AT491884T - Fuel injector - Google Patents

Fuel injector

Info

Publication number
AT491884T
AT491884T AT07728615T AT07728615T AT491884T AT 491884 T AT491884 T AT 491884T AT 07728615 T AT07728615 T AT 07728615T AT 07728615 T AT07728615 T AT 07728615T AT 491884 T AT491884 T AT 491884T
Authority
AT
Austria
Prior art keywords
fuel injector
injector
fuel
Prior art date
Application number
AT07728615T
Other languages
German (de)
Inventor
Dieter Junger
Nadja Eisenmenger
Christian Faltin
Original Assignee
Bosch Gmbh Robert
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
Priority to DE200610027780 priority Critical patent/DE102006027780A1/en
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Priority to PCT/EP2007/054160 priority patent/WO2007144229A1/en
Publication of AT491884T publication Critical patent/AT491884T/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02Fuel-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
    • F02M47/027Electrically actuated valves draining the chamber to release the closing pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002Arrangement of leakage or drain conduits in or from injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/31Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
AT07728615T 2006-06-16 2007-04-27 Fuel injector AT491884T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200610027780 DE102006027780A1 (en) 2006-06-16 2006-06-16 fuel injector
PCT/EP2007/054160 WO2007144229A1 (en) 2006-06-16 2007-04-27 Fuel injector

Publications (1)

Publication Number Publication Date
AT491884T true AT491884T (en) 2011-01-15

Family

ID=38325218

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07728615T AT491884T (en) 2006-06-16 2007-04-27 Fuel injector

Country Status (6)

Country Link
US (1) US8038083B2 (en)
EP (1) EP2035686B1 (en)
JP (1) JP4878386B2 (en)
AT (1) AT491884T (en)
DE (2) DE102006027780A1 (en)
WO (1) WO2007144229A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4530053B2 (en) * 2008-01-22 2010-08-25 株式会社デンソー Fuel pump
US7520268B1 (en) * 2008-03-18 2009-04-21 Robert Bosch Gmbh Fuel rail damping assembly including an insert
FR2929343A3 (en) * 2008-03-31 2009-10-02 Renault Sas Fuel return circuit for fuel injecting device in internal combustion engine, has closure pipe made of deformable material and provided in parallel to part of collecting pipe length so that pressure waves are returned to downstream portion
US7900886B2 (en) * 2008-04-18 2011-03-08 Caterpillar Inc. Valve assembly having a washer
EP2385241B1 (en) * 2010-05-04 2013-07-17 Continental Automotive GmbH Pulsation damper
DE102010029123A1 (en) * 2010-05-19 2011-11-24 Robert Bosch Gmbh Fuel injector with hydraulic coupler unit
DE102010030626A1 (en) * 2010-06-29 2011-12-29 Robert Bosch Gmbh Pulsation damper element for a fluid pump and associated fluid pump
US8727752B2 (en) * 2010-10-06 2014-05-20 Stanadyne Corporation Three element diaphragm damper for fuel pump
DE102011008467B4 (en) * 2011-01-13 2014-01-02 Continental Automotive Gmbh Injector with pressure compensation
DE102011100029C5 (en) 2011-04-29 2016-10-13 Horiba Europe Gmbh Device for measuring a fuel flow and calibration device therefor
DE102011120468A1 (en) * 2011-12-07 2013-06-13 Andreas Stihl Ag & Co. Kg Internal combustion engine with fuel supply device
JP5821769B2 (en) * 2012-04-24 2015-11-24 株式会社デンソー Damper device
DE102013003104A1 (en) * 2013-02-25 2014-08-28 L'orange Gmbh Fuel injector for use with diesel fuel in fuel injection device of fuel injection system, has pressure shock absorber that is arranged in leakage flow path to attenuate pressure waves, which run through leakage flow path to actuator chamber
JP5854006B2 (en) * 2013-07-12 2016-02-09 株式会社デンソー Pulsation damper and high-pressure pump equipped with the same
US20150017040A1 (en) * 2013-07-12 2015-01-15 Denso Corporation Pulsation damper and high-pressure pump having the same
JP5783431B2 (en) * 2013-07-12 2015-09-24 株式会社デンソー Pulsation damper and high-pressure pump equipped with the same
FR3017905B1 (en) * 2014-02-24 2018-12-07 Delphi International Operations Luxembourg S.A R.L. Fuel injector
JP5892397B2 (en) * 2014-10-30 2016-03-23 株式会社デンソー Pulsation damper
JP6527689B2 (en) * 2014-12-12 2019-06-05 株式会社不二工機 Diaphragm and pulsation damper using the same
DE102015219768A1 (en) * 2015-10-13 2017-04-13 Continental Automotive Gmbh High-pressure fuel pump for a fuel injection system of a motor vehicle
DE102015226024A1 (en) * 2015-12-18 2017-06-22 Robert Bosch Gmbh Fluid pump, in particular high-pressure fuel pump
DE102018212229A1 (en) * 2018-07-23 2020-01-23 Continental Automotive Gmbh Pump for a motor vehicle, holding device, assembly and method
WO2020166440A1 (en) * 2019-02-13 2020-08-20 日立オートモティブシステムズ株式会社 Metal diaphragm, metal damper, and fuel pump provided with same

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936425A1 (en) * 1979-09-08 1981-04-02 Bosch Gmbh Robert ELECTROMAGNETICALLY ACTUABLE FUEL INJECTION VALVE
US5520215A (en) * 1995-08-04 1996-05-28 Handy & Harman Automotive Group, Inc. Pressure regulator and dampener assembly
DE29708369U1 (en) * 1997-05-09 1997-07-10 Fev Motorentech Gmbh & Co Kg Controllable injection valve for fuel injection on internal combustion engines
DE59903599D1 (en) * 1998-11-10 2003-01-09 Ganser Hydromag Ag Zuerich FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES
GB9906092D0 (en) 1999-03-18 1999-05-12 Lucas France Fuel injector
US6360963B2 (en) * 2000-01-12 2002-03-26 Woodward Governor Company Gaseous fuel injector having high heat tolerance
DE60124332D1 (en) * 2000-03-07 2006-12-21 Matsushita Electric Ind Co Ltd liquid dispenser
US6321776B1 (en) * 2000-04-24 2001-11-27 Wayne L. Pratt Double diaphragm precision throttling valve
DE10159003A1 (en) 2001-11-30 2003-06-18 Bosch Gmbh Robert Injector with a solenoid valve for controlling an injection valve
JP3823060B2 (en) * 2002-03-04 2006-09-20 株式会社日立カーエンジニアリング High pressure fuel supply pump
EP1411236B1 (en) 2002-10-19 2012-10-10 Robert Bosch Gmbh Device for damping of pressure pulsations in a fluid system, especially in a fuel system of an internal combustion engine
US7322488B2 (en) * 2003-07-22 2008-01-29 Flexcon Industries Trust Expansion tank with double diaphragm
JP4036153B2 (en) 2003-07-22 2008-01-23 株式会社日立製作所 Damper mechanism and high-pressure fuel supply pump
US7303091B2 (en) * 2003-07-22 2007-12-04 Flexcon Industries Expansion tank with double diaphragm
JP2005076571A (en) * 2003-09-02 2005-03-24 Denso Corp Injector
US7165535B2 (en) * 2004-05-27 2007-01-23 Delphi Technologies, Inc. Fuel rail pulse damper with improved end crimp
DE102004034672A1 (en) 2004-07-17 2006-02-16 Robert Bosch Gmbh Fuel injection device for an internal combustion engine
JP4686501B2 (en) * 2007-05-21 2011-05-25 日立オートモティブシステムズ株式会社 Liquid pulsation damper mechanism and high-pressure fuel supply pump having liquid pulsation damper mechanism
JP4530053B2 (en) * 2008-01-22 2010-08-25 株式会社デンソー Fuel pump

Also Published As

Publication number Publication date
US8038083B2 (en) 2011-10-18
DE502007005966D1 (en) 2011-01-27
JP2009540206A (en) 2009-11-19
DE102006027780A1 (en) 2007-12-20
US20090127356A1 (en) 2009-05-21
EP2035686B1 (en) 2010-12-15
JP4878386B2 (en) 2012-02-15
EP2035686A1 (en) 2009-03-18
WO2007144229A1 (en) 2007-12-21

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