IT1022933B - Procedimento e dispositivo per il controllo di valvole di iniezione azionabili elettromagneticamente ad intermittenza per autoveicoli - Google Patents

Procedimento e dispositivo per il controllo di valvole di iniezione azionabili elettromagneticamente ad intermittenza per autoveicoli

Info

Publication number
IT1022933B
IT1022933B IT2849874A IT2849874A IT1022933B IT 1022933 B IT1022933 B IT 1022933B IT 2849874 A IT2849874 A IT 2849874A IT 2849874 A IT2849874 A IT 2849874A IT 1022933 B IT1022933 B IT 1022933B
Authority
IT
Italy
Prior art keywords
procedure
control
motor vehicles
injection valves
operated
Prior art date
Application number
IT2849874A
Other languages
English (en)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of IT1022933B publication Critical patent/IT1022933B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • 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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • 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
    • F02D2041/2055—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit with means for determining actual opening or closing time
    • 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
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/228—Warning displays

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
IT2849874A 1973-10-19 1974-10-16 Procedimento e dispositivo per il controllo di valvole di iniezione azionabili elettromagneticamente ad intermittenza per autoveicoli IT1022933B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732352493 DE2352493A1 (de) 1973-10-19 1973-10-19 Verfahren und einrichtung zur pruefung von elektromagnetisch intermittierend betaetigbaren einspritzventilen

Publications (1)

Publication Number Publication Date
IT1022933B true IT1022933B (it) 1978-04-20

Family

ID=5895885

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2849874A IT1022933B (it) 1973-10-19 1974-10-16 Procedimento e dispositivo per il controllo di valvole di iniezione azionabili elettromagneticamente ad intermittenza per autoveicoli

Country Status (4)

Country Link
JP (1) JPS5066612A (it)
DE (1) DE2352493A1 (it)
FR (1) FR2248457A1 (it)
IT (1) IT1022933B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805175A1 (de) * 1978-02-08 1979-08-09 Bosch Gmbh Robert Einrichtung zum erfassen des spritzbeginns eines einspritzventils
JPS60122253A (ja) * 1983-12-07 1985-06-29 Yanmar Diesel Engine Co Ltd 内燃機関の電子制御装置
JPS62129557A (ja) * 1985-11-30 1987-06-11 Mitsubishi Heavy Ind Ltd 燃料ガス噴射弁作動不良検出装置
DE3609599A1 (de) * 1986-03-21 1987-09-24 Bosch Gmbh Robert Verfahren zur steuerung der entregungszeit von elektromagnetischen einrichtungen, insbesondere von elektromagnetischen ventilen bei brennkraftmaschinen
JPH0317173U (it) * 1989-06-29 1991-02-20
DE19529013C2 (de) * 1995-07-26 1999-09-30 Siemens Ag Verfahren zur Funktionsprüfung eines mechanischen Schaltelementes und Einrichtung zur Durchführung des Verfahrens
US8813723B2 (en) 2011-05-20 2014-08-26 GM Global Technology Operations LLC System and method for detecting a stuck fuel injector
DE102018213623A1 (de) * 2018-08-13 2020-02-13 Lenze Drives Gmbh Frequenzumrichter

Also Published As

Publication number Publication date
FR2248457A1 (en) 1975-05-16
FR2248457B3 (it) 1976-10-22
DE2352493A1 (de) 1975-04-24
JPS5066612A (it) 1975-06-05

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