EP2450556A3 - Anschlussanordnung für eine rohrförmige Kraftstoffleitung - Google Patents

Anschlussanordnung für eine rohrförmige Kraftstoffleitung Download PDF

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Publication number
EP2450556A3
EP2450556A3 EP11008856.4A EP11008856A EP2450556A3 EP 2450556 A3 EP2450556 A3 EP 2450556A3 EP 11008856 A EP11008856 A EP 11008856A EP 2450556 A3 EP2450556 A3 EP 2450556A3
Authority
EP
European Patent Office
Prior art keywords
channel
pressure
wall
fuel line
clearance
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
EP11008856.4A
Other languages
English (en)
French (fr)
Other versions
EP2450556A2 (de
EP2450556B1 (de
Inventor
Hans-Jürgen Guido
Jürgen Ernst
Herrmann Wild
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.)
GUIDO, HANS-JUERGEN
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2450556A2 publication Critical patent/EP2450556A2/de
Publication of EP2450556A3 publication Critical patent/EP2450556A3/de
Application granted granted Critical
Publication of EP2450556B1 publication Critical patent/EP2450556B1/de
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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from 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
    • F02M55/004—Joints; Sealings
    • F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/9029—With coupling

Landscapes

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

Abstract

Es wird eine Anschlussanordnung für eine Kraftstoffleitung (5) beschrieben, die sich durch einen Kanal (4) eines Zylinderkopfes (1) bis zu einem Düsenhalter (2) erstreckt, um einer Einspritzdüse Kraftstoff zuzuführen. Die Kraftstoffleitung weist einen Drucknippel (6) auf, der auf seiner Vorderseite eine Dichtfläche (8) und auf seiner Rückseite eine Druckaufnahmefläche besitzt. Ein die Kraftstoffleitung umgebendes, an der Eingangsöffnung (3) des Kanals verschraubtes Überwurfschraubelement (15) ragt in den Kanal mit einem axial gerichteten Rohrabschnitt (17) hinein, der im festgezogenen Zustand auf eine Druckübertragungsanordnung eine axial zum Düsenhalter hin gerichtete Kraft ausübt, die auf die Druckaufnahmefläche des Drucknippels übertragen wird, um dessen Dichtfläche gegen eine am Düsenhalter ausgebildete Gegendichtfläche (10) anzupressen: Eine Dichtanordnung, welche einen ersten Freiraum (21) zwischen der Außenwand der Kraftstoffleitung und der Innenwand der Druckübertragungsanordnung und einen zweiten Freiraum (22) zwischen der Außenwand der Druckübertragungsanordnung und der Innenwand des Kanals zur Außenseite hin abdichtet, ist vollständig im Inneren des Kanals positioniert.
EP11008856.4A 2010-11-06 2011-11-07 Anschlussanordnung für eine rohrförmige Kraftstoffleitung Active EP2450556B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010050296 DE102010050296B4 (de) 2010-11-06 2010-11-06 Anschlussanordnung für eine rohrförmige Kraftstoffleitung

Publications (3)

Publication Number Publication Date
EP2450556A2 EP2450556A2 (de) 2012-05-09
EP2450556A3 true EP2450556A3 (de) 2015-07-08
EP2450556B1 EP2450556B1 (de) 2018-05-30

Family

ID=45023503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11008856.4A Active EP2450556B1 (de) 2010-11-06 2011-11-07 Anschlussanordnung für eine rohrförmige Kraftstoffleitung

Country Status (3)

Country Link
US (1) US8695572B2 (de)
EP (1) EP2450556B1 (de)
DE (1) DE102010050296B4 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT509177B1 (de) * 2009-11-23 2013-09-15 Bosch Gmbh Robert Druckrohrstutzen für common-rail-einspritzsystem
US8991360B2 (en) * 2012-06-27 2015-03-31 Caterpillar Inc. Coaxial quill assembly retainer and common rail fuel system using same
FR3028296B1 (fr) * 2014-11-07 2016-11-11 Delphi Int Operations Luxembourg Sarl Dispositif anti rotation d'une lance a carburant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3309854A1 (de) * 1982-04-19 1983-10-27 Yanmar Diesel Engine Co., Ltd., Osaka Haltevorrichtung fuer das kraftstoffeinspritzventil eines dieselmotors
JP2008267449A (ja) * 2007-04-18 2008-11-06 Nok Corp バックアップリング
DE102007047518A1 (de) * 2007-10-04 2009-04-09 Man Nutzfahrzeuge Ag Druckrohrstutzen
EP2354529A1 (de) * 2010-01-21 2011-08-10 Delphi Technologies Holding S.à.r.l. Kraftstoffanordnung und Klemmvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845748A (en) 1972-09-29 1974-11-05 Mack Trucks Fuel injection nozzle holder installation
US5775303A (en) * 1995-06-30 1998-07-07 Cummins Engine Company, Inc. High Pressure Fuel Line Connection
DE19524520A1 (de) * 1995-07-05 1997-01-09 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
IT1284691B1 (it) * 1996-07-23 1998-05-21 Iveco Fiat Motore endotermico a iniezione
AT407900B (de) * 1997-04-09 2001-07-25 Avl List Gmbh Brennkraftmaschine mit einlass- und auslassventilen
GB9816264D0 (en) * 1998-07-24 1998-09-23 Lucas Ind Plc Connector
US6431150B1 (en) * 2000-09-12 2002-08-13 Detroit Diesel Corporation Fuel system
DE10240518A1 (de) * 2002-09-03 2004-03-11 Deutz Ag Kraftstoffeinspritzsystem für eine Brennkraftmaschine
US7543567B2 (en) * 2007-10-29 2009-06-09 Caterpillar Inc. Fuel system having a one-piece hollow tube connection
EP2060776B1 (de) * 2007-11-13 2011-10-05 Delphi Technologies Holding S.à.r.l. Brennstofflanze

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3309854A1 (de) * 1982-04-19 1983-10-27 Yanmar Diesel Engine Co., Ltd., Osaka Haltevorrichtung fuer das kraftstoffeinspritzventil eines dieselmotors
JP2008267449A (ja) * 2007-04-18 2008-11-06 Nok Corp バックアップリング
DE102007047518A1 (de) * 2007-10-04 2009-04-09 Man Nutzfahrzeuge Ag Druckrohrstutzen
EP2354529A1 (de) * 2010-01-21 2011-08-10 Delphi Technologies Holding S.à.r.l. Kraftstoffanordnung und Klemmvorrichtung

Also Published As

Publication number Publication date
US8695572B2 (en) 2014-04-15
US20120125462A1 (en) 2012-05-24
DE102010050296A1 (de) 2012-05-10
EP2450556A2 (de) 2012-05-09
EP2450556B1 (de) 2018-05-30
DE102010050296B4 (de) 2013-11-07

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