DE102012220610B4 - Injektor - Google Patents

Injektor Download PDF

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Publication number
DE102012220610B4
DE102012220610B4 DE102012220610.8A DE102012220610A DE102012220610B4 DE 102012220610 B4 DE102012220610 B4 DE 102012220610B4 DE 102012220610 A DE102012220610 A DE 102012220610A DE 102012220610 B4 DE102012220610 B4 DE 102012220610B4
Authority
DE
Germany
Prior art keywords
injector
leakage
control piston
nozzle needle
bore
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
Application number
DE102012220610.8A
Other languages
German (de)
English (en)
Other versions
DE102012220610A1 (de
Inventor
Roman Etlender
Willibald Schürz
Werner Reim
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 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 GmbH filed Critical Continental Automotive GmbH
Priority to DE102012220610.8A priority Critical patent/DE102012220610B4/de
Priority to PCT/EP2013/073297 priority patent/WO2014075988A1/de
Priority to US14/442,471 priority patent/US10662913B2/en
Priority to IN2087DEN2015 priority patent/IN2015DN02087A/en
Priority to CN201380059352.8A priority patent/CN104838129B/zh
Priority to EP13788759.2A priority patent/EP2920452B1/de
Publication of DE102012220610A1 publication Critical patent/DE102012220610A1/de
Application granted granted Critical
Publication of DE102012220610B4 publication Critical patent/DE102012220610B4/de
Expired - Fee Related 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
    • 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
    • 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
    • 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)
DE102012220610.8A 2012-11-13 2012-11-13 Injektor Expired - Fee Related DE102012220610B4 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE102012220610.8A DE102012220610B4 (de) 2012-11-13 2012-11-13 Injektor
PCT/EP2013/073297 WO2014075988A1 (de) 2012-11-13 2013-11-07 Injektor
US14/442,471 US10662913B2 (en) 2012-11-13 2013-11-07 Injector
IN2087DEN2015 IN2015DN02087A (OSRAM) 2012-11-13 2013-11-07
CN201380059352.8A CN104838129B (zh) 2012-11-13 2013-11-07 喷射器
EP13788759.2A EP2920452B1 (de) 2012-11-13 2013-11-07 Injektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012220610.8A DE102012220610B4 (de) 2012-11-13 2012-11-13 Injektor

Publications (2)

Publication Number Publication Date
DE102012220610A1 DE102012220610A1 (de) 2014-05-15
DE102012220610B4 true DE102012220610B4 (de) 2015-04-02

Family

ID=49552368

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102012220610.8A Expired - Fee Related DE102012220610B4 (de) 2012-11-13 2012-11-13 Injektor

Country Status (6)

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

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605277A1 (de) * 1995-02-15 1996-08-22 Nippon Soken Magnetbetätigtes hydraulisches Steuerventil zur Verwendung im Kraftstoffeinspritzsystem eines Verbrennungsmotors
DE19958872A1 (de) * 1998-12-09 2000-06-15 Denso Corp Ventilbauart und Kraftstoffeinspritzgerät mit derselben
DE10055714A1 (de) * 1999-11-10 2001-06-13 Denso Corp Kraftstoffeinspritzventil
DE102004017303A1 (de) * 2004-04-08 2005-10-27 Robert Bosch Gmbh Einspritzdüse
DE102009002554A1 (de) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Kraftstoffinjektor für ein Kraftstoffeinspritzsystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20030678A1 (it) * 2003-11-14 2005-05-15 Magneti Marelli Powertrain Spa Iniettore di carburante con attuazione idraulica dello spillo
WO2007098621A1 (de) 2006-03-03 2007-09-07 Ganser-Hydromag Ag Brennstoffeinspritzventil für verbrennungskraftmaschinen
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
JP5263135B2 (ja) * 2009-12-08 2013-08-14 株式会社デンソー 燃料噴射弁
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
PL2503138T3 (pl) 2011-03-24 2013-10-31 Omt Off Mec Torino S P A Sterowany elektrycznie wtryskiwacz paliwa do dużych silników wysokoprężnych
DE102012220610B4 (de) 2012-11-13 2015-04-02 Continental Automotive Gmbh Injektor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605277A1 (de) * 1995-02-15 1996-08-22 Nippon Soken Magnetbetätigtes hydraulisches Steuerventil zur Verwendung im Kraftstoffeinspritzsystem eines Verbrennungsmotors
DE19958872A1 (de) * 1998-12-09 2000-06-15 Denso Corp Ventilbauart und Kraftstoffeinspritzgerät mit derselben
DE10055714A1 (de) * 1999-11-10 2001-06-13 Denso Corp Kraftstoffeinspritzventil
DE102004017303A1 (de) * 2004-04-08 2005-10-27 Robert Bosch Gmbh Einspritzdüse
DE102009002554A1 (de) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Kraftstoffinjektor für ein Kraftstoffeinspritzsystem

Also Published As

Publication number Publication date
EP2920452B1 (de) 2017-06-07
EP2920452A1 (de) 2015-09-23
CN104838129A (zh) 2015-08-12
WO2014075988A1 (de) 2014-05-22
IN2015DN02087A (OSRAM) 2015-08-14
US20160319785A1 (en) 2016-11-03
CN104838129B (zh) 2017-08-08
DE102012220610A1 (de) 2014-05-15
US10662913B2 (en) 2020-05-26

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Legal Events

Date Code Title Description
R012 Request for examination validly filed
R016 Response to examination communication
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final
R081 Change of applicant/patentee

Owner name: VITESCO TECHNOLOGIES GMBH, DE

Free format text: FORMER OWNER: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE

R084 Declaration of willingness to licence
R081 Change of applicant/patentee

Owner name: VITESCO TECHNOLOGIES GMBH, DE

Free format text: FORMER OWNER: VITESCO TECHNOLOGIES GMBH, 30165 HANNOVER, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee