DE102015219376A1 - Düsenbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor - Google Patents

Düsenbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor Download PDF

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Publication number
DE102015219376A1
DE102015219376A1 DE102015219376.4A DE102015219376A DE102015219376A1 DE 102015219376 A1 DE102015219376 A1 DE 102015219376A1 DE 102015219376 A DE102015219376 A DE 102015219376A DE 102015219376 A1 DE102015219376 A1 DE 102015219376A1
Authority
DE
Germany
Prior art keywords
section
bore
nozzle
throttle
nozzle needle
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.)
Withdrawn
Application number
DE102015219376.4A
Other languages
German (de)
English (en)
Inventor
Kurt Kaindlbinder
Georg Sengseis
Roland Mitter
Friedrich Kroepl
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 DE102015219376.4A priority Critical patent/DE102015219376A1/de
Priority to PCT/EP2016/068927 priority patent/WO2017059986A1/fr
Publication of DE102015219376A1 publication Critical patent/DE102015219376A1/de
Withdrawn legal-status Critical Current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
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
DE102015219376.4A 2015-10-07 2015-10-07 Düsenbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor Withdrawn DE102015219376A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102015219376.4A DE102015219376A1 (de) 2015-10-07 2015-10-07 Düsenbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor
PCT/EP2016/068927 WO2017059986A1 (fr) 2015-10-07 2016-08-09 Ensemble buse pour un injecteur de carburant et injecteur de carburant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015219376.4A DE102015219376A1 (de) 2015-10-07 2015-10-07 Düsenbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor

Publications (1)

Publication Number Publication Date
DE102015219376A1 true DE102015219376A1 (de) 2017-04-13

Family

ID=56799423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102015219376.4A Withdrawn DE102015219376A1 (de) 2015-10-07 2015-10-07 Düsenbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor

Country Status (2)

Country Link
DE (1) DE102015219376A1 (fr)
WO (1) WO2017059986A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002084A1 (de) 2004-01-15 2005-08-04 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmschinen
DE102011078390A1 (de) 2011-06-30 2013-01-03 Robert Bosch Gmbh Düsenbaugruppe für einen Kraftstoffinjektor sowie Kraftstoffinjektor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134868A1 (de) * 2001-07-18 2003-02-13 Bosch Gmbh Robert Kraftstoffinjektor mit Schließdruckkompensation
DE102007032741A1 (de) * 2007-07-13 2009-01-15 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
EP2083165A1 (fr) * 2008-01-22 2009-07-29 Delphi Technologies, Inc. Buse à injection
DE102010044088A1 (de) * 2010-11-18 2012-05-24 Robert Bosch Gmbh Düsenbaugruppe für einen Kraftstoffinjektor sowie Kraftstoffinjektor
DE102012210534A1 (de) * 2012-06-21 2013-12-24 Robert Bosch Gmbh Kraftstoffinjektor
EP2722518A1 (fr) * 2012-10-22 2014-04-23 Delphi International Operations Luxembourg S.à r.l. Buse d'injection de carburant avec un élément de réduction d'écoulement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002084A1 (de) 2004-01-15 2005-08-04 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmschinen
DE102011078390A1 (de) 2011-06-30 2013-01-03 Robert Bosch Gmbh Düsenbaugruppe für einen Kraftstoffinjektor sowie Kraftstoffinjektor

Also Published As

Publication number Publication date
WO2017059986A1 (fr) 2017-04-13

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Legal Events

Date Code Title Description
R005 Application deemed withdrawn due to failure to request examination