DE102017011716A1 - Method for operating a vehicle - Google Patents
Method for operating a vehicle Download PDFInfo
- Publication number
- DE102017011716A1 DE102017011716A1 DE102017011716.0A DE102017011716A DE102017011716A1 DE 102017011716 A1 DE102017011716 A1 DE 102017011716A1 DE 102017011716 A DE102017011716 A DE 102017011716A DE 102017011716 A1 DE102017011716 A1 DE 102017011716A1
- Authority
- DE
- Germany
- Prior art keywords
- vehicle
- internal combustion
- combustion engine
- vehicle user
- operating
- 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.)
- Withdrawn
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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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0215—Electrical pumps
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
- F01P2005/125—Driving auxiliary pumps electrically
-
- 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
- F01P2031/00—Fail safe
- F01P2031/30—Cooling after the engine is stopped
-
- 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
- F01P2070/00—Details
- F01P2070/04—Details using electrical heating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
- F02N11/0807—Remote means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
- F02N11/0811—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop using a timer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/024—Engine oil temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/12—Parameters used for control of starting apparatus said parameters being related to the vehicle exterior
- F02N2200/123—Information about vehicle position, e.g. from navigation systems or GPS signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/30—Control related aspects of engine starting characterised by the use of digital means
- F02N2300/302—Control related aspects of engine starting characterised by the use of digital means using data communication
- F02N2300/306—Control related aspects of engine starting characterised by the use of digital means using data communication with external senders or receivers, e.g. receiving signals from traffic lights, other vehicles or base stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zum Betrieb eines Fahrzeugs (2), wobei vor einem Start einer Verbrennungskraftmaschine (3) des Fahrzeugs (2) mindestens eine Betriebsflüssigkeit der Verbrennungskraftmaschine (3) mittels eines Heizelementes (4) erwärmt wird.Erfindungsgemäß wird ein Erwärmungsstartzeitpunkt mittels mindestens eines Anwendungsprogramms (9) mindestens eines fahrzeugexternen Nutzerendgeräts (8) eines Fahrzeugnutzers vorgegeben, wobei mindestens ein elektronischer Terminkalender (10) des Fahrzeugnutzers und/oder ein Regelfahrverhalten (11) des Fahrzeugnutzers berücksichtigt werden/wird.The invention relates to a method for operating a vehicle (2), wherein before a start of an internal combustion engine (3) of the vehicle (2) at least one operating fluid of the internal combustion engine (3) by means of a heating element (4) is heated. According to the invention, a heating start time by means of at least an application program (9) of at least one vehicle user terminal (8) of a vehicle user specified, wherein at least one electronic diary (10) of the vehicle user and / or a control driving behavior (11) of the vehicle user is taken into account / is.
Description
Die Erfindung betrifft ein Verfahren zum Betrieb eines Fahrzeugs nach den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a method for operating a vehicle according to the features of the preamble of
Aus dem Stand der Technik sind, wie in der
Der Erfindung liegt die Aufgabe zu Grunde, ein gegenüber dem Stand der Technik verbessertes Verfahren zum Betrieb eines Fahrzeugs anzugeben.The invention is based on the object to provide a comparison with the prior art improved method for operating a vehicle.
Die Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren zum Betrieb eines Fahrzeugs mit den Merkmalen des Anspruchs 1.The object is achieved by a method for operating a vehicle having the features of
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
In einem Verfahren zum Betrieb eines Fahrzeugs wird vor einem Start einer Verbrennungskraftmaschine des Fahrzeugs mindestens eine Betriebsflüssigkeit der Verbrennungskraftmaschine mittels eines Heizelementes erwärmt.In a method for operating a vehicle, before starting an internal combustion engine of the vehicle, at least one operating fluid of the internal combustion engine is heated by means of a heating element.
Erfindungsgemäß wird ein Erwärmungsstartzeitpunkt mittels mindestens eines Anwendungsprogramms mindestens eines fahrzeugexternen Nutzerendgeräts eines Fahrzeugnutzers vorgegeben, wobei mindestens ein elektronischer Terminkalender des Fahrzeugnutzers und/oder ein Regelfahrverhalten des Fahrzeugnutzers berücksichtigt werden/wird. Das fahrzeugexterne Nutzerendgerät ist insbesondere ein mobiles fahrzeugexternes Nutzerendgerät, insbesondere ein Mobiltelefon, insbesondere ein so genanntes Smartphone. Das Anwendungsprogramm wird auch als App oder Application Software, bei einem Mobiltelefon auch als Mobile App, bezeichnet.According to the invention, a heating start time is predetermined by means of at least one application program of at least one vehicle user user terminal of a vehicle user, whereby at least one electronic schedule of the vehicle user and / or one control driving behavior of the vehicle user is taken into account. The vehicle-external user terminal is in particular a mobile vehicle-external user terminal, in particular a mobile phone, in particular a so-called smartphone. The application program is also referred to as an app or application software, in a mobile phone as a mobile app.
Verbrennungskraftmaschinen, insbesondere Verbrennungsmotoren, weisen in einem kalten Zustand, d. h. insbesondere nach einem Kaltstart, und/oder bei einer kalten Umgebungstemperatur eine höhere Reibung und dadurch einen höheren Kraftstoffverbrauch und höhere Abgasemissionen auf, insbesondere höhere Kohlenstoffdioxidemissionen. Mittels des erfindungsgemäßen Verfahrens wird dies vermieden oder zumindest reduziert, denn die Verbrennungskraftmaschine wird bereits bei Motorstillstand, insbesondere auch bei geparktem Fahrzeug, erwärmt, insbesondere konditioniert, indem deren mindestens eine Betriebsflüssigkeit erwärmt wird.Internal combustion engines, in particular internal combustion engines, exhibit in a cold state, i. H. especially after a cold start, and / or at a cold ambient temperature higher friction and thereby higher fuel consumption and higher exhaust emissions, in particular higher carbon dioxide emissions. By means of the method according to the invention this is avoided or at least reduced because the internal combustion engine is already at engine standstill, especially when parked vehicle, heated, in particular conditioned by the at least one operating fluid is heated.
Vorteilhafterweise erfolgt dies mittels eines elektrisch betriebenen Heizelementes, wobei eine hierfür erforderliche elektrische Energie beispielsweise von einer Batterie des Fahrzeugs, zum Beispiel von einer Traktionsbatterie des als Hybridfahrzeug ausgebildeten Fahrzeugs, und/oder über einen elektrischen Netzanschluss an ein elektrisches Energieversorgungsnetz bereitgestellt wird, insbesondere bei einem so genannten Plug-in-Hybridfahrzeug, auch als Steckdosenhybridfahrzeug oder PHEV (plug-in hybrid electric vehicle) bezeichnet. Ein solches Fahrzeug weist neben der Verbrennungskraftmaschine mindestens eine elektrische Antriebsmaschine auf, wobei eine Traktionsbatterie, welche elektrische Energie für die elektrische Antriebsmaschine bereitstellt, auch über den elektrischen Netzanschluss am elektrischen Energieversorgungsnetz geladen werden kann.Advantageously, this is done by means of an electrically operated heating element, wherein a required electrical energy for example from a battery of the vehicle, for example, from a traction battery of the vehicle designed as a hybrid vehicle, and / or is provided via an electrical power supply to an electrical power grid, especially in a so-called plug-in hybrid vehicle, also referred to as a plug-in hybrid vehicle or PHEV (plug-in hybrid electric vehicle). Such a vehicle has, in addition to the internal combustion engine, at least one electric drive machine, wherein a traction battery, which provides electrical energy for the electric drive machine, can also be charged via the electrical mains connection to the electrical energy supply network.
Dabei wird unter den Begriff des elektrische Heizelements auch ein Energiespeicher subsumiert, der zu einem festlegbaren Zeitpunkt x die Energie freisetzt.In this case, an energy storage is subsumed under the concept of the electric heating element, which releases the energy at a definable time x.
Mittels des erfindungsgemäßen Verfahrens können somit der Kraftstoffverbrauch und die Abgasemissionen, insbesondere Kohlenstoffdioxidemissionen, erheblich reduziert werden. Des Weiteren kann ein Fahrgastraum des Fahrzeugs schneller erwärmt werden, insbesondere bereits vor Fahrtantritt erwärmt werden.Thus, by means of the method according to the invention, the fuel consumption and the exhaust emissions, in particular carbon dioxide emissions, can be considerably reduced. Furthermore, a passenger compartment of the vehicle can be heated more quickly, in particular already heated before starting to drive.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert.Embodiments of the invention are explained in more detail below with reference to drawings.
Dabei zeigen:
-
1 schematisch eine Ausführungsform einer Vorrichtung zur Durchführung eines Verfahrens zum Betrieb eines Fahrzeugs, und -
2 schematisch eine weitere Ausführungsform einer Vorrichtung zur Durchführung eines Verfahrens zum Betrieb eines Fahrzeugs.
-
1 schematically an embodiment of an apparatus for performing a method for operating a vehicle, and -
2 schematically a further embodiment of an apparatus for performing a method for operating a vehicle.
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.Corresponding parts are provided in all figures with the same reference numerals.
Die
Die Vorrichtung
Die Vorrichtung
Eine elektrische Energieversorgung des Heizelements
Ein solches Fahrzeug
Die Vorrichtung
Des Weiteren umfasst die Vorrichtung
Um dies zu ermöglichen, weisen das Fahrzeug
Somit wird durch diese Vorrichtung
Insbesondere ermöglichen es das Nutzerendgerät
Alternativ oder zusätzlich kann, insbesondere als Sonderereignis
Alternativ oder zusätzlich kann beispielsweise vorgesehen sein, dass diese Erwärmung der Verbrennungskraftmaschine
Alternativ oder zusätzlich kann, insbesondere ebenfalls als Sonderereignis
Wie bereits erwähnt, ist es mittels des Verfahrens und der Vorrichtung
Das Regelfahrverhalten
Dadurch kann der Erwärmungsstartzeitpunkt derart vorgegeben werden, dass eine vorgegebene Zeit vor einem voraussichtlichen Fahrtbeginn begonnen wird, die Verbrennungskraftmaschine
Zusätzlich kann diese Vorgabe des Erwärmungsstartzeitpunktes durch die beschriebene Nutzung des elektronischen Terminkalenders
Beispielsweise fragt das Anwendungsprogramm
Der Fahrzeugnutzer hat zweckmäßigerweise die Möglichkeit, einen solchen automatisch vorgegebenen Erwärmungsstartzeitpunkt zu verändern oder zu löschen, um beispielsweise einen unnötigen Betrieb des Heizelementes
Durch das beschriebene Verfahren, d. h. durch die damit erreichte Vorwärmung der Verbrennungskraftmaschine
Des Weiteren wird durch diese Vorkonditionierung, insbesondere durch die auch im Stillstand der Verbrennungskraftmaschine
Zudem kann durch eine Kenntnis des Fahrziels, insbesondere über die Erfassung des Regelfahrverhaltens
Die beschriebene Vorgehensweise ist, alternativ oder zusätzlich, auf analoge Weise auch für ein Getriebe des Fahrzeugs
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Vorrichtungdevice
- 22
- Fahrzeugvehicle
- 33
- VerbrennungskraftmaschineInternal combustion engine
- 44
- Heizelementheating element
- 55
- BetriebsflüssigkeitskreislaufOperating liquid circuit
- 66
- BetriebsflüssigkeitspumpeOperating fluid pump
- 77
- Steuergerätcontrol unit
- 88th
- Nutzerendgerätuser terminal
- 99
- Anwendungsprogrammapplication program
- 1010
- Terminkalenderdiary
- 1111
- RegelfahrverhaltenUsually ride
- 1212
- weiterer Terminkalenderanother appointment calendar
- 1313
- Sonderereignis special event
- KK
- Kommunikationsverbindungcommunication link
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102008038509 A1 [0002]DE 102008038509 A1 [0002]
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017011716.0A DE102017011716A1 (en) | 2017-12-18 | 2017-12-18 | Method for operating a vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017011716.0A DE102017011716A1 (en) | 2017-12-18 | 2017-12-18 | Method for operating a vehicle |
Publications (1)
Publication Number | Publication Date |
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DE102017011716A1 true DE102017011716A1 (en) | 2019-06-19 |
Family
ID=66674297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102017011716.0A Withdrawn DE102017011716A1 (en) | 2017-12-18 | 2017-12-18 | Method for operating a vehicle |
Country Status (1)
Country | Link |
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DE (1) | DE102017011716A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019125346A1 (en) * | 2019-09-20 | 2021-03-25 | Audi Ag | Method for operating a motor vehicle having a drive device and a corresponding motor vehicle |
WO2021083585A1 (en) * | 2019-10-28 | 2021-05-06 | Nidec Gpm Gmbh | Electric coolant pump with heating element |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008038509A1 (en) | 2008-08-20 | 2010-02-25 | Daimler Ag | Internal combustion engine operating method for motor vehicle, involves heating fuel by electrical heating element after starting and during operation of internal combustion engine upto reaching given temperature value of fuel |
-
2017
- 2017-12-18 DE DE102017011716.0A patent/DE102017011716A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008038509A1 (en) | 2008-08-20 | 2010-02-25 | Daimler Ag | Internal combustion engine operating method for motor vehicle, involves heating fuel by electrical heating element after starting and during operation of internal combustion engine upto reaching given temperature value of fuel |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019125346A1 (en) * | 2019-09-20 | 2021-03-25 | Audi Ag | Method for operating a motor vehicle having a drive device and a corresponding motor vehicle |
DE102019125346B4 (en) | 2019-09-20 | 2021-09-02 | Audi Ag | Method for operating a motor vehicle having a drive device and a corresponding motor vehicle |
WO2021083585A1 (en) * | 2019-10-28 | 2021-05-06 | Nidec Gpm Gmbh | Electric coolant pump with heating element |
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R083 | Amendment of/additions to inventor(s) | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |