EP2839141B1 - Spannpratze zur festlegung eines kraftstoffinjektors an einem zylinderkopf einer brennkraftmaschine, anordnung umfassend eine spannpratze und kraftstoffeinspritzsystem umfassend eine spannpratze - Google Patents

Spannpratze zur festlegung eines kraftstoffinjektors an einem zylinderkopf einer brennkraftmaschine, anordnung umfassend eine spannpratze und kraftstoffeinspritzsystem umfassend eine spannpratze Download PDF

Info

Publication number
EP2839141B1
EP2839141B1 EP13709433.0A EP13709433A EP2839141B1 EP 2839141 B1 EP2839141 B1 EP 2839141B1 EP 13709433 A EP13709433 A EP 13709433A EP 2839141 B1 EP2839141 B1 EP 2839141B1
Authority
EP
European Patent Office
Prior art keywords
clamping claw
pressure
bore
fuel injector
clamping
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.)
Not-in-force
Application number
EP13709433.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2839141A1 (de
Inventor
Henning Kreschel
Kai Sutter
Andreas Rau
Andreas Gruenberger
Wilhelm Christ
Alexander VILLMANN
Matthias Horn
Thomas Schwarz
Wolfgang Stoecklein
Thomas Pauer
Stephan Amelang
Lorenz Zerle
Andreas Rettich
Markus Rueckle
Philipp Wachter
Marco Beier
Sven SIAUW
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2839141A1 publication Critical patent/EP2839141A1/de
Application granted granted Critical
Publication of EP2839141B1 publication Critical patent/EP2839141B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of 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
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting

Definitions

  • the axial force applied via the clamp causes a sealing force in the area of the sealing contact of the ball socket with the conical depression of the nozzle holder.
  • the trained in the clamp pressure channel ends at an end face of the tension bow and forms there a conical depression, in which by means of a union nut, the end cone of an injection line is sealingly pressed.
  • a leakage oil hole is provided in the tension bow, which is guided largely parallel to the pressure channel, but ends outside of the ball socket or outside of the conical depression of the tension bracket.
  • connection device of the further bore of the clamping claw can alternatively or additionally serve to receive a pressure sensor, a pressure regulating valve or a pressure limiting valve. Also in this case, a thread proves to be advantageous, since the connection of the sensor or the valve with the clamping claw can be produced via a screw connection.
  • the arrangement further has a traverse which can be connected to at least one clamping claw via a plug-in, latching, screwing and / or clamping connection, so that a low-pressure line accommodated in a recess of the clamping claw and / or electrical Conduction of a fixed by means of the clamping claw on the cylinder head fuel injector to a guided in the traverse low pressure line or electrical line can be connected.
  • the traverse thus ensures the connection of the fuel injector to a return and / or a power supply.
  • the traverse can also serve to receive a high-pressure line which connects two clamping claws or a clamping claw with a high-pressure pump. In this way, all lines are kept safe.
  • the clamping claw 1 of FIG. 3 further comprises a recess 13 which passes through the clamping claw 1 and extends from the top to the bottom of the clamping claw 1.
  • the recess 13 serves to carry out further connections of the fuel injector 2, in particular a low-pressure or return line and the electrical connections for the electrical supply of a in the Fuel injector 2 integrated control valve (not shown).
  • the recess 13 receives the corresponding connections of the fuel injector 2 with play. It thus leaves enough space for the production of the connections.
  • FIGS. 4 and 5 Traverse 5 shown can also serve to guide a low-pressure or return line to which it applies to connect the fuel injectors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
EP13709433.0A 2012-04-19 2013-03-14 Spannpratze zur festlegung eines kraftstoffinjektors an einem zylinderkopf einer brennkraftmaschine, anordnung umfassend eine spannpratze und kraftstoffeinspritzsystem umfassend eine spannpratze Not-in-force EP2839141B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012206486A DE102012206486A1 (de) 2012-04-19 2012-04-19 Spannpratze zur Festlegung eines Kraftstoffinjektors an einem Zylinderkopf an einer Brennkraftmaschine, Anordnung umfassend eine Spannpratze und Kraftstoffeinspritzsystem umfassend eine Spannpratze
PCT/EP2013/055268 WO2013156215A1 (de) 2012-04-19 2013-03-14 Spannpratze zur festlegung eines kraftstoffinjektors an einem zylinderkopf an einer brennkraftmaschine, anordnung umfassend eine spannpratze und kraftstoffeinspritzsystem umfassend eine spannpratze

Publications (2)

Publication Number Publication Date
EP2839141A1 EP2839141A1 (de) 2015-02-25
EP2839141B1 true EP2839141B1 (de) 2018-08-01

Family

ID=47884335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13709433.0A Not-in-force EP2839141B1 (de) 2012-04-19 2013-03-14 Spannpratze zur festlegung eines kraftstoffinjektors an einem zylinderkopf einer brennkraftmaschine, anordnung umfassend eine spannpratze und kraftstoffeinspritzsystem umfassend eine spannpratze

Country Status (5)

Country Link
EP (1) EP2839141B1 (enExample)
CN (1) CN104395599B (enExample)
DE (1) DE102012206486A1 (enExample)
IN (1) IN2014DN07311A (enExample)
WO (1) WO2013156215A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015222190B4 (de) 2015-11-11 2019-03-28 Itt Manufacturing Enterprises Llc Steckverbinder und Motor- oder Ventilabdeckungselement umfassend einen Steckverbinder
KR20190001367A (ko) * 2017-06-27 2019-01-04 주식회사 현대케피코 연료레일 인젝터 고정 구조
US10934984B1 (en) * 2019-08-27 2021-03-02 Denso International America, Inc. Fuel delivery system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4301835C1 (de) * 1992-10-31 1993-11-04 Daimler Benz Ag Motorbremse fuer eine dieselbrennkraftmaschine
DE4318434A1 (de) 1993-06-03 1994-12-08 Opel Adam Ag Haltevorrichtung für ein Kraftstoffeinspritzventil eines Dieselmotors
GB0312406D0 (en) * 2003-05-29 2003-07-02 Delphi Tech Inc Injector assembly
DE102007008146A1 (de) 2007-02-19 2008-08-21 Robert Bosch Gmbh Injektor mit Zusatzkörper

Also Published As

Publication number Publication date
IN2014DN07311A (enExample) 2015-04-24
CN104395599B (zh) 2017-10-20
WO2013156215A1 (de) 2013-10-24
CN104395599A (zh) 2015-03-04
DE102012206486A1 (de) 2013-10-24
EP2839141A1 (de) 2015-02-25

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