ATE321945T1 - COMMON RAIL SYSTEM - Google Patents

COMMON RAIL SYSTEM

Info

Publication number
ATE321945T1
ATE321945T1 AT01971670T AT01971670T ATE321945T1 AT E321945 T1 ATE321945 T1 AT E321945T1 AT 01971670 T AT01971670 T AT 01971670T AT 01971670 T AT01971670 T AT 01971670T AT E321945 T1 ATE321945 T1 AT E321945T1
Authority
AT
Austria
Prior art keywords
valve
common rail
rail system
pressure
fluid
Prior art date
Application number
AT01971670T
Other languages
German (de)
Inventor
Friedrich Boecking
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of ATE321945T1 publication Critical patent/ATE321945T1/en

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)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Fluid-Driven Valves (AREA)
  • Vehicle Body Suspensions (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

Disclosed is a valve which is used to control a fluid, comprising an actuator unit (7) which is used to actuate an axially displaceable valve member (6) with an associated valve closing member (15), cooperating with a valve seat (23) in order to open and close the valve (1) and separating a high pressure area (3) from the valve (1). The fluid to be controlled is located in the high pressure area (3) at a working pressure (p-R). Said working pressure (p-R) and an over pressure occurring in specific circumstances are recorded by the actuator unit (7) which is embodied as a force measuring sensor.Said valve (1) is especially used as a pressure limiting valve in a common rail system.
AT01971670T 2000-09-07 2001-08-29 COMMON RAIL SYSTEM ATE321945T1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE321945T1 true ATE321945T1 (en) 2006-04-15

Family

ID=7655321

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01971670T ATE321945T1 (en) 2000-09-07 2001-08-29 COMMON RAIL SYSTEM

Country Status (6)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216154A1 (en) * 2002-04-12 2003-10-23 Hydraulik Ring Gmbh Pressure relief valve, in particular for high-pressure diesel pumps for injectors in motor vehicles
DE10307816A1 (en) * 2003-02-24 2004-09-02 Robert Bosch Gmbh Fuel injector
DE10333696A1 (en) * 2003-07-24 2005-02-24 Robert Bosch Gmbh Fuel injector
DE10333697A1 (en) 2003-07-24 2005-02-24 Robert Bosch Gmbh Fuel injector
DE10333695A1 (en) * 2003-07-24 2005-03-03 Robert Bosch Gmbh Fuel injector
DE10358864A1 (en) 2003-12-16 2005-07-14 Volkswagen Ag Fuel supply device for an internal combustion engine and method for operating this
DE102007017126A1 (en) * 2007-04-11 2008-10-16 Robert Bosch Gmbh Injection Module
DE102008040629A1 (en) * 2008-07-23 2010-01-28 Robert Bosch Gmbh Method for controlling a fuel injector in the event of overpressure or failure and associated injection system
DE102012204252B3 (en) * 2012-03-19 2013-08-29 Continental Automotive Gmbh Method for operating a pressure-reducing fuel-injection system and fuel-injection system with servo-valve
DE102015205114B4 (en) 2015-03-20 2022-08-04 Volkswagen Aktiengesellschaft Procedure for avoiding excessive system pressures in common rail systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59010904D1 (en) 1990-09-25 2000-05-31 Siemens Ag Arrangement for an adaptive, mechanical tolerance compensation acting in the stroke direction for the displacement transformer of a piezoelectric actuator
JP3740733B2 (en) * 1996-02-13 2006-02-01 いすゞ自動車株式会社 Fuel injection device for internal combustion engine
GB9610819D0 (en) * 1996-05-22 1996-07-31 Lucas Ind Plc Valve arrangement
DE29708369U1 (en) * 1997-05-09 1997-07-10 FEV Motorentechnik GmbH & Co. KG, 52078 Aachen Controllable injection valve for fuel injection on internal combustion engines
JP2000027725A (en) * 1998-07-08 2000-01-25 Isuzu Motors Ltd Common rail type fuel injection device
DE19954023B4 (en) * 1998-11-30 2009-02-26 Denso Corp., Kariya-shi High-pressure fuel injection device
DE19917711C2 (en) * 1999-04-20 2001-06-07 Bosch Gmbh Robert Method and device for controlling an internal combustion engine

Also Published As

Publication number Publication date
DE10044120A1 (en) 2002-04-04
JP2004508494A (en) 2004-03-18
WO2002020976A1 (en) 2002-03-14
EP1317619B1 (en) 2006-03-29
DE50109392D1 (en) 2006-05-18
EP1317619A1 (en) 2003-06-11
CZ20021537A3 (en) 2003-10-15

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee