EP2466116A3 - Pulsationsdämpfer - Google Patents

Pulsationsdämpfer Download PDF

Info

Publication number
EP2466116A3
EP2466116A3 EP11009813.4A EP11009813A EP2466116A3 EP 2466116 A3 EP2466116 A3 EP 2466116A3 EP 11009813 A EP11009813 A EP 11009813A EP 2466116 A3 EP2466116 A3 EP 2466116A3
Authority
EP
European Patent Office
Prior art keywords
injector
pressure generator
damping element
different
fuel fluid
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.)
Granted
Application number
EP11009813.4A
Other languages
English (en)
French (fr)
Other versions
EP2466116B1 (de
EP2466116A2 (de
Inventor
Stephan Wanner
Arthur Handtmann
Sebastian Franz
Stefan Schneider
Franz Prof. Dr. Dr. h.c. Durst
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.)
KW Technologie GmbH and Co KG
Original Assignee
KW Technologie GmbH and Co KG
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 KW Technologie GmbH and Co KG filed Critical KW Technologie GmbH and Co KG
Publication of EP2466116A2 publication Critical patent/EP2466116A2/de
Publication of EP2466116A3 publication Critical patent/EP2466116A3/de
Application granted granted Critical
Publication of EP2466116B1 publication Critical patent/EP2466116B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02M61/165—Filtering elements specially adapted in fuel inlets to injector
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M2200/27—Fuel-injection apparatus with filters
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations

Abstract

Es wird eine Vorrichtung zum Einspritzen eines unter Druck stehenden Brennstofffluids in einen Brennraum mit einem Druckerzeuger, wenigstens einem Injektor mit Einspritzöffnung und einer Brennstoffleitung zwischen dem Druckerzeuger und dem Injektor, wobei in Strömungsrichtung des Brennstofffluids wenigstens ein erstes (23) und ein zweites (24) Dämpfungselement zur Reduktion von Brennstofffluid-Druckwellen zwischen dem Druckerzeuger und der Einspritzöffnung des Injektors hintereinander angeordnet sind, wobei jedes der Dämpfungselemente (23,24) mehrere Strömungswege mit frei durchströmbarer, einen Querschnittsdurchmesser aufweisende, durchschnittliche Querschnittsfläche und/oder mit frei durchströmbaren, einen Porendurchmesser aufweisende Poren umfasst, vorgeschlagen, die dadurch gekennzeichnet ist, dass wenigstens zwei unterschiedliche Dämpfungselemente (23,24) vorgesehen sind, wobei das erste Dämpfungselement wenigstens ein erstes Material und/oder eine erste Struktur aufweist und wobei das zweite Dämpfungselement wenigstens ein zweites, zum ersten verschiedenes Material und/oder eine zweite, zur ersten verschiedene Struktur aufweist.
EP11009813.4A 2010-12-15 2011-12-14 Pulsationsdämpfer Not-in-force EP2466116B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010054674 2010-12-15
DE102010054675 2010-12-15
DE102011116274 2011-10-19

Publications (3)

Publication Number Publication Date
EP2466116A2 EP2466116A2 (de) 2012-06-20
EP2466116A3 true EP2466116A3 (de) 2013-05-29
EP2466116B1 EP2466116B1 (de) 2014-07-30

Family

ID=45421766

Family Applications (3)

Application Number Title Priority Date Filing Date
EP11009813.4A Not-in-force EP2466116B1 (de) 2010-12-15 2011-12-14 Pulsationsdämpfer
EP20110009811 Not-in-force EP2466112B1 (de) 2010-12-15 2011-12-14 Pulsationsdämpfer
EP20110009812 Not-in-force EP2466113B1 (de) 2010-12-15 2011-12-14 Pulsationsdämpfer

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP20110009811 Not-in-force EP2466112B1 (de) 2010-12-15 2011-12-14 Pulsationsdämpfer
EP20110009812 Not-in-force EP2466113B1 (de) 2010-12-15 2011-12-14 Pulsationsdämpfer

Country Status (4)

Country Link
EP (3) EP2466116B1 (de)
DE (3) DE102011120944A1 (de)
ES (3) ES2509942T3 (de)
HU (1) HUE024519T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2468118A1 (de) 2010-12-24 2012-06-27 Philip Morris Products S.A. Aerosolerzeugungssystem mit Mitteln zur Deaktivierung von Verbrauchsmaterial
DE102012220661A1 (de) * 2012-11-13 2014-05-15 Robert Bosch Gmbh Brennstoffverteiler, insbesondere Brennstoffverteilerleiste für gemischverdichtende, fremdgezündete Brennkraftmaschinen
DE102013003104A1 (de) * 2013-02-25 2014-08-28 L'orange Gmbh Krafftstoffinjektor
US9644589B2 (en) * 2013-11-20 2017-05-09 Stanadyne Llc Debris diverter shield for fuel injector
DE102015220550A1 (de) 2015-10-21 2017-04-27 Ford Global Technologies, Llc Kraftstoffeinspritzdüse
DE102016209423A1 (de) * 2016-05-31 2017-11-30 Robert Bosch Gmbh Hochdruckspeicher und Verfahren zur Herstellung eines Hochdruckspeichers
EP3502461A1 (de) * 2017-12-20 2019-06-26 Continental Automotive GmbH Kraftstoffförderkanal für ein kraftstoffeinspritzsystem und verfahren zur herstellung eines kraftstoffförderkanals
EP3670895B1 (de) * 2018-12-20 2023-10-18 Vitesco Technologies GmbH Kraftstoffschienenanordnung für ein kraftstoffeinspritzsystem für einen verbrennungsmotor
DE102019103041B4 (de) * 2019-02-07 2022-12-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Sammeldruckleitung für ein Kraftstoffeinspritzsystem einer Verbrennungskraftmaschine
EP3805547A1 (de) * 2019-10-08 2021-04-14 Vitesco Technologies GmbH Kkraftstoffeinspritzanordnung und verfahren zur herstellung einer kraftstoffzuteileranordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10247775A1 (de) * 2002-10-14 2004-04-22 Siemens Ag Speichereinspritzsystem zur Dämpfung von Druckwellen, insbesondere bei einem Common Rail Einspritzsystem
US7093584B1 (en) * 2005-08-19 2006-08-22 Delphi Technologies, Inc. Fuel injector noise mufflers
DE102006054178A1 (de) * 2006-11-16 2008-05-21 Robert Bosch Gmbh Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit druckschwingungsgedämpfter Kraftstoffrücklaufleitung
US20100012091A1 (en) * 2008-07-17 2010-01-21 Robert Bosch Gmbh In-line noise filtering device for fuel system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356091A (en) 1980-10-06 1982-10-26 Caterpillar Tractor Co. Filtering and dampening apparatus
DE19516358C1 (de) 1995-05-04 1996-08-22 Daimler Benz Ag Pulsationsdämpfer für Kraftstoff im Kraftstoffversorgungssystem einer Brennkraftmaschine
DE10226004A1 (de) * 2002-06-12 2004-01-08 Robert Bosch Gmbh Kraftstoffeinspritzsystem mit einem Festkörperdämpfungselement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10247775A1 (de) * 2002-10-14 2004-04-22 Siemens Ag Speichereinspritzsystem zur Dämpfung von Druckwellen, insbesondere bei einem Common Rail Einspritzsystem
US7093584B1 (en) * 2005-08-19 2006-08-22 Delphi Technologies, Inc. Fuel injector noise mufflers
DE102006054178A1 (de) * 2006-11-16 2008-05-21 Robert Bosch Gmbh Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit druckschwingungsgedämpfter Kraftstoffrücklaufleitung
US20100012091A1 (en) * 2008-07-17 2010-01-21 Robert Bosch Gmbh In-line noise filtering device for fuel system

Also Published As

Publication number Publication date
EP2466116B1 (de) 2014-07-30
EP2466113A3 (de) 2013-05-29
EP2466116A2 (de) 2012-06-20
DE102011120945A1 (de) 2012-06-21
ES2525294T3 (es) 2014-12-19
ES2509942T3 (es) 2014-10-20
EP2466113B1 (de) 2014-12-17
EP2466112A3 (de) 2013-05-29
EP2466112A2 (de) 2012-06-20
DE102011120924A1 (de) 2012-06-21
EP2466113A2 (de) 2012-06-20
DE102011120944A1 (de) 2012-06-21
ES2531313T3 (es) 2015-03-12
EP2466112B1 (de) 2014-09-03
HUE024519T2 (en) 2016-01-28

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