Abstract: A method for changing a temperature of the interior volume of a thermally insulated space to a preset temperature and maintaining it at the preset temperature using two thermochemical systems which can be connected to an external energy source. The reactor of one of the systems is heated until fully regenerated, while the other system keeps the temperature at the preset temperature; when the reactor is fully regenerated, the system comprising the regenerated reactor is used to maintain the preset temperature and the reactor of the other system is heated to regenerate it as long as it is connected to the external energy source.

Abstract: The present invention relates to a self-contained trolley for temperature conditioning and distribution of meal trays (13) comprising two compartments separated by an insulating wall (11), namely a compartment for heating, called the hot compartment, and a compartment for chilling, called the cold compartment, receiving at least one stack of meal trays arranged so that one part of each meal tray (13) is located in the hot compartment and the other part thereof is located in the cold compartment, wherein the heating of the hot compartment and the chilling of the cold compartment are simultaneously obtained by means of a thermochemical system.

Abstract: The present invention relates to a device that can be used for heating and/or refrigerating and/or maintaining the temperature of a receptacle.

Abstract: The present invention relates to a method for getting the interior volume of a thermally insulated space (5) up to temperature and maintaining it at temperature using two thermochemical systems (TCU1; TCU2). According to the invention, a suitable device is supplied and steps are taken to ensure that all the fluid of each of said systems (TCU1; TCU2) is contained in the reservoir (1; 2) of each of said systems (TUC1; TCU2); at least one of said systems (TCU; TCU2) is used to bring said space to a setpoint temperature, a) the reactor (15; 25) of one of said systems (TCU1; TCU2) is heated until fully regenerated, while the other system (TCU1; TCU2) keeps the temperature at said setpoint temperature; b) when the reactor (15; 25) is fully regenerated, said system comprising the reactor that has just been regenerated is used to maintain the temperature and the reactor (15; 25) of the other system (TCU1; TCU2) is heated long as said connection means are connected to said external energy.

Abstract: A system and a thermochemical method for the production of cold, that uses a reactive device having a reactor or a chamber for storing a reactive product that can absorb a gas. The reactive product and the gas are such that, when they are exposed to one another, they undergo a reaction resulting in absorption of the gas by the reactive product and, conversely, they undergo a reaction involving the desorption of the gas absorbed by the reactive product as a result of heat applied to the reactive product when it absorbed the gas. The system has two substantially identical reactive devices wherein when the reactor of one reactive device is operating in the absorption cycle, the reactor of the other is operating in the desorption cycle. The system has a mechanism for determining the progress rate of the thermochemical reaction.

Abstract: The present invention relates to an enclosure which is refrigerated and kept at a predetermined set temperature (Te), containing the evaporator (7) of a refrigerating unit (5).

Abstract: The invention relates to a method for filling a tank (1) with a gas in gaseous phase in order to store said gas in solid phase, in which the gas is introduced into the tank (1) at either: a filling pressure (Pr) equal to the equilibrium pressure of a reactant product at a filling temperature plus ? times the difference between the saturation vapor pressure (PS) of the gas at the filling temperature (Tr) and the equilibrium pressure of the reactant product, ? being between 0.1 and 0.9; or a filling temperature (Tr) equal to the vaporization temperature of the gas at the filling pressure (Pr) plus ? times the difference between the equilibrium temperature (Te) of the reactant product at the filling pressure (Pr) and the vaporization temperature of the gas, ? being between 0.1 and 0.9.

Abstract: The present invention relates to a thermochemical system comprising a reactor, or an enclosure for storing a solid reactive material capable of absorbing a gas, the reactive material and the gas being such that, when placed together, a chemical reaction occurs which results in the gas being absorbed by the reactive material, and a reverse chemical reaction occurs, wherein the gas absorbed by the reactive material is desorbed when heating means are applied to said reactive material when the latter has absorbed the gas. Said thermochemical system is characterized in that the reactor consists of an outer housing which is made of a composite material and which contains a sealed inner housing containing the reactive material, the heating means being arranged between the two enclosures.

Abstract: The present invention relates to a refrigeration facility and a method for maintaining the temperature of an isothermal enclosure (3) including: a refrigerating unit (5) comprising a compressor (7) driven by a heat engine (8) and an evaporator (13); and a thermochemical cooling system (15) including a vessel (23) containing a liquefied gas capable, after evaporation, of combining with a reactive product, consisting of a mixture of a reactive salt and natural expanded graphite, contained in a reactor (17), the reaction product obtained being capable of being regenerated by a heating means, said cooling system including an evaporator (25) and a condenser (21).

Abstract: A modular device for temperate regulation to be associated with at least one storage enclosure. The device has a thermochemical system having a tank which contains a liquefied gas that, following evaporation, combines with a reactive product contained in a reactor. The device has a switching mechanism that brings the reactor compartment into communication with only the storage enclosure in order to heat the latter and, at the same time, brings the evaporator compartment into communication with the outside of the device; and brings the evaporator compartment into communication with only the storage enclosure in order to cool the latter and, at the same time, brings the reactor compartment into communication with the outside of the device.

Abstract: The present invention relates to a refrigeration facility and a method for maintaining the temperature of an isothermal enclosure (3) including: a refrigerating unit (5) comprising a compressor (7) driven by a heat engine (8) and an evaporator (13); and a 23 thermochemical cooling system (15) including a vessel (23) containing a liquefied gas capable, after evaporation, of combining with a reactive product, consisting of a mixture of a reactive salt and natural expanded graphite, contained in a reactor (17), the reaction product obtained being capable of being regenerated by a heating means, said cooling system including an evaporator (25) and a condenser (21).

Abstract: A thermochemical system having a reactor or a chamber for storing a reactive material capable of absorbing a gas that is taken into the reactor by a diffuser placed along the longitudinal axis of the latter. The reactive material and the gas are such that, when placed in the presence of each other, same are subjected to a reaction causing the reactive material to absorb the gas, and conversely, same are subjected to a reaction for desorbing the gas, absorbed by the reactive material, by heating applied to the latter when it has absorbed gas. The diffuser includes a gas supply mechanism, a mechanism for dispensing the gas into the reactive material, a filtration mechanism, and a heating mechanism. The various mechanisms form a sub-assembly that is attached onto the housing of the reactor by a sealing element.

Abstract: The present invention relates to an enclosure which is refrigerated and kept at a predetermined set temperature (Te), containing the evaporator (7) of a refrigerating unit (5).

Abstract: A system and a thermochemical method for the production of cold, that uses a reactive device having a reactor or a chamber for storing a reactive product that can absorb a gas. The reactive product and the gas are such that, when they are exposed to one another, they undergo a reaction resulting in absorption of the gas by the reactive product and, conversely, they undergo a reaction involving the desorption of the gas absorbed by the reactive product as a result of heat applied to the reactive product when it absorbed the gas. The system has two substantially identical reactive devices wherein when the reactor of one reactive device is operating in the absorption cycle, the reactor of the other is operating in the desorption cycle. The system has a mechanism for determining the progress rate of the thermochemical reaction.

Abstract: The present invention relates to a self-contained trolley for temperature conditioning and distribution of meal trays (13) comprising two compartments separated by an insulating wall (11), namely a compartment for heating, called the hot compartment, and a compartment for chilling, called the cold compartment, receiving at least one stack of meal trays arranged so that one part of each meal tray (13) is located in the hot compartment and the other part thereof is located in the cold compartment, wherein the heating of the hot compartment and the chilling of the cold compartment are simultaneously obtained by means of a thermochemical system.

Abstract: The invention relates to a method for filling a tank (1) with a gas in gaseous phase in order to store said gas in solid phase, in which the gas is introduced into the tank (1) at either: a filling pressure (Pr) equal to the equilibrium pressure of a reactant product at a filling temperature plus a times the difference between the saturation vapour pressure (PS) of the gas at the filling temperature (Tr) and the equilibrium pressure of the reactant product, a being between 0.1 and 0.9; or a filling temperature (Tr) equal to the vaporisation temperature of the gas at the filling pressure (Pr) plus ? times the difference between the equilibrium temperature (Te) of the reactant product at the filling pressure (Pr) and the vaporisation temperature of the gas, ? being between 0.1 and 0.9.

Abstract: Method for storing a gas in solid phase so that it can be distributed in gaseous phase, that consists in introducing the gas in gaseous phase into a storage tank (1) containing a reactive mixture the apparent density of which is between 40 kg/m3 and 60 kg/m3 and preferably of the order of 50 kg/m3, and which is made up of a reactive product and of expanded natural graphite, this reactive mixture and the gas being such that, when brought into the presence of one another, the reactive product and the gas undergo a thermochemical reaction the effect of which is that the gas is absorbed by the reactive product and a solid product of reaction is produced and, conversely, undergo a reverse thermochemical reaction in which the gas absorbed by the reactive product is desorbed when this product is heated after it has absorbed the gas.

Abstract: A thermochemical system having a reactor or a chamber for storing a reactive material capable of absorbing a gas that is taken into the reactor by a diffuser placed along the longitudinal axis of the latter. The reactive material and the gas are such that, when placed in the presence of each other, same are subjected to a reaction causing the reactive material to absorb the gas, and conversely, same are subjected to a reaction for desorbing the gas, absorbed by the reactive material, by heating applied to the latter when it has absorbed gas. The diffuser includes a gas supply mechanism, a mechanism for dispensing the gas into the reactive material, a filtration mechanism, and a heating mechanism. The various mechanisms form a sub-assembly that is attached onto the housing of the reactor by a sealing element.

Abstract: The present invention relates to a thermochemical system comprising a reactor, or an enclosure for storing a solid reactive material capable of absorbing a gas, the reactive material and the gas being such that, when placed together, a chemical reaction occurs which results in the gas being absorbed by the reactive material, and a reverse chemical reaction occurs, wherein the gas absorbed by the reactive material is desorbed when heating means are applied to said reactive material when the latter has absorbed the gas. Said thermochemical system is characterized in that the reactor consists of an outer housing which is made of a composite material and which contains a sealed inner housing containing the reactive material, the heating means being arranged between the two enclosures.

Abstract: A thermochemical reactor (1) for a cooling and/or heating includes at least one reagent unit (2) which, using chemical combination, can absorb a gas stream originating from a tank and which, using the reverse chemical reaction, can desorb the gas stream due to a rise in temperature. The reagent unit (2) is disposed in a container (3) that has walls, at least some of which are equipped with diffusers (7) for distributing the gas stream. In addition, the reagent unit (2), which can be heated, is of the type that can expand during absorption of the gas stream and retract during desorption of the gas stream. Moreover, at least some of the walls are mobile walls, which can accompany the longitudinal movement of the reagent unit (2), to enable successive deformation phenomena.