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FR2843617B1 - FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINE - Google Patents

FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINE

Info

Publication number
FR2843617B1
FR2843617B1 FR0309820A FR0309820A FR2843617B1 FR 2843617 B1 FR2843617 B1 FR 2843617B1 FR 0309820 A FR0309820 A FR 0309820A FR 0309820 A FR0309820 A FR 0309820A FR 2843617 B1 FR2843617 B1 FR 2843617B1
Authority
FR
France
Prior art keywords
combustion engine
internal combustion
fuel injector
injector
fuel
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.)
Expired - Fee Related
Application number
FR0309820A
Other languages
French (fr)
Other versions
FR2843617A1 (en
Inventor
Markus Ohnmacht
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 FR2843617A1 publication Critical patent/FR2843617A1/en
Application granted granted Critical
Publication of FR2843617B1 publication Critical patent/FR2843617B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F02M61/04—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
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0309820A 2002-08-13 2003-08-11 FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINE Expired - Fee Related FR2843617B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002137003 DE10237003A1 (en) 2002-08-13 2002-08-13 Fuel injection valve for internal combustion engines

Publications (2)

Publication Number Publication Date
FR2843617A1 FR2843617A1 (en) 2004-02-20
FR2843617B1 true FR2843617B1 (en) 2008-04-25

Family

ID=30775210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0309820A Expired - Fee Related FR2843617B1 (en) 2002-08-13 2003-08-11 FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINE

Country Status (4)

Country Link
JP (1) JP2004076733A (en)
DE (1) DE10237003A1 (en)
FR (1) FR2843617B1 (en)
IT (1) ITMI20031632A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20040512A1 (en) * 2004-07-23 2004-10-23 Magneti Marelli Powertrain Spa FUEL INJECTOR PROVIDED WITH HIGH FLEXIBILITY NEEDLE
JP4760815B2 (en) * 2007-11-07 2011-08-31 株式会社デンソー nozzle
DE102014226407A1 (en) * 2014-12-18 2016-06-23 Robert Bosch Gmbh Injector for fuels
DE102015212467A1 (en) 2015-07-03 2017-01-05 Robert Bosch Gmbh Injection nozzle for a fuel injection system
DE102017116214A1 (en) * 2017-07-18 2019-01-24 L'orange Gmbh Nozzle needle for a fuel injector, fuel injector and injection system for an internal combustion engine
DE102021212897A1 (en) 2021-11-17 2023-05-17 Robert Bosch Gesellschaft mit beschränkter Haftung Injector for an internal combustion engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928912A1 (en) * 1988-09-29 1990-04-05 Avl Verbrennungskraft Messtech Engine fuel injection nozzle - has pressure and leak-off chambers permanently connected with needle valve off seat
US5647536A (en) * 1995-01-23 1997-07-15 Cummins Engine Company, Inc. Injection rate shaping nozzle assembly for a fuel injector
WO2002044546A1 (en) * 2000-11-28 2002-06-06 Siemens Aktiengesellschaft Control chamber and control plunger for an injection valve of an internal combustion engine
DE10065528A1 (en) * 2000-12-28 2002-07-04 Bosch Gmbh Robert Fuel injector

Also Published As

Publication number Publication date
FR2843617A1 (en) 2004-02-20
DE10237003A1 (en) 2004-03-18
JP2004076733A (en) 2004-03-11
ITMI20031632A1 (en) 2004-02-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100430