IT1238517B - PILOTING DEVICE FOR INJECTORS, ESPECIALLY FOR FUEL SUPPLY IN PETROL ENGINES - Google Patents

PILOTING DEVICE FOR INJECTORS, ESPECIALLY FOR FUEL SUPPLY IN PETROL ENGINES

Info

Publication number
IT1238517B
IT1238517B IT67968A IT6796889A IT1238517B IT 1238517 B IT1238517 B IT 1238517B IT 67968 A IT67968 A IT 67968A IT 6796889 A IT6796889 A IT 6796889A IT 1238517 B IT1238517 B IT 1238517B
Authority
IT
Italy
Prior art keywords
injectors
fuel supply
petrol engines
piloting device
piloting
Prior art date
Application number
IT67968A
Other languages
Italian (it)
Other versions
IT8967968A0 (en
IT8967968A1 (en
Inventor
Gianluigi Morello
Marco Diaco
Original Assignee
Marelli Autronica
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 Autronica filed Critical Marelli Autronica
Priority to IT67968A priority Critical patent/IT1238517B/en
Publication of IT8967968A0 publication Critical patent/IT8967968A0/en
Priority to EP19900121007 priority patent/EP0427127A1/en
Publication of IT8967968A1 publication Critical patent/IT8967968A1/en
Application granted granted Critical
Publication of IT1238517B publication Critical patent/IT1238517B/en

Links

Classifications

    • 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
    • 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
    • F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
    • F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
    • 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
    • F02D2041/2031—Control of the current by means of delays or monostable multivibrators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
IT67968A 1989-11-07 1989-11-07 PILOTING DEVICE FOR INJECTORS, ESPECIALLY FOR FUEL SUPPLY IN PETROL ENGINES IT1238517B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT67968A IT1238517B (en) 1989-11-07 1989-11-07 PILOTING DEVICE FOR INJECTORS, ESPECIALLY FOR FUEL SUPPLY IN PETROL ENGINES
EP19900121007 EP0427127A1 (en) 1989-11-07 1990-11-02 A control device for fuel injectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67968A IT1238517B (en) 1989-11-07 1989-11-07 PILOTING DEVICE FOR INJECTORS, ESPECIALLY FOR FUEL SUPPLY IN PETROL ENGINES

Publications (3)

Publication Number Publication Date
IT8967968A0 IT8967968A0 (en) 1989-11-07
IT8967968A1 IT8967968A1 (en) 1991-05-07
IT1238517B true IT1238517B (en) 1993-08-18

Family

ID=11306814

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67968A IT1238517B (en) 1989-11-07 1989-11-07 PILOTING DEVICE FOR INJECTORS, ESPECIALLY FOR FUEL SUPPLY IN PETROL ENGINES

Country Status (2)

Country Link
EP (1) EP0427127A1 (en)
IT (1) IT1238517B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5742797B2 (en) 2012-07-18 2015-07-01 株式会社デンソー Fuel injection control device
SE544931C2 (en) * 2021-05-20 2023-01-10 Scania Cv Ab Method and circuitry for controlling discharge of a solenoid valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US453818A (en) * 1891-06-09 William henry murray
FR2345595A1 (en) * 1976-03-26 1977-10-21 Bosch Gmbh Robert INSTALLATION FOR THE CONTROL, WITH A REGULATED CURRENT, OF ELECTROMAGNETIC MANEUVERS
US4213181A (en) * 1978-06-22 1980-07-15 The Bendix Corporation Energy dissipation circuit for electromagnetic injection
US4631628A (en) * 1983-06-08 1986-12-23 Chrysler Motors Corporation Electronic fuel injector driver circuit
US4536818A (en) * 1984-03-02 1985-08-20 Ford Motor Company Solenoid driver with switching during current decay from initial peak current

Also Published As

Publication number Publication date
IT8967968A0 (en) 1989-11-07
IT8967968A1 (en) 1991-05-07
EP0427127A1 (en) 1991-05-15

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941130