IT1394019B1 - ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC DAMPING - Google Patents

ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC DAMPING

Info

Publication number
IT1394019B1
IT1394019B1 ITBO2009A000274A ITBO20090274A IT1394019B1 IT 1394019 B1 IT1394019 B1 IT 1394019B1 IT BO2009A000274 A ITBO2009A000274 A IT BO2009A000274A IT BO20090274 A ITBO20090274 A IT BO20090274A IT 1394019 B1 IT1394019 B1 IT 1394019B1
Authority
IT
Italy
Prior art keywords
fuel injector
hydraulic damping
electromagnetic fuel
electromagnetic
damping
Prior art date
Application number
ITBO2009A000274A
Other languages
Italian (it)
Inventor
Massimo Mattioli
Romito Tricarico
Luca Mancini
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 ITBO2009A000274A priority Critical patent/IT1394019B1/en
Priority to EP10162035.9A priority patent/EP2249022B1/en
Publication of ITBO20090274A1 publication Critical patent/ITBO20090274A1/en
Application granted granted Critical
Publication of IT1394019B1 publication Critical patent/IT1394019B1/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
    • F02M51/0625—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
    • F02M61/042—The valves being provided with fuel passages
    • 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
ITBO2009A000274A 2009-05-06 2009-05-06 ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC DAMPING IT1394019B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITBO2009A000274A IT1394019B1 (en) 2009-05-06 2009-05-06 ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC DAMPING
EP10162035.9A EP2249022B1 (en) 2009-05-06 2010-05-05 Electromagnetic fuel injector with hydraulic damping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO2009A000274A IT1394019B1 (en) 2009-05-06 2009-05-06 ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC DAMPING

Publications (2)

Publication Number Publication Date
ITBO20090274A1 ITBO20090274A1 (en) 2010-11-07
IT1394019B1 true IT1394019B1 (en) 2012-05-25

Family

ID=41351787

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO2009A000274A IT1394019B1 (en) 2009-05-06 2009-05-06 ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC DAMPING

Country Status (2)

Country Link
EP (1) EP2249022B1 (en)
IT (1) IT1394019B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004056424B4 (en) * 2004-11-23 2016-12-29 Robert Bosch Gmbh Fuel injection valve and method for structuring a magnetic pole piece
JP5537472B2 (en) * 2011-03-10 2014-07-02 日立オートモティブシステムズ株式会社 Fuel injection device
JP2013072298A (en) * 2011-09-27 2013-04-22 Hitachi Automotive Systems Ltd Fuel injection valve
DE102012215448B3 (en) 2012-08-31 2013-12-12 Continental Automotive Gmbh Injector for force injection in an internal combustion engine
DE102014220877B3 (en) * 2014-10-15 2015-12-03 Continental Automotive Gmbh Fuel injection valve
CN104632486B (en) * 2014-12-03 2017-04-05 中国第一汽车股份有限公司无锡油泵油嘴研究所 For the control valve of fuel injector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20040512A1 (en) * 2004-07-23 2004-10-23 Magneti Marelli Powertrain Spa FUEL INJECTOR PROVIDED WITH HIGH FLEXIBILITY NEEDLE
DE102004056424B4 (en) * 2004-11-23 2016-12-29 Robert Bosch Gmbh Fuel injection valve and method for structuring a magnetic pole piece
DE102007004870A1 (en) * 2007-01-31 2008-08-07 Robert Bosch Gmbh Gasoline fuel injection valve for use in motor vehicle, has hollow body with outer side connected with fluid to be controlled to provide counterforce against pretensioning force when fluid pressure deforms body

Also Published As

Publication number Publication date
EP2249022B1 (en) 2015-08-05
EP2249022A1 (en) 2010-11-10
ITBO20090274A1 (en) 2010-11-07

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