DE10050053B4 - Fuel injector - Google Patents

Fuel injector Download PDF

Info

Publication number
DE10050053B4
DE10050053B4 DE2000150053 DE10050053A DE10050053B4 DE 10050053 B4 DE10050053 B4 DE 10050053B4 DE 2000150053 DE2000150053 DE 2000150053 DE 10050053 A DE10050053 A DE 10050053A DE 10050053 B4 DE10050053 B4 DE 10050053B4
Authority
DE
Germany
Prior art keywords
fuel injector
injector
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 - Fee Related
Application number
DE2000150053
Other languages
German (de)
Other versions
DE10050053A1 (en
Inventor
Guenter Dantes
Detlef Nowak
Joerg Heyse
Michael Klaski
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
Priority to DE2000150053 priority Critical patent/DE10050053B4/en
Priority to CZ20021997A priority patent/CZ20021997A3/en
Priority to PCT/DE2001/003847 priority patent/WO2002031350A2/en
Priority to JP2002534697A priority patent/JP2004518052A/en
Priority to EP01986745A priority patent/EP1328719A2/en
Publication of DE10050053A1 publication Critical patent/DE10050053A1/en
Application granted granted Critical
Publication of DE10050053B4 publication Critical patent/DE10050053B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • 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
    • F02M51/0671—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 having an elongated 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
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • 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
    • F02M61/163—Means being injection-valves with helically or spirally shaped grooves
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
DE2000150053 2000-10-10 2000-10-10 Fuel injector Expired - Fee Related DE10050053B4 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2000150053 DE10050053B4 (en) 2000-10-10 2000-10-10 Fuel injector
CZ20021997A CZ20021997A3 (en) 2000-10-10 2001-10-10 Fuel injection valve
PCT/DE2001/003847 WO2002031350A2 (en) 2000-10-10 2001-10-10 Fuel injection valve
JP2002534697A JP2004518052A (en) 2000-10-10 2001-10-10 Fuel injection valve
EP01986745A EP1328719A2 (en) 2000-10-10 2001-10-10 Fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2000150053 DE10050053B4 (en) 2000-10-10 2000-10-10 Fuel injector

Publications (2)

Publication Number Publication Date
DE10050053A1 DE10050053A1 (en) 2002-04-18
DE10050053B4 true DE10050053B4 (en) 2005-04-28

Family

ID=7659215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000150053 Expired - Fee Related DE10050053B4 (en) 2000-10-10 2000-10-10 Fuel injector

Country Status (5)

Country Link
EP (1) EP1328719A2 (en)
JP (1) JP2004518052A (en)
CZ (1) CZ20021997A3 (en)
DE (1) DE10050053B4 (en)
WO (1) WO2002031350A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232049A1 (en) * 2002-07-16 2004-02-05 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
DE10353639A1 (en) † 2003-11-17 2005-06-16 Robert Bosch Gmbh Fuel injector
EP1811166B1 (en) 2006-01-24 2008-11-05 Continental Automotive GmbH Valve assembly for an injection valve and injection valve
US11015559B2 (en) 2018-07-27 2021-05-25 Ford Global Technologies, Llc Multi-hole fuel injector with twisted nozzle holes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487369A (en) * 1982-01-11 1984-12-11 Essex Group, Inc. Electromagnetic fuel injector with improved discharge structure
DE3411331A1 (en) * 1984-03-28 1985-07-25 Daimler-Benz Ag, 7000 Stuttgart Air-compressing, direct injection internal combustion engine with a combustion chamber arranged in the cylinder head
DE3914486A1 (en) * 1989-05-02 1990-11-08 Bosch Gmbh Robert METHOD FOR PRODUCING A VALVE NEEDLE AND VALVE NEEDLE
DE19736682A1 (en) * 1997-08-22 1999-02-25 Bosch Gmbh Robert Fuel injector for internal combustion engine
DE19815789A1 (en) * 1998-04-08 1999-10-14 Bosch Gmbh Robert Fuel injector
DE19906146A1 (en) * 1999-02-13 2000-08-17 Peter Walzel Nozzle for atomizing of fluids, and especially injection of fuels in combustion engines, has flow passage in form of at least two-start screw thread

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125888B (en) * 1982-08-26 1985-10-16 Bosch Gmbh Robert I c engine fuel injection valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487369A (en) * 1982-01-11 1984-12-11 Essex Group, Inc. Electromagnetic fuel injector with improved discharge structure
DE3411331A1 (en) * 1984-03-28 1985-07-25 Daimler-Benz Ag, 7000 Stuttgart Air-compressing, direct injection internal combustion engine with a combustion chamber arranged in the cylinder head
DE3914486A1 (en) * 1989-05-02 1990-11-08 Bosch Gmbh Robert METHOD FOR PRODUCING A VALVE NEEDLE AND VALVE NEEDLE
DE19736682A1 (en) * 1997-08-22 1999-02-25 Bosch Gmbh Robert Fuel injector for internal combustion engine
DE19815789A1 (en) * 1998-04-08 1999-10-14 Bosch Gmbh Robert Fuel injector
DE19906146A1 (en) * 1999-02-13 2000-08-17 Peter Walzel Nozzle for atomizing of fluids, and especially injection of fuels in combustion engines, has flow passage in form of at least two-start screw thread

Also Published As

Publication number Publication date
EP1328719A2 (en) 2003-07-23
CZ20021997A3 (en) 2003-12-17
JP2004518052A (en) 2004-06-17
WO2002031350A3 (en) 2002-07-04
WO2002031350A2 (en) 2002-04-18
DE10050053A1 (en) 2002-04-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8120 Willingness to grant licenses paragraph 23
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee