DE102018204492A1 - Kraftstoffinjektor - Google Patents

Kraftstoffinjektor Download PDF

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Publication number
DE102018204492A1
DE102018204492A1 DE102018204492.9A DE102018204492A DE102018204492A1 DE 102018204492 A1 DE102018204492 A1 DE 102018204492A1 DE 102018204492 A DE102018204492 A DE 102018204492A DE 102018204492 A1 DE102018204492 A1 DE 102018204492A1
Authority
DE
Germany
Prior art keywords
fuel injector
sealing surface
valve
holding body
valve piece
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.)
Pending
Application number
DE102018204492.9A
Other languages
German (de)
English (en)
Inventor
Thomas Nierychlo
Joachim Soubari
Philipp Wachter
Fabian Fischer
Oezguer Tuerker
Axel Schnaufer
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
Priority to DE102018204492.9A priority Critical patent/DE102018204492A1/de
Priority to PCT/EP2019/056766 priority patent/WO2019179976A1/fr
Priority to CN201980021351.1A priority patent/CN111902627B/zh
Priority to EP19713386.1A priority patent/EP3768962B1/fr
Publication of DE102018204492A1 publication Critical patent/DE102018204492A1/de
Pending legal-status Critical Current

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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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-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
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • 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
    • 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
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
    • 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
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/803—Fuel injection apparatus manufacture, repair or assembly using clamp elements and fastening means; e.g. bolts or screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
DE102018204492.9A 2018-03-23 2018-03-23 Kraftstoffinjektor Pending DE102018204492A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE102018204492.9A DE102018204492A1 (de) 2018-03-23 2018-03-23 Kraftstoffinjektor
PCT/EP2019/056766 WO2019179976A1 (fr) 2018-03-23 2019-03-19 Injecteur de carburant
CN201980021351.1A CN111902627B (zh) 2018-03-23 2019-03-19 燃料喷射器
EP19713386.1A EP3768962B1 (fr) 2018-03-23 2019-03-19 Injecteur de carburant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018204492.9A DE102018204492A1 (de) 2018-03-23 2018-03-23 Kraftstoffinjektor

Publications (1)

Publication Number Publication Date
DE102018204492A1 true DE102018204492A1 (de) 2019-09-26

Family

ID=65911127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102018204492.9A Pending DE102018204492A1 (de) 2018-03-23 2018-03-23 Kraftstoffinjektor

Country Status (4)

Country Link
EP (1) EP3768962B1 (fr)
CN (1) CN111902627B (fr)
DE (1) DE102018204492A1 (fr)
WO (1) WO2019179976A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014225293A1 (de) 2014-12-09 2016-06-09 Robert Bosch Gmbh Kraftstoffinjektor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10018663A1 (de) * 2000-04-14 2001-10-25 Siemens Ag Einspritzventil mit optimierter Flächengeometrie zwischen einem Düsenkörper und einer Spannmutter
DE10220931C1 (de) * 2002-05-10 2003-11-27 Siemens Ag Injektor zur Kraftstoffeinspritzung
DE102005006818A1 (de) * 2005-02-15 2006-08-17 Volkswagen Mechatronic Gmbh & Co. Kg Dichtungseinrichtung für einen Kraftstoffinjektor sowie Verfahren zum Abdichten
DE102008005523A1 (de) * 2008-01-23 2009-07-30 Robert Bosch Gmbh Kraftstoffinjektor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014225293A1 (de) 2014-12-09 2016-06-09 Robert Bosch Gmbh Kraftstoffinjektor

Also Published As

Publication number Publication date
EP3768962A1 (fr) 2021-01-27
WO2019179976A1 (fr) 2019-09-26
CN111902627A (zh) 2020-11-06
CN111902627B (zh) 2022-12-27
EP3768962B1 (fr) 2022-12-21

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