EP3293380B1 - Kühlkreislauf enthaltender verbrennungsmotor und diesen verbrenungsmotor enhaltenden landfahrezeug - Google Patents

Kühlkreislauf enthaltender verbrennungsmotor und diesen verbrenungsmotor enhaltenden landfahrezeug Download PDF

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Publication number
EP3293380B1
EP3293380B1 EP17190664.7A EP17190664A EP3293380B1 EP 3293380 B1 EP3293380 B1 EP 3293380B1 EP 17190664 A EP17190664 A EP 17190664A EP 3293380 B1 EP3293380 B1 EP 3293380B1
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EP
European Patent Office
Prior art keywords
coolant
combustion engine
internal combustion
sensor
engine
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EP17190664.7A
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English (en)
French (fr)
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EP3293380A1 (de
Inventor
Manuel Varwick
Christian Krug
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Iveco Magirus AG
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Iveco Magirus AG
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Publication date
Priority claimed from IT102016000091701A external-priority patent/IT201600091701A1/it
Priority claimed from IT102016000091703A external-priority patent/IT201600091703A1/it
Application filed by Iveco Magirus AG filed Critical Iveco Magirus AG
Publication of EP3293380A1 publication Critical patent/EP3293380A1/de
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14—Indicating devices; Other safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P2003/001—Cooling liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/80—Concentration anti-freeze

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Claims (15)

  1. Verbrennungsmotor (E), umfassend einen Kühlmittelkreislauf (C), in dem Kühlmittel durch eine Pumpe (P) umgewälzt wird und in dem ein PH-Sensor (PHS) so angeordnet ist, dass er dessen PH-Wert erfasst und auf der Grundlage des erfassten PH-Wertes eine Verschlechterung des Kühlmittels signalisiert, die einen Austausch desselben gegen frisches Kühlmittel erfordert, wobei der Verbrennungsmotor dadurch gekennzeichnet wird, dass der PH-Sensor mit einer Steuereinheit wirkverbunden ist, dadurch gekennzeichnet, dass die Steuereinheit ausgeführt ist, um ein von dem PH-Sensor erzeugtes elektrisches Signal zu verwalten und den PH-Wert des Kühlmittels zu berechnen, und so konfiguriert ist, dass sie die Berechnung nur dann ausführt, wenn die Kühlmitteltemperatur unter einem vorgegebenen oberen Schwellenwert liegt.
  2. Motor nach Anspruch 1, wobei die Signalisierung durchgeführt wird, wenn ein solches elektrisches Signal angibt, dass der PH-Wert unter einem vorbestimmten Schwellenwert liegt.
  3. Motor nach einem der Ansprüche 1 oder 2, wobei der PH-Sensor mit einer Steuereinheit wirkverbunden ist, die ausgeführt ist, um den PH-Wert des Kühlmittels zu berechnen, und konfiguriert ist, um die Berechnung auszuführen, wenn der Verbrennungsmotor ausgeschaltet ist.
  4. Motor nach einem der Ansprüche 1 bis 3, wobei der PH-Sensor mit einer Steuereinheit wirkverbunden ist, die ausgeführt ist, um den PH-Wert des Kühlmittels zu berechnen, und konfiguriert ist, um die Berechnung auszuführen, wenn die Zündung ausgeschaltet ist und stillsteht.
  5. Motor nach Anspruch 1, ferner umfassend einen Temperatursensor (TS), der mit dem Kühlmittelkreislauf verbunden ist und/oder einen Drehzahlsensor (SS), der mit einer Kurbelwelle (CS) des Verbrennungsmotors verbunden ist.
  6. Motor nach einem der Ansprüche 1 bis 5, wobei der Kühlmittelkreislauf ferner ein Ausdehnungsgefäß (ET) umfasst und wobei der PH-Sensor (PHS) mit dem Ausdehnungsgefäß gekoppelt ist, so dass zumindest sein Fühlerabschnitt in das Kühlmittel eingetaucht ist.
  7. Motor nach einem der Ansprüche 1 bis 6, wobei die Steuereinheit programmiert ist, um den Motorstart zu verhindern, wenn der pH-Wert des Kühlmittels unter einem vorbestimmten Wert liegt.
  8. Motor nach einem der Ansprüche 1 bis 7, wobei die Steuereinheit ein Motorsteuergerät (ECU) ist.
  9. Verfahren zur Bestimmung eines Kühlmittelwechsels in einem Verbrennungsmotor nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass es den Schritt umfasst, ein von dem PH-Sensor erzeugtes elektrisches Signal zu verwalten und einen PH-Wert des Kühlmittels nur dann zu berechnen, wenn die Kühlmitteltemperatur unter einem vorgegebenen Schwellenwert oder innerhalb eines Temperaturbereichs liegt.
  10. Verfahren nach Anspruch 9, umfassend den Schritt, einen PH-Wert des Kühlmittels nur dann zu berechnen, wenn die Kühlmitteltemperatur unter einem vorbestimmten Schwellenwert oder innerhalb eines Temperaturbereichs liegt und wenn der Verbrennungsmotor abgestellt ist.
  11. Verfahren nach einem der Ansprüche 9 oder 10, umfassend den Schritt, einen PH-Wert des Kühlmittels nur dann zu berechnen, wenn die Kühlmitteltemperatur unter einem vorbestimmten Schwellenwert oder innerhalb eines Temperaturbereichs liegt und die Zündung ausgeschaltet ist und/oder wenn der Verbrennungsmotor stillsteht.
  12. Verfahren nach einem der Ansprüche 9 bis 11, weiter umfassend einen Schritt des Erfassens von PH-Werten und Aufstellens einer linearen Regression durch die PH-Werte, um eine verbleibende Zeit oder einen verbleibenden Bereich bis zur Verschlechterung des Kühlmittels abzuschätzen, und einen nachfolgenden Schritt des Anzeigens einer solchen verbleibenden Zeit oder eines solchen verbleibenden Bereichs bis zur Verschlechterung mittels einer Anzeige.
  13. Fahrzeug (VL) umfassend den Verbrennungsmotor (E) nach einem der Ansprüche 1 bis 8.
  14. Computerprogramm, umfassend Programmcodemittel, eingerichtet, um alle Schritte der Ansprüche 9 bis 12 auszuführen, wenn das Programm auf einem Computer ausgeführt wird.
  15. Computerlesbares Speichermedium, umfassend ein darauf gespeichertes Programm, wobei das computerlesbare Speichermedium Programmcodemittel umfasst, die eingerichtet sind, um alle Schritte der Ansprüche 9 bis 12 auszuführen, wenn das Programm auf einem Computer ausgeführt wird.
EP17190664.7A 2016-09-12 2017-09-12 Kühlkreislauf enthaltender verbrennungsmotor und diesen verbrenungsmotor enhaltenden landfahrezeug Active EP3293380B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102016000091701A IT201600091701A1 (it) 2016-09-12 2016-09-12 Motore a combustione interna comprendente un circuito di refrigerazione e veicolo terrestre comprendente detto motore a combustione interna
IT102016000091703A IT201600091703A1 (it) 2016-09-12 2016-09-12 Motore a combustione interna comprendente un circuito di refrigerazione e veicolo terrestre comprendente detto motore a combustione interna

Publications (2)

Publication Number Publication Date
EP3293380A1 EP3293380A1 (de) 2018-03-14
EP3293380B1 true EP3293380B1 (de) 2021-11-03

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EP17190664.7A Active EP3293380B1 (de) 2016-09-12 2017-09-12 Kühlkreislauf enthaltender verbrennungsmotor und diesen verbrenungsmotor enhaltenden landfahrezeug

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EP (1) EP3293380B1 (de)
ES (1) ES2904587T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3119866A1 (fr) * 2021-02-16 2022-08-19 Valeo Systemes Thermiques Boucle de refroidissement, notamment pour un véhicule automobile, et capteur embarqué sur ladite boucle
WO2023223074A1 (en) * 2022-05-17 2023-11-23 Volvo Truck Corporation Active coolant monitoring and leak mitigation in vehicle cooling systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094757A (en) * 1990-05-24 1992-03-10 Radiator Robot, Inc. Radiator cooling system cleaner/refiner
DE10310051A1 (de) * 2002-03-08 2003-10-30 Denso Corp Vorrichtung und Verfahren zum Erfassen der Ölverschlechterung
US20050034510A1 (en) * 2003-08-12 2005-02-17 Han Charlie Bun Coolant service monitoring system
US20070235458A1 (en) * 2006-04-10 2007-10-11 Mann & Hummel Gmbh Modular liquid reservoir
US9275500B2 (en) * 2013-04-04 2016-03-01 Hyundai Motor Company System and method for detecting the condition of a coolant in a vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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EP3293380A1 (de) 2018-03-14
ES2904587T3 (es) 2022-04-05

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