DE50110179D1 - INJECTION NOZZLE WITH TWO SEPARATE CONTROLLABLE NOZZLE NEEDLES - Google Patents

INJECTION NOZZLE WITH TWO SEPARATE CONTROLLABLE NOZZLE NEEDLES

Info

Publication number
DE50110179D1
DE50110179D1 DE50110179T DE50110179T DE50110179D1 DE 50110179 D1 DE50110179 D1 DE 50110179D1 DE 50110179 T DE50110179 T DE 50110179T DE 50110179 T DE50110179 T DE 50110179T DE 50110179 D1 DE50110179 D1 DE 50110179D1
Authority
DE
Germany
Prior art keywords
nozzle
needles
separate controllable
injection nozzle
injection
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
DE50110179T
Other languages
German (de)
Inventor
Gerhard Mack
Thomas Kuegler
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 DE50110179T priority Critical patent/DE50110179D1/en
Application granted granted Critical
Publication of DE50110179D1 publication Critical patent/DE50110179D1/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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE50110179T 2000-11-22 2001-11-17 INJECTION NOZZLE WITH TWO SEPARATE CONTROLLABLE NOZZLE NEEDLES Expired - Fee Related DE50110179D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50110179T DE50110179D1 (en) 2000-11-22 2001-11-17 INJECTION NOZZLE WITH TWO SEPARATE CONTROLLABLE NOZZLE NEEDLES

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000158153 DE10058153A1 (en) 2000-11-22 2000-11-22 Injection nozzle with separately controllable nozzle needles
DE50110179T DE50110179D1 (en) 2000-11-22 2001-11-17 INJECTION NOZZLE WITH TWO SEPARATE CONTROLLABLE NOZZLE NEEDLES
PCT/DE2001/004338 WO2002042631A1 (en) 2000-11-22 2001-11-17 Injection nozzle comprising two separately controllable nozzle needles

Publications (1)

Publication Number Publication Date
DE50110179D1 true DE50110179D1 (en) 2006-07-27

Family

ID=7664381

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2000158153 Ceased DE10058153A1 (en) 2000-11-22 2000-11-22 Injection nozzle with separately controllable nozzle needles
DE50110179T Expired - Fee Related DE50110179D1 (en) 2000-11-22 2001-11-17 INJECTION NOZZLE WITH TWO SEPARATE CONTROLLABLE NOZZLE NEEDLES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2000158153 Ceased DE10058153A1 (en) 2000-11-22 2000-11-22 Injection nozzle with separately controllable nozzle needles

Country Status (5)

Country Link
EP (1) EP1339966B1 (en)
CZ (1) CZ298453B6 (en)
DE (2) DE10058153A1 (en)
PL (1) PL355415A1 (en)
WO (1) WO2002042631A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10163654A1 (en) * 2001-12-21 2003-07-03 Bosch Gmbh Robert Fuel injection system for internal combustion engines
DE10229417A1 (en) * 2002-06-29 2004-01-15 Robert Bosch Gmbh Accumulator injection system with vario nozzle and pressure booster
DE10233099A1 (en) * 2002-07-20 2004-02-05 Robert Bosch Gmbh Fuel injection device for a motor vehicle's internal combustion engine, has high-pressure fuel pump linked to fuel injection valve for each cylinder in the engine
DE10246973A1 (en) * 2002-10-09 2004-04-22 Robert Bosch Gmbh Fuel injector for internal combustion engine has at least two co-axially disposed valve elements and common valve unit which has at least three selectable positions and which influences position of valve elements
JP2006505745A (en) 2002-11-11 2006-02-16 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング Fuel injection valve for internal combustion engine
DE10315821A1 (en) * 2002-11-11 2004-05-27 Robert Bosch Gmbh Motor vehicle internal combustion engine injection valve has housing with bore and pressure space defining throttled connection with valve shoulder on needle
DE10320491B4 (en) * 2003-05-08 2014-05-08 Volkswagen Ag Fuel injection valve for an internal combustion engine
DE10326045A1 (en) * 2003-06-10 2004-12-30 Robert Bosch Gmbh Injection nozzle for internal combustion engines
DE10326044A1 (en) 2003-06-10 2004-12-30 Robert Bosch Gmbh Injection nozzle for internal combustion engines
DE10337609A1 (en) * 2003-08-16 2005-03-10 Bosch Gmbh Robert Fuel injection device, in particular for a direct injection internal combustion engine
DE10344942B4 (en) * 2003-09-27 2017-12-21 Robert Bosch Gmbh Fuel injection device for an internal combustion engine
DE102004002090A1 (en) 2004-01-15 2005-08-04 Robert Bosch Gmbh Injector and associated operating method
DE102004002083A1 (en) 2004-01-15 2005-08-04 Robert Bosch Gmbh Valve for controlling fluids, in particular fuel injection valve
FR2868480B1 (en) 2004-04-02 2008-05-02 Peugeot Citroen Automobiles Sa INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION
DE102004020550A1 (en) * 2004-04-27 2005-11-24 Robert Bosch Gmbh injection
DE102004057245A1 (en) * 2004-11-26 2006-06-01 Robert Bosch Gmbh fuel Injector
DE102004057244A1 (en) 2004-11-26 2006-06-01 Robert Bosch Gmbh fuel Injector
DE102004057246A1 (en) * 2004-11-26 2006-06-01 Robert Bosch Gmbh fuel Injector
DE102004060550A1 (en) 2004-12-16 2006-07-06 Robert Bosch Gmbh fuel Injector
DE102008057209B4 (en) * 2008-11-13 2010-09-09 Continental Automotive Gmbh Method and device for operating an internal combustion engine having at least one cylinder and at least one actuator
DE102017007863A1 (en) 2017-08-21 2019-02-21 Daimler Ag Exhaust system for an internal combustion engine, in particular for a motor vehicle, and method for operating such an exhaust system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115477C2 (en) * 1990-05-17 2003-02-06 Avl Verbrennungskraft Messtech Injection nozzle for an internal combustion engine
DE4214646A1 (en) * 1992-05-02 1993-11-04 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR PRIME AND MAIN INJECTION
DE4432686C2 (en) * 1994-09-14 1996-09-05 Man B & W Diesel Ag Cross-section controlled injection nozzle
US5899389A (en) * 1997-06-02 1999-05-04 Cummins Engine Company, Inc. Two stage fuel injector nozzle assembly
EP0972932A1 (en) * 1998-07-16 2000-01-19 MaK Motoren GmbH & Co. KG Injection valve for internal combustion engines
DE19913286A1 (en) * 1999-03-24 2000-10-12 Man B & W Diesel Ag Injector

Also Published As

Publication number Publication date
CZ20031313A3 (en) 2004-09-15
EP1339966A1 (en) 2003-09-03
DE10058153A1 (en) 2002-06-06
WO2002042631A1 (en) 2002-05-30
PL355415A1 (en) 2004-04-19
EP1339966B1 (en) 2006-06-14
CZ298453B6 (en) 2007-10-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee