EP1966473B1 - Wärmeverwaltungsvorrichtung für kraftfahrzeug - Google Patents

Wärmeverwaltungsvorrichtung für kraftfahrzeug Download PDF

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Publication number
EP1966473B1
EP1966473B1 EP06820321A EP06820321A EP1966473B1 EP 1966473 B1 EP1966473 B1 EP 1966473B1 EP 06820321 A EP06820321 A EP 06820321A EP 06820321 A EP06820321 A EP 06820321A EP 1966473 B1 EP1966473 B1 EP 1966473B1
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EP
European Patent Office
Prior art keywords
radiator
main
section
port
temperature
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Not-in-force
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EP06820321A
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English (en)
French (fr)
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EP1966473A1 (de
Inventor
Cédric Rouaud
Robert Yu
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Renault SAS
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Renault SAS
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Publication of EP1966473B1 publication Critical patent/EP1966473B1/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
    • 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
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0443—Combination of units extending one beside or one above the other
    • 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
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/02—Intercooler

Definitions

  • this patent document notably describes interconnection means between the main circuit and the secondary circuit, formed by two 3-way valves and a 4-way valve, which make it possible to integrate the main radiator in the low temperature loop.
  • this patent document proposes to cut the main radiator into two sections. One of the two sections may be used to assist the coolant cooling of the low-power secondary circuit of the engine, and this radiator section will be returned to the high-power main circuit of the engine. The switchover of this section of a cooling loop to the other loop is done through interconnection means formed either of two 4-way valves located on each side of the main radiator, or a single 6-way valve.
  • the present invention provides a simple and compact thermal management device with a single four-way valve system, in particular to use part or all of the main radiator for cooling the liquid of the secondary loop at moderate speed and load. of the engine.
  • the device according to the invention has a high caloric evacuation capacity of the integrated components on the secondary circuit for cooling at low temperature, in particular the EGR / liquid gas radiator, the charge air / liquid radiator, the air conditioning condenser, and / or electrotechnical components in the case of a hybrid vehicle.
  • the thermal management device according to the invention makes it possible to meet the cooling needs of the EGR gases, in particular for high EGR gas rates, and the cooling requirements of the supercharged air for a high thermal power, as in the case of a double supercharging.
  • the main circuit comprises a main thermostat on the first main radiator pipe to cut, in a closed position, and allow, in an open position, the flow of fluid towards the main radiator.
  • the cooling device advantageously comprises a bypass line connecting the first main radiator pipe, upstream of the main thermostat, to a heat recovery thermostat, mounted on the connecting pipe from the first inlet of the second section to the low loop.
  • said thermostat placing in communication the second section with the low temperature loop in an open position, for said operation in degraded mode and in normal mode with reinforced and very reinforced cooling, or the bypass line with the low temperature loop in a closed position, for the recovery of calories in a cold start mode operation and / or in heating mode of the passenger compartment when the engine stops, operation in which the valve system communicates the first channel and the third channel .
  • the device according to the invention thus enables the recovery of calories from the secondary circuit, including radiators RAS and EGR to accelerate the temperature rise of the engine during the cold start of the engine, and the recovery of calories stored in the engine and the coolant for maintaining the heating of the engine cockpit when stopping the engine, as for example, on hybrid vehicles incorporating the Stop and Start function (stopping the engine during a prolonged stop in traffic jam or during a long stop where the driver would remain in the vehicle and would require heating).
  • the main radiator is formed of two separate exchangers each forming a section of the main radiator, each exchanger having two manifolds, each manifold comprises a section inlet, the manifolds provided with the first inputs are for example connected by a tube forming the fluidic communication means.
  • the low temperature loop advantageously incorporates a charge / liquid air radiator, called RAS radiator, and a recirculated / liquid exhaust gas radiator, called EGR radiator.
  • the EGR radiator and / or the radiator RAS comprise upstream downstream with respect to the gaseous flows passing through them, at least one high temperature part, connected to the main circuit, and a low temperature part connected to the secondary circuit. for cooling at two temperature levels of said gas flows.
  • the use of such radiators at two temperature levels allows efficient cooling of the charge air and / or EGR gas, especially in case of high EGR gas recirculation rate, and / or in case of extension of the zone (engine torque regime) for recirculating gases at high speeds and heavy loads. They also allow operation in cold start mode in the absence of bypass line associated with a heat recovery thermostat.
  • the thermal management device comprises two cooling circuits, a first high-temperature cooling circuit, called primary or high temperature 1, at a conventional temperature level of the order of 90 to 100 ° C, a second low temperature cooling circuit, said secondary or low temperature 3, at a relatively low temperature level, of the order of 50 to 60 ° C, and a 4-way valve system, designated by the reference 4, allowing to make communications between the main circuit and the secondary circuit.
  • a first high-temperature cooling circuit called primary or high temperature 1
  • secondary or low temperature 3 at a relatively low temperature level, of the order of 50 to 60 ° C
  • a 4-way valve system designated by the reference 4
  • a main thermostat 17 for example of single-acting wax type or pilot-type, or a main thermostatic valve ground two-way, is interposed on the first radiator pipe 111, to cut in a closed position or allow in a position open the circulation of fluid in the first radiator pipe towards the main radiator, in order to regulate the temperature of the liquid HT.
  • the secondary circuit 3 comprises a secondary low temperature loop 31 which comprises a pipe secondary radiator 311 on which are mounted a secondary radiator or low-temperature radiator 32, and a secondary pump 33, for example electric, for the circulation of the coolant coolant low temperature, said liquid BT.
  • the secondary loop includes a charge air / liquid cooler 34, said RAS exchanger, and an EGR / liquid gas cooler 35, said EGR exchanger, these two exchangers being for example connected in parallel to the low temperature loop downstream of the secondary radiator, as illustrated on the figure 1 .
  • the main radiator 2 consists of a single exchanger cut into a first heat exchange section 21 and a second heat exchange section 22.
  • the first section comprises a first inlet 21a for its connection to the first radiator pipe main 112 and a second input 21b for its connection to the second main radiator pipe.
  • the second section includes a first input 22a for its connection to the low temperature loop and a second input 22b for its connection to one of the channels of the valve system, as described below.
  • the main radiator comprises tubes equipped with cooling fins, a first manifold 23 and a second manifold 24 located at the ends of the tubes.
  • the first manifold is separated into an upper portion 23a, an intermediate portion 23b and a lower portion 23c, by a first and. a second separating bulkhead, respectively 25 and 26.
  • the second box is separated into an upper portion 24a and a lower portion 24b, by a honeycomb partition 27 disposed at the same level as the second partition 26.
  • the 4-way valve system comprises a first channel 41 connected by a connecting pipe 114 to the second main radiator pipe 113, a second channel 42 connected by a pipe 115 connecting to the second inlet 22b of the second radiator section main, a third channel 43 connected to the secondary radiator duct 311 downstream of the secondary pump and the RAS and EGR exchangers, and a fourth channel connected to the low temperature radiator pipe upstream of the secondary pump, the valve system so being interspersed on the low temperature loop through its third and fourth lanes.
  • the first inlet 22a is connected by a connecting pipe 38 to the low temperature loop, upstream of the secondary pump with respect to the direction of fluid flow, between the secondary pump and the valve system.
  • the main radiator comprises a first section with a single pass ( Figure 4A ), its first input being moved to the second manifold, and the first partition 25 above is removed.
  • the radiator 102 with two sections 121 and 122 then comprises a first box 123 separated in two by a bulkhead 126, and a second box 124 separated as previously in two by a honeycomb partition 127, the upper parts 124a and 123b of the second box and the first box, respectively, respectively comprise the first input 121a and the second input 121b of the first section, the lower portions 123c and 124b of the first box and the second box respectively comprise the second input 122b and the first input 122a of the second section.
  • the figure 5 illustrates operation in cold start mode, with heat recovery from the RAS and EGR exchangers.
  • the main thermostat 17, and the heat recovery thermostats 36 and 5 are in the closed position to cut the fluid passage in the first section and the second section of the main radiator and in the secondary radiator, so that the fluid is not cooled by the ambient air, and the valve system communicates the track 41 and the track 42 to connect the secondary radiator pipe downstream of the EGR and RAS exchangers to the second radiator pipe 114 and thus put in communication the two loops.
  • the figure 6 illustrates a cold start mode operation similar to the previous one, with in addition a cooling by the low temperature radiator.
  • the fluid of the low temperature loop can reach a temperature level which exceeds the maximum set temperature for the cooling of the heat exchangers RAS and EGR, the first heat recovery thermostat 36 goes into the open position for that the fluid is cooled in the low temperature radiator before entering the RAS and EGR exchangers.
  • the figure 8 illustrates a normal mode operation at moderate speed and load with a very strong cooling of the secondary circuit, the main thermostat in the closed position.
  • the valve system is controlled to establish the communication between the channels 41 and 43 and between the channels. 43 and 42 and thus pass the liquid BT low temperature loop both in the second section and in the second pass of the first section defined at the intermediate portion 23b of the first manifold.
  • the fluid BT passes through the second section of the main radiator via the connecting pipe 115, and the first section via the connecting pipe 114 and the second radiator pipe 113 connected to the second inlet 21b.
  • the figure 9 illustrates normal mode operation at high speed and load.
  • the entire main radiator should be used for cooling.
  • the valve system 4 communicates between the channels 41 and 42, and between the channels 43 and 44, the two circuits are independent.
  • the main thermostat With the main thermostat in the open position, the fluid HT enters the first section of the main radiator through the first inlet 21a. Part of the fluid arriving in the second box spring from the first section through its second inlet 21b, the other part passes through the second section via the honeycomb partition to emerge through the second inlet 22b.
  • the cooled fluid exiting the first section through the second radiator pipe 113 and exiting the second section through the connecting pipe 115 and the connecting pipe 114 then passes into the engine.
  • the flow of fluid in the low temperature loop, with or without passage in the low temperature radiator is provided by the secondary pump. In this mode, the position of the thermostat 5 does not affect the independence of the two loops.
  • the liquid arriving in the upper part of the second header After stopping the engine, and thus stopping the main pump, the liquid arriving in the upper part of the second header, after having crossed the first exchange section, enters the lower part of the second box via the honeycomb partition, passes through the connecting pipe 38, with its heat recovery thermostat in the open position, then goes into the loop 'low temperature, where it is cooled by the secondary radiator before joining the pipe of radiator 113 via the connecting line 114 for cooling the engine and the turbocharger bearing.
  • the secondary pump can also be used after the engine is shut down to circulate the liquid in the air heater to ensure the thermal comfort of the passenger compartment.
  • the figure 13 represents a simplified embodiment of the device of the figure 1 , in which the bypass line 18 and the thermostat 5 are removed, the second inlet of the second section being simply connected to the low temperature loop by the connecting pipe 38.
  • This device is more economical and simpler, has the same functionalities that the device of the figure 1 , except for maintaining cabin heating mode ( figure 12 ) and two cold start modes ( Figures 5 and 6 ) above.
  • the figure 14 represents an alternative embodiment of the second embodiment in which the EGR and / or RAS exchangers are first cooled with the HT liquid of the high temperature loop, then with the BT liquid of the low temperature loop.
  • the exchangers RAS 134 and EGR 135 are each separated into two parts for cooling its gas flow at two temperature levels.
  • Each exchanger comprises a low temperature portion connected to the secondary circuit via an inlet 134a, 135a and an output 134b, 135b, and a high temperature portion connected to the main circuit via an input 134c, 135c and an output 134d, 135d.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Claims (10)

  1. Wärmeverwaltungsvorrichtung für ein Kraftfahrzeug, das mit einer Wärmekraftmaschine, insbesondere einem aufgeladenen Verbrennungsmotor, ausgestattet ist, mit Folgendem:
    - einem Hochtemperaturhauptkältekreislauf, der eine mit einem Hochtemperaturhauptkühler und Mitteln zur Zirkulation einer Kühlflüssigkeit zwischen dem Hauptkühler und dem Motor versehene Hochtemperaturschleife umfasst, wobei die Wärmeaustauschfläche des Hauptkühlers in mindestens einem ersten Abschnitt mit einem ersten und einem zweiten Einlass für die Zirkulation von Fluid und einem zweiten Abschnitt mit einem ersten Einlass und einem zweiten Einlass für die Zirkulation von Fluid, aufgespalten ist,
    - einem Niedertemperatursekundärkältekreislauf, der eine mit einem Niedertemperatursekundärkühler und Mitteln zur Zirkulation einer Niedertemperaturkühlflüssigkeit versehene Niedertemperaturschleife umfasst, und
    - Verbindungsmitteln, die den Hauptkreislauf und den Sekundärkreislauf miteinander verbinden, wobei die Verbindungsmittel gestatten, die beiden Abschnitte des Hauptkühlers in den Hauptkreislauf zu integrieren oder den ersten Abschnitt in den Hauptkreislauf und den zweiten Abschnitt in den Sekundärkreislauf zu integrieren,
    dadurch gekennzeichnet, dass
    - der erste Einlass (21a, 121a, 221a) und der zweite Einlass (21b, 121b, 221b) des ersten Abschnitts (21, 121, 221) des Hauptkühlers (2) mit einer ersten Leitung (112) des Hauptkühlers bzw. einer zweiten Leitung (113) des Hauptkühlers der Hochtemperaturschleife (11) verbunden sind, wobei der erste Einlass (22a, 122a, 222a) des zweiten Abschnitts (22, 122, 222) mit der Niedertemperaturschleife (31) verbunden und durch Fluidverbindungsmittel (27, 127, 227) an dem ersten Einlass des ersten Abschnitts angeschlossen ist,
    - wobei die Verbindungsmittel ein VierwegeVentilsystem (4) umfassen, das durch einen ersten Weg (41) mit der zweiten Hauptkühlerleitung (113) verbunden ist, durch einen zweiten Weg (42) mit dem zweiten Einlass (22b, 122b, 222b) des zweiten Hauptkühlerabschnitts verbunden ist und durch einen dritten Weg (43) und einen vierten Weg (44) an der Niedertemperaturschleife zwischengeschaltet ist,
    - wobei das Vierwegeventilsystem:
    - in einem normalen Betriebsmodus mit hoher Drehzahl und Belastung einerseits den ersten Weg (41) und den zweiten Weg (42) verbinden kann und andererseits den dritten Weg (43) und den vierten Weg (44) verbinden kann, um den Hauptkreislauf (1) und den Sekundärkreislauf (3) zu trennen, indem der erste und der zweite Abschnitt des Hauptkühlers in die Hochtemperaturschleife integriert werden,
    - in einem normalen Betriebsmodus mit mittlerer Drehzahl und Belastung bei verstärkter Kühlung des Sekundärkreislaufs den dritten Weg und den zweiten Weg verbinden kann, um den zweiten Abschnitt des Hauptkühlers in die Niedertemperaturschleife zu integrieren, und
    - in einem normalen Betriebsmodus mit mittlerer Drehzahl und Belastung bei stark verstärkter Kühlung des Sekundärkreislaufs den dritten Weg mit dem ersten Weg und dem zweiten Weg verbinden kann, um den zweiten Abschnitt und zumindest teilweise den ersten Abschnitt des Hauptkreislaufs in die Niedertemperaturschleife zu integrieren.
  2. Wärmeverwaltungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Ventilsystem (4) in einem Notfunktionsbetriebsmodus den ersten Weg (41) mit dem zweiten und dem dritten Weg (42, 43) verbinden kann, um die Wärmekraftmaschine (9) mit Hilfe des Sekundärkreislaufs (32) zu kühlen.
  3. Wärmeverwaltungsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in einem Kühlbetriebsmodus des Motors das Ventilsystem (4) den ersten Weg (41) und den dritten Weg (43) verbinden kann, um den Motor (9) bei Anhalten des Motors in warmem Zustand zu kühlen.
  4. Wärmeverwaltungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Hauptkreislauf (1) einen Hauptthermostaten (17) an der ersten Leitung (112) des Hauptkühlers aufweist, um die Zirkulation von Fluid in Richtung des Hauptkühlers (2) zu unterbrechen oder zu gestatten.
  5. Wärmeverwaltungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass sie eine Abzweigungsleitung (18) umfasst, die die erste Leitung des Hauptkühlers (112) stromaufwärts des Hauptthermostaten (17) mit einem Wärmerückgewinnungsthermostaten (5), der an der Anschlussleitung (38) des ersten Einlasses (22a) des zweiten Abschnitts (22) an die Niedertemperaturschleife (31) angebracht ist, verbindet, wobei der Thermostat entweder den zweiten Abschnitt (22) mit der Niedertemperaturschleife für den Notfunktionsbetriebsmodus und den normalen Betriebsmodus mit der verstärkten und stark verstärkten Kühlung verbindet, oder die Abzweigungsleitung mit der Niedertemperaturschleife für die Wärmeenergierückgewinnnung in einem Kaltstartbetriebsmodus und/oder einem Modus zur Heizung des Innenraums bei Anhalten des Motors, einem Betrieb, in dem das Ventilsystem (4) den ersten Weg (41) mit dem dritten Weg (43) verbindet, verbindet.
  6. Wärmeverwaltungsvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Niedertemperaturschleife (31) eine Abzweigungsleitung des Niedertemperaturkühlers (37) umfasst, die stromaufwärts des Sekundärkühlers (32) mit einem Wärmerückgewinnungsthermostaten (36) verbunden ist.
  7. Wärmeverwaltungsvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Ventilsystem vier gesteuerte Ventile mit 2 gesteuerten Wegen umfasst: ein erstes Ventil (45), das den ersten und den dritten Weg (41, 43) verbindet, ein zweites Ventil (46), das den zweiten und den dritten Weg (42, 43) verbindet, und ein drittes Ventil (47), das den ersten und den zweiten Weg (41, 42) verbindet, und ein viertes Ventil (48), das den dritten und den vierten Weg (43, 44) verbindet.
  8. Wärmeverwaltungsvorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Hauptkühler (2) aus einem einzigen Tauscher mit einer ersten und einer zweiten Endkammer (23, 24; 123, 124) besteht, wobei der erste und der zweite Abschnitt (21, 22; 121, 122) durch eine dichte Trennwand (26, 126) und eine Wabentrennwand (27, 127) definiert werden, die in der ersten bzw. der zweiten Endkammer positioniert sind, wobei die Wabentrennwand die Fluidverbindungsmittel bildet.
  9. Wärmeverwaltungsvorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Niedertemperaturschleife (31) einen Ladeluft-/Flüssigkeitskühler, den sogenannten RAS-Kühler (34, 134) und einen Kühler für das rückgeführte Abgas/die Flüssigkeit, den sogenannten EGR-Kühler (35, 135) integriert.
  10. Wärmeverwaltungsvorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der EGR-Kühler (135) und/oder der RAS-Kühler (134) in einer stromaufwärts-nach-stromabwärts-Richtung bezüglich des sie durchströmenden Gasstroms mindestens einen Hochtemperaturteil, der mit dem Hauptkreislauf (1) verbunden ist, und einen Niedertemperaturteil, der mit dem Sekundärkreislauf (3) verbunden ist, umfasst bzw. umfassen, um eine Kühlung der Gasströme auf zwei Temperaturniveaus zu erzielen.
EP06820321A 2005-12-28 2006-10-19 Wärmeverwaltungsvorrichtung für kraftfahrzeug Not-in-force EP1966473B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0513426A FR2895450B1 (fr) 2005-12-28 2005-12-28 Disositif de gestion thermique pour vehicule automobile
PCT/FR2006/051065 WO2007074249A1 (fr) 2005-12-28 2006-10-19 Dispositif de gestion thermique pour vehicule automobile

Publications (2)

Publication Number Publication Date
EP1966473A1 EP1966473A1 (de) 2008-09-10
EP1966473B1 true EP1966473B1 (de) 2009-04-01

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EP (1) EP1966473B1 (de)
AT (1) ATE427416T1 (de)
DE (1) DE602006006096D1 (de)
FR (1) FR2895450B1 (de)
WO (1) WO2007074249A1 (de)

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FR2970301A1 (fr) * 2011-01-10 2012-07-13 Eddie Essayem Dispositif de regulation de la temperature d'un moteur de cyclomoteur a refroidissement liquide
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CN106703967B (zh) * 2017-01-06 2022-10-28 吉林大学 基于双冷却回路分体散热器的工程车辆温控系统及方法
FR3079558B1 (fr) * 2018-03-27 2023-11-03 Renault Sas Circuit de refroidissement pour un moteur a combustion interne equipe d'un circuit de recirculation de gaz d'echappement et son procede de commande
FR3090501B1 (fr) * 2018-12-21 2021-04-09 Renault Sas Dispositif de gestion thermique d’un circuit de fluide caloporteur d’un véhicule hybride
RU2707787C1 (ru) * 2019-04-10 2019-11-29 Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" Система охлаждения стационарного двигателя внутреннего сгорания
FR3108563A1 (fr) 2020-03-30 2021-10-01 Renault S.A.S Dispositif de gestion thermique pour un véhicule automobile hybride
FR3109912B1 (fr) 2020-05-05 2022-12-23 Renault Sas Dispositif de gestion thermique pour un véhicule automobile hybride
RU2742158C1 (ru) * 2020-06-30 2021-02-02 Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" Автоматизированная установка для испытания топлив и масел при различных режимах эксплуатации двигателя

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US6006731A (en) * 1997-11-18 1999-12-28 General Motors Corporation Locomotive engine cooling system
DE19854544B4 (de) * 1998-11-26 2004-06-17 Mtu Friedrichshafen Gmbh Kühlsystem für eine aufgeladene Brennkraftmaschine
FR2864150B1 (fr) * 2003-12-22 2006-03-17 Valeo Thermique Moteur Sa Systeme de gestion de l'energie thermique d'un moteur thermique de vehicule comportant des moyens de commutation temporisee

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DE602006006096D1 (de) 2009-05-14
ATE427416T1 (de) 2009-04-15
EP1966473A1 (de) 2008-09-10
FR2895450B1 (fr) 2008-03-07
WO2007074249A1 (fr) 2007-07-05
FR2895450A1 (fr) 2007-06-29

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