EP0019031A1 - Kraftstoffeinspritzdüse für Brennkraftmaschinen - Google Patents

Kraftstoffeinspritzdüse für Brennkraftmaschinen Download PDF

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Publication number
EP0019031A1
EP0019031A1 EP80100149A EP80100149A EP0019031A1 EP 0019031 A1 EP0019031 A1 EP 0019031A1 EP 80100149 A EP80100149 A EP 80100149A EP 80100149 A EP80100149 A EP 80100149A EP 0019031 A1 EP0019031 A1 EP 0019031A1
Authority
EP
European Patent Office
Prior art keywords
injection nozzle
fuel injection
stop
hall
pressure pin
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.)
Withdrawn
Application number
EP80100149A
Other languages
German (de)
English (en)
French (fr)
Inventor
Klaus Dr. Dipl.-Ing. Dobler
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 EP0019031A1 publication Critical patent/EP0019031A1/de
Withdrawn legal-status Critical Current

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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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/20—Fuel-injection apparatus with permanent magnets

Definitions

  • FIG. 1 a fuel injector with a Hall sensor
  • 2 shows a first variant
  • FIG. 3 shows a second variant
  • FIG. 4 shows a third variant in each case in sections
  • Fig. 5 abi sectionally the second embodiment with field plate encoder.
  • the fuel injection nozzle for internal combustion engines in FIG. 1 essentially consists of a nozzle body 10, an axially displaceable valve needle 11 controlling a spray opening 12 therein, an intermediate plate 13 and a nozzle holder 14, which a union nut 15 connects to the nozzle body 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP80100149A 1979-05-22 1980-01-12 Kraftstoffeinspritzdüse für Brennkraftmaschinen Withdrawn EP0019031A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2920669 1979-05-22
DE19792920669 DE2920669A1 (de) 1979-05-22 1979-05-22 Kraftstoffeinspritzduese fuer brennkraftmaschinen

Publications (1)

Publication Number Publication Date
EP0019031A1 true EP0019031A1 (de) 1980-11-26

Family

ID=6071391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80100149A Withdrawn EP0019031A1 (de) 1979-05-22 1980-01-12 Kraftstoffeinspritzdüse für Brennkraftmaschinen

Country Status (4)

Country Link
US (1) US4356979A (enrdf_load_stackoverflow)
EP (1) EP0019031A1 (enrdf_load_stackoverflow)
JP (2) JPS55156251A (enrdf_load_stackoverflow)
DE (1) DE2920669A1 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059733B1 (en) * 1980-09-15 1985-11-27 WOLFF, George D. Needle position sensing system for needle or poppet valve fuel injectors
EP0204380A1 (en) * 1985-06-06 1986-12-10 Volvo Car B.V. Fuel injector
GB2345090A (en) * 1998-12-22 2000-06-28 Caterpillar Inc Determining start of injection and injection delay in a solenoid fuel injector for i.c. engines
CN107469267A (zh) * 2017-09-12 2017-12-15 何汉斌 消防用的紧急逃生通道

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241390A1 (de) * 1981-11-10 1983-05-19 Nippondenso Co., Ltd., Kariya, Aichi Brennstoffeinspritzvorrichtung fuer dieselmotore
US4503417A (en) * 1982-06-14 1985-03-05 Cts Corporation Leak proof position sensor with permanent magnet shaft
JPS5932668A (ja) * 1982-08-17 1984-02-22 Japan Electronic Control Syst Co Ltd 内燃機関の燃料噴射弁リフト検出装置
DE3330771A1 (de) * 1983-08-26 1985-03-14 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzeinrichtung mit hilfspumpe zur vor- und haupteinspritzung
DE3343269C1 (de) * 1983-11-30 1985-04-04 Daimler-Benz Ag, 7000 Stuttgart Vorrichtung zum indirekten beruehrungslosen elektrischen Messen kleiner Wege
AT390651B (de) * 1984-06-13 1990-06-11 Voest Alpine Automotive Einspritzventil mit nadelhubsensor
US4573349A (en) * 1984-06-28 1986-03-04 International Harvester Company Needle position indicator for a fuel injection nozzle holder
US5282570A (en) * 1992-05-12 1994-02-01 General Electric Company Electronically controlled accumulator injector
US5716001A (en) * 1995-08-09 1998-02-10 Siemens Automotive Corporation Flow indicating injector nozzle
US5895844A (en) * 1997-05-29 1999-04-20 Outboard Marine Corporation Precise fuel flow measurement with modified fluid control valve
US6763811B1 (en) * 2003-01-10 2004-07-20 Ronnell Company, Inc. Method and apparatus to enhance combustion of a fuel
US7411386B2 (en) * 2006-07-05 2008-08-12 M.D. Micro Detectors S.P.A. Method for measuring the length variation of a spring, and spring with associated sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB729431A (en) * 1951-09-25 1955-05-04 Leslie Hartridge Apparatus and devices for testing fuel injection pumps and nozzles for internal combustion compression ignition engines
GB754917A (en) * 1953-11-04 1956-08-15 Daimler Benz Ag Apparatus for measuring the movement of valve needles, particularly for fuel injection nozzles of internal combustion engines
US3412602A (en) * 1966-06-27 1968-11-26 Int Harvester Co Timing nozzle for diesel engine
FR2320557A1 (fr) * 1975-08-02 1977-03-04 Lucas Industries Ltd Perfectionnements aux transducteurs detectant le moment ou se produit un mouvement relatif entre deux organes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049635B (de) * 1959-01-29 Daimler-Benz Aktiengesellschaft, Stuttgart-Untertürkheim Vorrichtung zum elektrischen Messen des Hubes von Düsennadeln für Brennstoffeinspritzdüsen von Brennkraftmaschinen
GB1225054A (en) * 1968-02-10 1971-03-17 Rafi Raimund Finsterhoelzel El Limit switch
US3876153A (en) * 1972-11-29 1975-04-08 Vernon D Roosa Fuel injector and method for making same
DE2305114A1 (de) * 1973-02-02 1974-08-08 Bosch Gmbh Robert Kraftstoffeinspritzduese fuer brennkraftmaschinen
IT1050083B (it) * 1974-12-21 1981-03-10 Cav Ltd Ugelli di iniezione di combustibile
US4227402A (en) * 1978-11-14 1980-10-14 Creative Tool Company Combustion monitoring system for fuel injected engines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB729431A (en) * 1951-09-25 1955-05-04 Leslie Hartridge Apparatus and devices for testing fuel injection pumps and nozzles for internal combustion compression ignition engines
GB754917A (en) * 1953-11-04 1956-08-15 Daimler Benz Ag Apparatus for measuring the movement of valve needles, particularly for fuel injection nozzles of internal combustion engines
US3412602A (en) * 1966-06-27 1968-11-26 Int Harvester Co Timing nozzle for diesel engine
FR2320557A1 (fr) * 1975-08-02 1977-03-04 Lucas Industries Ltd Perfectionnements aux transducteurs detectant le moment ou se produit un mouvement relatif entre deux organes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059733B1 (en) * 1980-09-15 1985-11-27 WOLFF, George D. Needle position sensing system for needle or poppet valve fuel injectors
EP0204380A1 (en) * 1985-06-06 1986-12-10 Volvo Car B.V. Fuel injector
GB2345090A (en) * 1998-12-22 2000-06-28 Caterpillar Inc Determining start of injection and injection delay in a solenoid fuel injector for i.c. engines
CN107469267A (zh) * 2017-09-12 2017-12-15 何汉斌 消防用的紧急逃生通道

Also Published As

Publication number Publication date
US4356979A (en) 1982-11-02
DE2920669A1 (de) 1980-12-04
JPS55156251A (en) 1980-12-05
JPH0315030B2 (enrdf_load_stackoverflow) 1991-02-28
JPH02548B2 (enrdf_load_stackoverflow) 1990-01-08
JPS6477749A (en) 1989-03-23
DE2920669C2 (enrdf_load_stackoverflow) 1990-04-12

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed
AK Designated contracting states

Designated state(s): DE FR GB IT SE

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Withdrawal date: 19821208

RIN1 Information on inventor provided before grant (corrected)

Inventor name: DOBLER, KLAUS, DR. DIPL.-ING.