WO2001053696A3 - Einspritzeinrichtung und verfahren zum einspritzen von fluid - Google Patents

Einspritzeinrichtung und verfahren zum einspritzen von fluid Download PDF

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Publication number
WO2001053696A3
WO2001053696A3 PCT/DE2001/000080 DE0100080W WO0153696A3 WO 2001053696 A3 WO2001053696 A3 WO 2001053696A3 DE 0100080 W DE0100080 W DE 0100080W WO 0153696 A3 WO0153696 A3 WO 0153696A3
Authority
WO
WIPO (PCT)
Prior art keywords
valve
actuator
valve arrangement
fluid
operated
Prior art date
Application number
PCT/DE2001/000080
Other languages
English (en)
French (fr)
Other versions
WO2001053696A2 (de
Inventor
Bernd Mahr
Martin Kropp
Hans-Christoph Magel
Original Assignee
Bosch Gmbh Robert
Bernd Mahr
Martin Kropp
Magel Hans Christoph
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
Priority claimed from DE10008268A external-priority patent/DE10008268A1/de
Application filed by Bosch Gmbh Robert, Bernd Mahr, Martin Kropp, Magel Hans Christoph filed Critical Bosch Gmbh Robert
Priority to JP2001553532A priority Critical patent/JP2003520331A/ja
Priority to DE50109811T priority patent/DE50109811D1/de
Priority to EP01911336A priority patent/EP1252436B1/de
Publication of WO2001053696A2 publication Critical patent/WO2001053696A2/de
Publication of WO2001053696A3 publication Critical patent/WO2001053696A3/de

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
    • 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
    • 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
    • F02M57/02—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
    • 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
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • F02M59/468—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means using piezoelectric operating 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
    • 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
    • F02M63/0059—Arrangements of valve actuators
    • F02M63/0061—Single actuator acting on two or more 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
    • 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
    • F02M63/0205—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 for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • F02M63/0215—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 for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by draining or closing fuel conduits
    • 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

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)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Fluid-Driven Valves (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Die Erfindung betrifft eine Einspritzeinrichtung mit einer Einspritzdüse (12), einem Druckverstärker (16) zum Verstärken eines primären Druckes, einer Ventileinrichtung (18, 20) zum Betätigen des Druckverstärkers (16) und einem Stellelement (22) zum Betätigen der Ventileinrichtung (18, 20), wobei die Ventileinrichtung mindestens ein erstes 2/2-Ventil (18) und ein zweites 2/2-Ventil (20) aufweist, welche von dem Stellelement (22) betätigbar sind. Die Erfindung betrifft ferner ein Verfahren zum Einspritzen von Fluid, bei dem ein Stellelement (22) aktiviert wird, eine Ventileinrichtung (18, 20) von dem Stellelement (22) betätigt wird, ein Druckverstärker (16) zum verstärken eines primären Druckes durch die Ventileinrichtung (18, 20) betätigt wird und und eine Einspritzdüse (12) geöffnet wird, wobei ein erstes 2/2-Ventil (18) und ein zweites 2/2-Ventil (20) der Ventileinrichtung von dem Stellelement (22) betätigt werden.
PCT/DE2001/000080 2000-01-20 2001-01-11 Einspritzeinrichtung und verfahren zum einspritzen von fluid WO2001053696A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001553532A JP2003520331A (ja) 2000-01-20 2001-01-11 噴射装置及び、液体を噴射するための方法
DE50109811T DE50109811D1 (de) 2000-01-20 2001-01-11 Einspritzeinrichtung und verfahren zum einspritzen von fluid
EP01911336A EP1252436B1 (de) 2000-01-20 2001-01-11 Einspritzeinrichtung und verfahren zum einspritzen von fluid

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10002272 2000-01-20
DE10002272.3 2000-01-20
DE10008268A DE10008268A1 (de) 2000-01-20 2000-02-23 Einspritzeinrichtung und Verfahren zum Einspritzen von Fluid
DE10008268.8 2000-02-23

Publications (2)

Publication Number Publication Date
WO2001053696A2 WO2001053696A2 (de) 2001-07-26
WO2001053696A3 true WO2001053696A3 (de) 2002-02-14

Family

ID=26003938

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/000080 WO2001053696A2 (de) 2000-01-20 2001-01-11 Einspritzeinrichtung und verfahren zum einspritzen von fluid

Country Status (7)

Country Link
US (1) US20030089802A1 (de)
EP (1) EP1252436B1 (de)
JP (1) JP2003520331A (de)
AT (1) ATE326630T1 (de)
CZ (1) CZ20022394A3 (de)
DE (1) DE50109811D1 (de)
WO (1) WO2001053696A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6568369B1 (en) * 2000-12-05 2003-05-27 Caterpillar Inc Common rail injector with separately controlled pilot and main injection
DE10141110A1 (de) * 2001-08-22 2003-03-20 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
DE10213659A1 (de) * 2002-03-27 2003-10-16 Bosch Gmbh Robert Einspritzeinrichtung und Verfahren zum Einspritzen von Fluid
DE10237585A1 (de) * 2002-08-16 2004-02-26 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10334771A1 (de) * 2003-07-30 2005-02-24 Robert Bosch Gmbh Schaltventil mit Druckausgleich für einen Kraftstoffinjektor mit Druckverstärker
DE102004010760A1 (de) * 2004-03-05 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen mit Nadelhubdämpfung
DE102006062216A1 (de) * 2006-12-22 2008-06-26 Robert Bosch Gmbh Kraftstoffinjektor
US7980224B2 (en) * 2008-02-05 2011-07-19 Caterpillar Inc. Two wire intensified common rail fuel system
DE102010008467A1 (de) * 2010-02-18 2011-08-18 Continental Automotive GmbH, 30165 Hochdruck-Kraftstoff-Einspritzventil für einen Verbrennungsmotor
CN114151255B (zh) * 2021-11-19 2023-02-14 哈尔滨工程大学 电磁阀直驱喷油-增压双作用喷油器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143291A (en) * 1992-03-16 1992-09-01 Navistar International Transportation Corp. Two-stage hydraulic electrically-controlled unit injector
EP0562046A1 (de) * 1991-10-11 1993-09-29 Caterpillar Inc Gedämpfte betätigungs- und ventilanordnung für eine elektronisch-gesteuerte einspritzeinheit.
EP0829640A2 (de) * 1996-08-30 1998-03-18 Caterpillar Inc. Hydraulisch-betätigtes Kraftstoffeinspritzventil mit direkt gesteuerter Ventilnadel
US5967413A (en) * 1998-02-11 1999-10-19 Caterpillar Inc. Damped solenoid actuated valve and fuel injector using same
WO2001029409A1 (de) * 1999-10-22 2001-04-26 Robert Bosch Gmbh Einspritzeinrichtung und verfahren zum einspritzen von fluid

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129254A (en) * 1977-09-12 1978-12-12 General Motors Corporation Electromagnetic unit fuel injector
US4129256A (en) * 1977-09-12 1978-12-12 General Motors Corporation Electromagnetic unit fuel injector
US4185779A (en) * 1978-01-16 1980-01-29 The Bendix Corporation Fuel injector
US4463900A (en) * 1983-01-12 1984-08-07 General Motors Corporation Electromagnetic unit fuel injector
US4527737A (en) * 1983-09-09 1985-07-09 General Motors Corporation Electromagnetic unit fuel injector with differential valve
US4540122A (en) * 1983-10-26 1985-09-10 General Motors Corporation Electromagnetic unit fuel injector with pivotable armature
US4568021A (en) * 1984-04-02 1986-02-04 General Motors Corporation Electromagnetic unit fuel injector
US4618095A (en) * 1985-07-02 1986-10-21 General Motors Corporation Electromagnetic unit fuel injector with port assist spilldown
US5636615A (en) * 1995-02-21 1997-06-10 Diesel Technology Company Fuel pumping and injection systems
US5779149A (en) * 1996-07-02 1998-07-14 Siemens Automotive Corporation Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke
US5893516A (en) * 1996-08-06 1999-04-13 Lucas Industries Plc Injector
US6029628A (en) * 1998-05-07 2000-02-29 Navistar International Transportation Corp. Electric-operated fuel injection having de-coupled supply and drain passages to and from an intensifier piston

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562046A1 (de) * 1991-10-11 1993-09-29 Caterpillar Inc Gedämpfte betätigungs- und ventilanordnung für eine elektronisch-gesteuerte einspritzeinheit.
US5143291A (en) * 1992-03-16 1992-09-01 Navistar International Transportation Corp. Two-stage hydraulic electrically-controlled unit injector
EP0829640A2 (de) * 1996-08-30 1998-03-18 Caterpillar Inc. Hydraulisch-betätigtes Kraftstoffeinspritzventil mit direkt gesteuerter Ventilnadel
US5967413A (en) * 1998-02-11 1999-10-19 Caterpillar Inc. Damped solenoid actuated valve and fuel injector using same
WO2001029409A1 (de) * 1999-10-22 2001-04-26 Robert Bosch Gmbh Einspritzeinrichtung und verfahren zum einspritzen von fluid

Also Published As

Publication number Publication date
JP2003520331A (ja) 2003-07-02
EP1252436B1 (de) 2006-05-17
CZ20022394A3 (en) 2004-03-17
ATE326630T1 (de) 2006-06-15
DE50109811D1 (de) 2006-06-22
EP1252436A2 (de) 2002-10-30
WO2001053696A2 (de) 2001-07-26
US20030089802A1 (en) 2003-05-15

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