IN2015DN02087A - - Google Patents

Download PDF

Info

Publication number
IN2015DN02087A
IN2015DN02087A IN2087DEN2015A IN2015DN02087A IN 2015DN02087 A IN2015DN02087 A IN 2015DN02087A IN 2087DEN2015 A IN2087DEN2015 A IN 2087DEN2015A IN 2015DN02087 A IN2015DN02087 A IN 2015DN02087A
Authority
IN
India
Prior art keywords
control piston
actuator
injector housing
bore
leakage pin
Prior art date
Application number
Other languages
English (en)
Inventor
Roman Etlender
Willibald Schürz
Werner Reim
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
Publication of IN2015DN02087A publication Critical patent/IN2015DN02087A/en

Links

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)
IN2087DEN2015 2012-11-13 2013-11-07 IN2015DN02087A (OSRAM)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
IN2015DN02087A true IN2015DN02087A (OSRAM) 2015-08-14

Family

ID=49552368

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2087DEN2015 IN2015DN02087A (OSRAM) 2012-11-13 2013-11-07

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

Family Cites Families (14)

* 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
JP4048699B2 (ja) * 1999-11-10 2008-02-20 株式会社デンソー 燃料噴射弁
ITBO20030678A1 (it) * 2003-11-14 2005-05-15 Magneti Marelli Powertrain Spa Iniettore di carburante con attuazione idraulica dello spillo
DE102004017303A1 (de) * 2004-04-08 2005-10-27 Robert Bosch Gmbh Einspritzdüse
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
DE102009002554A1 (de) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Kraftstoffinjektor für ein Kraftstoffeinspritzsystem
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

Also Published As

Publication number Publication date
EP2920452B1 (de) 2017-06-07
EP2920452A1 (de) 2015-09-23
CN104838129A (zh) 2015-08-12
DE102012220610B4 (de) 2015-04-02
WO2014075988A1 (de) 2014-05-22
US20160319785A1 (en) 2016-11-03
CN104838129B (zh) 2017-08-08
DE102012220610A1 (de) 2014-05-15
US10662913B2 (en) 2020-05-26

Similar Documents

Publication Publication Date Title
ATE518058T1 (de) Kraftstoffinjektor
WO2012020999A3 (ko) 2단 연료 분사 밸브
MX2018005112A (es) Valvula de control de fluido.
PH12014501737A1 (en) Liquid material discharge device and discharge method
GB0810391D0 (en) Fluid servo and applications
NZ594426A (en) A membrane pump head for a homogenizer or a high-pressure pump
WO2014066696A9 (en) Fuel injection system
IN2014DE00470A (OSRAM)
MX2013011416A (es) Ensamblaje de valvula de movimiento vertical para controlar un actuador neumatico.
MX354785B (es) Aparato accionador que tiene pasajes internos.
DK2294331T3 (da) Hydraulisk ventilindretning
MX2015009794A (es) Instalacion de valvula y metodo de operacion de la misma.
MY163844A (en) High pressure intensifiers
MX345609B (es) Controles manuales para válvulas.
WO2014108405A3 (en) Cylinder release arrangement
GB2514976A8 (en) Micro pilot valve
WO2012055639A3 (de) Druckregelventil
IN2014DN10109A (OSRAM)
IN2015DN02087A (OSRAM)
GB201117160D0 (en) Fuel system
AU2012358130B2 (en) Method and device for controlling the fuel supply of an internal combustion engine operated with liquefied gas
WO2013092968A3 (de) Pumpe, insbesondere kraftstoffhochdruckpumpe für eine kraftstoffeinspritzeinrichtung
DE502005003465D1 (en) Common-rail-injektor
IN2014DN07182A (OSRAM)
WO2014183907A3 (de) Pumpe, insbesondere kraftstoffhochdruckpumpe einer brennkraftmaschine