JP2009539025A - 燃料噴射器制御システム - Google Patents
燃料噴射器制御システム Download PDFInfo
- Publication number
- JP2009539025A JP2009539025A JP2009513137A JP2009513137A JP2009539025A JP 2009539025 A JP2009539025 A JP 2009539025A JP 2009513137 A JP2009513137 A JP 2009513137A JP 2009513137 A JP2009513137 A JP 2009513137A JP 2009539025 A JP2009539025 A JP 2009539025A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- chamber
- piston
- check valve
- control
- 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 160
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 19
- 239000007924 injection Substances 0.000 description 19
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000003321 amplification Effects 0.000 description 8
- 238000003199 nucleic acid amplification method Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer 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
- 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
- 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
- F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
- F02M63/0035—Poppet valves, i.e. having a mushroom-shaped valve member that moves perpendicularly to the plane of the valve seat
-
- 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
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
- F02M2200/705—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion
- F02M2200/706—Valves for filling or emptying hydraulic chamber
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
Description
Claims (10)
- 燃料噴射器(32)用の制御システムであって、
少なくとも1つのオリフィス(80)を有するノズル部材(56)と、
基端と先端とを有するニードルチェック弁(58)であって、少なくとも1つのオリフィスを開閉するためにノズル部材内に往復運動するように配置されるニードルチェック弁(58)と、
ニードルチェック弁の基端に配置された制御室(106)と、
選択的に制御室から流体を排出しかつ制御室に流体を充填するように可動な制御弁(120)と、
噴射器本体(52)と、
噴射器本体内に配置され、かつ制御弁を移動させるために制御弁に動作可能に接続された第1のピストン(118)と、
接続室(123)を形成するように第1のピストンからある距離をもって噴射器本体内に配置された第2のピストン(116)と、
接続室に選択的に燃料を補給するために接続室と関連する部分球チェック弁(119)と、
を備える制御システム。 - 部分球チェック弁が、燃料の一方向の流れのみを許容する請求項1に記載の制御システム。
- 第2のピストンを移動させるために機械的に接続された圧電装置(59)をさらに含み、圧電装置の伸長により、第2のピストンが移動して接続室を加圧し、制御室から流体を排出する第1のピストンの移動が生じる請求項1に記載の制御システム。
- 部分球チェック弁が、第1のピストンの燃料通路(130)内に配置されたガイド要素(138)を含み、
燃料通路が制御室と選択的に連通する請求項2に記載の制御システム。 - 部分球チェック弁が、燃料通路を介した接続室からの燃料の流れを選択的に遮断するように構成される請求項4に記載の制御システム。
- 部分球チェック弁は、燃料圧力および重力のみによって作動する請求項1に記載の制御システム。
- エンジン(10)の燃焼室(22)内に燃料を噴射する方法であって、
燃料噴射器の動作中、加圧燃料を燃料噴射器(32)の先端(64)に常に導くステップと、
燃料噴射器の動作中、加圧燃料を燃料噴射器の第1の室(106)に常に導くステップと、
燃料噴射器の第2の室(123)の容積を減少させて、第2の室内の燃料を加圧するステップであって、第2の室内の燃料の加圧により、第1の室内の圧力の減少が生じ、それに続いて、燃焼室内へ燃料が噴射されるステップと、
燃料を第1の室から第2の室に導くステップと、
燃料が第2の室から第1の室に流れることを防止するステップと、
を含む方法。 - 燃料が第2の室から流れることを防止するステップが、部分球チェック弁(119)によって第1の室と第2の室との間の通路(130)を選択的に遮断するステップを含む請求項7に記載の方法。
- 通路の軸方向に沿って部分球チェック弁の移動を案内するステップをさらに含む請求項8に記載の方法。
- 燃焼エンジン(10)であって、
少なくとも1つのシリンダ(16)と、
燃焼室(22)を形成するために少なくとも1つのシリンダと関連するピストン(18)と、
高圧燃料源(30)と、
燃料を燃焼室内に選択的に噴霧するように構成された請求項1〜6のいずれか1項に記載の燃料噴射器制御システムと、
を備える燃焼エンジン(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/443,315 US7506825B2 (en) | 2006-05-31 | 2006-05-31 | Fuel injector control system |
US11/443,315 | 2006-05-31 | ||
PCT/US2007/008496 WO2007139620A1 (en) | 2006-05-31 | 2007-04-04 | Fuel injector control system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009539025A true JP2009539025A (ja) | 2009-11-12 |
JP5386349B2 JP5386349B2 (ja) | 2014-01-15 |
Family
ID=38474284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009513137A Expired - Fee Related JP5386349B2 (ja) | 2006-05-31 | 2007-04-04 | 燃料噴射器制御システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US7506825B2 (ja) |
JP (1) | JP5386349B2 (ja) |
CN (1) | CN101484686B (ja) |
DE (1) | DE112007001317T5 (ja) |
WO (1) | WO2007139620A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019183718A (ja) * | 2018-04-06 | 2019-10-24 | 株式会社デンソー | 燃料噴射弁 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110265737A1 (en) * | 2008-08-04 | 2011-11-03 | Robert Ryon | Methods and devices for fuel reformation |
DE102008055178A1 (de) * | 2008-12-30 | 2010-07-01 | Robert Bosch Gmbh | Kraftstoff-Injktor mit piezoelektrischem Aktuator |
US8505514B2 (en) * | 2010-03-09 | 2013-08-13 | Caterpillar Inc. | Fluid injector with auxiliary filling orifice |
US9284930B2 (en) | 2011-06-03 | 2016-03-15 | Michael R. Harwood | High pressure piezoelectric fuel injector |
US8844842B2 (en) * | 2011-08-12 | 2014-09-30 | Caterpillar Inc. | Three-way needle control valve and dual fuel injection system using same |
EP2568157A1 (en) * | 2011-09-08 | 2013-03-13 | Delphi Technologies Holding S.à.r.l. | Injection Nozzle |
HUE025046T2 (en) * | 2012-04-05 | 2016-01-28 | Delphi Int Operations Luxembourg Sarl | valve Assembly |
GB201506070D0 (en) * | 2015-04-10 | 2015-05-27 | Hartridge Ltd | Flow meter |
DE102016223838A1 (de) * | 2016-11-30 | 2018-05-30 | Robert Bosch Gmbh | Leckageprüfvorrichtung einer Tankanordnung |
CN113353476B (zh) * | 2021-06-09 | 2022-04-15 | 中车太原机车车辆有限公司 | 一种适用于粉末罐式集装箱的补排气装置和集装箱 |
US11933257B2 (en) * | 2022-03-18 | 2024-03-19 | Caterpillar Inc. | Fuel injector lift control |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5779149A (en) * | 1996-07-02 | 1998-07-14 | Siemens Automotive Corporation | Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke |
JP2001041125A (ja) * | 1999-08-02 | 2001-02-13 | Denso Corp | ピエゾインジェクタ |
US20020117560A1 (en) * | 2000-12-28 | 2002-08-29 | Toshihiko Igashira | Hydraulic control valve and fuel injector using same |
JP2003286920A (ja) * | 2002-03-28 | 2003-10-10 | Denso Corp | 燃料供給システム |
JP2004068727A (ja) * | 2002-08-07 | 2004-03-04 | Toyota Motor Corp | 燃料噴射装置 |
JP2005054618A (ja) * | 2003-08-08 | 2005-03-03 | Toyota Motor Corp | 流体制御弁及び燃料噴射弁 |
JP2005325725A (ja) * | 2004-05-13 | 2005-11-24 | Denso Corp | 油圧伝達装置および燃料噴射装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501099A (en) * | 1967-09-27 | 1970-03-17 | Physics Int Co | Electromechanical actuator having an active element of electroexpansive material |
US5165653A (en) * | 1991-08-22 | 1992-11-24 | Caterpillar Inc. | Pressure equalization valve for a hydraulic system |
US5417142A (en) * | 1992-12-18 | 1995-05-23 | Caterpillar Inc. | Hydraulic amplifier |
US5775599A (en) * | 1996-06-12 | 1998-07-07 | Impco Technologies, Inc. | Gaseous fuel injector for internal combustion engine |
DE19732802A1 (de) * | 1997-07-30 | 1999-02-04 | Bosch Gmbh Robert | Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen |
IT1295462B1 (it) * | 1997-10-02 | 1999-05-12 | Elasis Sistema Ricerca Fiat | Iniettore di combustibile a comando elettromagnetico per motori a combustione interna. |
DE19826719A1 (de) | 1998-06-16 | 1999-12-23 | Bosch Gmbh Robert | Ventilsteuereinheit für ein Kraftstoffeinspritzventil |
DE10019765B4 (de) * | 2000-04-20 | 2004-12-09 | Robert Bosch Gmbh | Ventil zum Steuern von Flüssigkeiten |
DE10032022B4 (de) * | 2000-07-01 | 2009-12-24 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Ansteuerspannung für ein Einspritzentil mit einem piezoelektrischen Aktor |
JP4161635B2 (ja) * | 2002-08-19 | 2008-10-08 | 株式会社デンソー | 燃料噴射制御装置 |
-
2006
- 2006-05-31 US US11/443,315 patent/US7506825B2/en not_active Expired - Fee Related
-
2007
- 2007-04-04 WO PCT/US2007/008496 patent/WO2007139620A1/en active Application Filing
- 2007-04-04 CN CN2007800249281A patent/CN101484686B/zh not_active Expired - Fee Related
- 2007-04-04 JP JP2009513137A patent/JP5386349B2/ja not_active Expired - Fee Related
- 2007-04-04 DE DE112007001317T patent/DE112007001317T5/de not_active Ceased
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5779149A (en) * | 1996-07-02 | 1998-07-14 | Siemens Automotive Corporation | Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke |
JP2001041125A (ja) * | 1999-08-02 | 2001-02-13 | Denso Corp | ピエゾインジェクタ |
US20020117560A1 (en) * | 2000-12-28 | 2002-08-29 | Toshihiko Igashira | Hydraulic control valve and fuel injector using same |
JP2003286920A (ja) * | 2002-03-28 | 2003-10-10 | Denso Corp | 燃料供給システム |
JP2004068727A (ja) * | 2002-08-07 | 2004-03-04 | Toyota Motor Corp | 燃料噴射装置 |
JP2005054618A (ja) * | 2003-08-08 | 2005-03-03 | Toyota Motor Corp | 流体制御弁及び燃料噴射弁 |
JP2005325725A (ja) * | 2004-05-13 | 2005-11-24 | Denso Corp | 油圧伝達装置および燃料噴射装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019183718A (ja) * | 2018-04-06 | 2019-10-24 | 株式会社デンソー | 燃料噴射弁 |
JP7024567B2 (ja) | 2018-04-06 | 2022-02-24 | 株式会社デンソー | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
CN101484686B (zh) | 2012-07-11 |
CN101484686A (zh) | 2009-07-15 |
US7506825B2 (en) | 2009-03-24 |
DE112007001317T5 (de) | 2009-04-23 |
WO2007139620A1 (en) | 2007-12-06 |
JP5386349B2 (ja) | 2014-01-15 |
US20070277784A1 (en) | 2007-12-06 |
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