EP4453390C0 - Brennkraftmaschine und verfahren zum betrieb einer brennkraftmaschine - Google Patents

Brennkraftmaschine und verfahren zum betrieb einer brennkraftmaschine

Info

Publication number
EP4453390C0
EP4453390C0 EP22821291.6A EP22821291A EP4453390C0 EP 4453390 C0 EP4453390 C0 EP 4453390C0 EP 22821291 A EP22821291 A EP 22821291A EP 4453390 C0 EP4453390 C0 EP 4453390C0
Authority
EP
European Patent Office
Prior art keywords
combustion engine
operating
combustion
engine
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP22821291.6A
Other languages
English (en)
French (fr)
Other versions
EP4453390A1 (de
EP4453390B1 (de
Inventor
Christian Karbacher
Andreas Thoelke
Gerulf Pedersen
Ikechukwu Martins Onwuegbulam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP4453390A1 publication Critical patent/EP4453390A1/de
Application granted granted Critical
Publication of EP4453390C0 publication Critical patent/EP4453390C0/de
Publication of EP4453390B1 publication Critical patent/EP4453390B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • 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
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/11—Sensors for variable valve timing
    • F01L2013/111—Camshafts position or phase
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2201/00—Electronic control systems; Apparatus or methods therefor
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • F02D2041/283—Interface circuits between sensors and control unit the sensor directly giving at least one digital reading
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • F02D2041/285—Interface circuits between sensors and control unit the sensor having a signal processing unit external to the engine control unit

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Valve Device For Special Equipments (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
EP22821291.6A 2021-12-21 2022-11-22 Brennkraftmaschine und verfahren zum betrieb einer brennkraftmaschine Active EP4453390B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021134044.6A DE102021134044B3 (de) 2021-12-21 2021-12-21 Brennkraftmaschine und Verfahren zum Betrieb einer Brennkraftmaschine
PCT/DE2022/100873 WO2023116964A1 (de) 2021-12-21 2022-11-22 Brennkraftmaschine und verfahren zum betrieb einer brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP4453390A1 EP4453390A1 (de) 2024-10-30
EP4453390C0 true EP4453390C0 (de) 2025-10-08
EP4453390B1 EP4453390B1 (de) 2025-10-08

Family

ID=84463065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22821291.6A Active EP4453390B1 (de) 2021-12-21 2022-11-22 Brennkraftmaschine und verfahren zum betrieb einer brennkraftmaschine

Country Status (6)

Country Link
US (1) US12497930B2 (de)
EP (1) EP4453390B1 (de)
CN (1) CN118119764A (de)
DE (1) DE102021134044B3 (de)
PL (1) PL4453390T3 (de)
WO (1) WO2023116964A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909194A (en) * 1989-07-20 1990-03-20 Siemens-Bendix Automotive Electronics L.P. Modular position controller for variable valve timing
SE503397C2 (sv) * 1994-09-11 1996-06-03 Mecel Ab Arrangemang och förfarande för ett reglersystem till en förbränningsmotor innefattande ett distribuerat datornät
DE10041448A1 (de) * 2000-08-23 2002-03-07 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE10236507A1 (de) 2002-08-09 2004-02-19 Aft Atlas Fahrzeugtechnik Gmbh Steuereinrichtung zum Verstellen des Drehwinkels einer Nockenwelle
DE10242659A1 (de) 2002-09-13 2004-03-18 Aft Atlas Fahrzeugtechnik Gmbh Steuereinrichtung und Verfahren zum Verstellen des Verhältnisses der Wirkelgeschwindigkeiten zwischen Nocken und Kurbelwelle
DE10259133A1 (de) 2002-12-18 2004-07-01 Aft Atlas Fahrzeugtechnik Gmbh Anordnung zum Verstellen der Drehwinkelrelation zwischen Nockenwelle und Kurbelwelle
DE102005022714A1 (de) 2005-05-18 2006-11-23 Schaeffler Kg Vorrichtung mit einem elektrischen Nockenwellenversteller, einer Steuereinheit und einem zentralen Steuergerät
DE102012219297B4 (de) 2011-11-02 2023-12-28 Schaeffler Technologies AG & Co. KG Verfahren zum Betreiben eines Kraftfahrzeugs
US10184860B2 (en) 2016-04-08 2019-01-22 Infineon Technologies Ag Control system for power train control
DE102019113300B3 (de) 2019-05-20 2020-07-09 Schaeffler Technologies AG & Co. KG Verfahren zum Betrieb eines elektromechanischen Nockenwellenverstellers
DE102019118689A1 (de) 2019-07-10 2021-01-14 Schaeffler Technologies AG & Co. KG Verbrennungsmotor und Verfahren zum Betrieb eines elektromechanischen Nockenwellenverstellers

Also Published As

Publication number Publication date
US20250059929A1 (en) 2025-02-20
PL4453390T3 (pl) 2026-02-02
DE102021134044B3 (de) 2023-03-16
EP4453390A1 (de) 2024-10-30
EP4453390B1 (de) 2025-10-08
WO2023116964A1 (de) 2023-06-29
CN118119764A (zh) 2024-05-31
US12497930B2 (en) 2025-12-16

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