EP1200728B1 - Brennstoffeinspritzventil - Google Patents

Brennstoffeinspritzventil Download PDF

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Publication number
EP1200728B1
EP1200728B1 EP00949152A EP00949152A EP1200728B1 EP 1200728 B1 EP1200728 B1 EP 1200728B1 EP 00949152 A EP00949152 A EP 00949152A EP 00949152 A EP00949152 A EP 00949152A EP 1200728 B1 EP1200728 B1 EP 1200728B1
Authority
EP
European Patent Office
Prior art keywords
valve
closing body
seat
fuel injection
fuel
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
EP00949152A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1200728A1 (de
Inventor
Joerg Heyse
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 EP1200728A1 publication Critical patent/EP1200728A1/de
Application granted granted Critical
Publication of EP1200728B1 publication Critical patent/EP1200728B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0632—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a spherically or partly spherically shaped armature, e.g. acting as valve body
    • 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
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0667—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature acting as a valve or having a short valve body attached 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve
EP00949152A 1999-07-08 2000-07-07 Brennstoffeinspritzventil Expired - Lifetime EP1200728B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19931822 1999-07-08
DE19931822A DE19931822A1 (de) 1999-07-08 1999-07-08 Brennstoffeinspritzventil
PCT/DE2000/002186 WO2001004486A1 (de) 1999-07-08 2000-07-07 Brennstoffeinspritzventil

Publications (2)

Publication Number Publication Date
EP1200728A1 EP1200728A1 (de) 2002-05-02
EP1200728B1 true EP1200728B1 (de) 2005-10-19

Family

ID=7914077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949152A Expired - Lifetime EP1200728B1 (de) 1999-07-08 2000-07-07 Brennstoffeinspritzventil

Country Status (7)

Country Link
US (1) US7032846B1 (ja)
EP (1) EP1200728B1 (ja)
JP (1) JP2003504550A (ja)
CN (1) CN1158459C (ja)
BR (1) BR0012275A (ja)
DE (2) DE19931822A1 (ja)
WO (1) WO2001004486A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10109611A1 (de) * 2001-02-28 2002-09-05 Bosch Gmbh Robert Brennstoffeinspritzventil
ITBO20040649A1 (it) * 2004-10-20 2005-01-20 Magneti Marelli Powertrain Spa Iniettore di carburante con attuazione elettromagnetica dello spillo
DE102006052817A1 (de) * 2006-11-09 2008-05-15 Robert Bosch Gmbh Brennstoffeinspritzventil
JP4935882B2 (ja) * 2009-03-05 2012-05-23 株式会社デンソー 燃料噴射弁
US20100314470A1 (en) * 2009-06-11 2010-12-16 Stanadyne Corporation Injector having swirl structure downstream of valve seat
EP2354528B1 (en) * 2010-01-15 2012-08-29 Continental Automotive GmbH Valve assembly and injection valve
EP2707592B1 (en) * 2011-05-13 2020-04-22 Andrew E. Meyer Fuel injector
JP6186126B2 (ja) * 2013-01-24 2017-08-23 日立オートモティブシステムズ株式会社 燃料噴射装置
DE102016206996B3 (de) * 2016-04-25 2017-08-31 Continental Automotive Gmbh Schaltventil für ein Kraftstoffeinspritzsystem sowie Kraftstoffhochdruckpumpe
US10927739B2 (en) 2016-12-23 2021-02-23 Cummins Emission Solutions Inc. Injector including swirl device
US10458293B2 (en) * 2017-07-20 2019-10-29 Woodward, Inc. Metering plate for reduction in discharge coefficient variation between gaseous fuel injectors
CN107617519A (zh) * 2017-09-22 2018-01-23 丰汉电子(上海)有限公司 脉冲式离型剂喷涂用电磁喷嘴

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064554C2 (de) 1970-12-30 1982-12-09 Daimler-Benz Ag, 7000 Stuttgart Einrichtung zur Förderung von Hydraulikmengen mit vorgegebenem Druck, z.B. Kraftstoffeinspritzung bei Brennkraftmaschinen
US3982693A (en) * 1976-01-16 1976-09-28 General Motors Corporation Orifice plunger valve fuel injector
DE2755400A1 (de) 1977-12-13 1979-06-21 Bosch Gmbh Robert Kraftstoff-einspritzanlage fuer brennkraftmaschinen, insbesondere fuer schichtlademotoren
DE3843862A1 (de) 1988-12-24 1990-06-28 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
US5341994A (en) * 1993-07-30 1994-08-30 Siemens Automotive L.P. Spoked solenoid armature for an electromechanical valve
US5452574A (en) * 1994-01-14 1995-09-26 Solar Turbines Incorporated Gas turbine engine catalytic and primary combustor arrangement having selective air flow control
US5544816A (en) * 1994-08-18 1996-08-13 Siemens Automotive L.P. Housing for coil of solenoid-operated fuel injector
US5769328A (en) * 1995-12-26 1998-06-23 General Motors Corporation Fuel interconnect for fuel injector
GB9623469D0 (en) * 1996-11-12 1997-01-08 Lucas Ind Plc Injector
US5979803A (en) * 1997-05-09 1999-11-09 Cummins Engine Company Fuel injector with pressure balanced needle valve

Also Published As

Publication number Publication date
DE19931822A1 (de) 2001-01-11
CN1158459C (zh) 2004-07-21
JP2003504550A (ja) 2003-02-04
CN1360663A (zh) 2002-07-24
BR0012275A (pt) 2002-03-12
EP1200728A1 (de) 2002-05-02
DE50011391D1 (de) 2006-03-02
US7032846B1 (en) 2006-04-25
WO2001004486A1 (de) 2001-01-18

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