DE50109392D1 - Common-rail-system - Google Patents

Common-rail-system

Info

Publication number
DE50109392D1
DE50109392D1 DE50109392T DE50109392T DE50109392D1 DE 50109392 D1 DE50109392 D1 DE 50109392D1 DE 50109392 T DE50109392 T DE 50109392T DE 50109392 T DE50109392 T DE 50109392T DE 50109392 D1 DE50109392 D1 DE 50109392D1
Authority
DE
Germany
Prior art keywords
valve
pressure
fluid
actuator unit
high pressure
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 - Lifetime
Application number
DE50109392T
Other languages
English (en)
Inventor
Friedrich Boecking
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 DE50109392T priority Critical patent/DE50109392D1/de
Application granted granted Critical
Publication of DE50109392D1 publication Critical patent/DE50109392D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • F02D41/3872—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves characterised by leakage flow in injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/005—Fuel-injectors combined or associated with other devices the devices being sensors
    • 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
    • F02M61/167—Means for compensating clearance or thermal expansion
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/24—Fuel-injection apparatus with sensors
    • F02M2200/244—Force sensors
    • 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
    • F02M2200/24—Fuel-injection apparatus with sensors
    • F02M2200/247—Pressure sensors
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
    • F02M2200/704—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with actuator and actuated element moving in different directions, e.g. in opposite directions
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
    • F02M2200/705—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Driven Valves (AREA)
DE50109392T 2000-09-07 2001-08-29 Common-rail-system Expired - Lifetime DE50109392D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50109392T DE50109392D1 (en) 2000-09-07 2001-08-29 Common-rail-system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10044120A DE10044120A1 (de) 2000-09-07 2000-09-07 Common-Rail-System
PCT/DE2001/003303 WO2002020976A1 (de) 2000-09-07 2001-08-29 Common-rail-system
DE50109392T DE50109392D1 (en) 2000-09-07 2001-08-29 Common-rail-system

Publications (1)

Publication Number Publication Date
DE50109392D1 true DE50109392D1 (en) 2006-05-18

Family

ID=7655321

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10044120A Ceased DE10044120A1 (de) 2000-09-07 2000-09-07 Common-Rail-System
DE50109392T Expired - Lifetime DE50109392D1 (en) 2000-09-07 2001-08-29 Common-rail-system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10044120A Ceased DE10044120A1 (de) 2000-09-07 2000-09-07 Common-Rail-System

Country Status (6)

Country Link
EP (1) EP1317619B1 (de)
JP (1) JP2004508494A (de)
AT (1) ATE321945T1 (de)
CZ (1) CZ20021537A3 (de)
DE (2) DE10044120A1 (de)
WO (1) WO2002020976A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216154A1 (de) * 2002-04-12 2003-10-23 Hydraulik Ring Gmbh Druckbegrenzungsventil, insbesondere für Diesel-Hochdruckpumpen von Einspritzvorrichtungen in Kraftfahrzeugen
DE10307816A1 (de) * 2003-02-24 2004-09-02 Robert Bosch Gmbh Brennstoffeinspritzventil
DE10333696A1 (de) * 2003-07-24 2005-02-24 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung
DE10333697A1 (de) 2003-07-24 2005-02-24 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung
DE10333695A1 (de) * 2003-07-24 2005-03-03 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung
DE10358864A1 (de) 2003-12-16 2005-07-14 Volkswagen Ag Kraftstoffversorgungseinrichtung für eine Brennkraftmaschine sowie Verfahren zum Betreiben dieser
DE102007017126A1 (de) * 2007-04-11 2008-10-16 Robert Bosch Gmbh Einspritzmodul
DE102008040629A1 (de) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Verfahren zum Ansteuern eines Kraftstoffinjektors im Überdruckfall oder Fehlerfall und zugehöriges Einspritzsystem
DE102012204252B3 (de) * 2012-03-19 2013-08-29 Continental Automotive Gmbh Verfahren zum Betreiben eines Kraftstoffeinspritzsystems mit Druckabbau und Kraftstoffeinspritzsystem mit Einspritzventil mit Servoventil
DE102015205114B4 (de) 2015-03-20 2022-08-04 Volkswagen Aktiengesellschaft Verfahren zur Vermeidung zu hoher Systemdrücke in Common-Rail-Systemen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE192263T1 (de) 1990-09-25 2000-05-15 Siemens Ag Anordnung für einen in hubrichtung wirkenden adaptiven, mechanischen toleranzausgleich für den wegtransformator eines piezoelektrischen aktors
JP3740733B2 (ja) * 1996-02-13 2006-02-01 いすゞ自動車株式会社 内燃機関の燃料噴射装置
GB9610819D0 (en) * 1996-05-22 1996-07-31 Lucas Ind Plc Valve arrangement
DE29708369U1 (de) * 1997-05-09 1997-07-10 FEV Motorentechnik GmbH & Co. KG, 52078 Aachen Steuerbares Einspritzventil für die Kraftstoffeinspritzung an Brennkraftmaschinen
JP2000027725A (ja) * 1998-07-08 2000-01-25 Isuzu Motors Ltd コモンレール式燃料噴射装置
DE19954023B4 (de) * 1998-11-30 2009-02-26 Denso Corp., Kariya-shi Hochdruckkraftstoffeinspritzvorrichtung
DE19917711C2 (de) * 1999-04-20 2001-06-07 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine

Also Published As

Publication number Publication date
EP1317619B1 (de) 2006-03-29
DE10044120A1 (de) 2002-04-04
JP2004508494A (ja) 2004-03-18
WO2002020976A1 (de) 2002-03-14
EP1317619A1 (de) 2003-06-11
ATE321945T1 (de) 2006-04-15
CZ20021537A3 (cs) 2003-10-15

Similar Documents

Publication Publication Date Title
MXPA02009731A (es) Accion rapida dual para valvulas.
EP0915230A3 (de) Sicherheitsventil unter Verwendung eines Abschlussventils
WO2002042671A3 (en) Device and method for operating at least two valves
TW354819B (en) Fluid control apparatus having a cut-off release device
DE50109392D1 (en) Common-rail-system
AU2001277166A1 (en) Hydraulic control valve system with pressure compensated flow control
WO2007064651A3 (en) Control circuit for an attachment mounting device
EP1722109A3 (de) Ruckfreies Ventil
WO2003033889A3 (en) Control valve with integrated electro-hydraulic actuator
CA2336265A1 (en) Bidirectional check valve for hydraulic system
BR0308770A (pt) Cabeçote distribuidor montado em uma haste atuadora oca móvel
PL1815174T3 (pl) Zawór mający środki do równoważenia ciśnień z obu stron elementu zaworowego
DE50013504D1 (de) Vorrichtung zur gesteuerten Betätigung eines Schaltorgans eines Ventils, insbesondere eines Containerschaltventils eines Nutzfahrzeugs
EP0949486A3 (de) Zwei-Wege Ventil zum Regulieren und Messen des Durchflusses eines Fluids
AU2002218783A1 (en) Valve
PL1627170T3 (pl) Serwozawór dla systemu próżniowego
AU2002224989A1 (en) Spreading head, particularly for thermoplastic material
AU2001242525A1 (en) Improved hydraulic membrane valve for regulating fluid flow rate
AU2003271531A1 (en) Cylinder for a printing machine
WO2001053696A3 (de) Einspritzeinrichtung und verfahren zum einspritzen von fluid
DE502005011287D1 (de) Druckbalanziertes regelventil und entspannungsstation mit einer gaswege-umschalteinrichtung
EP1284385A3 (de) Hydraulische Ventilvorrichtung
ITBO20030388A1 (it) Metodo e dispositivo di controllo di un gruppo elettroidraulico
DE60142012D1 (de) Schleuse für Vakuumkammer
WO2004062392A3 (en) Pressure release arrangements, in particular for product processing system

Legal Events

Date Code Title Description
8364 No opposition during term of opposition