DE50210406D1 - Fuel injector - Google Patents

Fuel injector

Info

Publication number
DE50210406D1
DE50210406D1 DE50210406T DE50210406T DE50210406D1 DE 50210406 D1 DE50210406 D1 DE 50210406D1 DE 50210406 T DE50210406 T DE 50210406T DE 50210406 T DE50210406 T DE 50210406T DE 50210406 D1 DE50210406 D1 DE 50210406D1
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 - Lifetime
Application number
DE50210406T
Other languages
German (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
Application granted granted Critical
Publication of DE50210406D1 publication Critical patent/DE50210406D1/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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • 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
    • 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
    • F02M61/1833—Discharge orifices having changing cross sections, e.g. being divergent
    • 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
    • F02M61/188—Spherical or partly spherical shaped valve member ends
    • 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
    • F02M61/165—Filtering elements specially adapted in fuel inlets to injector

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)
  • Fuel-Injection Apparatus (AREA)
DE50210406T 2001-05-21 2002-05-16 Fuel injector Expired - Lifetime DE50210406D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001124745 DE10124745A1 (en) 2001-05-21 2001-05-21 Fuel injector

Publications (1)

Publication Number Publication Date
DE50210406D1 true DE50210406D1 (en) 2007-08-16

Family

ID=7685600

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2001124745 Withdrawn DE10124745A1 (en) 2001-05-21 2001-05-21 Fuel injector
DE50210406T Expired - Lifetime DE50210406D1 (en) 2001-05-21 2002-05-16 Fuel injector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2001124745 Withdrawn DE10124745A1 (en) 2001-05-21 2001-05-21 Fuel injector

Country Status (2)

Country Link
EP (1) EP1260703B1 (en)
DE (2) DE10124745A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10341790A1 (en) * 2003-09-10 2005-04-21 Bosch Gmbh Robert Fuel injector valve and nozzle for internal combustion engine has electromagnetic coil moving valve needle with spherical end engaging nozzle lining with thickened portions round nozzle bores
DE102008041676A1 (en) * 2008-08-29 2010-03-04 Robert Bosch Gmbh Fuel injector

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB736264A (en) * 1952-09-04 1955-09-07 Daimler Benz Ag Improvements in liquid fuel injection nozzle devices
DE2711350A1 (en) * 1977-03-16 1978-09-21 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR COMBUSTION MACHINES
GB2097471A (en) * 1981-04-23 1982-11-03 Lucas Ind Plc I.C. engine fuel injection nozzle
AT378244B (en) * 1982-12-14 1985-07-10 Steyr Daimler Puch Ag INJECTION NOZZLE FOR AIR COMPRESSING, SELF-IGNITIONING PISTON PISTON COMBUSTION ENGINES
FI88333C (en) * 1991-06-25 1993-04-26 Waertsilae Diesel Int FOERBAETTRAT INSPRUTNINGSVENTILARRANGEMANG FOER BRAENSLE
DE4202387C2 (en) * 1991-11-11 1999-09-09 Bosch Gmbh Robert Valve with a spray opening
DE4222137B4 (en) * 1992-07-06 2006-05-04 Robert Bosch Gmbh Fuel injector for diesel internal combustion engines
US5540200A (en) * 1993-12-28 1996-07-30 Nissan Motor Co., Ltd. Fuel injection valve
US5484108A (en) * 1994-03-31 1996-01-16 Siemens Automotive L.P. Fuel injector having novel multiple orifice disk members
JPH08232813A (en) * 1995-02-27 1996-09-10 Aisan Ind Co Ltd Injector
DE19530995A1 (en) * 1995-08-23 1997-02-27 Bosch Gmbh Robert Fuel injector
JP3329239B2 (en) * 1997-09-05 2002-09-30 トヨタ自動車株式会社 Fuel injection valve
DE19804463B4 (en) 1998-02-05 2006-06-14 Daimlerchrysler Ag Fuel injection system for gasoline engines
DE19847460A1 (en) * 1998-10-15 2000-04-20 Bosch Gmbh Robert Fuel injection valve nozzle with orifice at first converges then diverges to combustion chamber as circular elliptical or slot orifice section.
JP2000291513A (en) * 1999-04-08 2000-10-17 Toyota Motor Corp Diesel engine
DE10056039A1 (en) * 2000-11-11 2002-05-16 Bosch Gmbh Robert Fuel injection valve, for an IC motor, has a disk at the injection openings with a bi-metal or shape memory alloy section which is distorted by a heater to free selected injection openings with the same sealed seat

Also Published As

Publication number Publication date
EP1260703A2 (en) 2002-11-27
DE10124745A1 (en) 2003-03-27
EP1260703A3 (en) 2004-01-28
EP1260703B1 (en) 2007-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition