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    • 专利摘要:
    The invention relates to a method for cooling and / or heating a body or a fluid in a motor vehicle, by means of a system comprising a vapor compression circuit in which a first heat transfer composition circulates. and a secondary circuit in which circulates a second heat transfer composition. The invention also relates to an installation for cooling and / or heating a body or a fluid in a motor vehicle and a use for cooling and / or heating a body or a fluid in a motor vehicle, a heat transfer composition comprising one or more heat transfer compounds having a boiling temperature of 0 to 40 ° C, selected from hydrochlorofluoroolefins, hydrofluoroolefins and combinations thereof.
    公开号:FR3080169A1
    申请号:FR1853272
    申请日:2018-04-13
    公开日:2019-10-18
    发明作者:Wissam Rached
    申请人:Arkema France SA；
    IPC主号:
    专利说明:

    METHOD FOR COOLING AND / OR HEATING A BODY OR A FLUID IN A MOTOR VEHICLE
    FIELD OF THE INVENTION
    The present invention relates to a method of cooling and / or heating a body or a fluid in a motor vehicle, as well as an installation adapted to the implementation of this method. The invention also relates to the use of hydrochlorofluoroolefins and hydrofluoroolefins having a boiling temperature of 0 to 40 ° C for this purpose.
    TECHNICAL BACKGROUND
    In motor vehicles, the heat engine has a circuit for circulating a heat transfer fluid which is used for cooling the engine and also for heating the passenger compartment. To this end, the circuit notably includes a pump and an air heater in which a flow of air circulates which recovers the heat stored by the heat transfer fluid in order to heat the passenger compartment.
    In addition, an air conditioning system intended to cool the passenger compartment of a motor vehicle comprises an evaporator, a compressor, a condenser, a pressure reducer and a fluid capable of changing state (liquid / gas) commonly designated as fhgrogenic fluid heat transfer. The compressor, directly driven by the vehicle engine using a belt and pulley, compresses the refrigerant, delivering it under high pressure and high temperature to the condenser. The condenser, thanks to forced ventilation, causes the condensation of the gas which reaches the gaseous state at high pressure and high temperature. The condenser liquefies the gas by lowering the temperature of the air passing through it. The evaporator is a heat exchanger that takes calories from the air that will be blown into the passenger compartment. The regulator regulates the flow rate of gas entering the loop by modifying the passage section depending on the temperature and the pressure at the evaporator. Thus, the hot air coming from outside cools down through the evaporator.
    The refrigerant traditionally used in automotive air conditioning is 1,1,1,2-tetrafluoroethane (HFC-134a).
    However, a large number of HFC fluids, including HFC-134a, can contribute adversely to the greenhouse effect. This contribution is quantified by a numerical parameter, the GWP (Global Warming Potential).
    Another refrigerant now used in heat transfer applications is 2,3,3,3-tetrafluoropropene (HFO-1234yf). However, even though HFO-1234yf is a low GWP fluid, it is considered a flammable fluid.
    Document WO 2013/035908 describes a system for controlling the temperature of a vehicle, installed near an evaporator. This document does not mention specific products for cooling and / or heating the vehicle.
    Document US 2014/0202671 describes a cooling and / or heating system for an electric or hybrid vehicle, comprising a heat sink containing as cooling fluid HFO-1234yf or a mixture of water and glycol.
    The document FR 3008929 describes a thermal conditioning device for a motor vehicle comprising a coolant circuit and two heat transfer fluid circuits, the coolant being HFC-134a or HFO-1234yf, and the heat transfer fluid being a mixture of water and antifreeze.
    WO 2007/042621 describes a heat exchanger device comprising a liquid / solid phase change material, used to control the temperature of a vehicle, a building, a room or even a computer .
    EP 1598406 describes a latent heat storage material comprising a liquid / solid phase change material as well as graphite for the storage of energy in the form of latent heat.
    Document WO 2016/138463 describes a device for storing electrical energy, used to charge vehicles as well as electronic devices, at the same time minimizing the risk of fire.
    Document WO 2008/001004 describes a temperature control device capable of transferring heat from a hot source to a cold source by means of a closed circuit cooling fluid, for application in space.
    Document EP 1621389 describes a system for supplying electrical energy to a vehicle when the vehicle engine is stopped. The system described in the document includes a thermal energy storage material such as water or brine.
    Document EP 2416438 describes a battery module having improved safety, the module comprising a heat sink mounted on a plurality of stacked battery cells, for controlling the temperature of an electric or hybrid vehicle. This module includes a phase change material such as paraffin, polyethylene glycol, or an inorganic hydrate.
    Document WO 2012/146368 describes an assembly comprising a coolant circuit and a coolant circuit which thermally exchange with one another by means of a coolant / coolant exchanger, as well as a storage device. thermal containing a phase change material. This set is applied to motor vehicles.
    Document WO 98/13222 describes a thermal energy storage and distribution unit for the air conditioning and / or heating of a vehicle, which comprises a chamber containing a phase change material such as for example a paraffin.
    Document WO 2007/114615 describes a battery enclosed in a structure in which a heat transfer medium circulates, the battery being covered with a layer comprising a phase change material.
    Document FR 2847973 describes a heat exchanger for a heat transfer fluid circuit, applied to air conditioning evaporators of motor vehicles. The evaporator includes a thermal storage fluid formed from a phase change material selected from paraffins, hydrated salts and eutectic compounds.
    Document WO 2011/072988 describes a device as well as a method for controlling the temperature of a vehicle, comprising at least one phase change material which can be brought into thermal contact with the passenger compartment and with the vehicle battery.
    Document US 2006/0168991 describes a vehicle air conditioning installation, comprising a compression refrigeration circuit and a thermal accumulator which comprises a heat storage medium. The heat storage medium can for example be a paraffin.
    There is a need to provide efficient and secure methods of cooling and / or heating a body or a fluid in a motor vehicle, while limiting or reducing the amount of flammable products in the vehicle or the proximity of these with the hottest parts of the vehicle.
    SUMMARY OF THE INVENTION
    The invention relates firstly to a method of cooling a body or a fluid in a motor vehicle, by means of a system comprising a vapor compression circuit in which a first heat transfer composition and a secondary circuit in which a second heat transfer composition flows, the method comprising:
    - the transfer of heat from the body or fluid to the second heat transfer composition, resulting in the evaporation of this second heat transfer composition;
    - the transfer of heat from the second heat transfer composition to the first heat transfer composition, causing the condensation of the second heat transfer composition and the evaporation of the first heat transfer composition.
    The invention also relates to a method of heating a body or a fluid in a motor vehicle, by means of a system comprising a vapor compression circuit in which a first heat transfer composition and a circuit circulates. secondary in which a second heat transfer composition circulates, the method comprising:
    - The transfer of heat from the second heat transfer composition to the body or fluid, causing the condensation of this second heat transfer composition;
    the heat transfer from the first heat transfer composition to the second heat transfer composition, causing the second heat transfer composition to evaporate and the first heat transfer composition to condense.
    In some embodiments, the fluid is air, and preferably the method is a method of air conditioning the passenger compartment of the vehicle or heating the passenger compartment of the vehicle; and / or the body is a battery; and / or the body is one or more electronic compounds.
    In some embodiments, the first heat transfer composition comprises 2,3,3,3-tetrafluoropropene.
    In some embodiments, the second heat transfer composition comprises one or more heat transfer compounds having a boiling temperature of 0 to 40 ° C, preferably selected from hydrochlorofluoroolefins, hydrofluoroolefins, and combinations of those -this ; preferably also chosen from 1-chloro-3,3,3-thfluoropropene, preferably in E form; 1-chloro-
    2,3,3,3-tetrafluoropropene preferably in Z form, and the
    1,1,1,4,4,4-hexafluorobut-2-ene in E and / or Z form.
    In certain embodiments, the second heat transfer composition is at a substantially uniform pressure in the secondary circuit, said pressure preferably being equal to the saturation pressure of the second composition.
    In certain embodiments, the motor vehicle is an electric or hybrid vehicle.
    The invention also relates to an installation for cooling and / or heating a body or a fluid in a motor vehicle comprising:
    - A vapor compression circuit in which a first heat transfer composition circulates; and
    - a secondary circuit in which a second heat transfer composition circulates;
    the vapor compression circuit being coupled with the secondary circuit by an intermediate heat exchanger, so as to evaporate the first heat transfer composition and to condense the second heat transfer composition, and / or to condense the first heat composition heat transfer and evaporating the second heat transfer composition; and the installation comprising an additional heat exchanger configured to transfer heat from the body or fluid to the second heat transfer composition by evaporating the second heat transfer composition, and / or configured to transfer heat from the second heat transfer composition to the body or fluid by condensing the second heat transfer composition.
    In some embodiments, the secondary circuit does not include a compressor.
    In some embodiments, the vapor compression circuit is reversible and further includes means for reversing its operation.
    In certain embodiments, the circulation of the second heat transfer composition in the secondary circuit after condensation thereof is carried out by means of a pump, or by gravity, or by capillarity.
    In certain embodiments, the secondary circuit comprises a plurality of additional heat exchangers configured to cool and / or heat a plurality of bodies or fluids preferably among the air, the passenger compartment, the battery, and the electronic compounds of the vehicle.
    In certain embodiments, the installation is suitable for air conditioning the passenger compartment of the vehicle, and / or heating the passenger compartment of the vehicle, and / or for cooling the vehicle battery, and / or heating of the vehicle battery, and / or the cooling of the electronic components of the vehicle, and / or the heating of the electronic components of the vehicle.
    In some embodiments, the first heat transfer composition comprises 2,3,3,3-tetrafluoropropene.
    In some embodiments, the second heat transfer composition comprises one or more heat transfer compounds having a boiling temperature of 0 to 40 ° C, preferably selected from hydrochlorofluoroolefins, hydrofluoroolefins, and combinations of those -this ; and more preferably from 1-chloro-3,3,3-thfluoropropene, preferably in E form, 1-chloro
    2,3,3,3-tetrafluoropropene preferably in Z form, and the
    1,1,1,4,4,4-hexafluorobut-2-ene in E and / or Z form.
    The invention also relates to a use for cooling and / or heating a body or a fluid in a motor vehicle, of a heat transfer composition comprising one or more heat transfer compounds having a temperature d 'boiling from 0 to 40 ° C, chosen from hydrochlorofluoroolefins, hydrofluoroolefins and combinations thereof.
    In certain embodiments, the hydrochlorofluoroolefin is chosen from 1-chloro-3,3,3-trifluoropropene and 1-chloro-2,3,3,3tetrafluoropropene, 1-chloro-3,3,3-trifluoropropene preferably being in form E, and 1-chloro-2,3,3,3-tetrafluoropropene being preferably in form Z; and the hydrofluoroolefin is 1,1,1,4,4,4-hexafluorobut-2-ene in E and / or Z form.
    In some embodiments, the heat transfer composition does not undergo compression or expansion; and wherein the heat transfer composition preferably exchanges heat with another heat transfer composition which circulates in a vapor compression circuit.
    In certain embodiments, the use is for air conditioning the passenger compartment of the vehicle, and / or heating the passenger compartment of the vehicle, and / or for cooling the vehicle battery, and / or heating the the vehicle battery, and / or the cooling of the vehicle's electronic compounds, and / or the heating of the vehicle's electronic compounds.
    The present invention makes it possible to meet the need expressed above. More particularly, it provides a method of cooling and / or heating a body or a fluid in an efficient and secure motor vehicle. It allows, if necessary, to limit or reduce the quantity of flammable products in the vehicle or the proximity of these to the hottest parts of the vehicle.
    According to certain aspects of the invention, this is accomplished through the use of two heat transfer compositions, one circulating in a vapor compression circuit and the other circulating in a secondary circuit, the vapor transfer composition. heat in the secondary circuit evaporating and condensing to effect the required heat transfers with the desired body or fluid. Preferably, the heat transfer composition in the secondary circuit does not contain a flammable heat transfer compound; or this composition is non-flammable. More particularly, when HFO-1234yf is used as heat transfer fluid in the vapor compression circuit, the use of the secondary circuit makes it possible to limit the extent of the vapor compression circuit and to decrease the amount of HFO- 1234yf used and / or to avoid proximity of the HFO-1234yf with the hottest parts of the vehicle or subjected to a high electric voltage, thereby reducing the risk of leakage and fire. In addition, the use of a secondary circuit facilitates the thermal management of the vehicle. More specifically, and if we take electric cars as an example, many heat sources (battery, electrical and electronic circuit, engine) as well as many heating and / or cooling needs (battery, passenger compartment) exist on different levels of temperatures. The use of a secondary circuit comprising a heat transfer fluid facilitates the thermal management of this equipment compared to other technologies.
    In some embodiments, the use of the secondary circuit also allows a reduction in energy consumption thanks to a low pumping power, compared to the use of a single-phase heat transfer fluid.
    In certain embodiments, the use of the secondary circuit comprising the second heat transfer composition allows the vehicle to be lightened, by avoiding the use of solid phase change materials to carry out the heat exchanges.
    In some embodiments, the second heat transfer composition that does not contain flammable heat transfer compounds, or is at least non-flammable, can also serve as an extinguishing agent in the event of the battery overheating. vehicle.
    BRIEF DESCRIPTION OF THE FIGURES
    FIG. 1 schematically represents an embodiment of an installation according to the invention.
    DESCRIPTION OF EMBODIMENTS OF THE INVENTION
    The invention is now described in more detail and without limitation in the description which follows.
    The invention relates to a heat transfer method for cooling and / or heating a body or a fluid in a motor vehicle, implemented by means of a heat transfer installation. The installation contains first and second heat transfer compositions, each heat transfer composition comprising a heat transfer fluid which includes one or more heat transfer compounds.
    By "heat transfer compound" is meant a compound capable of absorbing heat by evaporating and rejecting heat by condensing, in the application considered.
    In the context of the invention, the "HFO-1234yf" refers to
    2,3,3,3-tetrafluoropropene, "HCFO-1233zd" refers to
    1-chloro-3,3,3-thfluoropropene, "HCFO-1224yd" refers to 1-chloro-
    2,3,3,3-tetrafluoropropene, and the “HFO-1336mzz” refers to
    1,1,1,4,4,4-hexafluorobut-2-ene.
    The motor vehicle can be a thermal, electric, or hybrid vehicle, preferably an electric or hybrid vehicle. It comprises at least one motor, which can be an electric or thermal motor. When the vehicle is electric or hybrid, it includes an electronic circuit and a traction battery, referred to simply as battery below.
    Installation for cooling and / or heating in a vehicle
    The invention relates to a heat transfer method, comprising cooling and / or heating a body or a fluid in a motor vehicle, in a heat transfer installation.
    The process according to the invention can thus be a process for cooling the body or the fluid in the vehicle.
    Alternatively, the method according to the invention can be a method of heating the body or the fluid in the vehicle.
    Alternatively, the method according to the invention can be a method in which one or more phases of cooling the body or the fluid alternate with one or more phases of heating the body or the fluid.
    The method according to the invention is implemented by means of the installation presented below.
    The heat transfer installation comprises a vapor compression circuit which contains a first heat transfer composition (or refrigeration circuit) and a secondary circuit containing a second heat transfer composition (or heat transfer circuit).
    According to an embodiment of the invention, represented diagrammatically in FIG. 1, the vapor compression circuit 1 is coupled with the secondary circuit 2. The vapor compression circuit 1 comprises at least a first heat exchanger 3, a pressure reducer 4, an intermediate heat exchanger 5 and a compressor 6. The first heat exchanger 3 is preferably of the air / hydrogen coolant type, and it allows a heat exchange with an energy source such as air environment. The secondary circuit 2 comprises at least one additional heat exchanger 7.
    By "energy source" is meant a solid and / or liquid and / or gaseous body which can absorb or give up calories as needed. Examples of energy sources are outside air, interior air, battery and vehicle electronics.
    In refrigeration mode (cooling of a body or fluid in the vehicle), heat is transferred from the body or the fluid in the vehicle to the additional heat exchanger 7 causing the evaporation of the second heat transfer composition which circulates in the secondary circuit 2. The second heat transfer composition is then directed into the intermediate heat exchanger 5, which acts as the condenser for the secondary circuit 2. In the vapor compression circuit 1, the first heat transfer composition is compressed by the compressor 6, it passes through the first heat exchanger 3 acting as a condenser (that is to say transfers calories to a source such as outside air), then the regulator 4 where it is expanded, then the intermediate heat exchanger 5 playing the role of evaporator for the vapor compression circuit 1. Thus, in the heat exchanger of c intermediate hauler 5, heat is transferred from the second heat transfer composition to the first heat transfer composition, causing the second heat transfer composition to condense and the first heat transfer composition to evaporate. The first heat transfer composition then goes back to the compressor 6, while the second heat transfer composition goes to the additional heat exchanger 7, and allows cooling of the body or of the fluid in the vehicle.
    In heat pump mode (heating a body or fluid in the vehicle), not illustrated in FIG. 1, heat is transferred to the body or fluid in the vehicle from the additional heat exchanger 7 causing the condensation of the second heat transfer composition which circulates in the secondary circuit 2. The second heat transfer composition is then directed into the intermediate heat exchanger 5, which acts as an evaporator for the secondary circuit 2. In the vapor compression circuit 1, the first heat transfer composition is expanded in the regulator 4, it passes through the first heat exchanger 3 acting as an evaporator (that is to say absorbs calories from a source like the outside air), then the compressor 6 where it is compressed, then the intermediate heat exchanger 5 playing the role of condenser for the vapor compression circuit 1. Thus, in the intermediate heat exchanger 5, heat is transferred from the first heat transfer composition to the second heat transfer composition, causing the first heat transfer composition to condense and evaporate. of the second heat transfer composition. The first heat transfer composition then goes back to the pressure reducer 4, while the second heat transfer composition goes to the additional heat exchanger 7, and allows the heating of the body or of the fluid in the vehicle.
    In certain embodiments, the same heat exchanger can perform the function of the intermediate exchanger 5 or the first heat exchanger 3 described above, depending on the operating mode. Additional exchangers can also be added to perform the same functions. A set of pipes and valves can be used to ensure the change of function for each exchanger.
    In certain embodiments, the vapor compression circuit 1 is reversible and may further comprise means for reversing its operation.
    The means for reversing the operation of the reversible steam compression circuit 1 are means for reversing the operation of the steam compression circuit 1 between a configuration in refrigeration mode and a configuration in heat pump mode.
    The abovementioned inversion means may be means for modifying the course of the first heat transfer composition in the reversible vapor compression circuit 1, or means for reversing the direction of circulation of the first heat transfer composition in said circuit 1.
    The above-mentioned reversing means can be a four-way valve, a reversing valve, a stop (closing) valve, a pressure regulator, or combinations thereof.
    For example, when reversing the operating mode of the vapor compression circuit 1, the role of a heat exchanger can be changed: for example, a heat exchanger can play the role of a condenser in a mode or the role of an evaporator in a heat pump mode or vice versa.
    Alternatively, when the operating mode of the vapor compression circuit 1 is reversed, the role of a heat exchanger can remain the same. The heat exchanger being simply connected to other sources of energy, through valves, can absorb or transfer calories depending on its function in the vapor compression circuit 1.
    In some embodiments, the first heat transfer composition can flow through the vapor compression circuit 1 in one direction.
    In certain embodiments, the first heat transfer composition can circulate in the vapor compression circuit 1 in two directions, that is to say a first direction and an opposite direction.
    The reversible steam compression circuit 1 can typically contain pipes, hoses, hoses, tanks or the like, in which the first heat transfer composition circulates, between the different exchangers, regulators, valves, etc.
    Depending on the operating mode of the vapor compression circuit 1, refrigeration or heat pump, the first heat exchanger 3 can play the role of evaporator or energy recovery (condenser). The same is true for the intermediate heat exchanger 5.
    It is possible to use any type of heat exchanger in the vapor compression circuit 1, and in particular co-current heat exchangers or, preferably, counter-current heat exchangers.
    According to a preferred embodiment, the invention provides that the cooling and heating methods, and the corresponding installations, comprise a counter-current heat exchanger, either at the first heat exchanger 3 or at the heat exchanger. intermediate 5. In fact, the heat transfer compositions described in the present application are particularly effective with counter-current heat exchangers. Preferably, both the first heat exchanger 3 and the intermediate heat exchanger 5 are counter-current heat exchangers.
    According to the invention, the term “counter-current heat exchanger” means a heat exchanger in which heat is exchanged between a first fluid and a second fluid, the first fluid at the inlet of the exchanger exchanging heat with the second fluid at the outlet of the exchanger, and the first fluid at the outlet of the exchanger exchanging heat with the second fluid at the inlet of the exchanger.
    For example, counter-current heat exchangers include devices in which the flow of the first fluid and the flow of the second fluid are in opposite directions, or almost opposite. Exchangers operating in cross-current mode with counter-current tendency are also included among the counter-current heat exchangers within the meaning of the present application.
    The compressor 6 can be hermetic, semi-hermetic or open. Hermetic compressors include a motor part and a compression part which are confined in a non-removable hermetic enclosure. Semi-hermetic compressors include a motor part and a compression part which are directly assembled one against the other. The coupling between the engine part and the compression part is accessible by dissociating the two parts by disassembly. The open compressors include a motor part and a compression part which are separate. They can operate by belt drive or by direct coupling.
    As a compressor, it is possible in particular to use a dynamic compressor, or a positive displacement compressor.
    Dynamic compressors include axial compressors and centrifugal compressors, which can be one or more stages. Centrifugal mini-compressors can also be used.
    Positive displacement compressors include rotary compressors and reciprocating compressors.
    Reciprocating compressors include diaphragm compressors and piston compressors.
    Rotary compressors include screw compressors, lobe compressors, scroll (or scroll) compressors, liquid ring compressors, and vane compressors. The screw compressors can preferably be twin-screw or single-screw.
    In the installation which is used, the compressor 6 can be driven by an electric motor or by a gas turbine (for example powered by vehicle exhaust gases) or by gear.
    In the installation which is used, the compressor 6 may comprise a device for injecting steam or liquid. The injection consists in introducing refrigerant in the liquid or vapor state into the compressor at an intermediate level between the start and the end of compression.
    The secondary circuit 2 comprises at least one additional heat exchanger 7.
    Each additional heat exchanger 7 can be a fluid / solid type exchanger, or the fluid / fluid type, or the fluid / air type (for heating or cooling air, for example cabin air). In the latter two cases, again the additional heat exchanger (s) 7 may be co-current heat exchangers or, preferably, counter-current heat exchangers.
    The additional heat exchangers 7 can be configured to cool and / or heat a plurality of bodies or fluids, preferably from the air, in particular cabin air, the battery, and electronic components of the vehicle. To cool or heat the battery or electronic compounds, it is possible to cool or heat the air that is blown to the battery or electronic compounds; or else to put the additional exchanger 7 directly in contact with the battery or the electronic compounds, or to integrate it into the battery or the electronic compounds.
    In some embodiments, the secondary circuit 2 does not include a compressor.
    In certain embodiments, the second heat transfer composition is at a substantially uniform pressure in the secondary circuit, said pressure being equal to the saturation pressure of the second heat transfer composition at the temperature of the second transfer composition heat. A slight deviation is possible in the event of a pressure drop. The temperature of the second heat transfer composition is preferably uniform in the secondary circuit.
    In some embodiments, the second heat transfer composition remains at a constant temperature during the process.
    By "saturation pressure" is meant the pressure at which a gas phase of a composition is in equilibrium with a liquid phase at a given temperature in a closed system.
    In certain embodiments, the secondary circuit 2 can comprise one or more valves, in particular when it comprises several additional heat exchangers 7, in order to orient the second heat transfer composition to one or more specific additional heat exchangers 7 ; and / or in order to allow the change of the direction of circulation of the second heat transfer composition in all or part of the secondary circuit 2.
    In certain embodiments, the second heat transfer composition can circulate in all or part of the secondary circuit 2 in a single direction.
    In certain embodiments, the second heat transfer composition can circulate in all or part of the secondary circuit 2 in both directions, that is to say a first direction and an opposite direction.
    In certain embodiments, the circulation of the second heat transfer composition in the secondary circuit 2 of the intermediate heat exchanger 5 towards the additional heat exchanger (s) 7, and / or of the additional heat exchanger (s) 7 towards the intermediate heat exchanger 5 can be carried out by means of a pump, or by gravity, or by capillarity.
    In this installation according to the invention, the vapor compression circuit 1 can be coupled with the secondary circuit 2 by the intermediate heat exchanger 5. Thus, the intermediate heat exchanger 5 can be crossed by both the first heat transfer composition and by the second heat transfer composition.
    When the installation is used for cooling a body or a fluid in a vehicle, the intermediate heat exchanger 5 can evaporate the first heat transfer composition and condense the second heat transfer composition, and l the additional heat exchanger 7 is configured to transfer body heat or fluid to the second heat transfer composition.
    When the installation is used for heating a body or a fluid in a vehicle, the intermediate heat exchanger 5 can condense the first heat transfer composition and evaporate the second heat transfer composition, and l the additional heat exchanger 7 is configured to transfer heat from the second heat transfer composition to the body or the fluid by condensing the second heat transfer composition.
    In the context of the present application, each evaporation and each condensation may be total or partial.
    Evaporation can thus consist of starting from the liquid state to go to the vapor state; or from the liquid / vapor two-phase state to the vapor state; or from the liquid state to the liquid / vapor two-phase state; or from a liquid / vapor two-phase state to another liquid / vapor two-phase state.
    Condensation can thus consist of starting from the vapor state to go to the liquid state; or from the vapor state to the liquid / vapor two-phase state; or from the liquid / vapor two-phase state to the liquid state; or from a liquid / vapor two-phase state to another liquid / vapor two-phase state.
    Evaporation and condensation can take place at a constant temperature, or at a variable temperature in the case of non-azeotropic mixtures of heat transfer compounds.
    In some embodiments, in the intermediate heat exchanger 5, a composition (the first heat transfer composition or the second heat transfer composition) is at a lower temperature than the other; preferably, the temperature differential is less than 12 ° C, preferably less than 8 ° C, and more preferably less than 5 ° C. Assuming that the temperature of a composition is not constant in the intermediate heat exchanger 5, for the estimation of the temperature differential above we take as reference the median temperature between the inlet and the outlet of the intermediate heat exchanger.
    In certain embodiments, the installation and the method of the invention are suitable for air conditioning the passenger compartment of the vehicle.
    In certain embodiments, the installation and the method of the invention are suitable for heating the passenger compartment of the vehicle.
    In certain embodiments, the installation and the method of the invention are suitable for cooling the vehicle battery.
    In certain embodiments, the installation and the method of the invention are suitable for heating the vehicle battery.
    In certain embodiments, the installation and the method of the invention are suitable for cooling the electronic components of the vehicle.
    In certain embodiments, the installation and the method of the invention are suitable for heating the electronic components of the vehicle.
    In certain embodiments, the installation and the method of the invention are suitable for air conditioning the passenger compartment of the vehicle, and / or heating the passenger compartment for the vehicle, and / or cooling the vehicle battery. , and / or the heating of the vehicle battery, and / or the cooling of the electronic components of the vehicle, and / or the heating of the electronic components of the vehicle.
    Heat transfer composition
    The invention uses a first heat transfer composition and a second heat transfer composition, each heat transfer composition comprising a heat transfer fluid optionally combined with lubricants and / or additives. The heat transfer fluid may include one or more heat transfer compounds.
    The first heat transfer composition is present and circulates in the vapor compression circuit.
    In some embodiments, the heat transfer fluid of the first heat transfer composition consists essentially, or even consists, of HFO-1234yf.
    In other embodiments, this heat transfer fluid comprises HFO-1234yf in admixture with one or more other heat transfer compounds, such as hydrofluorocarbons and / or hydrofluoroolefins and / or hydrocarbons and / or hydrochlorofluoroolefins and / or CO2.
    Among the hydrofluorocarbons, mention may in particular be made of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a), fluoroethane (HFC-161), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1 , 1,1-trifluoropropane (HFC-263fb) and mixtures thereof.
    Among the hydrofluoroolefins, mention may in particular be made of 1,3,3,3tetrafluoropropene (HFO-1234ze), in cis and / or trans form, and preferably in trans form; and trifluoroethylene (HFO-1123).
    Among the hydrochlorofluoroolefins, mention may in particular be made of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), in Z and / or E form, and preferably in E form.
    In certain embodiments, this heat transfer fluid comprises at least 50% of HFO-1234yf, or at least 60% of HFO-1234yf, or at least 70% of HFO-1234yf, or at least 80% of HFO- 1234yf, or at least 90% HFO-1234yf, or at least 95% HFO-1234yf, by weight.
    The additives which may be present in the first heat transfer composition of the invention can in particular be chosen from nanoparticles, stabilizers, surfactants, tracer agents, fluorescent agents, odorous agents and solubilizing agents.
    The total amount of additives does not exceed 5% by weight, in particular 4%, in particular 3% and very particularly 2% by weight or even 1% by weight of the first heat transfer composition.
    In some embodiments, HFO-1234yf contains impurities. When present, they can represent less than 1%, preferably less than 0.5%, preferably less than 0.1%, preferably less than 0.05% and preferably less than 0.01% ( by weight) compared to HFO-1234yf.
    One or more lubricants may be present in the first heat transfer composition. These lubricants can be chosen from polyol esters (POE), polyalkylene glycols (PAG), or polyvinyl ethers (PVE).
    The lubricants can represent from 1 to 50%, preferably from 2 to 40% and more preferably from 5 to 30% (by weight) of the first heat transfer composition.
    The heat transfer fluid of the second heat transfer composition may comprise one or more heat transfer compounds having a boiling temperature of 0 to 40 ° C, preferably 5 to 35 ° C and more preferably of 8 to 34 ° C.
    By "boiling temperature of a compound" is meant the temperature at which the compound boils under a pressure of 1 bar.
    In some embodiments, the heat transfer fluid of the second heat transfer composition has a boiling temperature of 0 to 40 ° C, preferably 5 to 35 ° C and more preferably 8 to 34 ° vs.
    If several compounds are mixed, the boiling temperature of the mixture corresponds to the average between the start of boiling temperature and the end of boiling temperature at a pressure of 1 bar.
    In certain embodiments, the heat transfer compound (s) having a boiling temperature of 0 to 40 ° C., can be chosen from hydrochlorofluoroolefins, hydrofluoroolefins, and combinations thereof.
    In certain embodiments, the hydrochlorofluoroolefins can be chosen from 1-chloro-3,3,3-thfluoropropene (HCFO-1233zd) and 1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd) and combinations of these.
    HCFO-1233zd can be in E and / or Z form.
    Preferably HCFO-1233zd comprises more than 50 mol.% Of form E, preferably more than 60 mol.% Of form E, preferably more than 70 mol.% Of form E, preferably more than 80 mol .% of form E, preferably more than 85 mol.% of form E, preferably more than 90 mol.% of form E, preferably more than 95 mol.% of form E, preferably more than 98 mol% of form E and more preferably more than 99 mol.% Of form E. Preferably, it is entirely in form E.
    HCFO-1224yd can be in E and / or Z form.
    Preferably HCFO-1224yd comprises more than 50 mol.% Of form Z, preferably more than 60 mol.% Of form Z, preferably more than 70 mol.% Of form Z, preferably more than 80 mol .% of form Z, preferably more than 85 mol.% of form Z, preferably more than 90 mol.% of form Z, preferably more than 95 mol.% of form Z, preferably more than 98 mol% of form Z and more preferably more than 99 mol.% Of form Z. Preferably, it is entirely in form Z.
    In certain embodiments, the hydrofluoroolefin can be the
    1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz) in E and / or Z form.
    The HFO-1336mzz can thus comprise more than 50 mol.% Of the Z form, preferably more than 60 mol.% Of the Z form, preferably more than 70 mol.% Of the Z form, preferably more than 80 mol .% of form Z, preferably more than 85 mol.% of form Z, preferably more than 90 mol.% of form Z, preferably more than 95 mol.% of form Z, preferably more than 98 mol% of form Z and more preferably more than 99 mol.% Of form Z. It can be entirely in form Z.
    Alternatively, HFO-1336mzz can comprise more than 50 mol.% Of form E, preferably more than 60 mol.% Of form E, preferably more than 70 mol.% Of form E, preferably more than 80 mol.% of form E, preferably more than 85 mol.% of form E, preferably more than 90 mol.% of form E, preferably more than 95 mol.% of form E, preferably more 98 mol% of form E and more preferably more than 99 mol.% of form E. It can be entirely in form E.
    In some embodiments, the heat transfer compounds used in the second heat transfer composition have a latent heat of evaporation at 20 ° C greater than 100 kJ / kg, preferably greater than 110 kJ / kg, again of preferably more than 120 kJ / kg, more preferably more than 130 kJ / kg, more preferably more than 140 kJ / kg, more preferably more than 150 kJ / kg, and more preferably more than 160 kJ / kg.
    The latent heat values of the heat transfer compounds preferentially used in the second composition as heat transfer fluid are presented in the table below for a temperature of 20 ° C. The highest latent heat is observed for HCFO-1233zd (E).
    Heat transfer compound Temperature (° C) Pressure (bar) Latent heat of evaporation (kJ / kg) HCFO-1233zd (E) 20 1.07 194 HFO-1336mzz (Z) 20 0.6 171 HFO-1336mzz (E) 20 1.66 141 HCFO-1224yd (Z) 20 1.26 164
    In some embodiments, the heat transfer fluid of the second heat transfer composition comprises a single heat transfer compound.
    In some embodiments, the heat transfer fluid of the second heat transfer composition may be a binary mixture of heat transfer compounds.
    In some embodiments, the heat transfer fluid of the second heat transfer composition may be a ternary mixture of heat transfer compounds.
    The second heat transfer composition is present and circulates in the secondary circuit.
    In certain embodiments, the second heat transfer composition does not undergo compression or expansion.
    In certain embodiments, the second heat transfer composition comprises at least 50% of heat transfer fluid, or at least 60% of heat transfer fluid, or at least 70% of heat transfer fluid, or at least 80% of heat transfer fluid, or at least 90% of heat transfer fluid, or at least 95% of heat transfer fluid, by weight.
    In some embodiments, the heat transfer fluid of the second heat transfer composition consists essentially, or even consists of heat transfer compounds.
    The additives which may be present in the second heat transfer composition of the invention are the same as those described above in connection with the first heat transfer composition, the same concentration ranges applying.
    权利要求:
    Claims (14)
    [1" id="c-fr-0001]
    1. A method of cooling a body or a fluid in a motor vehicle, by means of a system comprising a vapor compression circuit in which a first heat transfer composition circulates and a secondary circuit in which a second heat transfer composition, the method comprising:
    - the transfer of heat from the body or fluid to the second heat transfer composition, resulting in the evaporation of this second heat transfer composition;
    - the transfer of heat from the second heat transfer composition to the first heat transfer composition, causing the condensation of the second heat transfer composition and the evaporation of the first heat transfer composition.
    [2" id="c-fr-0002]
    2. A method of heating a body or a fluid in a motor vehicle, by means of a system comprising a vapor compression circuit in which a first heat transfer composition circulates and a secondary circuit in which a second heat transfer composition, the method comprising:
    - The transfer of heat from the second heat transfer composition to the body or fluid, causing the condensation of this second heat transfer composition;
    the heat transfer from the first heat transfer composition to the second heat transfer composition, causing the second heat transfer composition to evaporate and the first heat transfer composition to condense.
    [3" id="c-fr-0003]
    3. Method according to claim 1 or 2, wherein the fluid is air, and preferably the method is a method of air conditioning the passenger compartment of the vehicle or heating the passenger compartment of the vehicle; and / or the body is a battery; and / or the body is one or more electronic compounds.
    [4" id="c-fr-0004]
    4. Method according to one of claims 1 to 3, wherein the first heat transfer composition comprises 2,3,3,3-tetrafluoropropene.
    [5" id="c-fr-0005]
    5. Method according to one of claims 1 to 4, wherein the second heat transfer composition comprises one or more heat transfer compounds having a boiling temperature of 0 to 40 ° C, preferably chosen from hydrochlorofluoroolefins , hydrofluoroolefins, and combinations thereof; preferably also chosen from 1-chloro-3,3,3-thfluoropropene, preferably in E form; 1-chloro-2,3,3,3-tetrafluoropropene preferably in Z form, and
    1,1,1,4,4,4-hexafluorobut-2-ene in E and / or Z form.
    [6" id="c-fr-0006]
    6. Method according to one of claims 1 to 5, wherein the second heat transfer composition is at a substantially uniform pressure in the secondary circuit, said pressure preferably being equal to the saturation pressure of the second composition.
    [7" id="c-fr-0007]
    7. Method according to one of claims 1 to 6, wherein the motor vehicle is an electric or hybrid vehicle.
    [8" id="c-fr-0008]
    8. Installation for cooling and / or heating a body or a fluid in a motor vehicle comprising:
    - a vapor compression circuit (1) in which a first heat transfer composition circulates; and
    - a secondary circuit (2) in which a second heat transfer composition circulates;
    the vapor compression circuit (1) being coupled with the secondary circuit (2) by an intermediate heat exchanger (5), so as to evaporate the first heat transfer composition and to condense the second heat transfer composition, and / or condensing the first heat transfer composition and evaporating the second heat transfer composition; and the installation comprising an additional heat exchanger (7) configured to transfer body heat or fluid to the second heat transfer composition by evaporating the second heat transfer composition, and / or configured to transfer heat of the second heat transfer composition to the body or fluid by condensing the second heat transfer composition.
    [9" id="c-fr-0009]
    9. Installation according to claim 8, wherein the vapor compression circuit (1) is reversible and further comprises means for reversing its operation.
    [10" id="c-fr-0010]
    10. Installation according to one of claims 8 or 9, in which the circulation of the second heat transfer composition in the secondary circuit (2) after condensation thereof is carried out by means of a pump, or by gravity. , or by capillarity.
    [11" id="c-fr-0011]
    11. Installation according to one of claims 8 to 10, in which the secondary circuit (2) comprises a plurality of additional heat exchangers (7) configured to cool and / or heat a plurality of bodies or fluids preferably among the air, interior, battery, and vehicle electronics.
    [12" id="c-fr-0012]
    12. Installation according to one of claims 8 to 11, suitable for air conditioning the passenger compartment of the vehicle, and / or heating the passenger compartment of the vehicle, and / or for cooling the vehicle battery, and / or the heating of the vehicle battery, and / or the cooling of the electronic components of the vehicle, and / or the heating of the electronic components of the vehicle.
    [13" id="c-fr-0013]
    13. Installation according to one of claims 8 to 12, wherein the first heat transfer composition comprises 2,3,3,3-tetrafluoropropene.
    [14" id="c-fr-0014]
    14. Installation according to one of claims 8 to 13, wherein the second heat transfer composition comprises one or more heat transfer compounds having a boiling temperature of 0 to 40 ° C, preferably chosen from hydrochlorofluoroolefins , hydrofluoroolefins, and combinations thereof; and more preferably from 1-chloro-3,3,3-thfluoropropene preferably in form E, 1-chloro-2,3,3,3-tetrafluoropropene preferably in form Z, and the
    1,1,1,4,4,4-hexafluorobut-2-ene in E and / or Z form.
    1/1

    Fig. 1
    FRENCH REPUBLIC will
    I NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY
    PRELIMINARY SEARCH REPORT based on the latest claims filed before the start of the search
    National registration number
    FA 861077
    FR 1853272
    DOCUMENTS CONSIDERED AS RELEVANT Relevant claim (s) Classification attributed to the invention by ΙΊΝΡΙ Category Citation of the document with indication, if necessary, of the relevant parts X JP 2018 013260 A (ISHIKAWA ENERGY RES CO LTD) January 25, 2018 (2018-01-25)* paragraphs [0020], [0026], [0040] [0044]; figures 2.5 * 1-3,6-8,10.12 F25B7 / 00B60H1 / 00F28D20 / 02 X W0 2017/143018 Al (HONEYWELL INT INC [US])August 24, 2017 (2017-08-24)* pages 32-35; figures 1.5 ** page 9, paragraph 2 * 1-14 X W0 2011/056824 A2 (DU PONT [US]; MINOR BARBARA HAVILAND [US] ET AL.)May 12, 2011 (2011-05-12)* page 2, paragraph 1; claim 1; Figures 1.4; table 3 ** pages 17-19 ** pages 23-29 * 1-5,7,8,11,13,14 X DE 20 2014 010264 U1 (SIEMENS AG [DE])February 25, 2015 (2015-02-25) 1-3,5,8,14* paragraphs [0005], [0040] - [0042]; figure2 *TECHNICAL AREAS SOUGHT (IPC) AT W0 2009/114398 Al (ARKEMA INC [US]; VAN HORN BRETT L [US]; BONNET PHILIPPE [US]) September 17, 2009 (2009-09-17)* the entire document * 4,5,13,14 F25BB60H AT W0 2011/073934 Al (ARKEMA FRANCE [FR]; ANDRE DAVID [FR] ET AL.)June 23, 2011 (2011-06-23)* page 28, line 1 - page 29, line 16 * 4,5,13,14 AT FR 2 937 906 Al (ARKEMA FRANCE [FR])May 7, 2010 (2010-05-07)* page 9; figure 1 * 9- / -
    Research completion date
    Examiner
    July 9, 2019
    Ritter, Christoph
    EPO FORM 1503 12.99 (P04C14)
    CATEGORY OF DOCUMENTS CITED
    X: particularly relevant on its own
    Y: particularly relevant in combination with another document in the same category
    A: technological background
    O: unwritten disclosure
    P: intermediate document
    T: theory or principle underlying the invention
    E: patent document with a date prior to the filing date and which was only published on that filing date or on a later date.
    D: cited in the request
    L: cited for other reasons &: member of the same family, corresponding document page 1 of 2
    FRENCH REPUBLIC will
    I NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY
    PRELIMINARY SEARCH REPORT based on the latest claims filed before the start of the search
    National registration number
    FA 861077
    FR 1853272
    EPO FORM 1503 12.99 (P04C14)
    DOCUMENTS CONSIDERED AS RELEVANT Relevant claim (s) Classification attributed to the invention by ΙΊΝΡΙ Category Citation of the document with indication, if necessary, of the relevant parts ATATAT W0 2013/164439 Al (VALEO SYSTEMSTHERMAL [FR])November 7, 2013 (2013-11-07)* figure 1 *EP 1 302 731 Al (PEUGEOT CITROËN AUTOMOBILES SA [FR])April 16, 2003 (2003-04-16)* the entire document *US 2016/010898 Al (TAKEUCHI MASAYUKI [JP]ET AL) January 14, 2016 (2016-01-14)* the entire document * 9111-14 TECHNICAL AREAS SOUGHT (IPC) Research completion dateJuly 9, 2019 ExaminerRitter, Christoph CATEGORY OF DOCUMENTS CITED T: theory or principle underlying the inventionE: patent document with an earlier date X: particularly relevant on its own at the filing date and which was not published until that dateY: particularly relevant in combination with a deposit or at a later date.other document of the same category D; cited in requestA: technological background L: cited for other reasonsO: unwritten disclosureP: interlayer document &: member of the same family, corresponding document
    page 2 of 2
    ANNEX TO THE PRELIMINARY RESEARCH REPORT
    RELATING TO THE FRENCH PATENT APPLICATION NO. FR 1853272 FA 861077
    EPO FORM P0465
    This appendix indicates the members of the patent family relating to the patent documents cited in the preliminary search report referred to above.
    The said members are contained in the computer file of the European Patent Office on the date of O9-0 / -Z019
    The information provided is given for information only and does not engage the responsibility of the European Patent Office or the French Administration
    Patent document cited in the research report Publication date Patent family member (s) Publication date JP 2018013260 AT 25-01-2018 JP 2018013260 AT 25-01-2018 wo 2018016318 al 25-01-2018 wo 2017143018 al 24-08-2017 JP 2019504985 AT 21-02-2019 KR 20180107280 AT 01-10-2018 WO 2017143018 al 24-08-2017 wo 2011056824 A2 12-05-2011 AR 078902 al 14-12-2011 AT 2010315264 al 03-05-2012 BR 112012010481 A2 15-03-2016 IT 2779093 al 12-05-2011 CN 102686957 AT 19-09-2012 CO 6541600 A2 16-10-2012 EP 2591296 A2 15-05-2013 JP 2013510286 AT 21-03-2013 KR 20120102673 AT 18-09-2012 UK 2012122709 AT 10-12-2013 TW 201124687 AT 16-07-2011 US 2012216551 al 30-08-2012 WO 2011056824 A2 12-05-2011 OF 202014010264 U1 25-02-2015 NOWO 2009114398 al 17-09-2009 AT 2015223326 al 08-09-2016 IT 2940623 al 03-09-2015 CN 101687738 AT 31-03-2010 CN 101688107 AT 31-03-2010 CN 103351849 AT 16-10-2013 CN 105505323 AT 20-04-2016 EP 2164917 al 24-03-2010 EP 2247562 al 10-11-2010 EP 2758364 al 30-07-2014 EP 3110901 al 04-01-2017 ES 2656411 T3 27-02-2018 JP 5535908 B2 02-07-2014 JP 6503388 B2 17-04-2019 JP 2010531927 AT 30-09-2010 JP 2010531970 AT 30-09-2010 JP 2014148675 AT 21-08-2014 JP 2017082248 AT 18-05-2017 JP 2017512965 AT 25-05-2017 JP 2019045135 AT 22-03-2019 KR 20100017979 AT 16-02-2010 KR 20100017985 AT 16-02-2010 KR 20100017988 AT 16-02-2010 KR 20160125975 AT 01-11-2016
    For any information concerning this annex: see Official Journal of the European Patent Office, No.12 / 82 page 1 of 3
    ANNEX TO THE PRELIMINARY RESEARCH REPORT
    RELATING TO THE FRENCH PATENT APPLICATION NO. FR 1853272 FA 861077
    EPO FORM P0465
    This appendix indicates the members of the patent family relating to the patent documents cited in the preliminary search report referred to above.
    The said members are contained in the computer file of the European Patent Office on the date of O9-0 / -Z019
    The information provided is given for information only and does not engage the responsibility of the European Patent Office or the French Administration
    Patent document cited in the research report Publication date Patent family member (s) Publication date PL 2247562 T3 30 03-2018 US 2010326095 al 30 12-2010 US 2011012052 al 20 01-2011 US 2012007016 al 12 01-2012 US 2013246288 al 19 09-2013 US 2014165626 al 19 06-2014 us 2014174110 al 26 06-2014 us 2017029679 al 02 02-2017 WO 2009114398 al 17 09-2009 WO 2009151669 al 17 12-2009 WO 2013043425 al 28 03-2013 WO 2015130589 al 03 09-2015 wo 2011073934 al 23-06-2011 CN 102762686 AT 31 10-2012 EP 2513244 al 24 10-2012 FR 2954342 al 24 06-2011 JP 6194174 B2 06 09-2017 JP 2013514516 AT 25 04-2013 JP 2016104879 AT 09 06-2016 JP 2018009184 AT 18 01-2018 US 2012255316 al 11 10-2012 US 2019016937 al 17 01-2019 WO 2011073934 al 23 06-2011 FR 2937906 al 07-05-2010 CN 102203209 AT 28 09-2011 DK 2342302 T3 19 06-2017 EP 2342302 al 13 07-2011 EP 3205699 al 16 08-2017 ES 2627319 T3 27 07-2017 FR 2937906 al 07 05-2010 HU E034395 T2 28 02-2018 HE 212354 AT 31 03-2016 JP 6258253 B2 10 01-2018 JP 2012507682 AT 29 03-2012 JP 2015163836 AT 10 09-2015 JP 2018063108 AT 19 04-2018 PL 2342302 T3 31 08-2017 PT 2342302 T 08 06-2017 US 2011240254 al 06 10-2011 WO 2010061084 al 03 06-2010 WO 2013164439 al 07-11-2013 EP 2844934 al 11 03-2015 FR 2990264 al 08 11-2013 WO 2013164439 al 07 11-2013 EP 1302731 al 16-04-2003 OF 60223979 T2 18 12-2008
    For any information concerning this annex: see Official Journal of the European Patent Office, No.12 / 82 page 2 of 3
    ANNEX TO THE PRELIMINARY RESEARCH REPORT
    RELATING TO THE FRENCH PATENT APPLICATION NO. FR 1853272 FA 861077
    This appendix indicates the members of the patent family relating to the patent documents cited in the preliminary search report referred to above.
    The said members are contained in the computer file of the European Patent Office on the date of O9-0 / -Z019
    The information provided is given for information only and does not engage the responsibility of the European Patent Office or the French Administration
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    法律状态:
    2019-03-13| PLFP| Fee payment|Year of fee payment: 2 |
    2019-10-18| PLSC| Search report ready|Effective date: 20191018 |
    2020-03-12| PLFP| Fee payment|Year of fee payment: 3 |
    2021-03-10| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1853272|2018-04-13|
    FR1853272A|FR3080169B1|2018-04-13|2018-04-13|PROCESS FOR COOLING AND / OR HEATING A BODY OR A FLUID IN A MOTOR VEHICLE|FR1853272A| FR3080169B1|2018-04-13|2018-04-13|PROCESS FOR COOLING AND / OR HEATING A BODY OR A FLUID IN A MOTOR VEHICLE|
    EP19722937.0A| EP3775715A1|2018-04-13|2019-04-11|Method for cooling and/or heating a body or a fluid in a motor vehicle|
    PCT/FR2019/050857| WO2019197783A1|2018-04-13|2019-04-11|Method for cooling and/or heating a body or a fluid in a motor vehicle|
    JP2020537470A| JP2021517955A|2018-04-13|2019-04-11|How to cool and / or heat an object or fluid in a car|
    US16/965,533| US20210046802A1|2018-04-13|2019-04-11|Method for cooling and/or heating a body or a fluid in a motor vehicle|
    CN201980013244.4A| CN111727350A|2018-04-13|2019-04-11|Method for cooling and/or heating an object or a fluid in a motor vehicle|
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