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DE502005007830D1 - Common rail injector - Google Patents

Common rail injector

Info

Publication number
DE502005007830D1
DE502005007830D1 DE200550007830 DE502005007830T DE502005007830D1 DE 502005007830 D1 DE502005007830 D1 DE 502005007830D1 DE 200550007830 DE200550007830 DE 200550007830 DE 502005007830 T DE502005007830 T DE 502005007830T DE 502005007830 D1 DE502005007830 D1 DE 502005007830D1
Authority
DE
Germany
Prior art keywords
common rail
rail injector
injector
common
rail
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.)
Active
Application number
DE200550007830
Other languages
German (de)
Inventor
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 DE502005007830D1 publication Critical patent/DE502005007830D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive 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
    • 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
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic 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
    • 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
    • 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
    • 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
    • F02M2200/708—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with hydraulic chambers formed by a movable sleeve

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)
DE200550007830 2004-07-30 2005-05-12 Common rail injector Active DE502005007830D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410037125 DE102004037125A1 (en) 2004-07-30 2004-07-30 Common rail injector

Publications (1)

Publication Number Publication Date
DE502005007830D1 true DE502005007830D1 (en) 2009-09-17

Family

ID=34939814

Family Applications (2)

Application Number Title Priority Date Filing Date
DE200410037125 Withdrawn DE102004037125A1 (en) 2004-07-30 2004-07-30 Common rail injector
DE200550007830 Active DE502005007830D1 (en) 2004-07-30 2005-05-12 Common rail injector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE200410037125 Withdrawn DE102004037125A1 (en) 2004-07-30 2004-07-30 Common rail injector

Country Status (2)

Country Link
EP (1) EP1621759B1 (en)
DE (2) DE102004037125A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004062006A1 (en) 2004-12-23 2006-07-13 Robert Bosch Gmbh Fuel injector with directly controlled injection valve member
DE102005007543A1 (en) 2005-02-18 2006-08-24 Robert Bosch Gmbh Fuel injector with direct needle control for an internal combustion engine
DE102005041668B4 (en) * 2005-09-02 2016-03-31 Robert Bosch Gmbh Injector with direct needle control
DE102005059169A1 (en) 2005-12-12 2007-06-14 Robert Bosch Gmbh Fuel injector with directly actuatable injection valve member

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01187363A (en) * 1988-01-21 1989-07-26 Toyota Motor Corp Fuel injection valve for internal combustion engine
AT2545U1 (en) * 1998-01-27 1998-12-28 Avl List Gmbh FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
DE10007175B9 (en) * 2000-02-17 2004-11-04 Siemens Ag Injection valve for injecting fuel into an internal combustion engine
JP2002013453A (en) * 2000-06-29 2002-01-18 Bosch Automotive Systems Corp Accumulation type fuel system
FR2848256B1 (en) * 2002-12-04 2007-03-23 Renault Sa PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM

Also Published As

Publication number Publication date
EP1621759B1 (en) 2009-08-05
EP1621759A1 (en) 2006-02-01
DE102004037125A1 (en) 2006-03-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition