DE69010730T2 - System zur Feststellung der Axialverschiebung einer Stange, insbesondere der Taucher eines elektromagnetischen Brennstoffeinspritzers. - Google Patents

System zur Feststellung der Axialverschiebung einer Stange, insbesondere der Taucher eines elektromagnetischen Brennstoffeinspritzers.

Info

Publication number
DE69010730T2
DE69010730T2 DE69010730T DE69010730T DE69010730T2 DE 69010730 T2 DE69010730 T2 DE 69010730T2 DE 69010730 T DE69010730 T DE 69010730T DE 69010730 T DE69010730 T DE 69010730T DE 69010730 T2 DE69010730 T2 DE 69010730T2
Authority
DE
Germany
Prior art keywords
divers
determining
rod
fuel injector
axial displacement
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
DE69010730T
Other languages
English (en)
Other versions
DE69010730D1 (de
Inventor
Mario Ricco
Vincenzo Damiani
Michele Picciallo
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
Elasis Sistema Ricerca Fiat nel Mezzogiorno SCpA
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 Elasis Sistema Ricerca Fiat nel Mezzogiorno SCpA filed Critical Elasis Sistema Ricerca Fiat nel Mezzogiorno SCpA
Publication of DE69010730D1 publication Critical patent/DE69010730D1/de
Application granted granted Critical
Publication of DE69010730T2 publication Critical patent/DE69010730T2/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/005—Measuring or detecting injection-valve lift, e.g. to determine injection timing
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
DE69010730T 1989-04-12 1990-04-06 System zur Feststellung der Axialverschiebung einer Stange, insbesondere der Taucher eines elektromagnetischen Brennstoffeinspritzers. Expired - Lifetime DE69010730T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8967263A IT1232374B (it) 1989-04-12 1989-04-12 Sistema per la determinazione dello spostamento di un asta nella direzione del suo asse in particolare dell`asta otturatrice mobile di un dispositivo di iniezione del combustibile ad azionamento elettromagnetico

Publications (2)

Publication Number Publication Date
DE69010730D1 DE69010730D1 (de) 1994-08-25
DE69010730T2 true DE69010730T2 (de) 1995-01-05

Family

ID=11300961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010730T Expired - Lifetime DE69010730T2 (de) 1989-04-12 1990-04-06 System zur Feststellung der Axialverschiebung einer Stange, insbesondere der Taucher eines elektromagnetischen Brennstoffeinspritzers.

Country Status (7)

Country Link
US (1) US5005404A (de)
EP (1) EP0392379B1 (de)
JP (1) JP2838724B2 (de)
BR (1) BR9001738A (de)
DE (1) DE69010730T2 (de)
ES (1) ES2060844T3 (de)
IT (1) IT1232374B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738071A (en) * 1991-05-22 1998-04-14 Wolff Controls Corporation Apparatus and method for sensing movement of fuel injector valve
US5747684A (en) * 1996-07-26 1998-05-05 Siemens Automotive Corporation Method and apparatus for accurately determining opening and closing times for automotive fuel injectors
US5895844A (en) * 1997-05-29 1999-04-20 Outboard Marine Corporation Precise fuel flow measurement with modified fluid control valve
GB2340610A (en) * 1998-08-18 2000-02-23 Lucas Ind Plc Needle lift sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2305114A1 (de) * 1973-02-02 1974-08-08 Bosch Gmbh Robert Kraftstoffeinspritzduese fuer brennkraftmaschinen
FR2375461A1 (fr) * 1976-12-22 1978-07-21 Souriau & Cie Capteur de levee d'aiguille d'injecteur
FR2435608A1 (fr) * 1978-09-11 1980-04-04 Monnet Francois Dispositif de controle de la levee de la tige de l'aiguille d'un injecteur
DE3004424A1 (de) * 1980-02-07 1981-08-13 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduesenhalter
JPS57176462A (en) * 1981-04-24 1982-10-29 Toshiba Corp Microcomputer device
DE3326840A1 (de) * 1983-07-26 1985-02-14 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduese fuer brennkraftmaschinen
GB2170605B (en) * 1985-02-06 1988-08-17 Lucas Ind Plc Transducers
JPS61267216A (ja) * 1985-05-20 1986-11-26 オムロン株式会社 近接スイツチ

Also Published As

Publication number Publication date
BR9001738A (pt) 1991-06-04
EP0392379B1 (de) 1994-07-20
IT1232374B (it) 1992-01-28
US5005404A (en) 1991-04-09
DE69010730D1 (de) 1994-08-25
IT8967263A0 (it) 1989-04-12
EP0392379A3 (de) 1991-11-21
JP2838724B2 (ja) 1998-12-16
JPH02306104A (ja) 1990-12-19
ES2060844T3 (es) 1994-12-01
EP0392379A2 (de) 1990-10-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ROBERT BOSCH GMBH, 70469 STUTTGART, DE