JP2001500218A - 燃料噴射装置 - Google Patents
燃料噴射装置Info
- Publication number
- JP2001500218A JP2001500218A JP11507954A JP50795499A JP2001500218A JP 2001500218 A JP2001500218 A JP 2001500218A JP 11507954 A JP11507954 A JP 11507954A JP 50795499 A JP50795499 A JP 50795499A JP 2001500218 A JP2001500218 A JP 2001500218A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel
- pressure
- chamber
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 73
- 238000002347 injection Methods 0.000 title claims abstract description 73
- 239000007924 injection Substances 0.000 title claims abstract description 73
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 230000005284 excitation Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F02M63/0012—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
- 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
-
- 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
- F02M45/08—Injectors peculiar thereto
-
- 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
- F02M63/0014—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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 内燃機関のための燃料噴射装置であって、燃料高圧源(5,8)が設けら れており、該燃料高圧源に、燃料噴射弁(14)が接続されており、該燃料噴射 弁が、噴射開口(25)を制御するための噴射弁部材(21)と、制御室(36 )とを有しており、該制御室が可動の壁(34)によって仕切られており、該壁 が、燃料噴射弁部材(21)に少なくとも間接的に結合されており、さらに燃料 噴射装置に流入通路(53)が設けられており、該流入通路を介して、高圧源( 8)、有利には燃料高圧源が制御室(36)に接続可能であり、さらに燃料噴射 装置に流出通路(57)が設けられており、該流出通路を介して、制御室(36 )が放圧室(6)に接続可能であり、制御室と高圧源(8)との前記接続および 制御室と放圧室(6)との前記接続が弁(40)を介して制御可能であり、該弁 が、閉鎖体(42)を備えた弁部材(43)を有しており、この閉鎖体が2つの 弁座(54,55)に対して同軸的に弁室(41)内で移動可能に配置されてお り、該弁室が、通路(37)を介して常に制御室(36)に接続されており、さ らに、弁部材(43)が電気的に作動可能な駆動装置(59)によって運動させ られるプランジャ(45)を有しており、該プランジャによ って、閉鎖体(42)が両弁座(54,55)の間で運動させられるようになっ ており、一方の弁座(54)に対して同軸的に続いて設けられたガイド孔(50 )内で案内されており、弁座(54)と、プランジャ(45,48)と、ガイド 孔(50)との間で、弁のケーシング(19)内に貫流通路(51)が形成され ており、該貫流通路が流出通路または流入通路に接続されており、他方の弁座( 55)に境を接して流入通路または流出通路が同軸的に引き続き案内されていて 、これらの通路の少なくとも一方に、貫流を制御する絞り(58,60)が配置 されている形式のものにおいて、 プランジャ(45)の駆動装置(59)として、ピエゾエレメントまたは磁 歪エレメントが設けられており、該エレメントの励起が、弁体(42)が一方ま たは他方の弁座(54,55)が全開もしくは全閉させられるような位置を占め るか、または制御作用を及ぼすように両弁座(54,55)が開いているような 中間位置を占めるように制御可能であり、この中間位置で制御室(36)が部分 放圧させられて、該部分放圧により、噴射弁部材(21)が部分開放位置に動か されるようになっていることを特徴とする、燃料噴射装置。 2. プランジャが閉鎖体に不動に結合されている、請求項1記載の燃料噴射装 置。 3. 流入通路(53)にも流出通路(57)にもそれぞれ1つの絞り(60, 58)が配置されている、請求項1記載の燃料噴射装置。 4. 流入通路(53)がプランジャ(45)の側で弁室(41)内に開口して いる、請求項1記載の燃料噴射装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19729844A DE19729844A1 (de) | 1997-07-11 | 1997-07-11 | Kraftstoffeinspritzvorrichtung |
DE19729844.3 | 1997-07-11 | ||
PCT/DE1998/000700 WO1999002849A1 (de) | 1997-07-11 | 1998-03-10 | Kraftstoffeinspritzvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001500218A true JP2001500218A (ja) | 2001-01-09 |
JP4024314B2 JP4024314B2 (ja) | 2007-12-19 |
Family
ID=7835459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50795499A Expired - Fee Related JP4024314B2 (ja) | 1997-07-11 | 1998-03-10 | 燃料噴射装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6196193B1 (ja) |
EP (1) | EP0925440B1 (ja) |
JP (1) | JP4024314B2 (ja) |
KR (1) | KR100561791B1 (ja) |
DE (2) | DE19729844A1 (ja) |
WO (1) | WO1999002849A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1614893A1 (en) | 2004-07-06 | 2006-01-11 | Denso Corporation | Common-rail injector |
EP1865190A1 (en) | 2006-06-08 | 2007-12-12 | Denso Corporation | Fuel injection valve |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19939451A1 (de) * | 1999-08-20 | 2000-11-02 | Bosch Gmbh Robert | Aggregat zur Einspritzung von Kraftstoff |
DE19939443A1 (de) * | 1999-08-20 | 2001-03-01 | Bosch Gmbh Robert | Vorrichtung zur Steuerung des Druckverlaufs einer Pumpeneinheit |
DE19939447A1 (de) * | 1999-08-20 | 2000-11-23 | Bosch Gmbh Robert | Einrichtung zur Einspritzung von Kraftstoff |
DE19939452C2 (de) * | 1999-08-20 | 2003-04-17 | Bosch Gmbh Robert | Vorrichtung zur Einspritzung von Kraftstoff |
EP1224392B1 (de) * | 1999-10-16 | 2005-08-31 | Robert Bosch Gmbh | Verfahren und vorrichtung zur steuerung der kraftstoffzumessung in eine brennkraftmaschine |
DE10038995A1 (de) * | 1999-10-16 | 2001-04-19 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung der Kraftstoffzumessung in einer Brennkraftmaschine |
DE10002722A1 (de) * | 2000-01-22 | 2001-08-02 | Bosch Gmbh Robert | Ventil zum Steuern von Flüssigkeiten |
DE60018549T2 (de) | 2000-04-01 | 2006-04-20 | Robert Bosch Gmbh | Brennstoffeinspritzanlage |
EP1139445A1 (en) | 2000-04-01 | 2001-10-04 | Robert Bosch GmbH | Method and apparatus for diagnosing a fault in a system utilizing a piezoelectric element |
DE60039676D1 (de) | 2000-04-01 | 2008-09-11 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Erkennung eines Kurzschlusses zur Batteriespannung während der Ansteuerung piezoelektrischer Elemente |
EP1138912A1 (en) | 2000-04-01 | 2001-10-04 | Robert Bosch GmbH | Online optimization of injection systems having piezoelectric elements |
EP1138920B1 (en) * | 2000-04-01 | 2004-11-17 | Robert Bosch GmbH | Control method and control apparatus for a multiple-acting valve within a fuel injection system |
EP1138913A1 (en) | 2000-04-01 | 2001-10-04 | Robert Bosch GmbH | Method and apparatus for charging a piezoelectric element based on measured charge/discharge times |
DE60023446T2 (de) | 2000-04-01 | 2006-05-18 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Bestimmung der Ladungsquantität während des Auf- und Entladens von piezoelektrischen Elementen |
EP1138914B1 (en) | 2000-04-01 | 2005-03-02 | Robert Bosch GmbH | Determining the piezoelectric element temperature using a model of the energy balance of the piezoelectric element |
EP1138911B1 (en) | 2000-04-01 | 2003-07-09 | Robert Bosch GmbH | Method and apparatus for charging a piezoelectric element |
DE60023265T2 (de) | 2000-04-01 | 2006-05-24 | Robert Bosch Gmbh | Steuerung einer Einspritzanlage mit piezoelektrischen Elementen |
EP1138907B1 (en) | 2000-04-01 | 2006-10-04 | Robert Bosch GmbH | Fuel injection system |
EP1138906B1 (en) | 2000-04-01 | 2003-10-08 | Robert Bosch GmbH | Optimization of injection systems having piezoelectric elements by compensating for temperature dependence |
EP1138902B1 (en) | 2000-04-01 | 2005-04-06 | Robert Bosch GmbH | Method and apparatus for timed measurement of the voltage across a device in the charging circuit of a piezoelectric element |
EP1139447A1 (en) | 2000-04-01 | 2001-10-04 | Robert Bosch GmbH | Method and apparatus for determining a frequency compensated capacitance of piezoelectric elements |
EP1139449A1 (en) | 2000-04-01 | 2001-10-04 | ROBERT BOSCH GmbH | Fuel injection system |
EP1143133B1 (en) | 2000-04-01 | 2004-01-21 | Robert Bosch GmbH | Compensation of batch variation in the travel due to variations in the layer thickness or number of layers in multi-layer piezoelectric elements |
EP1138910B1 (en) | 2000-04-01 | 2005-03-23 | Robert Bosch GmbH | Control of the polarization of piezoelectric elements before each first injection to achieve optimized starting conditions |
ATE446590T1 (de) | 2000-04-01 | 2009-11-15 | Bosch Gmbh Robert | Verfahren und vorrichtung zur regelung von spannungen und spannungsgradienten zum antrieb eines piezoelektrischen elements |
EP1138903B1 (en) * | 2000-04-01 | 2004-05-26 | Robert Bosch GmbH | Time- and event-controlled activation system for charging and discharging piezoelectric elements |
DE60019262T2 (de) * | 2000-04-01 | 2006-01-19 | Robert Bosch Gmbh | Brennstoffeinspritzanlage |
EP1138905B1 (en) | 2000-04-01 | 2004-07-07 | Robert Bosch GmbH | Apparatus and method for detecting a load decrease when driving piezoelectric elements |
DE10016476A1 (de) * | 2000-04-01 | 2001-12-06 | Bosch Gmbh Robert | Verfahren zur Diagnose der Spannungsansteuerung für einen piezoelektrischen Aktor eines Einspritzventils |
DE60041807D1 (de) | 2000-04-01 | 2009-04-30 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Regulierung von Systemparametern |
EP1138918B1 (en) | 2000-04-01 | 2005-11-09 | Robert Bosch GmbH | Method and apparatus for providing control parameters to or within a control system |
DE60022619T2 (de) | 2000-04-01 | 2006-03-16 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Laden eines piezoelektrischen Elements |
DE10032022B4 (de) * | 2000-07-01 | 2009-12-24 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Ansteuerspannung für ein Einspritzentil mit einem piezoelektrischen Aktor |
JP3829604B2 (ja) * | 2000-08-30 | 2006-10-04 | トヨタ自動車株式会社 | 燃料噴射装置 |
DE10101797A1 (de) * | 2001-01-17 | 2002-07-18 | Bosch Gmbh Robert | Einspritzventil |
DE10131640A1 (de) * | 2001-06-29 | 2003-01-16 | Bosch Gmbh Robert | Kraftstoffinjektor mit Einspritzverlaufsformung durch schaltbare Drosselelemente |
DE10146739A1 (de) * | 2001-09-22 | 2003-04-10 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
US6598591B2 (en) * | 2001-12-18 | 2003-07-29 | Caterpillar Inc | Measuring check motion through pressure sensing |
DE10212396A1 (de) * | 2002-03-20 | 2003-10-09 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung mit 3/2-Wege-Ventil |
JP2008002306A (ja) * | 2006-06-21 | 2008-01-10 | Denso Corp | 燃料噴射弁 |
US9920674B2 (en) | 2014-01-09 | 2018-03-20 | Cummins Inc. | Variable spray angle injector arrangement |
US9897033B2 (en) | 2014-05-15 | 2018-02-20 | Cummins Inc. | High pressure, high speed regulating switch valve |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4465231A (en) * | 1982-03-29 | 1984-08-14 | Deere & Company | Control device and method for activating a fuel injector nozzle |
DE4117809A1 (de) * | 1991-05-31 | 1992-12-03 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen und verfahren zur kraftstoffeinspritzung |
US5282574A (en) * | 1991-12-19 | 1994-02-01 | Caterpillar Inc. | Hydraulic flow shutoff device for a unit fuel pump/injector |
CH686845A5 (de) * | 1993-03-08 | 1996-07-15 | Ganser Hydromag | Steueranordnung fuer ein Einspritzventil fuer Verbrennungskraftmaschinen. |
DE4406901C2 (de) | 1994-03-03 | 1998-03-19 | Daimler Benz Ag | Magnetventilgesteuerter Injektor für eine Brennkraftmaschine |
DE4434892A1 (de) * | 1994-09-29 | 1996-04-11 | Siemens Ag | Einspritzventil |
US5779149A (en) * | 1996-07-02 | 1998-07-14 | Siemens Automotive Corporation | Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke |
DE29708369U1 (de) * | 1997-05-09 | 1997-07-10 | Fev Motorentech Gmbh & Co Kg | Steuerbares Einspritzventil für die Kraftstoffeinspritzung an Brennkraftmaschinen |
-
1997
- 1997-07-11 DE DE19729844A patent/DE19729844A1/de not_active Withdrawn
-
1998
- 1998-03-10 WO PCT/DE1998/000700 patent/WO1999002849A1/de active IP Right Grant
- 1998-03-10 JP JP50795499A patent/JP4024314B2/ja not_active Expired - Fee Related
- 1998-03-10 KR KR1019997002010A patent/KR100561791B1/ko not_active IP Right Cessation
- 1998-03-10 DE DE59804498T patent/DE59804498D1/de not_active Expired - Lifetime
- 1998-03-10 EP EP98921342A patent/EP0925440B1/de not_active Expired - Lifetime
- 1998-03-10 US US09/254,632 patent/US6196193B1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1614893A1 (en) | 2004-07-06 | 2006-01-11 | Denso Corporation | Common-rail injector |
EP1865190A1 (en) | 2006-06-08 | 2007-12-12 | Denso Corporation | Fuel injection valve |
JP2008014296A (ja) * | 2006-06-08 | 2008-01-24 | Denso Corp | 燃料噴射弁 |
US7651039B2 (en) | 2006-06-08 | 2010-01-26 | Denso Corporation | Fuel injection valve |
Also Published As
Publication number | Publication date |
---|---|
KR20000068531A (ko) | 2000-11-25 |
WO1999002849A1 (de) | 1999-01-21 |
DE19729844A1 (de) | 1999-01-14 |
DE59804498D1 (de) | 2002-07-25 |
EP0925440B1 (de) | 2002-06-19 |
JP4024314B2 (ja) | 2007-12-19 |
KR100561791B1 (ko) | 2006-03-21 |
EP0925440A1 (de) | 1999-06-30 |
US6196193B1 (en) | 2001-03-06 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |