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IT202300014409A1 - ELECTROMAGNETIC FUEL INJECTOR WITH TWO COILS CONNECTED IN SERIES - Google Patents

ELECTROMAGNETIC FUEL INJECTOR WITH TWO COILS CONNECTED IN SERIES

Info

Publication number
IT202300014409A1
IT202300014409A1 IT102023000014409A IT202300014409A IT202300014409A1 IT 202300014409 A1 IT202300014409 A1 IT 202300014409A1 IT 102023000014409 A IT102023000014409 A IT 102023000014409A IT 202300014409 A IT202300014409 A IT 202300014409A IT 202300014409 A1 IT202300014409 A1 IT 202300014409A1
Authority
IT
Italy
Prior art keywords
series
fuel injector
coils connected
electromagnetic fuel
coils
Prior art date
Application number
IT102023000014409A
Other languages
Italian (it)
Inventor
Giorgio Signorelli
Michele Petrone
Stefano Petrecchia
Malfa Martina La
Massimo Mattioli
Francesco Zampolli
Nicola Mundo
Luca Mancini
Original Assignee
Marelli Europe 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 Marelli Europe Spa filed Critical Marelli Europe Spa
Priority to IT102023000014409A priority Critical patent/IT202300014409A1/en
Priority to EP24186779.5A priority patent/EP4491865A1/en
Priority to US18/767,217 priority patent/US20250020097A1/en
Priority to JP2024110658A priority patent/JP2025011065A/en
Priority to CN202410922372.3A priority patent/CN119288714A/en
Publication of IT202300014409A1 publication Critical patent/IT202300014409A1/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
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2037—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit for preventing bouncing of the valve needle

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
IT102023000014409A 2023-07-10 2023-07-10 ELECTROMAGNETIC FUEL INJECTOR WITH TWO COILS CONNECTED IN SERIES IT202300014409A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT102023000014409A IT202300014409A1 (en) 2023-07-10 2023-07-10 ELECTROMAGNETIC FUEL INJECTOR WITH TWO COILS CONNECTED IN SERIES
EP24186779.5A EP4491865A1 (en) 2023-07-10 2024-07-05 Electromagnetic fuel injector
US18/767,217 US20250020097A1 (en) 2023-07-10 2024-07-09 Electromagnetic Fuel Injector
JP2024110658A JP2025011065A (en) 2023-07-10 2024-07-10 Electromagnetic fuel injector
CN202410922372.3A CN119288714A (en) 2023-07-10 2024-07-10 Solenoid fuel injectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102023000014409A IT202300014409A1 (en) 2023-07-10 2023-07-10 ELECTROMAGNETIC FUEL INJECTOR WITH TWO COILS CONNECTED IN SERIES

Publications (1)

Publication Number Publication Date
IT202300014409A1 true IT202300014409A1 (en) 2025-01-10

Family

ID=88207786

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102023000014409A IT202300014409A1 (en) 2023-07-10 2023-07-10 ELECTROMAGNETIC FUEL INJECTOR WITH TWO COILS CONNECTED IN SERIES

Country Status (1)

Country Link
IT (1) IT202300014409A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1611384A1 (en) 2003-04-08 2006-01-04 Omega Flex, Inc. Conductive polymer jacket for corrugated tubing
EP2975256A1 (en) * 2014-07-14 2016-01-20 Magneti Marelli S.p.A. Electromagnetic fuel injector with hydraulic braking device
EP3091219A1 (en) * 2015-05-05 2016-11-09 Magneti Marelli S.p.A. Electromagnetic fuel injector with an annular recess arranged in the area of the weld of an extension
DE102015212666A1 (en) * 2015-07-07 2017-01-12 Continental Automotive Gmbh Improved control of a fuel injector during a closing process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1611384A1 (en) 2003-04-08 2006-01-04 Omega Flex, Inc. Conductive polymer jacket for corrugated tubing
EP2975256A1 (en) * 2014-07-14 2016-01-20 Magneti Marelli S.p.A. Electromagnetic fuel injector with hydraulic braking device
EP3091219A1 (en) * 2015-05-05 2016-11-09 Magneti Marelli S.p.A. Electromagnetic fuel injector with an annular recess arranged in the area of the weld of an extension
DE102015212666A1 (en) * 2015-07-07 2017-01-12 Continental Automotive Gmbh Improved control of a fuel injector during a closing process

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