ITUB20152480A1 - ELECTROMAGNETIC FUEL INJECTOR WITH SPHERICAL OPTURING HEAD IN CERAMIC MATERIAL - Google Patents

ELECTROMAGNETIC FUEL INJECTOR WITH SPHERICAL OPTURING HEAD IN CERAMIC MATERIAL

Info

Publication number
ITUB20152480A1
ITUB20152480A1 ITUB2015A002480A ITUB20152480A ITUB20152480A1 IT UB20152480 A1 ITUB20152480 A1 IT UB20152480A1 IT UB2015A002480 A ITUB2015A002480 A IT UB2015A002480A IT UB20152480 A ITUB20152480 A IT UB20152480A IT UB20152480 A1 ITUB20152480 A1 IT UB20152480A1
Authority
IT
Italy
Prior art keywords
opturing
spherical
head
ceramic material
fuel injector
Prior art date
Application number
ITUB2015A002480A
Other languages
Italian (it)
Inventor
Stefano Petrecchia
Marcello Cristiani
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to ITUB2015A002480A priority Critical patent/ITUB20152480A1/en
Publication of ITUB20152480A1 publication Critical patent/ITUB20152480A1/en

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
    • 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
    • F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
    • F02M51/0617—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature having two or more electromagnets
    • 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
    • F02M61/166—Selection of particular materials
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9007—Ceramic materials
    • 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

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)
ITUB2015A002480A 2015-07-24 2015-07-24 ELECTROMAGNETIC FUEL INJECTOR WITH SPHERICAL OPTURING HEAD IN CERAMIC MATERIAL ITUB20152480A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITUB2015A002480A ITUB20152480A1 (en) 2015-07-24 2015-07-24 ELECTROMAGNETIC FUEL INJECTOR WITH SPHERICAL OPTURING HEAD IN CERAMIC MATERIAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A002480A ITUB20152480A1 (en) 2015-07-24 2015-07-24 ELECTROMAGNETIC FUEL INJECTOR WITH SPHERICAL OPTURING HEAD IN CERAMIC MATERIAL

Publications (1)

Publication Number Publication Date
ITUB20152480A1 true ITUB20152480A1 (en) 2017-01-24

Family

ID=54329935

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUB2015A002480A ITUB20152480A1 (en) 2015-07-24 2015-07-24 ELECTROMAGNETIC FUEL INJECTOR WITH SPHERICAL OPTURING HEAD IN CERAMIC MATERIAL

Country Status (1)

Country Link
IT (1) ITUB20152480A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4418228A1 (en) * 1994-03-24 1995-09-28 Nagel Peter Otto or diesel engine fuel injection valve
DE19503224A1 (en) * 1995-02-02 1996-08-08 Bosch Gmbh Robert Solenoid fuel injector for IC engine
DE10058010A1 (en) * 2000-11-23 2002-05-29 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
EP1619384A2 (en) * 2004-07-23 2006-01-25 Magneti Marelli Powertrain S.p.A. Fuel injector provided with a high flexibility plunger
DE102005061409A1 (en) * 2005-12-22 2007-06-28 Robert Bosch Gmbh Electromagnetic fuel injection valve for vehicles is closed by ball whose top fits against curved section at tip of valve needle
US20070228193A1 (en) * 2006-03-31 2007-10-04 Aisan Kogyo Kabushiki Kaisha Fuel injector
DE102006052817A1 (en) * 2006-11-09 2008-05-15 Robert Bosch Gmbh Fuel injection valve for e.g. direct injection of fuel into combustion chamber of internal combustion engine, has valve seat body and closing body provided with rigidity-reducing element that is designed as recess i.e. circulating groove

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4418228A1 (en) * 1994-03-24 1995-09-28 Nagel Peter Otto or diesel engine fuel injection valve
DE19503224A1 (en) * 1995-02-02 1996-08-08 Bosch Gmbh Robert Solenoid fuel injector for IC engine
DE10058010A1 (en) * 2000-11-23 2002-05-29 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
EP1619384A2 (en) * 2004-07-23 2006-01-25 Magneti Marelli Powertrain S.p.A. Fuel injector provided with a high flexibility plunger
DE102005061409A1 (en) * 2005-12-22 2007-06-28 Robert Bosch Gmbh Electromagnetic fuel injection valve for vehicles is closed by ball whose top fits against curved section at tip of valve needle
US20070228193A1 (en) * 2006-03-31 2007-10-04 Aisan Kogyo Kabushiki Kaisha Fuel injector
DE102006052817A1 (en) * 2006-11-09 2008-05-15 Robert Bosch Gmbh Fuel injection valve for e.g. direct injection of fuel into combustion chamber of internal combustion engine, has valve seat body and closing body provided with rigidity-reducing element that is designed as recess i.e. circulating groove

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