CN102482980B - Cooling circuit for a vehicle and vehicle comprising a cooling circuit - Google Patents

Cooling circuit for a vehicle and vehicle comprising a cooling circuit Download PDF

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Publication number
CN102482980B
CN102482980B CN200980159900.8A CN200980159900A CN102482980B CN 102482980 B CN102482980 B CN 102482980B CN 200980159900 A CN200980159900 A CN 200980159900A CN 102482980 B CN102482980 B CN 102482980B
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CN
China
Prior art keywords
cooler
combustion engine
internal
coolant
exhaust gas
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CN200980159900.8A
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Chinese (zh)
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CN102482980A (en
Inventor
彼得·尼尔松
埃里克·达尔
卡塔利纳·耶姆特
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Volvo Truck Corp
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Volvo Lastvagnar AB
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Publication date
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Publication of CN102482980A publication Critical patent/CN102482980A/en
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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32—Liquid-cooled heat exchangers
    • 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
    • F01P2060/06—Retarder

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention relates to a cooling circuit (90) for a vehicle (100), particularly a commercial vehicle, wherein the cooling circuit (90) comprises a combustion engine (10), a retarder cooler (30) for cooling a retarder (32), an EGR cooler (40) for cooling an exhaust gas of the combustion engine (10), and a coolant cooler (20) which is coupled to the combustion engine (10) for cooling the combustion engine (10) by means of a coolant. The retarder cooler (30) is arranged permanently in series with the EGR cooler (40) in a fluid path (60) of the coolant forming a return line for the coolant from the combustion engine (10) to the coolant cooler (20).

Description

For the cooling circuit of vehicle and comprise the vehicle of cooling circuit
Technical field
The present invention relates to a kind ofly for the vehicle cooling circuit of commerial vehicle particularly, wherein said cooling circuit comprises internal-combustion engine, for the retarder cooler of cooling retarder, for the cooler for recycled exhaust gas of the exhaust of cooling internal combustion engines and be connected to internal-combustion engine with by the coolant chiller of coolant cools internal-combustion engine.The invention further relates to the vehicle that comprises cooling circuit, such as truck.
Background technique
Free space in the internal combustion cabin of vehicle is limited is well-known in the art.For commerial vehicle, as Lightweight Vehicles, medium sized vehicle or heavy vehicle, space is due to the spatial constraints in vehicle cab but limited especially, and wherein internal-combustion engine is arranged between cooler casing and front axle by crowded.Due to the bleed strategy improving, need larger cooler, make the assembling of all parts and necessary pipeline more complicated.
WO2004/085807Al discloses a kind of cooling circuit, and it comprises the internal-combustion engine with coolant chiller, retarder cooler and cooler for recycled exhaust gas.Retarder cooler and cooler for recycled exhaust gas are equipped with independent cooling circuit.Each cooling circuit comprises coolant chiller, coolant pump and thermostat.According to actual heat load, for example at retarder cooler, need in more cooling situation, independent cooling circuit can be connected by valve temporarily.By two independent cooling circuits of interim connection, can provide extra cooling capacity for retarder cooler.If what retarder cooler need to be less is cooling, valve is closed and the cooling circuit of cooler for recycled exhaust gas and retarder cooler operates separately.Alternatively, for high cooling capacity is provided, the coolant chiller of independent cooling circuit can be connected in series and make cooler for recycled exhaust gas bypass.The cooling capacity of cooling circuit can change by thermostat controlled bypass line independent in cooling circuit separately.
US2008/0257317A1 discloses a kind of cooling system that utilizes the motor of coolant cools.Coolant collecting track is installed in the top of the cylinder head of motor.Cooler for recycled exhaust gas receives a part for engine coolant for cooling EGR gas.Another part of engine coolant is collected in described coolant collecting track, and described coolant collecting track also receives the freezing mixture from cooler for recycled exhaust gas.Retarder cooler can be arranged in the return pipeline between coolant collecting track and coolant chiller.
Summary of the invention
The object of this invention is to provide a kind of cooling circuit for vehicle, this cooling circuit requires parts still less, has spatial economy and effective cooling effect is provided.Another object is to provide a kind of vehicle with the cooling circuit that meets the bleed strategy improving.
Specification discloses advantageous embodiment of the present invention.
Thereby, described object by for vehicle particularly the cooling circuit of commerial vehicle complete, wherein said cooling circuit comprises internal-combustion engine, for the retarder cooler of cooling retarder, for the cooler for recycled exhaust gas of the exhaust of cooling internal combustion engines and be connected to internal-combustion engine with by the coolant chiller of coolant cools internal-combustion engine, it is characterized in that, retarder cooler and cooler for recycled exhaust gas are for good and all disposed in series in coolant fluid path, and this coolant fluid path forms the freezing mixture return pipeline from internal-combustion engine to coolant chiller.Cooler for recycled exhaust gas is configured to via the freezing mixture from internal-combustion engine, the exhaust from internal-combustion engine be carried out cooling, and wherein cooler for recycled exhaust gas is configured to substantially carry whole coolant flows from coolant chiller.Internal-combustion engine comprises the coolant inlet at the first end place that is positioned at internal-combustion engine and is positioned at the freezing mixture delivery outlet at the second end place contrary with first end of internal-combustion engine.Freezing mixture delivery outlet is positioned at the position that separates distance to a declared goal with coolant chiller, and freezing mixture delivery outlet is connected to the entrance of retarder cooler.
Statement " for good and all series connection " refers to that retarder cooler and cooler for recycled exhaust gas are at least disposed in associating cooling circuit in operating process.In operating process, freezing mixture flows through retarder cooler and flows through subsequently cooler for recycled exhaust gas.Retarder cooler and cooler for recycled exhaust gas are the integral parts of the cooling circuit of internal-combustion engine.It is not necessary for retarder cooler and cooler for recycled exhaust gas independent coolant chiller or coolant pump is provided, or be provided for the valve to comprising that the cooling circuit of retarder cooler is connected with the cooling circuit that comprises cooler for recycled exhaust gas.
Advantageously, retarder cooler and cooler for recycled exhaust gas can be to produce to freezing mixture the high-effect cooling device of significant heat load, and each cooler uses the pipeline that essence is identical to receive the engine coolant stream as cooling medium.Can reduce the number for the pipeline to retarder cooler and cooler for recycled exhaust gas supply freezing mixture.Thereby two coolers can advantageously become the full flow cooler that receives the whole coolant flows that flowed out by internal-combustion engine to be made can be transferred by cooler for recycled exhaust gas from whole freezing mixtures of internal-combustion engine, or the only part that can optionally receive as required freezing mixture flows.
Because it is cooling that cooler for recycled exhaust gas is configured to via the freezing mixture from internal-combustion engine, the exhaust from internal-combustion engine be carried out, advantageously, cooler for recycled exhaust gas has high cooling effectiveness.Exhaust can be cooled by effective mode.
Cooler for recycled exhaust gas is configured to carry substantially whole from the coolant flow of coolant chiller and preferably carry this whole coolant flows.And in the prior art, cooler for recycled exhaust gas receives the only a small amount of part the coolant flow flowing out from internal-combustion engine conventionally, be generally approximately 10% of this coolant flow, and full flow cooler for recycled exhaust gas can be set up the effective cooling for exhaust gas recirculation.Advantageously, cooler for recycled exhaust gas provides effective cooling by the effective and compact pipeline in space.
Can realize the space of cooling circuit effectively assembles, because comprising, internal-combustion engine is positioned at the freezing mixture delivery outlet that separates the position of distance to a declared goal with coolant chiller, wherein said freezing mixture delivery outlet is connected to the entrance of retarder cooler, and wherein retarder cooler and cooler for recycled exhaust gas can, as follows between freezing mixture delivery outlet and coolant chiller, make them that the described part that turns back to the coolant fluid path of coolant chiller from internal-combustion engine can be provided.
Internal-combustion engine comprises the coolant inlet at the first end place that is positioned at internal-combustion engine, and wherein said freezing mixture delivery outlet is positioned at the second end place contrary with first end of internal-combustion engine.Advantageously, first end can be the front end of internal-combustion engine, and the second end can be the rear end of internal-combustion engine.The thermostat of motor can be arranged in first end and sentence with the retarder that is positioned at the rear portion place of internal-combustion engine and separate distance to a declared goal.Can provide a kind of assembling close friend's of the layout of the longitudinal extension along vehicle internal-combustion engine to arrange.If particularly retarder cooler is disposed in the second end place of internal-combustion engine, can avoid the pipeline of large volume.Especially, described cooler for recycled exhaust gas can be located to turn back to the described part in the coolant fluid path of coolant chiller from internal-combustion engine can be from the first end of the second end guiding internal-combustion engine of internal-combustion engine.Because cooler for recycled exhaust gas is a part for freezing mixture return pipeline, can avoid expending the additional pipeline in space.
Advantageously, by retarder cooler and cooler for recycled exhaust gas being incorporated in coolant fluid path and can save structure space and pipeline, this coolant liquid path is for example transported to engine coolant the end opposite of internal-combustion engine from one end of internal-combustion engine, and is transported to especially the radiator of arranging in the first end front side of internal-combustion engine.Advantageously, coolant chiller is the associating cooler for retarder cooler and cooler for recycled exhaust gas.
Favourable, freezing mixture can be used in the cooling medium that stands high heat load, such as retarder fluid is as retarder oil, and the exhaust in egr system.Advantageously, main heat load can be introduced in freezing mixture by EGR freezing mixture and retarder cooler, because each cooler produces higher thermal load in the different operator scheme of internal-combustion engine.For example, in the exhaust of internal-combustion engine, from exhaust outlet, be recycled to the operator scheme of air inlet of internal-combustion engine, under the moderate duty or high load pattern of internal-combustion engine, retarder is not in use state, and in the operator scheme activating at retarder, when vehicle deceleration, exhaust is not recycled to the air inlet of internal-combustion engine from exhaust outlet.Like this, although can produce high thermal load, compare with the situation of only arranging such cooler in coolant fluid path, retarder cooler and cooler for recycled exhaust gas can not needed to increase by tandem arrangement the diameter of coolant flow or flow path.
The return path of freezing mixture can for example lead to retarder cooler and guide and turn back to cooler for recycled exhaust gas and from cooler for recycled exhaust gas, arrive the anterior thermostat housing that is positioned at internal-combustion engine from the rear portion of internal-combustion engine.This forms significant space and effectively assembles.Although can use the cooler that receives whole coolant flows, but still can reduce the quantity of element and large capacity pipeline.
Advantageously, only in cooling circuit, need a thermostat housing position, only upper heat sink flexible pipe and an only connection from thermostat to coolant pump.Especially, freezing mixture can be transported to retarder through internal combustion (IC) engine airframe from radiator.Freezing mixture can further be transported to public thermostat housing to provide bypass to connect from cooler for recycled exhaust gas.Therefore, can avoid for providing freezing mixture to outside large-scale pipeline retarder, process internal-combustion engine.
According to favourable embodiment, cooler for recycled exhaust gas can be configured to provide a part that turns back to the coolant fluid path the return pipeline of coolant chiller from internal-combustion engine.Advantageously, can make near the wiring of the return pipeline of cooler for recycled exhaust gas minimize and can realize compact layout.
According to favourable embodiment, cooler for recycled exhaust gas can be configured to provide from internal-combustion engine and turn back to the cardinal principle straight portion the coolant fluid path of coolant chiller.Advantageously, can improve near the compactness wiring of return pipeline cooler for recycled exhaust gas.
According to favourable embodiment, coolant chiller can be configured to via the cooling freezing mixture of air stream.In cooling circuit, can adopt standard and effective cooler coolant member.
According to favourable embodiment, coolant chiller can be formed by radiator.In cooling circuit, can adopt standard and effective cooler coolant member.
According to favourable embodiment, coolant chiller can be positioned at the first end place of internal-combustion engine.Particularly, can realize the shorter connection from the first end of internal-combustion engine to coolant chiller.
According to favourable embodiment, internal-combustion engine can be diesel engine.Advantageously, can realize very effective cooling and space-saving assembling, make it possible to thus realize the vehicle of the desired larger cooler parts of diesel emission rules for improving.
According to favourable embodiment, cooler for recycled exhaust gas can be arranged in the top of internal-combustion engine, provide thus cooler for recycled exhaust gas space effectively arrange and on motor body for other parts or installation on internal-combustion engine reserve free space.
According to a further aspect in the invention, proposed a kind of comprising according to the vehicle of the cooling circuit described in any in above-mentioned feature.Advantageously, vehicle can be Lightweight Vehicles, medium sized vehicle or heavy vehicle, particularly truck especially.Vehicle provide cooler for recycled exhaust gas and retarder cooler improvement cooling effectiveness and by using compared with prior art parts still less to provide space effectively to assemble.Use parts are still less realized identical cooling capacity and have been saved structure space and allowed to install larger cooler parts so that the emission control of improved internal-combustion engine to be provided.
Accompanying drawing explanation
The present invention and above-mentioned and other objects and advantages can according under regard to mode of execution detailed description understand best, but the present invention is not limited to described mode of execution, wherein schematically illustrated:
Fig. 1 a, lb show the perspective view of the mode of execution that comprises the retarder of series connection and the cooling circuit of cooler for recycled exhaust gas, and (Fig. 1 a) and the view of reverse side (figure lb); And
Fig. 2 is illustrative embodiments cooling circuit, vehicle according to the invention comprising according to Fig. 1 a and Fig. 1 b.
Embodiment
In the accompanying drawings, by identical reference character, indicate same or similar element.Accompanying drawing is only schematic diagram, is not intended to describe design parameter of the present invention.Therefore in addition, accompanying drawing is intended to only describe exemplary embodiments of the present invention, can not think the scope of the present invention that limited.
Fig. 1 a shows the first perspective view of the embodiment of cooling circuit 90, and cooling circuit 90 comprises internal-combustion engine 10, cooler for recycled exhaust gas 40 and retarder cooler 30.The exhaust of internal-combustion engine 10 can be transported to exhaust gas recycling system (egr system), the wherein cooling exhaust from internal-combustion engine 10 discharges of cooler for recycled exhaust gas 40.Internal-combustion engine 10 is coupled to the retarder 32 for abrupt deceleration vehicle, and wherein retarder is cooling by retarder cooler 30.
Cooler for recycled exhaust gas 40 is connected to retarder cooler 30 and with respect to coolant flow tandem arrangement.Figure lb shows the embodiment's of cooling circuit 90 the view of reverse side.
Internal-combustion engine 10 adopts coolant cools mode, and wherein freezing mixture is cooled in the coolant chiller 20 of a part that can be used as cooler casing 26.With reference to arriving Fig. 1 a and Fig. 1 b, freezing mixture for example water is transported to internal-combustion engine 10 at first end 14 places of internal-combustion engine 10 by coolant entrance 45.Freezing mixture is discharged by freezing mixture delivery outlet 46 at the second end 16 places of internal-combustion engine 10.The first end 14 of internal-combustion engine 10 can for example be arranged as the coolant chiller 20 near cooler casing 26, and first end 14 configuration examples are as the front end of internal-combustion engine 10.Second end 16 contrary with first end 14 can be arranged in coolant chiller 20 and separate the position of distance to a declared goal and configuration example as the rear end of internal-combustion engine 10.Coolant chiller 20 comprises that radiator maybe can form radiator.
Air is sucked through coolant chiller 20 by fan 28, and described fan 28 is disposed in first end 14 places of internal-combustion engine 10, for example, be arranged in the front side of internal-combustion engine 10.At the second end 16 places, transmission device 22 is followed by gear-box 24 below.Retarder 32 is installed to gear-box 24, and described gear-box 24 is arranged in the second end 16 places of internal-combustion engine 10, for example, be arranged in the rear side of internal-combustion engine 10.
In the egr system of internal-combustion engine 10, exhaust is transferred by cooler for recycled exhaust gas 40 and arrives EGR valve 58 from exhaust delivery outlet 56, and exhaust illustrates with the mode disconnecting with part by air conduit 70(in EGR valve 58) fresh air carried mixes and is transported to the intake manifold in the intermediate portion 12 of internal-combustion engine 10.Cooler for recycled exhaust gas 40 is disposed in the top 12u of internal-combustion engine 10.
Engine coolant is cooled and is transported to internal-combustion engine 10 by the pipeline 50 between coolant chiller 20 and the coolant inlet 45 of internal-combustion engine 10 in coolant chiller 20.
The coolant fluid path 60 that forms the freezing mixture return pipeline between freezing mixture delivery outlet 46 and coolant chiller 20 comprises pipeline 42a, retarder cooler 30, the pipeline 42b, the cooler for recycled exhaust gas 40 that extend to cooler for recycled exhaust gas 40 from retarder cooler 30, the pipeline 44 that (is hidden in Internal-Combustion Engines Casting, invisible in figure) extension from cooler for recycled exhaust gas 40 to thermostat housing, the thermostat housing extending to retarder cooler 30 from freezing mixture delivery outlet 46 and the pipeline 48 extending to coolant chiller 20 from thermostat housing successively.
If thermostat cuts out, freezing mixture can be directly connects 18 coolant inlets 45 that flow to internal-combustion engine 10 by bypass.
Retarder cooler 30 and cooler for recycled exhaust gas 40 form the part in coolant fluid path 60.Advantageously, cooler for recycled exhaust gas 40 and retarder cooler 30 are full flow coolers of the coolant flow flowing out from internal-combustion engine 10 of reception 100%.Because cooler for recycled exhaust gas 40 is arranged along the internal combustion (IC) engine airframe of internal-combustion engine 10 as the cardinal principle straight portion in coolant fluid path 60, and by cooler for recycled exhaust gas 40, be transferred the first end 14 to internal-combustion engine 10 from the freezing mixture of retarder 32 and retarder cooler 30, therefore can reduce the number of tubes for ANALYSIS OF COOLANT FLOW.
Freezing mixture cooling in coolant chiller 20 circulates by internal-combustion engine 10, retarder cooler 30 and cooler for recycled exhaust gas 40 and coolant chiller 20 successively.
Although retarder cooler 30 and cooler for recycled exhaust gas 40 tandem arrangement in coolant fluid path 60, but at a time in cooler 30,40 only one work, make at a time most of heat load only by two coolers 30,40 one be introduced in freezing mixture.When retarder 32 works and need to be by retarder cooler 30 when cooling, vehicle is in deceleration regime.Under such operator scheme, exhaust is not recycled.When exhaust recirculation and need to be by cooler for recycled exhaust gas 40 when cooling in egr system, internal-combustion engine 10 moves in the inoperative more high-load range of retarder 32.Because the heat load of each cooler 30,40 is introduced in the different operator scheme of internal-combustion engine 10, each cooler 30 or 40 can be incorporated into the heat load compared with high in freezing mixture and not make the cooling effectiveness of other cooler 40 or 30 worsen.
In cooler for recycled exhaust gas 40 cooling exhaust stream cross pipeline 52 between exhaust outlet 56, through cooler for recycled exhaust gas 40 and the agent that is cooled is therein cooling and arrive EGR valves 58 through pipeline 54.Can be provided for making the exhaust by-pass valve of cooler for recycled exhaust gas 40 bypass, but not describe in detail here.
With reference to Fig. 2, show according to preferred vehicle 100 of the present invention, described vehicle comprises the internal-combustion engine with the cooling circuit 90 of the conveying freezing mixture of with good grounds Fig. 1 a and Fig. 1 b.Vehicle 100 is preferably Lightweight Vehicles, medium sized vehicle or heavy vehicle, such as truck.
The present invention, owing to having avoided the large-scale pipeline of for example arranging along internal-combustion engine 10 to allow a kind of very effective assembling, because cooler for recycled exhaust gas 40(figure is la, schemes lb) be a part for the freezing mixture return path from internal-combustion engine 10 to vehicle radiator.

Claims (12)

1. the cooling circuit for vehicle (100) (90), wherein said cooling circuit (90) comprises internal-combustion engine (10), retarder cooler (30) for cooling retarder (32), for the cooler for recycled exhaust gas (40) of the exhaust of cooling internal combustion engines (10) and be connected to internal-combustion engine (10) with by the coolant chiller (20) of coolant cools internal-combustion engine (10), wherein said cooler for recycled exhaust gas (40) is configured to via the freezing mixture from described internal-combustion engine (10) carrying out cooling from the exhaust of described internal-combustion engine (10), it is characterized in that, described retarder cooler (30) is for good and all disposed in series in coolant fluid path (60) with described cooler for recycled exhaust gas (40), described coolant fluid path (60) forms the freezing mixture return pipeline from internal-combustion engine (10) to coolant chiller (20),
Wherein said cooler for recycled exhaust gas (40) is configured to substantially carry whole coolant flows from described coolant chiller (20);
Wherein said internal-combustion engine (10) comprises and is positioned at the freezing mixture delivery outlet (46) that the coolant inlet (45) that the first end (14) of described internal-combustion engine (10) locates and second end (16) contrary with described first end (14) that is positioned at described internal-combustion engine (10) are located;
Described freezing mixture delivery outlet (46) is positioned at the position that separates distance to a declared goal with described coolant chiller (20), and described freezing mixture delivery outlet (46) is connected to the entrance of described retarder cooler (30).
2. cooling circuit according to claim 1, is characterized in that, described coolant chiller (20) is the associating coolant chiller for described retarder cooler (30) and described cooler for recycled exhaust gas (40).
3. cooling circuit according to claim 1 and 2, it is characterized in that, described cooler for recycled exhaust gas (40) is configured to provide the part in the described coolant fluid path (60) the described return pipeline from described internal-combustion engine (10) to described coolant chiller (20).
4. cooling circuit according to claim 1 and 2, is characterized in that, described cooler for recycled exhaust gas (40) is configured to provide the cardinal principle straight portion in the described coolant fluid path (60) from described internal-combustion engine (10) to described coolant chiller (20).
5. cooling circuit according to claim 1 and 2, is characterized in that, described coolant chiller (20) is configured to carry out cooling described freezing mixture via air stream.
6. cooling circuit according to claim 1 and 2, is characterized in that, described coolant chiller (20) is formed by radiator.
7. cooling circuit according to claim 1 and 2, is characterized in that, described coolant chiller (20) is positioned at the described first end (14) of described internal-combustion engine (10) and locates.
8. cooling circuit according to claim 3, it is characterized in that, described cooler for recycled exhaust gas (40) is located so that: from described internal-combustion engine (10), turn back to the described part in described coolant fluid path (60) of described coolant chiller (20) by the lead described first end (14) of described internal-combustion engine (10) of described the second end (16) from described internal-combustion engine (10).
9. cooling circuit according to claim 1 and 2, is characterized in that, described internal-combustion engine (10) is diesel engine.
10. cooling circuit according to claim 1 and 2, is characterized in that, described cooler for recycled exhaust gas (40) is arranged in the top (15) of described internal-combustion engine (10) and locates.
11. cooling circuits according to claim 1, is characterized in that, described vehicle (100) is commerial vehicle.
12. 1 kinds of vehicles (100), it comprises according to cooling circuit in any one of the preceding claims wherein (90).
CN200980159900.8A 2009-06-18 2009-06-18 Cooling circuit for a vehicle and vehicle comprising a cooling circuit Active CN102482980B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2009/000310 WO2010147517A1 (en) 2009-06-18 2009-06-18 Cooling circuit for a vehicle and vehicle comprising a cooling circuit

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CN102482980B true CN102482980B (en) 2014-10-15

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SE537465C2 (en) * 2013-09-19 2015-05-12 Scania Cv Ab Arrangements for counteracting the cooling of an exhaust gas treatment component in a vehicle
US10196960B2 (en) * 2017-03-09 2019-02-05 GM Global Technology Operations LLC Cooling system having variable coolant flow paths for exhaust gas recirculation system

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SE523073C2 (en) * 2001-06-28 2004-03-23 Valeo Engine Cooling Ab Methods and apparatus for cooling charge air and hydraulic oil
SE522590C2 (en) * 2003-03-28 2004-02-24 Scania Cv Abp Cooling device is for retarder in vehicle engine and comprises cooling fluid circuit with fluid cooler and retarder cooler, together with further cooling fluid circuit and its own cooler
DE102005031300B4 (en) * 2005-07-05 2021-05-12 Daimler Ag Internal combustion engine with cooling system and exhaust gas recirculation system
DE102006010247B4 (en) * 2006-03-02 2019-12-19 Man Truck & Bus Se Drive unit with heat recovery
DE102006012847A1 (en) * 2006-03-21 2007-09-27 Daimlerchrysler Ag Internal combustion engine`s cooling circuit heating method for e.g. passenger car, involves automatically connecting retarder with engine using drive for supplying heat energy in warm-up phase of engine based on operating parameters
US7347168B2 (en) * 2006-05-15 2008-03-25 Freightliner Llc Predictive auxiliary load management (PALM) control apparatus and method
DE102006048714A1 (en) * 2006-10-14 2008-04-17 Daimler Ag Cooling circuit

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EP2443328B1 (en) 2015-08-12
EP2443328A1 (en) 2012-04-25
CN102482980A (en) 2012-05-30
WO2010147517A1 (en) 2010-12-23
EP2443328A4 (en) 2013-12-04
WO2010147517A8 (en) 2012-02-16

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