KR100850594B1 - 내연기관용 분사 노즐 - Google Patents

내연기관용 분사 노즐 Download PDF

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Publication number
KR100850594B1
KR100850594B1 KR1020077004939A KR20077004939A KR100850594B1 KR 100850594 B1 KR100850594 B1 KR 100850594B1 KR 1020077004939 A KR1020077004939 A KR 1020077004939A KR 20077004939 A KR20077004939 A KR 20077004939A KR 100850594 B1 KR100850594 B1 KR 100850594B1
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KR
South Korea
Prior art keywords
valve
fuel
valve needle
injection nozzle
lubricating oil
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 - Lifetime
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KR1020077004939A
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English (en)
Korean (ko)
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KR20070046904A (ko
Inventor
야로스라브 흘로우체크
프란츠 구첸-비흘러
Original Assignee
로베르트 보쉬 게엠베하
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Publication of KR20070046904A publication Critical patent/KR20070046904A/ko
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Publication of KR100850594B1 publication Critical patent/KR100850594B1/ko
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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
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/04—Injectors with heating, cooling, or thermally-insulating means
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/04—Injectors with heating, cooling, or thermally-insulating means
    • F02M53/043—Injectors with heating, cooling, or thermally-insulating means with cooling means other than air cooling
    • 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
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/07—Nozzles and injectors with controllable fuel supply
    • F02M2700/077—Injectors having cooling or heating means

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  • 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)
  • Nonmetallic Welding Materials (AREA)
KR1020077004939A 2004-08-24 2005-08-18 내연기관용 분사 노즐 Expired - Lifetime KR100850594B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1424/2004 2004-08-24
AT0142404A AT500773B8 (de) 2004-08-24 2004-08-24 Einspritzdüse für brennkraftmaschinen

Publications (2)

Publication Number Publication Date
KR20070046904A KR20070046904A (ko) 2007-05-03
KR100850594B1 true KR100850594B1 (ko) 2008-08-05

Family

ID=35169814

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077004939A Expired - Lifetime KR100850594B1 (ko) 2004-08-24 2005-08-18 내연기관용 분사 노즐

Country Status (8)

Country Link
US (1) US7383794B2 (enExample)
EP (1) EP1781931B1 (enExample)
JP (1) JP4795350B2 (enExample)
KR (1) KR100850594B1 (enExample)
CN (1) CN100510382C (enExample)
AT (2) AT500773B8 (enExample)
DE (1) DE502005008715D1 (enExample)
WO (1) WO2006021014A1 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT505666B1 (de) * 2007-08-20 2009-03-15 Bosch Gmbh Robert Verfahren und vorrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine
CN101498263B (zh) * 2008-07-23 2013-09-18 福建省莆田市中涵机动力有限公司 直接控制喷油嘴开关的高压共轨喷油器
US7849836B2 (en) * 2008-10-07 2010-12-14 Caterpillar Inc Cooling feature for fuel injector and fuel system using same
DE102009018767A1 (de) * 2009-04-24 2010-10-28 Man Diesel & Turbo Se Kraftstoffeinspritzdüse für eine Brennkraftmaschine
US8517284B2 (en) 2009-05-13 2013-08-27 Caterpillar Inc. System and method for internal cooling of a fuel injector
WO2011031929A2 (en) * 2009-09-11 2011-03-17 Invista Technologies S.A.R.L. Method for improved polyester resin blends for oxygen scavenging and products thereof
US8201754B2 (en) * 2009-12-03 2012-06-19 Caterpillar Inc. Fluid injector with thermal load control
US8434457B2 (en) * 2010-06-29 2013-05-07 Caterpillar Inc. System and method for cooling fuel injectors
US8480009B2 (en) 2010-07-30 2013-07-09 Caterpillar Inc. Large bore fuel system and fuel injector for same
EP2426344B1 (en) 2010-09-07 2015-02-25 Caterpillar Motoren GmbH & Co. KG Heating system for an internal combustion engine
US8549840B2 (en) * 2010-11-12 2013-10-08 Cummins Cal Pacific, Llc Fluid injector
AT512422B1 (de) 2012-02-07 2016-01-15 Bosch Gmbh Robert Vorrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine
CN102619659A (zh) * 2012-04-17 2012-08-01 哈尔滨工程大学 喷油器冷却衬套
KR101953922B1 (ko) * 2013-07-08 2019-03-05 현대중공업 주식회사 로커아암 윤활유를 이용한 노즐 냉각시스템
CN104763512A (zh) * 2015-02-05 2015-07-08 宁波市永硕精密机械有限公司 一种船用发动机喷油器冷却套
US9897053B2 (en) * 2015-08-12 2018-02-20 Cummins Inc. Fuel cooled injector tip
DE102015215943A1 (de) 2015-08-20 2017-02-23 Robert Bosch Gmbh Kraftstoffinjektor
US10605213B2 (en) * 2015-08-21 2020-03-31 Cummins Inc. Nozzle combustion shield and sealing member with improved heat transfer capabilities
DE102016206796A1 (de) 2016-04-21 2017-10-26 Robert Bosch Gmbh Kraftstoffinjektor
DE102016211477A1 (de) * 2016-06-27 2017-12-28 Robert Bosch Gmbh Düsenkörper für einen Kraftstoffinjektor
DE102017202686A1 (de) 2017-02-20 2018-08-23 Robert Bosch Gmbh Kraftstoffinjektor
JP6741052B2 (ja) * 2017-09-29 2020-08-19 株式会社デンソー 燃料噴射弁
CN109869252A (zh) * 2019-03-15 2019-06-11 江苏大学 一种高压共轨柴油机的高频响应喷油器
CN110005558B (zh) * 2019-03-19 2022-06-07 上海齐耀动力技术有限公司 一种防积碳燃油喷射装置
DE102020102194A1 (de) * 2020-01-30 2021-08-05 Man Energy Solutions Se Kraftstoffeinspritzventil
CN111828216A (zh) * 2020-06-28 2020-10-27 上海中船三井造船柴油机有限公司 双燃料柴油机喷油器预燃室的冷却结构
US12215651B1 (en) 2023-12-18 2025-02-04 Caterpillar Inc. Cylinder head configured for improved cooling performance and manufacturability

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10122082A (ja) * 1996-09-02 1998-05-12 Denso Corp 蓄圧式燃料噴射装置
JP2000064930A (ja) * 1998-05-29 2000-03-03 Waertsilae Nsd Schweiz Ag 燃料噴射ノズル
DE19909451A1 (de) * 1999-03-04 2000-09-14 Bosch Gmbh Robert Injektor mit einem Piezo-Mehrlagenaktor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE721753C (de) * 1940-08-04 1942-06-18 Bosch Gmbh Robert Gekuehlte, insbesondere fluessigkeitsgesteuerte Einspritzduese fuer Brennkraftmaschinen
US3737100A (en) * 1971-11-18 1973-06-05 Allis Chalmers Internally cooled unit injector
JPS535945Y2 (enExample) * 1973-04-04 1978-02-15
US3945353A (en) * 1974-11-29 1976-03-23 Allis-Chalmers Corporation Two phase nozzle cooling system
JPS6014907B2 (ja) * 1979-06-04 1985-04-16 キヤタピラ− トラクタ− コンパニ− 単位噴射器
DE3141070C3 (de) * 1981-10-16 1997-03-13 Motoren Werke Mannheim Ag Kühlung einer Kraftstoffeinspritzdüse für eine Brennkraftmaschine
US5400968A (en) * 1993-08-16 1995-03-28 Solar Turbines Incorporated Injector tip cooling using fuel as the coolant
DK171975B1 (da) * 1994-02-07 1997-09-01 Man B & W Diesel Gmbh Brændselsinjektor til en stor totakts forbrændingsmotor
JP3228497B2 (ja) * 1996-03-27 2001-11-12 株式会社豊田中央研究所 燃料噴射弁のデポジット低減法およびデポジット低減式燃料噴射弁
US5740782A (en) * 1996-05-20 1998-04-21 Lowi, Jr.; Alvin Positive-displacement-metering, electro-hydraulic fuel injection system
DE19816316A1 (de) * 1998-04-11 1999-10-14 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
JP4026448B2 (ja) * 2002-08-28 2007-12-26 トヨタ自動車株式会社 インジェクタ
CA2405350C (en) * 2002-09-26 2004-08-10 S. Michael Baker Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10122082A (ja) * 1996-09-02 1998-05-12 Denso Corp 蓄圧式燃料噴射装置
JP2000064930A (ja) * 1998-05-29 2000-03-03 Waertsilae Nsd Schweiz Ag 燃料噴射ノズル
DE19909451A1 (de) * 1999-03-04 2000-09-14 Bosch Gmbh Robert Injektor mit einem Piezo-Mehrlagenaktor

Also Published As

Publication number Publication date
EP1781931B1 (de) 2009-12-16
CN101006268A (zh) 2007-07-25
JP2008510914A (ja) 2008-04-10
AT500773A1 (de) 2006-03-15
AT500773B8 (de) 2007-02-15
EP1781931A1 (de) 2007-05-09
US20080017169A1 (en) 2008-01-24
KR20070046904A (ko) 2007-05-03
AT500773B1 (de) 2006-07-15
CN100510382C (zh) 2009-07-08
DE502005008715D1 (de) 2010-01-28
JP4795350B2 (ja) 2011-10-19
US7383794B2 (en) 2008-06-10
ATE452287T1 (de) 2010-01-15
WO2006021014A1 (de) 2006-03-02

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