DE69104880T2 - Kraftstoffeinspritzdüse und Verfahren zum Entlasten von Spannungskonzentration in einer Einspritzdüsenbohrung. - Google Patents

Kraftstoffeinspritzdüse und Verfahren zum Entlasten von Spannungskonzentration in einer Einspritzdüsenbohrung.

Info

Publication number
DE69104880T2
DE69104880T2 DE69104880T DE69104880T DE69104880T2 DE 69104880 T2 DE69104880 T2 DE 69104880T2 DE 69104880 T DE69104880 T DE 69104880T DE 69104880 T DE69104880 T DE 69104880T DE 69104880 T2 DE69104880 T2 DE 69104880T2
Authority
DE
Germany
Prior art keywords
injector
stress concentration
relieving stress
bore
fuel injector
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
DE69104880T
Other languages
English (en)
Other versions
DE69104880D1 (de
Inventor
David M Rix
Christine Marie Yingling
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.)
Cummins Inc
Original Assignee
Cummins Engine Co Inc
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 Cummins Engine Co Inc filed Critical Cummins Engine Co Inc
Publication of DE69104880D1 publication Critical patent/DE69104880D1/de
Application granted granted Critical
Publication of DE69104880T2 publication Critical patent/DE69104880T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/14—Making holes
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/008—Arrangement of fuel passages inside of 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
    • 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
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • 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
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • F02M57/024—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical with hydraulic link for varying the piston stroke
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/32—Varying fuel delivery in quantity or timing fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • 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
    • 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
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE69104880T 1990-03-29 1991-03-28 Kraftstoffeinspritzdüse und Verfahren zum Entlasten von Spannungskonzentration in einer Einspritzdüsenbohrung. Expired - Lifetime DE69104880T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/501,023 US5192026A (en) 1990-03-29 1990-03-29 Fuel injectors and methods for making fuel injectors

Publications (2)

Publication Number Publication Date
DE69104880D1 DE69104880D1 (de) 1994-12-08
DE69104880T2 true DE69104880T2 (de) 1995-03-16

Family

ID=23991843

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104880T Expired - Lifetime DE69104880T2 (de) 1990-03-29 1991-03-28 Kraftstoffeinspritzdüse und Verfahren zum Entlasten von Spannungskonzentration in einer Einspritzdüsenbohrung.

Country Status (4)

Country Link
US (1) US5192026A (de)
EP (1) EP0449662B1 (de)
JP (1) JP2539551B2 (de)
DE (1) DE69104880T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010022909A1 (de) * 2010-06-07 2011-12-08 Continental Automotive Gmbh Kraftstoffinjektor mit Kanalanordnung
DE102016122785A1 (de) * 2016-11-25 2018-05-30 Stoba Sondermaschinen Gmbh Verfahren zum Herstellen einer Brennstoff- oder Hydraulikmittelleiteinheit mittels kombinatorischem ECM-Bearbeitens und Laserbohrens

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* Cited by examiner, † Cited by third party
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GB2285096B (en) * 1993-12-27 1997-12-03 Caterpillar Inc Method of operating a high-pressure apparatus such as a fuel injector
GB2296039A (en) * 1994-12-16 1996-06-19 Perkins Ltd Stress reduction at a high pressure fluid passage junction
GB2322819B (en) 1997-03-03 2000-12-13 Usui Kokusi Sangyo Kaisha Ltd Method for improving fatique strength due to repeated pressure at branch hole part in member for high pressure fluid.
US6126208A (en) * 1997-03-03 2000-10-03 Usui Kokusai Sangyo Kaisha Limited Common rail and method of manufacturing the same
GB2322920B (en) 1997-03-03 2002-02-27 Usui Kokusi Sangyo Kaisha Ltd Common rail and method of manufacturing the same
JP3352350B2 (ja) * 1997-03-04 2002-12-03 臼井国際産業株式会社 コモンレール
US5984208A (en) * 1997-11-03 1999-11-16 Caterpillar Inc. Fuel injector having a press-in valve seat
US6263862B1 (en) 1998-03-02 2001-07-24 Usui Kokusai Sangyo Kaisha Limited Common rail and method of manufacturing the same
DE19843953A1 (de) * 1998-09-24 2000-03-30 Siemens Ag Kraftstoffeinspritzventil für eine Brennkraftmaschine
DE19949963A1 (de) * 1999-10-16 2001-04-26 Bosch Gmbh Robert Verfahren zum Herstellen eines Kraftstoffhochdruckspeichers
DE19949962A1 (de) * 1999-10-16 2001-04-26 Bosch Gmbh Robert Kraftstoffhochdruckspeicher und Verfahren zur Herstellung eines Kraftstoffhochdruckspeichers
JP3525883B2 (ja) 1999-12-28 2004-05-10 株式会社デンソー 燃料噴射ポンプ
DE10022378A1 (de) * 2000-05-08 2001-11-22 Bosch Gmbh Robert Hochdruckfester Injektorkörper
JP4189714B2 (ja) 2000-08-03 2008-12-03 株式会社デンソー 燃料噴射装置
JP4035809B2 (ja) * 2001-07-16 2008-01-23 ボッシュ株式会社 燃料噴射弁における高圧送油路交差部の応力低減構造
DE10152230A1 (de) * 2001-10-20 2003-04-30 Bosch Gmbh Robert Hochdruckfester Injektorkörper
US20050017087A1 (en) * 2002-11-19 2005-01-27 Brent Brower Conduit intersection for high pressure fluid flow
SE0203538L (sv) * 2002-11-27 2004-05-28 Volvo Technology Corp Katalysatorenhet för reducering av NOx-föreningar
AT500774B8 (de) * 2004-08-06 2007-02-15 Bosch Gmbh Robert Vorrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine
DE102004044137A1 (de) * 2004-09-13 2006-03-30 Robert Bosch Gmbh Injektor mit Einrichtung zur Verhinderung von Schmutzablagerungen innerhalb des Injektors
GB0602742D0 (en) * 2005-06-06 2006-03-22 Delphi Tech Inc Machining method
ATE422615T1 (de) * 2006-11-27 2009-02-15 Delphi Tech Inc Gehäuse mit sich überschneidenden durchgängen
DE102008035356A1 (de) * 2008-07-29 2010-02-04 Robert Bosch Gmbh Ventilgehäuse
EP2320084B1 (de) * 2009-11-06 2012-09-12 Delphi Technologies Holding S.à.r.l. Gehäuse mit sich überschneidenden Durchgängen für Hochdruck-Flüssigkeitsanwendungen
EP2808532B1 (de) * 2013-05-30 2017-08-16 Delphi International Operations Luxembourg S.à r.l. Kraftstoffeinspritzer

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GB762684A (en) * 1954-01-20 1956-12-05 David William Edgar Kyle Improvements in and relating to liquid fuel injection equipment for internal combustion engines
US3511442A (en) * 1968-02-29 1970-05-12 Ambac Ind Sumpless fuel injection nozzle
DE2649995C3 (de) * 1976-10-30 1980-10-23 J.M. Voith Gmbh, 7920 Heidenheim Lochwalze für Papiermaschinen
IT1192336B (it) * 1978-10-30 1988-03-31 Fiat Spa Utensile ad elettrodo per lavorazioni ad asportazione elettrochimica
JPS55104763U (de) * 1979-01-18 1980-07-22
DE3119050A1 (de) * 1981-05-05 1982-11-18 Gebrüder Sulzer AG, 8401 Winterthur "brennstoffeinspritzvorrichtung mit elektromagnetisch betaetigtem umschaltventil"
DE3429471A1 (de) * 1984-08-10 1986-02-13 L'Orange GmbH, 7000 Stuttgart Kraftstoffeinspritzvorrichtung fuer eine brennkraftmaschine
DE3531761A1 (de) * 1985-09-06 1987-03-12 Kloeckner Humboldt Deutz Ag Verfahren und vorrichtung zur herstellung einer gekruemmten bohrung
JPS62159765A (ja) * 1986-01-09 1987-07-15 Nissan Motor Co Ltd 燃料噴射ノズル
JPH01187363A (ja) * 1988-01-21 1989-07-26 Toyota Motor Corp 内燃機関用燃料噴射弁
DE3811885C2 (de) * 1988-04-09 1994-10-06 Daimler Benz Ag Kraftstoffeinspritzvorrichtung mit Vor- und Haupteinspritzung für eine Brennkraftmaschine, insbesondere solche mit Luftverdichtung und Selbstzündung
EP0363142A1 (de) * 1988-10-04 1990-04-11 LUCAS INDUSTRIES public limited company Brennstoffeinspritzdüsen für Brennkraftmaschinen
GB8907252D0 (en) * 1989-03-31 1989-05-17 Lucas Ind Plc Forming passages in workpieces
GB8924118D0 (en) * 1989-10-26 1989-12-13 Lucas Ind Plc Fuel injection nozzles for internal combustion engines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010022909A1 (de) * 2010-06-07 2011-12-08 Continental Automotive Gmbh Kraftstoffinjektor mit Kanalanordnung
DE102016122785A1 (de) * 2016-11-25 2018-05-30 Stoba Sondermaschinen Gmbh Verfahren zum Herstellen einer Brennstoff- oder Hydraulikmittelleiteinheit mittels kombinatorischem ECM-Bearbeitens und Laserbohrens
DE102016122785B4 (de) 2016-11-25 2022-11-03 Stoba Sondermaschinen Gmbh Verfahren zum Herstellen einer Brennstoff- oder Hydraulikmittelleiteinheit mittels kombinatorischem ECM-Bearbeitens und Laserbohrens

Also Published As

Publication number Publication date
EP0449662B1 (de) 1994-11-02
DE69104880D1 (de) 1994-12-08
US5192026A (en) 1993-03-09
JP2539551B2 (ja) 1996-10-02
JPH0666223A (ja) 1994-03-08
EP0449662A1 (de) 1991-10-02

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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: CUMMINS INC., COLUMBUS, IND., US