EP3320197A1 - Circuit à fluide de refroidissement pour boîte de vitesses à refroidissement par liquide - Google Patents

Circuit à fluide de refroidissement pour boîte de vitesses à refroidissement par liquide

Info

Publication number
EP3320197A1
EP3320197A1 EP16728292.0A EP16728292A EP3320197A1 EP 3320197 A1 EP3320197 A1 EP 3320197A1 EP 16728292 A EP16728292 A EP 16728292A EP 3320197 A1 EP3320197 A1 EP 3320197A1
Authority
EP
European Patent Office
Prior art keywords
cooling circuit
crankcase
transmission
circuit
coolant
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
EP16728292.0A
Other languages
German (de)
English (en)
Other versions
EP3320197B1 (fr
Inventor
Norbert Amann
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP3320197A1 publication Critical patent/EP3320197A1/fr
Application granted granted Critical
Publication of EP3320197B1 publication Critical patent/EP3320197B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01P3/00—Liquid cooling
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/06—Arrangements for cooling pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/12—Arrangements for cooling other engine or machine parts
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F01P2003/027—Cooling cylinders and cylinder heads in parallel
    • 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
    • F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/60—Operating parameters
    • F01P2025/62—Load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/60—Operating parameters
    • F01P2025/64—Number of revolutions
    • 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
    • F01P2060/04—Lubricant cooler
    • F01P2060/045—Lubricant cooler for transmissions

Definitions

  • the invention relates to a coolant circuit with an engine cooling circuit and a branched from the engine cooling circuit transmission cooling circuit.
  • Modern high-performance transmissions in particular dual-clutch transmissions, are also cooled with water in addition to oil cooling.
  • coolant is diverted from the engine cooling circuit and for cooling the
  • Coolant circuit causes that in these operating areas, the transmission is heated rather than cooled. Only in high power ranges, this effect is reversed, so that the transmission is cooled.
  • a coolant circuit for cooling a transmission having improved cooling characteristics. This object is achieved with a coolant circuit according to claim 1, a motor vehicle according to claim 9 and a control method according to claim 12.
  • Advantageous developments of the invention are the subject of the dependent claims.
  • a coolant circuit is provided, with an engine cooling circuit in the coolant for cooling an internal combustion engine is circulated; a transmission cooling circuit for cooling a transmission, which branches off from the engine cooling circuit; a valve which is arranged at least in the transmission cooling circuit, and a controller adapted to the valve depending on a
  • Operating state of the internal combustion engine and / or the transmission to open and close may be determined, for example, by a throttle position, an engine speed and / or an engine torque. Further, the controller may be adapted to control (open and close) the valve depending on at least one of the following parameters: a
  • Low-horsepower coolant circuits heat the transmission sooner than cool it. Furthermore, this also adversely affects the heating speed of the internal combustion engine in the warm-up phase, which can have an influence on emissions and consumption. This is done by providing a switch-off option in the transmission cooling circuit, depending on the
  • the engine cooling circuit comprises a cylinder head cooling circuit and, separately therefrom, a crankcase cooling circuit, the transmission cooling circuit branching from the crankcase cooling circuit, i. branches off on a portion along which the crankcase cooling circuit of the
  • Cylinder head cooling circuit is disconnected.
  • the advantage that results from this coolant circuit is that in so-called.
  • Split cooling engines in which a separate crankcase and cylinder head cooling circuit is provided, the cylinder head cooling circuit is permeated permament and it is sufficient if the crankcase cooling circuit is only flowed through at a certain engine power.
  • the inventor of this invention found that by coupling the transmission cooling circuit to the
  • Transmission cooling circuit can be saved because the crankcase and the transmission show similar cooling conditions and thus a
  • Crankcase cooling circuit can be used. In this case
  • Embodiment is the valve (the same valve) thus in
  • Transmission cooling circuit and arranged in the crankcase cooling circuit i. the transmission cooling circuit and the crankcase cooling circuit are
  • crankcase cooling circuit comprises a crankcase water jacket, which around cylinder bores
  • Heat transfer with the transmission oil opens into the crankcase water jacket.
  • the valve is located downstream of the
  • the engine cooling circuit branches at a branch into the cylinder head cooling circuit and the crankcase cooling circuit, wherein the transmission cooling circuit branches off from the crankcase cooling circuit downstream of the branch.
  • the transmission cooling circuit branches off the crankcase cooling circuit downstream of the branch and upstream of a crankcase water jacket of the crankcase cooling circuit.
  • Coolant circuit provided, wherein the crankcase cooling circuit downstream of the junction in a crankcase water jacket and a motor oil cooling circuit, which is adapted via a
  • Heat exchanger to cool an engine oil, branches, and wherein the
  • Transmission cooling circuit branches off from the engine oil cooling circuit.
  • Transmission cooling circuit provided a check valve.
  • Transmission cooling circuit is flowed through.
  • Branching formed by a coolant pump formed by a coolant pump.
  • control is adapted, the valve depending on an engine speed and / or a
  • controller may be adapted to control (open and close) the valve depending on at least one of the following parameters: a coolant temperature, a crankcase temperature.
  • the controller is adapted to open the valve only above a certain threshold of engine speed and / or engine torque. That is, the controller is adjusted to open the valve above the threshold and close below the threshold (including the threshold itself). In particular, the control is adjusted, the valve above the
  • the controller may be adapted to open the valve only above a threshold value of the engine power of 70% of the maximum engine power, the so-called nominal engine power.
  • the threshold is 80%.
  • the invention relates to a vehicle with a
  • Coolant circuit according to one of the preceding claims.
  • Figure 1 shows schematically a first embodiment of the
  • FIG. 2 schematically shows a second embodiment of the invention
  • FIG. 3 schematically shows a third exemplary embodiment of the invention
  • Coolant circuit according to the present invention.
  • Figure 1 shows schematically a first embodiment of the
  • Coolant circuit according to the present invention.
  • this coolant circuit in motor vehicles by coolant for example, a mixture of glycol and water
  • coolant for example, a mixture of glycol and water
  • the coolant circuit 1 comprises an engine cooling circuit and a transmission cooling circuit which extend together through a radiator 2, which is known to be cooled by a fan 3 in addition to the airstream, and cools a guided in the coolant circuit coolant in a known manner. From a radiator outlet 4, the coolant circuit continues to extend to a coolant pump 5, which may be a mechanical, an internal combustion engine, or electrically driven coolant pump.
  • the internal combustion engine comprises a crankcase 6 with a plurality of cylinder bores 7 and a cylinder head housing 8 with the cylinder heads 9 belonging to the cylinder bores 7.
  • the coolant circuit 1 is introduced into a cylinder head cooling circuit 10 and a crankcase cooling circuit at a branch formed by the coolant pump 5 in this embodiment Divided 1 1. However, the branch can also continue downstream of the coolant pump 5 by a
  • Coolant line junction are formed.
  • each cooling channels are formed in the housing material, which are guided around each cylinder bore 7 and each cylinder head 9 in the form of a water jacket.
  • Cylinder head water jacket 12 is formed by cavities which extend over a certain height of the cylinder bores 7 and cylinder heads 9 and surround the cylinder bores or cylinder heads in an annular manner. These annular cavities are connected in series. In addition, these interconnected cavities are connected to an inlet and a drain, for example, are connected by the two outer cavities, one with an inlet and the other with a drain. After dividing into cylinder head cooling circuit 10 and crankcase cooling circuit 1 1, the cylinder head cooling circuit 10 performs the cylinder head water jacket 12 and the crankcase circuit 1 1 through the crankcase water jacket 13th
  • the valve 14 preferably has a single input and a maximum of two outputs.
  • the valve 14 may, for example
  • the output of the valve 14 leads into a thermal management module 15, which is responsible for the control of the cooling circuit 1, and from there back into the radiator second
  • the engine oil cooling circuit 16 passes through an engine oil water heat exchanger 17 in which the coolant cools an engine oil which lubricates and cools moving parts of the engine. For this purpose, on the one hand flows through the engine oil cooling circuit 1 6 the
  • Engine oil water heat exchanger 17 and separate thereof an unillustrated engine oil circuit. Downstream of the engine oil heat exchanger 17, the engine oil cooling circuit 16 is combined at a location 18 with the cylinder head cooling circuit 10 coming from the outlet of the cylinder head cooling circuit 12 and forwarded to the thermal management module 15, after which it is led back to the cooler 2.
  • a transmission cooling circuit 19 for cooling a transmission 20 from this is for example a
  • FIG. 1 shows that the Transmission cooling circuit 19 branches off in the region of the engine oil heat exchanger 17. However, the transmission cooling circuit 19 may branch off somewhere between the coolant pump 5 (or the branch) and the point 18 of the engine oil cooling circuit 1 6. The transmission cooling circuit 19 may also branch off from the crankcase water jacket 13. Likewise, the transmission cooling circuit 19 directly (indirectly shown in Fig. 1) of the crankcase cooling circuit 1 1 between the coolant pump 5 (or the branch) and the input to the crankcase water jacket 13 branch off. Preferably, the transmission cooling circuit 19 branches from
  • Crankcase cooling circuit 1 1 from, in particular at a location that is suitable in practice for such a connection.
  • the transmission cooling circuit 19 leads to a device 21 for absorbing heat from the transmission 20, in particular a dual-clutch transmission.
  • This device 21 is formed in this embodiment, a trained in the transmission housing
  • the device 21 could also be a heat exchanger that cools a transmission oil. Downstream of the device 21, the transmission cooling circuit 19 opens into the crankcase water jacket 13, preferably in the region of the outlet and preferably on the hotter side of the water jacket.
  • valve 14 which is arranged at the outlet of the crankcase water jacket 13, is thus arranged in the transmission cooling circuit 19 by the introduction of the transmission cooling circuit 19 into the crankcase water jacket 13. If the valve 14 is closed, then a
  • Transmission cooling circuit 19 a check valve 22 is provided, which only a flow from the engine oil cooling circuit 1 to 6 Crankcase water jacket 13 allows.
  • This valve 14 is in this embodiment depending on an operating condition of
  • valve 14 Internal combustion engine and / or the transmission open and closed.
  • the control of the valve 14 is carried out by a controller 26 in the form of an electrical circuit or by a computing unit (e.g.
  • the controller 26 is associated with the thermal management module 15, however, the controller 26 may also be a stand-alone controller, part of a motor controller, the motor controller itself, or any other suitable controller.
  • the controller 26 may control the valve 14 to open or close, thereby controlling a flow rate through the valve 14.
  • the controller 26 may also control the valve 14 clocked, so that this opens and closes with a certain tact, thus a desired
  • controller 26 may also control the valve 14 to narrow or expand a flow area such that a certain flow rate of refrigerant is achieved.
  • the basis for the control of the valve 14 by the controller 26 is the operating state of the internal combustion engine and / or the transmission.
  • the controller 26 is adapted to open and close the valve 14 depending on engine speed and / or engine torque, wherein one or more of the above-mentioned parameters may be additionally included in the controller.
  • the valve 14 could be controlled depending on engine speed, engine torque, coolant temperature, and crankcase temperature. By a certain engine speed and a certain engine torque results in an engine power.
  • the valve 14 is opened above a certain engine power and closed below this engine power. More preferably, the valve 14 opens from an engine output of 60%, more preferably opens the valve 14 from an engine power of 70%, even more preferably opens the valve 14 from an engine power of 80%.
  • the control of the valve 14 can also be realized so that in the control 26 control characteristics or
  • Control table assignments certain values of the above parameters are associated with certain switching states of the valve 14.
  • FIG. 2 schematically shows a second embodiment of the invention
  • crankcase water jacket 13 and the cylinder head water jacket 12 are not disposed at the outer end of the respective water jacket, but in the area of the penultimate
  • the preferred embodiment of the device 21 is a transmission oil heat exchanger, but may also be the water jacket already described in the first embodiment.
  • a bypass line 29 is additionally provided, via which the thermal management module 15 can bypass the radiator 2 if necessary. For example, to achieve a faster heating of the coolant.
  • a heating heat exchanger 23 is connected to the heat management module 15 and is supplied from the heat management module 15 with coolant, if necessary, which is guided back into the heat management module 15 downstream of the heating heat exchanger 23.
  • a cooling circuit for cooling a cylinder head integrated manifold 24 is connected.
  • a cooling circuit for an exhaust gas turbocharger 25 is connected.
  • the engine oil cooling circuit 16 corresponds to the transmission cooling circuit 19, because as shown in FIG. 2, the engine oil heat exchanger 17 is arranged upstream and in series with the device 21. This
  • Engine oil cooling circuit 1 6 or transmission cooling circuit 19 branches downstream the coolant pump 5 (or the branch) and upstream of the input of the crankcase water jacket 13 from.
  • the invention is not limited thereto, so that the engine oil cooling circuit 1 6 and the
  • Transmission cooling circuit 19 may both be parallel to each other, both downstream of the coolant pump 5 (or the branch) and upstream of the input of the crankcase water jacket 13th
  • Cylinder housing water jacket 13 have.
  • FIG. 3 schematically shows a third exemplary embodiment of the invention
  • Coolant circuit 1 according to the present invention.
  • like reference characters represent the same or similar components, and reference is made to the description of the foregoing embodiments unless otherwise described below.
  • the cooling circuit 1 comprises, as in the preceding
  • Embodiments an engine cooling circuit, which a
  • Cylinder head cooling circuit 10 and a crankcase cooling circuit 1 1 has.
  • Crankcase cooling circuit 1 1 preferably extend together as engine cooling circuit through the radiator 2. Downstream of the radiator 2, the engine cooling circuit divides on the coolant pump 5 and the branch in the separated sections of the
  • Cylinder head cooling circuit 10 and the crankcase cooling circuit 1 1 on. After flowing through the respective water jackets 12 and 13 of the cylinder head cooling circuit 10 and the crankcase cooling circuit 1 1 again brought together, for example in the thermal management module 15, and lead back to the radiator. 2
  • the branch is in the
  • Cylinder head cooling circuit 10 and the crankcase cooling circuit 1 1 provided on the coolant pump 5 or downstream thereof.
  • Branching leads the cylinder head cooling circuit 10 through the
  • the engine oil cooling circuit 1 6 is coupled in this embodiment, the cylinder head cooling circuit 10. More specifically, the engine oil cooling circuit 1 6 branches off from the cylinder head water jacket 12 and is located at a downstream location of the cylinder head water jacket 1 6
  • Cylinder head water jacket 12 Reference is made to the description of the preceding exemplary embodiments for engine oil heat exchanger 17.
  • Crankcase water jacket 13 branches off the transmission cooling circuit 19.
  • the inlet of the crankcase water jacket 13 is defined as the point where the crankcase circuit 13 opens into a cavity surrounding a cylinder for the first time after entering the crankcase.
  • the valve 14 is provided at the point at which the transmission cooling circuit 19 branches off from the crankcase cooling circuit 1 1.
  • the valve 14 is preferably an electric valve, but may also correspond to one of the aforementioned embodiments. In particular, the valve 14 forms the
  • the valve 14 may, depending on a current flow, a flow of coolant in both the crankcase cooling circuit 1 1 and in the
  • Transmission cooling circuit 19 branches off from the crankcase cooling circuit 1 1 and downstream of the junction in the cylinder head cooling circuit 10 on the one hand and the crankcase cooling circuit 1 1 on the other hand be arranged.
  • Transmission cooling circuit 19 leads, branching from the crankcase cooling circuit 1 1, to the device 21 for heat absorption from the transmission 20.
  • This device 21 and the transmission 20 have been in the above
  • Cylinder head cooling circuit 10 and crankcase cooling circuit 1 1 connects. However, it is also possible that the transmission cooling circuit 19
  • Thermal management module 15 opens.
  • valve 14 is disposed in the crankcase cooling circuit 11 (on the portion thereof separate from the cylinder head cooling circuit 10) downstream of the crankcase water jacket 13 and the transmission cooling circuit 19 downstream of the device 21 in FIGS
  • crankcase cooling circuit 1 1 by means of the valve 14th automatically turns on the transmission cooling circuit 19.
  • Cooling fluid flows through the transmission cooling circuit 19 (i.e., it is active) only when the crankcase cooling circuit 11 is also flowed through (i.e., is active) and is independent of whether or not the crankcase cooling circuit 11 is running
  • Cylinder head cooling circuit 10 is flowed through (i.e., is active).
  • the transmission cooling circuit 19 for example, from
  • the effect that the transmission cooling circuit 19 is activated depending on the crankcase cooling circuit 1 1, can also be realized in this arrangement by the transmission cooling circuit 19 opens into the crankcase cooling circuit 1 1 and is switched downstream of this junction of the valve 14, as described above.
  • the coolant pump 5 may be arranged so that a branch in the cylinder head cooling circuit 10 and
  • Cylinder housing cooling circuit 1 1 downstream of the coolant pump 5 is provided. It would then also be possible to branch off the transmission cooling circuit downstream of the coolant pump 5 and upstream of the branch.
  • the transmission cooling circuit 19 would not necessarily in the
  • Transmission cooling circuit 19 could also be introduced directly into the thermal management module 15 or into the outlet of the cylinder head water jacket 12. In this case, however, would have the valve 14 with the above be described function provided in the transmission cooling circuit, so that the flow in the transmission cooling circuit 14, ie only the flow in the
  • Transmission cooling circuit as described above can be switched.
  • Cylinder head cooling circuit 10 and a crankcase cooling circuit 1 wherein over a certain portion of the
  • Cylinder head cooling circuit 10 and the crankcase cooling circuit 1 1 run together, then be divided over a respective
  • Engine oil cooling circuit 1 6 branching off from the crankcase cooling circuit 1 1 to the point 18 in the crankcase, i. in a channel formed in the crankcase material. Likewise, the transmission cooling circuit 19 extends from the crankcase cooling circuit 1 1 branches off until
  • crankcase can also outside the crankcase
  • Engine oil cooling circuit 1 6 and the transmission cooling circuit 19 together from the crankcase cooling circuit 1 1 branches off to a point downstream of the engine oil heat exchanger 17 and upstream of the
  • crankcase material formed channel is not limited to this and the said crankcase extending portions may also extend outside of the crankcase, as is the case for example in Fig. 3. In the embodiment shown in Fig. 3 of the runs
  • Transmission cooling circuit 19 from the valve 14 and the crankcase cooling circuit 1 1 branches off to the device 21 outside the crankcase, i. outside the crankcase material.
  • this embodiment is not limited thereto and the said portion of
  • Transmission cooling circuit 19 can also at least partially in the
  • crankcase i. in a passageway formed in the crankcase material.
  • the invention according to one embodiment discloses a control method for a refrigerant circuit 1 with a
  • Internal combustion engine 6, 8 is circulated; a transmission cooling circuit 19 for cooling a transmission 20, which branches off from the engine cooling circuit 10, 1 1; a valve 14, which is arranged in the transmission cooling circuit 19, wherein the valve 14 is opened and closed depending on an operating condition of the engine and / or the transmission.
  • valve 14 is opened and closed depending on engine speed and / or engine torque.
  • valve 14 is only above a certain threshold of the engine speed and / or the

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Details Of Gearings (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

L'invention concerne un circuit à fluide de refroidissement (1) comprenant un circuit de refroidissement de moteur (10, 11) dans lequel peut être mis en circulation un fluide de refroidissement destiné au refroidissement d'un moteur à combustion interne (6, 8), lequel possède un circuit de refroidissement de culasse (10) et, séparé de celui-ci, un circuit de refroidissement de carter de vilebrequin (11) ; un circuit de refroidissement de boîte de vitesses (19) destiné au refroidissement d'une boîte de vitesses (20), lequel se sépare du circuit de refroidissement de moteur (10, 11) ; une vanne (14), qui est montée dans le circuit de refroidissement de boîte de vitesses (19), et une commande (26) qui est adaptée pour ouvrir ou pour fermer la vanne (14) en fonction de l'état opérationnel du moteur à combustion interne et/ou de la boîte de vitesses. Le circuit de refroidissement de boîte de vitesses (19) se sépare notamment du circuit de refroidissement de carter de vilebrequin (11) sur une portion le long de laquelle le circuit de refroidissement de carter de vilebrequin (11) est séparé du circuit de refroidissement de culasse (10).
EP16728292.0A 2015-07-08 2016-06-08 Circuit à fluide de refroidissement pour boîte de vitesses à refroidissement par liquide Active EP3320197B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015212733.8A DE102015212733A1 (de) 2015-07-08 2015-07-08 Kühlmittelkreislauf für flüssigkeitsgekühlte Getriebe
PCT/EP2016/062934 WO2017005438A1 (fr) 2015-07-08 2016-06-08 Circuit à fluide de refroidissement pour boîte de vitesses à refroidissement par liquide

Publications (2)

Publication Number Publication Date
EP3320197A1 true EP3320197A1 (fr) 2018-05-16
EP3320197B1 EP3320197B1 (fr) 2019-04-17

Family

ID=56117706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16728292.0A Active EP3320197B1 (fr) 2015-07-08 2016-06-08 Circuit à fluide de refroidissement pour boîte de vitesses à refroidissement par liquide

Country Status (5)

Country Link
US (1) US10480389B2 (fr)
EP (1) EP3320197B1 (fr)
CN (1) CN107532500B (fr)
DE (1) DE102015212733A1 (fr)
WO (1) WO2017005438A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015014514B4 (de) * 2015-11-11 2023-10-26 Deutz Aktiengesellschaft "Common-Rail" Wassermantel
CN110454269A (zh) * 2019-07-18 2019-11-15 中国第一汽车股份有限公司 一种发动机冷却系统
CN113062793B (zh) * 2021-03-31 2022-06-03 贵州电子科技职业学院 一种汽车散热器回水管路结构
CN115217939B (zh) * 2022-01-04 2024-01-23 广州汽车集团股份有限公司 变速器的温控系统及控制方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19512783A1 (de) * 1995-04-05 1996-10-10 Bayerische Motoren Werke Ag Vorrichtung zur Beeinflussung der Getriebeöltemperatur in Kraftfahrzeugen
US6427640B1 (en) * 2000-10-11 2002-08-06 Ford Global Tech., Inc. System and method for heating vehicle fluids
WO2003048548A1 (fr) * 2001-11-30 2003-06-12 Delphi Technologies, Inc. Desactivation de cylindres destinee a ameliorer le chauffage a l'interieur d'un vehicule
JP4196802B2 (ja) * 2003-10-07 2008-12-17 株式会社デンソー 冷却水回路
JP4497082B2 (ja) * 2005-11-17 2010-07-07 トヨタ自動車株式会社 エンジンの冷却媒体循環装置
US8181610B2 (en) * 2006-05-08 2012-05-22 Magna Powertrain, Inc. Vehicle cooling system with directed flows
DE102009001129B4 (de) * 2009-02-25 2014-07-10 Ford Global Technologies, Llc Kühlstrategie für Verbrennungsmotoren
DE102010010594B4 (de) * 2010-03-08 2014-10-09 Audi Ag Kühlkreislauf für eine Brennkraftmaschine
EP2609348B1 (fr) * 2010-08-25 2014-03-19 Daimler AG Commande hydraulique pour une transmission automatique d'un véhicule automobile
DE102012200746A1 (de) * 2012-01-19 2013-07-25 Ford Global Technologies, Llc Brennkraftmaschine mit im Kühlmittelkreislauf angeordneter Pumpe und Verfahren zum Betreiben einer derartigen Brennkraftmaschine
JP5552507B2 (ja) * 2012-07-20 2014-07-16 本田技研工業株式会社 内燃機関
JP6094231B2 (ja) * 2013-01-22 2017-03-15 株式会社デンソー 内燃機関の冷却システム
JP2014145326A (ja) * 2013-01-30 2014-08-14 Daihatsu Motor Co Ltd 内燃機関
US8944017B2 (en) * 2013-05-30 2015-02-03 GM Global Technology Operations LLC Powertrain cooling system with cooling and heating modes for heat exchangers
DE102013217154A1 (de) * 2013-08-28 2015-03-05 Ford Global Technologies, Llc Temperieranordnung für Getriebeöl eines Kraftfahrzeugs sowie Verfahren zum Temperieren von Getriebeöl eines Kraftfahrzeugs
US9222571B2 (en) 2013-09-13 2015-12-29 Gm Global Technology Operations, Llc Temperature management system for transmission using split engine cooling
DE102013019687B3 (de) * 2013-11-26 2015-03-26 Audi Ag Kühlsystem für ein Hybridfahrzeug aufweisend zumindest eine elektrische Antriebsmaschine und zumindest eine Verbrennungskraftmaschine und Verfahren zu dessen Regelung
DE112015003316T5 (de) * 2014-08-21 2017-04-13 Borgwarner Inc. Wärmemanagementsystem mit wärmerückgewinnung und verfahren für dessen herstellung und verwendung
US20180298806A1 (en) * 2014-10-28 2018-10-18 Borgwarner Inc. A fluid system and method of making and using the same
DE202015101010U1 (de) * 2015-03-02 2015-03-20 Ford Global Technologies, Llc Wärmetauscheranordnung für ein Kraftfahrzeug

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EP3320197B1 (fr) 2019-04-17
CN107532500A (zh) 2018-01-02
US20180066566A1 (en) 2018-03-08
DE102015212733A1 (de) 2017-01-12
US10480389B2 (en) 2019-11-19
WO2017005438A1 (fr) 2017-01-12
CN107532500B (zh) 2019-12-10

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