EP1584813A3 - Injecteur pour moteur à combustion avec une aiguille d'injection contrôlée directement - Google Patents

Injecteur pour moteur à combustion avec une aiguille d'injection contrôlée directement Download PDF

Info

Publication number
EP1584813A3
EP1584813A3 EP05100668A EP05100668A EP1584813A3 EP 1584813 A3 EP1584813 A3 EP 1584813A3 EP 05100668 A EP05100668 A EP 05100668A EP 05100668 A EP05100668 A EP 05100668A EP 1584813 A3 EP1584813 A3 EP 1584813A3
Authority
EP
European Patent Office
Prior art keywords
nozzle needle
pressure
switching valve
fuel injector
inner nozzle
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Withdrawn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
EP05100668A
Other languages
German (de)
English (en)
Other versions
EP1584813A2 (fr
Inventor
Achim Brenk
Martin Kropp
Hans-Christoph Magel
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 EP1584813A2 publication Critical patent/EP1584813A2/fr
Publication of EP1584813A3 publication Critical patent/EP1584813A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0028—Valves characterised by the valve actuating means hydraulic
    • F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber
    • 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
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0043—Two-way valves
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves

Landscapes

  • 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)
EP05100668A 2004-04-08 2005-02-01 Injecteur pour moteur à combustion avec une aiguille d'injection contrôlée directement Withdrawn EP1584813A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017305 2004-04-08
DE102004017305A DE102004017305A1 (de) 2004-04-08 2004-04-08 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen mit direkt ansteuerbaren Düsennadeln

Publications (2)

Publication Number Publication Date
EP1584813A2 EP1584813A2 (fr) 2005-10-12
EP1584813A3 true EP1584813A3 (fr) 2006-03-29

Family

ID=34895518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05100668A Withdrawn EP1584813A3 (fr) 2004-04-08 2005-02-01 Injecteur pour moteur à combustion avec une aiguille d'injection contrôlée directement

Country Status (3)

Country Link
US (1) US20050224600A1 (fr)
EP (1) EP1584813A3 (fr)
DE (1) DE102004017305A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004010760A1 (de) * 2004-03-05 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen mit Nadelhubdämpfung
DE102004022267A1 (de) 2004-05-06 2005-12-01 Robert Bosch Gmbh Verfahren und Vorrichtung zur Formung des Einspritzdruckes an einem Kraftstoffinjektor
DE102004028521A1 (de) * 2004-06-11 2005-12-29 Robert Bosch Gmbh Kraftstoffinjektor mit mehrteiligem Einspritzventilglied und mit Druckverstärker
JP4075894B2 (ja) * 2004-09-24 2008-04-16 トヨタ自動車株式会社 燃料噴射装置
DE102005059163A1 (de) * 2005-12-12 2007-06-21 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine
US8100110B2 (en) * 2005-12-22 2012-01-24 Caterpillar Inc. Fuel injector with selectable intensification
DE102006026381A1 (de) * 2006-06-07 2007-12-13 Robert Bosch Gmbh Kraftstoffinjektor mit Druckübersetzer und niederdruckseitig angeordnetem Piezosteller
DE102007002760A1 (de) 2007-01-18 2008-07-24 Robert Bosch Gmbh Kraftstoffinjektor mit integriertem Druckverstärker
DE102007062178A1 (de) * 2007-12-21 2009-06-25 Robert Bosch Gmbh Injektor eines Kraftstoffeinspritzsystems mit einem 3/2-Wege-Steuerventil
EP2410168A1 (fr) * 2010-07-23 2012-01-25 Wärtsilä Schweiz AG Distributeur de fluide et procédé de préparation d'un fluide de travail à l'aide d'un distributeur de fluide
GB201309118D0 (en) * 2013-05-21 2013-07-03 Delphi Tech Holding Sarl Fuel Injector
GB201518923D0 (en) 2015-10-27 2015-12-09 Delphi Internat Operations Luxembourg S À R L Control valve arrangement of a fuel injector
DK179161B1 (en) * 2016-05-26 2017-12-18 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland A large two-stroke compression-ignited internal combustion engine with fuel injection system for low flashpoint fuel and a fuel valve therefore
DE102016221547A1 (de) * 2016-11-03 2018-05-03 Robert Bosch Gmbh Brennstoffeinspritzventil zum Einspritzen eines gasförmigen und/oder flüssigen Brennstoffs
US10119507B1 (en) * 2017-07-17 2018-11-06 GM Global Technology Operations LLC Rotating fuel injector assembly
DE102019219441A1 (de) * 2019-01-31 2020-08-06 Robert Bosch Gmbh Zweistoffinjektor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1087129A2 (fr) * 1999-09-23 2001-03-28 Delphi Technologies, Inc. Injecteur de carburant
US20020125339A1 (en) * 2001-03-02 2002-09-12 Perr Julius P. Variable spray hole fuel injector with dual actuators
DE10229417A1 (de) * 2002-06-29 2004-01-15 Robert Bosch Gmbh Speichereinspritzsystem mit Variodüse und Druckübersetzungseinrichtung
DE10229415A1 (de) * 2002-06-29 2004-01-29 Robert Bosch Gmbh Einrichtung zur Nadelhubdämpfung an druckgesteuerten Kraftstoffinjektoren
US20040055559A1 (en) * 2000-08-03 2004-03-25 Best Christopher Howard Dual mode fuel injector
EP1435453A1 (fr) * 2003-01-03 2004-07-07 Robert Bosch Gmbh Buse d'injection bi-mode s'ouvrant en interieur
US20040256495A1 (en) * 1998-09-16 2004-12-23 Baker S. Michael Dual fuel injection valve and method of operating a dual fuel injection valve

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6073862A (en) * 1998-09-16 2000-06-13 Westport Research Inc. Gaseous and liquid fuel injector
DE19910970A1 (de) * 1999-03-12 2000-09-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
US6685160B2 (en) * 2001-07-30 2004-02-03 Caterpillar Inc Dual solenoid latching actuator and method of using same
DE10205970A1 (de) 2002-02-14 2003-09-04 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10229413A1 (de) * 2002-06-29 2004-01-29 Robert Bosch Gmbh Druckübersetzersteuerung durch Bewegung eines Einspritzventilgliedes
DE10247210A1 (de) * 2002-10-10 2004-04-22 Robert Bosch Gmbh Filteranordnung für Kraftstoffeinspritzsysteme
DE10315015B4 (de) * 2003-04-02 2005-12-15 Robert Bosch Gmbh Kraftstoffinjektor mit Druckverstärker und Servoventil mit optimierter Steuermenge
US7320310B2 (en) * 2003-04-02 2008-01-22 Robert Bosch Gmbh Fuel injector provided with provided with a pressure transmitter controlled by a servo valve
US7124744B2 (en) * 2003-07-31 2006-10-24 Caterpillar Inc. Variable control orifice member and fuel injector using same
DE102004024527A1 (de) * 2004-05-18 2005-12-15 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
DE102004028521A1 (de) * 2004-06-11 2005-12-29 Robert Bosch Gmbh Kraftstoffinjektor mit mehrteiligem Einspritzventilglied und mit Druckverstärker
DE102004053274A1 (de) * 2004-11-04 2006-05-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
DE102004053421A1 (de) * 2004-11-05 2006-05-11 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040256495A1 (en) * 1998-09-16 2004-12-23 Baker S. Michael Dual fuel injection valve and method of operating a dual fuel injection valve
EP1087129A2 (fr) * 1999-09-23 2001-03-28 Delphi Technologies, Inc. Injecteur de carburant
US20040055559A1 (en) * 2000-08-03 2004-03-25 Best Christopher Howard Dual mode fuel injector
US20020125339A1 (en) * 2001-03-02 2002-09-12 Perr Julius P. Variable spray hole fuel injector with dual actuators
DE10229417A1 (de) * 2002-06-29 2004-01-15 Robert Bosch Gmbh Speichereinspritzsystem mit Variodüse und Druckübersetzungseinrichtung
DE10229415A1 (de) * 2002-06-29 2004-01-29 Robert Bosch Gmbh Einrichtung zur Nadelhubdämpfung an druckgesteuerten Kraftstoffinjektoren
EP1435453A1 (fr) * 2003-01-03 2004-07-07 Robert Bosch Gmbh Buse d'injection bi-mode s'ouvrant en interieur

Also Published As

Publication number Publication date
US20050224600A1 (en) 2005-10-13
EP1584813A2 (fr) 2005-10-12
DE102004017305A1 (de) 2005-10-27

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