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EP1197652A3 - Fuel injection valve - Google Patents

Fuel injection valve Download PDF

Info

Publication number
EP1197652A3
EP1197652A3 EP01123519A EP01123519A EP1197652A3 EP 1197652 A3 EP1197652 A3 EP 1197652A3 EP 01123519 A EP01123519 A EP 01123519A EP 01123519 A EP01123519 A EP 01123519A EP 1197652 A3 EP1197652 A3 EP 1197652A3
Authority
EP
European Patent Office
Prior art keywords
sleeve
fuel injection
injection valve
valve
wires
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.)
Granted
Application number
EP01123519A
Other languages
German (de)
French (fr)
Other versions
EP1197652A2 (en
EP1197652B1 (en
Inventor
Guenter Dantes
Detlef Nowak
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 EP1197652A2 publication Critical patent/EP1197652A2/en
Publication of EP1197652A3 publication Critical patent/EP1197652A3/en
Application granted granted Critical
Publication of EP1197652B1 publication Critical patent/EP1197652B1/en
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
    • 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
    • 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
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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

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)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Nozzles (AREA)

Abstract

Ein Brennstoffeinspritzventil (1), insbesondere zum direkten Einspritzen von Brennstoff in einen Brennraum einer Brennkraftmaschine, umfaßt einen Ventilschließkörper (4), der zusammen mit einer Ventilsitzfläche (6), die an einem Ventilsitzkörper (5) ausgebildet ist, einen Dichtsitz bildet, und einem Drallmodul (34), wobei das Drallmodul (34) mehrere, in einer Hülse (44) gegeneinander verdrehte und in der Hülse (44) verstemmte Drähte (42) umfaßt, welche eine Ausnehmung (43) der Hülse (44) so ausfüllen, daß zwischen den Drähten und einer Innenwandung (46) der Hülse (44) wendelförmige Hohlräume (45) ausgebildet sind.

Figure 00000001
A fuel injection valve (1), in particular for the direct injection of fuel into a combustion chamber of an internal combustion engine, comprises a valve closing body (4) which forms a sealing seat together with a valve seat surface (6) which is formed on a valve seat body (5), and one Swirl module (34), the swirl module (34) comprising a plurality of wires (42) which are twisted relative to one another in a sleeve (44) and caulked in the sleeve (44) and which fill a recess (43) in the sleeve (44) such that helical cavities (45) are formed between the wires and an inner wall (46) of the sleeve (44).
Figure 00000001
EP20010123519 2000-10-10 2001-09-29 Fuel injection valve Expired - Lifetime EP1197652B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10050054 2000-10-10
DE2000150054 DE10050054B4 (en) 2000-10-10 2000-10-10 Fuel injector

Publications (3)

Publication Number Publication Date
EP1197652A2 EP1197652A2 (en) 2002-04-17
EP1197652A3 true EP1197652A3 (en) 2002-06-12
EP1197652B1 EP1197652B1 (en) 2005-08-31

Family

ID=7659216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010123519 Expired - Lifetime EP1197652B1 (en) 2000-10-10 2001-09-29 Fuel injection valve

Country Status (3)

Country Link
EP (1) EP1197652B1 (en)
JP (1) JP2002195132A (en)
DE (2) DE10050054B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130256429A1 (en) * 2010-12-20 2013-10-03 Toyota Jidosha Kabushiki Kaisha Fuel injection valve

Citations (4)

* 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
DE19736682A1 (en) * 1997-08-22 1999-02-25 Bosch Gmbh Robert Fuel injector for internal combustion engine
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127234A (en) * 1977-05-16 1978-11-28 The Bendix Corporation Multi orifice structure and method of making same
WO1994006567A1 (en) * 1992-09-15 1994-03-31 Sundholm Goeran Nozzle with helical spring which sets liquid in whirling motion
DE19815789A1 (en) * 1998-04-08 1999-10-14 Bosch Gmbh Robert Fuel injector
DE19904720C2 (en) * 1999-02-05 2003-01-16 Siemens Ag Injector for an injection system of an internal combustion engine

Patent Citations (4)

* 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
DE19736682A1 (en) * 1997-08-22 1999-02-25 Bosch Gmbh Robert Fuel injector for internal combustion engine
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
DE50107266D1 (en) 2005-10-06
JP2002195132A (en) 2002-07-10
EP1197652A2 (en) 2002-04-17
EP1197652B1 (en) 2005-08-31
DE10050054B4 (en) 2005-01-27
DE10050054A1 (en) 2002-04-18

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