CN104838129B - 喷射器 - Google Patents

喷射器 Download PDF

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Publication number
CN104838129B
CN104838129B CN201380059352.8A CN201380059352A CN104838129B CN 104838129 B CN104838129 B CN 104838129B CN 201380059352 A CN201380059352 A CN 201380059352A CN 104838129 B CN104838129 B CN 104838129B
Authority
CN
China
Prior art keywords
injector
control piston
leakage
actuator
space
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.)
Active
Application number
CN201380059352.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN104838129A (zh
Inventor
R.埃特伦德
W.许尔茨
W.赖姆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitesco Technologies GmbH
Original Assignee
Continental Automotive Technologies GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Automotive Technologies GmbH filed Critical Continental Automotive Technologies GmbH
Publication of CN104838129A publication Critical patent/CN104838129A/zh
Application granted granted Critical
Publication of CN104838129B publication Critical patent/CN104838129B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating 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
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/167—Means for compensating clearance or thermal expansion
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/701—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger mechanical
    • 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
    • F02M2200/704—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with actuator and actuated element moving in different directions, e.g. in opposite directions
    • 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
    • F02M2547/001—Control chambers formed by movable sleeves

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)
CN201380059352.8A 2012-11-13 2013-11-07 喷射器 Active CN104838129B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012220610.8 2012-11-13
DE102012220610.8A DE102012220610B4 (de) 2012-11-13 2012-11-13 Injektor
PCT/EP2013/073297 WO2014075988A1 (de) 2012-11-13 2013-11-07 Injektor

Publications (2)

Publication Number Publication Date
CN104838129A CN104838129A (zh) 2015-08-12
CN104838129B true CN104838129B (zh) 2017-08-08

Family

ID=49552368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380059352.8A Active CN104838129B (zh) 2012-11-13 2013-11-07 喷射器

Country Status (6)

Country Link
US (1) US10662913B2 (enExample)
EP (1) EP2920452B1 (enExample)
CN (1) CN104838129B (enExample)
DE (1) DE102012220610B4 (enExample)
IN (1) IN2015DN02087A (enExample)
WO (1) WO2014075988A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012220610B4 (de) 2012-11-13 2015-04-02 Continental Automotive Gmbh Injektor
GB2573522B (en) * 2018-05-08 2020-08-19 Delphi Tech Ip Ltd Method of identifying faults in the operation of hydraulic fuel injectors having accelerometers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6367453B1 (en) * 1999-11-10 2002-04-09 Denso Corporation Fuel injection valve
CN101395366A (zh) * 2006-03-03 2009-03-25 甘瑟-许德罗玛格股份公司 内燃机的燃料喷射阀
CN101403360A (zh) * 2003-11-14 2009-04-08 玛涅蒂玛瑞利动力系公开有限公司 具有液压锁销致动器的燃油喷射器
DE102009002554A1 (de) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Kraftstoffinjektor für ein Kraftstoffeinspritzsystem
DE102010037715A1 (de) * 2009-12-08 2011-06-09 Denso Corporation, Kariya-City Injektor
CN102691605A (zh) * 2011-03-24 2012-09-26 Omt都灵机械车间有限公司 用于大型柴油发动机的电控燃料喷射器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605277B4 (de) * 1995-02-15 2004-06-03 Nippon Soken, Inc., Nishio Magnetbetätigtes hydraulisches Steuerventil zur Verwendung im Kraftstoffeinspritzsystem eines Verbrennungsmotors
JP2001140726A (ja) * 1998-12-09 2001-05-22 Denso Corp 弁装置およびそれを用いた燃料噴射装置
DE102004017303A1 (de) 2004-04-08 2005-10-27 Robert Bosch Gmbh Einspritzdüse
JP4683035B2 (ja) * 2007-11-13 2011-05-11 株式会社デンソー インジェクタ
DE102008032133B4 (de) * 2008-07-08 2015-08-20 Continental Automotive Gmbh Kraftstoffeinspritzvorrichtung
DE102010021169B4 (de) 2010-05-21 2012-03-08 Continental Automotive Gmbh Verfahren und Vorrichtung zur Ermittlung des tatsächlichen Einspritzbeginns eines Piezo-Kraftstoff-Einspritzventils
US8448878B2 (en) * 2010-11-08 2013-05-28 Caterpillar Inc. Fuel injector with needle control system that includes F, A, Z and E orifices
DE102012220610B4 (de) 2012-11-13 2015-04-02 Continental Automotive Gmbh Injektor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6367453B1 (en) * 1999-11-10 2002-04-09 Denso Corporation Fuel injection valve
CN101403360A (zh) * 2003-11-14 2009-04-08 玛涅蒂玛瑞利动力系公开有限公司 具有液压锁销致动器的燃油喷射器
CN101395366A (zh) * 2006-03-03 2009-03-25 甘瑟-许德罗玛格股份公司 内燃机的燃料喷射阀
DE102009002554A1 (de) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Kraftstoffinjektor für ein Kraftstoffeinspritzsystem
DE102010037715A1 (de) * 2009-12-08 2011-06-09 Denso Corporation, Kariya-City Injektor
CN102691605A (zh) * 2011-03-24 2012-09-26 Omt都灵机械车间有限公司 用于大型柴油发动机的电控燃料喷射器

Also Published As

Publication number Publication date
DE102012220610A1 (de) 2014-05-15
EP2920452A1 (de) 2015-09-23
CN104838129A (zh) 2015-08-12
US10662913B2 (en) 2020-05-26
EP2920452B1 (de) 2017-06-07
US20160319785A1 (en) 2016-11-03
DE102012220610B4 (de) 2015-04-02
WO2014075988A1 (de) 2014-05-22
IN2015DN02087A (enExample) 2015-08-14

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EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
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GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230413

Address after: Regensburg, Germany

Patentee after: WeiPai Technology Co.,Ltd.

Address before: Hannover

Patentee before: CONTINENTAL AUTOMOTIVE GmbH

TR01 Transfer of patent right