ES2531313T3 - Atenuador de pulsaciones - Google Patents

Atenuador de pulsaciones Download PDF

Info

Publication number
ES2531313T3
ES2531313T3 ES11009812T ES11009812T ES2531313T3 ES 2531313 T3 ES2531313 T3 ES 2531313T3 ES 11009812 T ES11009812 T ES 11009812T ES 11009812 T ES11009812 T ES 11009812T ES 2531313 T3 ES2531313 T3 ES 2531313T3
Authority
ES
Spain
Prior art keywords
injector
attenuating element
pressure generator
pressure
flow
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
ES11009812T
Other languages
English (en)
Inventor
Stephan Wanner
Arthur Handtmann
Sebastian Franz
Stefan Schneider
Franz 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
Application granted granted Critical
Publication of ES2531313T3 publication Critical patent/ES2531313T3/es
Active 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Prostheses (AREA)

Abstract

Dispositivo para la inyección de un fluido combustible bajo presión en una cámara de combustión con un generador de presión, por lo menos un inyector (42, 43) con una abertura de inyección y un conducto de combustible entre el generador de presión y el inyector (42, 43), en donde se provee por lo menos un elemento atenuador (7 a 10, 17 a 20) para la reducción de las ondas de presión del fluido combustible entre el generador de presión y la abertura de inyección del inyector (42, 43), en donde el elemento atenuador (7 a 10, 17 a 20) comprende varias vías de flujo con una superficie de sección transversal promedio libremente abierta al flujo, que presenta un diámetro de sección transversal, y/o con poros libremente abiertos al flujo que presentan un diámetro de poros (25, 28), caracterizado por que el elemento atenuador (7 a 10; 17 a 21; 23, 24, 29, 45 a 48; 98, 99) comprende por lo menos una pila (7 a 10, 17 a 20) con por lo menos dos capas de atenuación (19, 20, 27, 47, 48), en donde dos capas de atenuación adyacentes (19, 20, 27, 47, 48) presentan superficies de contacto que se tocan por lo menos parcialmente entre sí.
ES11009812T 2010-12-15 2011-12-14 Atenuador de pulsaciones Active ES2531313T3 (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ES2531313T3 true ES2531313T3 (es) 2015-03-12

Family

ID=45421766

Family Applications (3)

Application Number Title Priority Date Filing Date
ES11009812T Active ES2531313T3 (es) 2010-12-15 2011-12-14 Atenuador de pulsaciones
ES11009811.8T Active ES2525294T3 (es) 2010-12-15 2011-12-14 Amortiguador de pulsaciones
ES11009813.4T Active ES2509942T3 (es) 2010-12-15 2011-12-14 Atenuador de pulsaciones

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES11009811.8T Active ES2525294T3 (es) 2010-12-15 2011-12-14 Amortiguador de pulsaciones
ES11009813.4T Active ES2509942T3 (es) 2010-12-15 2011-12-14 Atenuador de pulsaciones

Country Status (4)

Country Link
EP (3) EP2466113B1 (es)
DE (3) DE102011120944A1 (es)
ES (3) ES2531313T3 (es)
HU (1) HUE024519T2 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2468118A1 (en) 2010-12-24 2012-06-27 Philip Morris Products S.A. An aerosol generating system with means for disabling a consumable
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 (en) * 2017-12-20 2019-06-26 Continental Automotive GmbH A fuel delivery passage for a fuel injection system and a method of manufacturing a fuel delivery passage
EP3670895B1 (en) * 2018-12-20 2023-10-18 Vitesco Technologies GmbH Fuel rail assembly for a fuel injection system for an internal combustion engine
DE102019103041B4 (de) * 2019-02-07 2022-12-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Sammeldruckleitung für ein Kraftstoffeinspritzsystem einer Verbrennungskraftmaschine
EP3805547A1 (en) * 2019-10-08 2021-04-14 Vitesco Technologies GmbH Fuel injection assembly and method of manufacturing a fuel rail assembly

Family Cites Families (7)

* 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
DE10247775B4 (de) 2002-10-14 2005-12-29 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
US7942132B2 (en) * 2008-07-17 2011-05-17 Robert Bosch Gmbh In-line noise filtering device for fuel system

Also Published As

Publication number Publication date
EP2466116B1 (de) 2014-07-30
HUE024519T2 (en) 2016-01-28
ES2525294T3 (es) 2014-12-19
DE102011120924A1 (de) 2012-06-21
EP2466113B1 (de) 2014-12-17
DE102011120944A1 (de) 2012-06-21
EP2466112A2 (de) 2012-06-20
DE102011120945A1 (de) 2012-06-21
EP2466113A3 (de) 2013-05-29
EP2466112A3 (de) 2013-05-29
ES2509942T3 (es) 2014-10-20
EP2466113A2 (de) 2012-06-20
EP2466116A2 (de) 2012-06-20
EP2466112B1 (de) 2014-09-03
EP2466116A3 (de) 2013-05-29

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