- 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
- 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
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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
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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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
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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
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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
- F02M63/0007—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
-
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
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)
Description
Claims (4)
- 少なくとも圧力制御式燃料噴射弁(7)を備え、該燃料噴射弁(7)に2ポート2位置切換弁(6)が前置接続され、該2ポート2位置切換弁(6)が、加圧状態の燃料が存在するレール(3)を、圧力制御式燃料噴射弁(7)に接続ないし断絶する内燃機関の燃料噴射装置において、
2ポート2位置切換弁(6)に3ポート2位置切換弁(4)が流体流れ方向において前置接続され、両切換弁(4、6)は、3ポート2位置切換弁(4)が、その第1切換位置(4.1)でレール(3)を2ポート2位置切換弁(6)に接続し、第2切換位置(4.2)で2ポート2位置切換弁(6)を減圧制御配管(10.2)に接続するように切換え可能であり、この際
2ポート2位置切換弁(6)の開閉により選択的に圧力制御式燃料噴射弁(7)に圧力が作用するか不作用になって該燃料噴射弁(7)が開閉され、この結果、
3ポート2位置切換弁(4)の第1切換位置では、加圧状態にある燃料がレールから燃料導管(10.1、10.3)を通り、3ポート2位置切換弁(4)を経て燃料噴射弁(7)に供給され、そして
3ポート2位置切換弁(4)の第2切換位置では、3ポート2位置切換弁(4)と燃料噴射弁(7)との間の燃料導管(101)内の圧力が、減圧制御配管(202)を介して所望の圧力値に低下され、
2ポート2位置切換弁(6)が開くと燃料が低い圧力で噴射される
ことを特徴とする内燃機関の燃料噴射装置。 - 圧力制御式燃料噴射弁(7)がノズルニードル弁(7.2)を有し、該ノズルニードル弁(7.2)が少なくとも1個のばね要素(7.1)を経て閉鎖位置に保持されることを特徴とする請求項1記載の燃料噴射装置。
- 減圧制御配管(10.2)に少なくとも1個の圧力保持弁(8.1)が配置されたことを特徴とする請求項1又は2記載の燃料噴射装置。
- 減圧制御配管(10.2)に可調整絞り(8.2)が配置されたことを特徴とする請求項1から3の1つに記載の燃料噴射装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005060552A DE102005060552B4 (de) | 2005-12-17 | 2005-12-17 | Einspritzvorrichtung für Brennstoffmotoren |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007162696A JP2007162696A (ja) | 2007-06-28 |
JP4447595B2 true JP4447595B2 (ja) | 2010-04-07 |
Family
ID=37623743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006336994A Expired - Fee Related JP4447595B2 (ja) | 2005-12-17 | 2006-12-14 | 内燃機関の燃料噴射装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4447595B2 (ja) |
KR (1) | KR101231980B1 (ja) |
CN (1) | CN101059110B (ja) |
DE (1) | DE102005060552B4 (ja) |
FI (1) | FI122866B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010031356A1 (de) * | 2010-07-15 | 2012-01-19 | Robert Bosch Gmbh | Hochdruck-Einspritzsystem für Kraftstoff-Verbrennungsmaschinen |
DK177456B1 (en) * | 2011-06-27 | 2013-06-17 | Man Diesel & Turbo Deutschland | A fuel valve for large turbocharged two stroke diesel engines |
DE102015011028A1 (de) * | 2015-08-22 | 2017-02-23 | L'orange Gmbh | Dual-Fuel-Kraftstoffinjektoranordnung |
DE102017121432A1 (de) * | 2017-01-18 | 2018-07-19 | ECO Holding 1 GmbH | Hydraulikmodul zum Steuern eines Hydraulikflüssigkeitsstroms eines Pleuels für eine Brennkraftmaschine mit variabler Verdichtung sowie Pleuel |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3369015B2 (ja) * | 1994-12-15 | 2003-01-20 | 株式会社日本自動車部品総合研究所 | 内燃機関のコモンレール式燃料噴射装置 |
DE4445586A1 (de) * | 1994-12-20 | 1996-06-27 | Bosch Gmbh Robert | Verfahren zur Reduzierung des Kraftstoffdruckes in einer Kraftstoffeinspritzeinrichtung |
DE19744723A1 (de) * | 1997-10-10 | 1999-04-15 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
DE19746490A1 (de) * | 1997-10-22 | 1999-04-29 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage für eine Brennkraftmaschine |
DE19939420B4 (de) * | 1999-08-20 | 2004-12-09 | Robert Bosch Gmbh | Kraftstoffeinspritzverfahren und -system für eine Brennkraftmaschine |
DE19952512A1 (de) * | 1999-10-30 | 2001-05-10 | Bosch Gmbh Robert | Druckverstärker und Kraftstoffeinspritzsystem mit einem Druckverstärker |
ATE285035T1 (de) * | 2000-10-16 | 2005-01-15 | Woodward Governor Co | Kraftstoffeinspritzsystem |
DE10101358A1 (de) * | 2001-01-13 | 2002-07-25 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
-
2005
- 2005-12-17 DE DE102005060552A patent/DE102005060552B4/de not_active Withdrawn - After Issue
-
2006
- 2006-12-14 JP JP2006336994A patent/JP4447595B2/ja not_active Expired - Fee Related
- 2006-12-14 FI FI20061113A patent/FI122866B/fi not_active IP Right Cessation
- 2006-12-15 CN CN2006101309855A patent/CN101059110B/zh not_active Expired - Fee Related
- 2006-12-18 KR KR1020060129301A patent/KR101231980B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN101059110A (zh) | 2007-10-24 |
DE102005060552A1 (de) | 2007-06-21 |
CN101059110B (zh) | 2010-10-20 |
DE102005060552B4 (de) | 2009-06-10 |
JP2007162696A (ja) | 2007-06-28 |
FI122866B (fi) | 2012-08-15 |
FI20061113A (fi) | 2007-06-18 |
KR20070064542A (ko) | 2007-06-21 |
KR101231980B1 (ko) | 2013-02-08 |
FI20061113A0 (fi) | 2006-12-14 |
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