EP2009256A2 - Dispositif et procédé de chauffage d'au moins un moyen de fonctionnement d'un moteur à combustion interne - Google Patents

Dispositif et procédé de chauffage d'au moins un moyen de fonctionnement d'un moteur à combustion interne Download PDF

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Publication number
EP2009256A2
EP2009256A2 EP08008792A EP08008792A EP2009256A2 EP 2009256 A2 EP2009256 A2 EP 2009256A2 EP 08008792 A EP08008792 A EP 08008792A EP 08008792 A EP08008792 A EP 08008792A EP 2009256 A2 EP2009256 A2 EP 2009256A2
Authority
EP
European Patent Office
Prior art keywords
engine
oil
heat exchanger
coolant
internal combustion
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.)
Granted
Application number
EP08008792A
Other languages
German (de)
English (en)
Other versions
EP2009256A3 (fr
EP2009256B1 (fr
Inventor
Marc-Jochen Schweizer
Feitse Ebus
Lars Hentschel
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP2009256A2 publication Critical patent/EP2009256A2/fr
Publication of EP2009256A3 publication Critical patent/EP2009256A3/fr
Application granted granted Critical
Publication of EP2009256B1 publication Critical patent/EP2009256B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • 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
    • 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
    • F01M5/021—Conditioning lubricant for aiding engine starting, e.g. heating by heating
    • F01M2005/023—Oil sump with partition for facilitating heating of oil during starting
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0025—Oilsumps with heat exchangers

Definitions

  • the invention relates to an arrangement and a method for heating at least one operating means of an internal combustion engine according to the preamble of patent claims 1 and 9, respectively.
  • a device for heating a resource which differs essentially from the aforementioned prior art in that a so-called heating tube through which the operating medium flows is arranged directly in the exhaust pipe.
  • the measures described above can be used to specifically influence the temperature of the engine oil and thus its viscosity, as well as significantly reducing the friction losses in the engine, especially in the starting phase.
  • a greater potential for fuel savings and a reduction of the exhaust gas temperature are recorded, which in turn has an advantageous effect on NO x storage concepts.
  • the DE 103 28 846 B4 finally, discloses an exhaust gas heat exchanger for exchanging heat between a combustion-produced exhaust gas and a coolant.
  • the said exhaust gas heat exchanger in this case comprises at least two housings, which form a coolant channel in which the coolant flows and which is formed into a circular tube shape, and each arranged in the two housings heat exchange cores, with an exhaust passage for guiding an exhaust gas flow, wherein the two housing to a single body are combined so that the longitudinal directions of the housing can be substantially parallel to each other.
  • the exhaust gas heat exchanger should be usable both as a gas cooler and as a heat exchanger within a muffler for the recovery of heat energy from the exhaust gas.
  • the present invention seeks to provide an arrangement for heating at least one operating means of an internal combustion engine, which is further improved in terms of a possible increase in engine temperature levels such that a much faster reaching the engine operating temperature in the engine Cold start is allowed, whereby the fuel consumption, CO 2 emissions and wear can be reduced and the ride comfort in terms of vehicle heating can be improved.
  • the object of the invention is also to provide a corresponding method for heating at least one operating means of an internal combustion engine.
  • the invention is based on the finding that a rapid raising of the engine temperature level can be achieved if, in addition to the engine oil, the coolant in the coolant circuit of the internal combustion engine is simultaneously heated accordingly.
  • the object is therefore achieved by an arrangement for heating at least one operating means of an internal combustion engine, starting from an exhaust system hot combustion gases via at least one bypass line arranged in the oil sump of the oil pan of the engine block of the internal combustion engine and located in the oil sump engine oil first heat exchanger are passed, wherein in the oil pan, at least a second heat exchanger is arranged, which in turn is integrated into a coolant circuit of the internal combustion engine.
  • first and second heat exchangers are designed as separate components and arranged in the oil sump of the oil sump. Accordingly, the heat transfer takes place largely directly from the first heat exchanger or the hot exhaust gas flowing in it to the engine oil and indirectly via said heated engine oil in the oil sump to the coolant of the coolant circuit located within the second heat exchanger.
  • first and second heat exchangers can also advantageously be combined to form a preassembled subassembly and arranged in the oil sump of the oil sump.
  • the assembly of the first and second heat exchangers may be configured such that a certain first part of the outer wall of the first heat exchanger with the engine oil of the oil sump and a certain second part of the outer wall of the first heat exchanger with a certain part of the outer wall of the second heat exchanger in direct Contact is, whereby a heat exchange over the walls of the two heat exchangers is allowed by the hot combustion gas directly to the coolant. Furthermore, there is also a heat exchange with the engine oil surrounding said assembly.
  • first and second heat exchangers may also be integrally formed by partially having a common partition wall, whereby production and assembly thereof are simplified.
  • the invention may be appropriate to arrange within a designed as a hollow body first heat exchanger with at least one input and at least one output for the supplied combustion gases, the coolant flowing through the second heat exchanger with at least one coolant inlet and at least one coolant outlet, so that this hot combustion gases is swept over. Accordingly, engine oil and coolant are largely supplied directly from the hot combustion gas with an increased amount of heat.
  • an adjustable exhaust gas flap arranged in the flow cross-section of the exhaust system has proven to be expedient for the defined admission of the bypass line with hot combustion gases.
  • the exhaust gas flap can advantageously be activated as a function of the operating state of the internal combustion engine and / or of a currently sensed temperature of the engine oil and / or the coolant in the coolant circuit and / or other relevant state variables by means of an electronic control and control unit (ECU).
  • ECU electronice control and control unit
  • the method for heating at least one operating means of an internal combustion engine wherein starting from an exhaust system hot combustion gases are passed through at least one bypass line through a located in the oil sump of the oil pan of the engine block of the internal combustion engine and located in the oil sump engine oil heating first heat exchanger is characterized, characterized that in addition to the engine oil at the same time coolant is heated, which flows within a second arranged in the oil pan heat exchanger of a coolant circuit of the internal combustion engine.
  • the coolant can, on the one hand, be heated indirectly by the hot combustion gases, taking into account the heat exchangers, via the engine oil contained in the oil sump. On the other hand, the coolant can be heated directly from the hot combustion gases, taking into account the heat exchanger.
  • the heat transfer of combustion gases to the operating means in the form of the engine oil and the coolant is adjusted by means of a passage of the combustion gases through the bypass line regulating exhaust flap.
  • the exhaust flap can advantageously be controlled by an electronic control unit (ECU) depending on the current operating state of the internal combustion engine and / or the current temperature of the engine oil and / or the coolant and / or other relevant state variables.
  • ECU electronice control unit
  • Fig. 1 initially very schematically a schematic diagram of an internal combustion engine 1 with an exhaust system 2 and a known coolant circuit 3 in the form of a dual-circuit with thermostatic valves "T1" and “T2, which regulate the flow of the coolant 4 in dependence on the sensed temperature of the same.
  • FIG. 1 can be seen further, are from said exhaust system 2, in particular a known catalyst 8 and an adjoining exhaust pipe 9 shown.
  • a bypass line 10 for diverting the combustion gases 11 to a mounted within an engine block 12 mounted on the oil pan 13 of the internal combustion engine 1 first heat exchanger 14 is connected.
  • the first heat exchanger 14 is in turn disposed within the oil sump 15 of the oil pan 13 and thus allows heating of the engine oil 16 by means of the first heat exchanger 14 flowing hot combustion gases 11 (esp. Fig. 2 to 5 ).
  • an adjustable exhaust flap 17 is arranged in the flow cross section of the exhaust system 2 respectively in the flow cross section of the exhaust pipe 9, which allows the deflection of certain flowing volume fractions of the hot combustion gases 11 in the bypass line 10 ( Fig. 1 ).
  • the exhaust flap 17 is controlled by an electronic control unit (ECU), which in turn receives by means not shown in detail sensors detected input signals 18a-c, for example, the current operating state of the internal combustion engine 1 and / or the current temperature of the engine oil 16 and / or the coolant 4 and / or other relevant state variables, the same with one or more predetermined reference values and in the presence of a certain deviation or a trend of a deviation, a control signal 19 for an unspecified actuator of the exhaust valve 17 in terms of increasing or reducing the passage of hot combustion gases 11 generated by the bypass line 10 therethrough.
  • ECU electronice control unit
  • At least one second heat exchanger 20 with at least one coolant inlet 20a and at least one coolant outlet 20b, which in turn is integrated into the coolant circuit 3 of the internal combustion engine 1, is now arranged within the oil sump 13, whereby a heating of the same advantageously takes place by means of two operating means and accordingly absorbed by the same ratio of more heat energy from the hot combustion gas 11 and the internal combustion engine 1 can be made available.
  • the coolant 4 is heated in addition to the engine oil 16 ( Fig. 1 and 2 ).
  • first and second heat exchangers 14, 20 are formed as separate components and arranged in the oil sump 15 of the oil pan 13, whereby the coolant 4, taking into account the heat exchangers 14, 20 indirectly via the located in the oil pan 13 engine oil 16 from the hot combustion gases 11th is heated.
  • the embodiment according to Fig. 3 differs from the above to the effect that first and second heat exchangers 14, 20 are combined into a pre-assembled assembly and arranged in the oil sump 15 of the oil pan 13 by a certain first part of the outer wall of the first heat exchanger 14 with the engine oil 16 of the oil sump 15 and a certain second part of the outer wall of the first heat exchanger 14 is in direct contact with a certain part of the outer wall of the second heat exchanger 20.
  • the coolant 4 is indirectly heated by means of already heated engine oil 13 and secondly directly by the hot combustion gases 11, taking into account the heat exchangers 14, 20 or their outer walls.
  • Fig. 4 further shows a development of the aforementioned embodiment such that first and second heat exchangers 14, 20 are so to speak integrally formed by the same partially have a common inner partition wall 21, thereby reducing the manufacturing and assembly costs and the heat transfer from the hot combustion gases 11th is improved on the coolant 4.
  • FIG. 1 shows a first heat exchanger 14 designed as a hollow body for the supplied combustion gases 11, in which the coolant-passed second heat exchanger 20 is arranged and swept over by hot combustion gases 11, whereby both the engine oil 16 and the coolant 4, of course taking into account the heat exchangers 14 , 20 itself, a largely exclusive direct heat transfer from the hot combustion gases 11 to the two resources in question can be accomplished.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
EP20080008792 2007-06-29 2008-05-10 Dispositif et procédé de chauffage d'au moins un moyen de fonctionnement d'un moteur à combustion interne Not-in-force EP2009256B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007030463A DE102007030463A1 (de) 2007-06-29 2007-06-29 Anordnung und Verfahren zur Erwärmung zumindest eines Betriebsmittels einer Verbrennungskraftmaschine

Publications (3)

Publication Number Publication Date
EP2009256A2 true EP2009256A2 (fr) 2008-12-31
EP2009256A3 EP2009256A3 (fr) 2010-09-15
EP2009256B1 EP2009256B1 (fr) 2014-01-15

Family

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EP20080008792 Not-in-force EP2009256B1 (fr) 2007-06-29 2008-05-10 Dispositif et procédé de chauffage d'au moins un moyen de fonctionnement d'un moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP2009256B1 (fr)
DE (1) DE102007030463A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936562A1 (fr) * 2008-09-26 2010-04-02 Peugeot Citroen Automobiles Sa Moteur comportant un circuit de lubrification
DE102013013310A1 (de) 2013-08-12 2015-02-12 Mann + Hummel Gmbh Vorrichtung mit einer Ölwanne und einem Ölkühler für eine Brennkraftmaschine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009056161A1 (de) 2009-11-27 2011-06-01 Volkswagen Ag Eine Schmiermittelversorgungseinrichtung für eine Brennkraftmaschine und ein Verfahren zum Betrieb einer solchen Schmiermittelversorgungseinrichtung
DE102010006834B4 (de) * 2010-02-03 2013-12-24 Pierburg Gmbh Brennkraftmaschine
DE102010036773B4 (de) * 2010-07-30 2022-01-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verbrennungsmotor
DE102010055133A1 (de) * 2010-12-18 2012-06-21 GM Global Technology Operations LLC Antriebsaggregat für ein Kraftfahrzeug
DE102012010681B4 (de) * 2012-05-30 2024-03-07 Audi Ag Anordnung zur Temperierung des Schmiermittels einer Brennkraftmaschine
DE102012018795A1 (de) * 2012-09-22 2014-03-27 Volkswagen Aktiengesellschaft Ölversorgungssystem für eine Brennkraftmaschine
CN105781667A (zh) * 2016-02-29 2016-07-20 上海交通大学 冷却液与机油热交换装置
CN105626187A (zh) * 2016-02-29 2016-06-01 上海交通大学 排气余热回收式加热装置
CN105781666A (zh) * 2016-02-29 2016-07-20 上海交通大学 换热式低压排气再循环系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10107018A1 (de) 2001-02-15 2002-09-12 Volkswagen Ag Brennkraftmaschine
WO2002090730A1 (fr) 2001-05-05 2002-11-14 Robert Bosch Gmbh Dispositif permettant de chauffer un agent de propulsion
DE10328846B4 (de) 2002-06-28 2007-02-22 Denso Corp., Kariya Wärmetauscher

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US1536499A (en) * 1923-08-09 1925-05-05 Horvath Geza Oil cooling and heating system
US2122585A (en) * 1937-04-27 1938-07-05 Pollack Paul Heating apparatus for the oil in the crankcase and water in the cooling system of internal combustion engines
DE819334C (de) * 1948-10-02 1951-10-31 Buessing Nutzkraftwagen G M B Vorrichtung zur Waermespeicherung fuer Kraftfahrzeuge unter Verwendung der Abgase des Antriebsmotors
US2916030A (en) * 1957-07-29 1959-12-08 Walter L Hoeth Heater for internal combustion engines
AT372759B (de) * 1977-04-05 1983-11-10 Lenz Hans Peter Dipl Ing Dr Te Fahrzeug-brennkraftmaschine mit einer in zwei kammern unterteilten oelwanne
DE2753716A1 (de) * 1977-12-02 1979-06-07 Daimler Benz Ag Warmluft abgebende heizvorrichtung fuer durch eine brennkraftmaschine angetriebene kraftfahrzeuge
JPS5789811U (fr) * 1980-11-20 1982-06-02
DE3115314C2 (de) * 1981-04-15 1984-10-04 Motorenfabrik Hatz Gmbh & Co Kg, 8399 Ruhstorf Brennkraftmaschine zur Heizwärmeerzeugung
DE8205841U1 (de) * 1982-03-03 1987-06-19 Talkenberg, Ernst, 3320 Salzgitter Anwärmvorrichtung zum Anwärmen eines Verbrennungsmotors
EP0197823A1 (fr) * 1985-03-20 1986-10-15 Valeo Echangeur de chaleur pour véhicule automobile en particulier du type à gaz d'échappement
DE102005046514A1 (de) * 2005-09-29 2007-04-05 Ford Global Technologies, LLC, Dearborn Brennkraftmaschine mit Wärmetauschsystem sowie Verfahren zum Wärmetausch in einer Brennkraftmaschine
DE102005062338A1 (de) * 2005-12-24 2007-06-28 Volkswagen Ag Vorrichtung zur Vorwärmung von Kühlmittel- und Ölkreisläufen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10107018A1 (de) 2001-02-15 2002-09-12 Volkswagen Ag Brennkraftmaschine
WO2002090730A1 (fr) 2001-05-05 2002-11-14 Robert Bosch Gmbh Dispositif permettant de chauffer un agent de propulsion
DE10328846B4 (de) 2002-06-28 2007-02-22 Denso Corp., Kariya Wärmetauscher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936562A1 (fr) * 2008-09-26 2010-04-02 Peugeot Citroen Automobiles Sa Moteur comportant un circuit de lubrification
DE102013013310A1 (de) 2013-08-12 2015-02-12 Mann + Hummel Gmbh Vorrichtung mit einer Ölwanne und einem Ölkühler für eine Brennkraftmaschine
DE102013013310B4 (de) * 2013-08-12 2019-11-14 Mann+Hummel Gmbh Vorrichtung mit einer Ölwanne und einem Ölkühler für eine Brennkraftmaschine

Also Published As

Publication number Publication date
EP2009256A3 (fr) 2010-09-15
EP2009256B1 (fr) 2014-01-15
DE102007030463A1 (de) 2009-01-08

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