Abstract: The invention primarily concerns a facility for storing and cooling a liquefied gas, for example a liquefied natural gas, the facility comprising at least one tank configured to contain the liquefied gas, a closed cooling circuit configured to be supplied with liquefied gas in the liquid state coming from the tank, at least one injection member configured for reinjecting cooled liquefied gas into the tank, the facility being characterized in that it comprises at least one connection line configured to recover a cooled gas from at least one remote container that is separate and independent from the facility.

Abstract: Cryogenic refrigeration device comprising a working circuit intended to cool a working fluid circulating in the said circuit, the working circuit comprising, arranged in series in a loop: a compression portion, a cooling portion, a portion with valve(s), an expansion portion and a reheating portion, in order to subject the working fluid to a recuperative working cycle comprising compression, then cooling, then expansion and then reheating to prepare for a new cycle, wherein the compression portion comprises at least one compressor having a linear piston driven by a linear motor, the expansion proportion comprises at least one expander with a linear piston, the portion with valve(s) comprises at least one regulating valve linearly actuated by a linear motor and controlled in order to supply or extract the working fluid from the at least one expansion piston.

Abstract: Device and method for purifying a gas mixture to produce a concentrated gas, notably neon, starting from a mixture comprising neon, said device including, in a cold box housing a cryogenic purification circuit comprising, in series, at least one unit for purifying the mixture by cryogenic adsorption at a temperature between 65K and 100K and notably 65K, then a unit for cooling the mixture to a temperature between 25 and 65 K and then a unit for cryogenic distillation of the mixture to produce the concentrated liquid at the outlet of the cryogenic distillation unit, characterized in that the unit for cooling the mixture to a temperature between 25 and 65 K comprises at least one cryocooler that extracts thermal power from the mixture via a heat exchanger.

Abstract: A method for heating the passenger compartment of an electric vehicle, including the following steps: pre-heating at least one part of the passenger compartment by at least one electric heater when the vehicle is connected to an external energy source, and heating the at least one part of the passenger compartment by a combustion heater when the vehicle is in use. Also provided is a system implementing such a method and an electric vehicle, in particular of the electric bus type, utilizing such a method or such a system.

Abstract: The invention relates to a device for cooling and/or liquefying, at a low-temperature, a working fluid containing helium or consisting of pure helium. The device includes a working circuit provided with a compressor station and a cold box. The compressor station includes one or more compression stages, each using one or more compressors that include a compressor wheel rigidly connected to an axle that is rotatably mounted on bearings. The axle of each compressor is rotated by an output shaft of a motor via a gear mechanism placed in a mechanical housing including lubricating oil. Said device is characterized in that the inner space of the mechanical housing contains a gaseous atmosphere consisting of a gaseous mixture having a mean molar mass that smaller than the molar mass of the air.

Abstract: The present invention relates to a novel bilirubin oxidase from Magnaporthe oryzae, to the method of preparation thereof as well as use thereof notably for assay of bilirubin and for the application of enzymatic biofuel cells.

Abstract: Refrigeration device comprising a working circuit in a loop for the working gas and comprising, in series: a compression station, a cold box, a system for the exchange of heat between the cooled working gas and a point of use, a system for the additional pre-cooling of the working gas leaving the compression station comprising an auxiliary cryogenic fluid volume, the cold box comprising a first cooling stage for the working gas comprising a first and a second heat exchanger, these being connected both in series and in parallel to the working circuit at the outlet of the compression station, the first cooling stage also comprising a third heat exchanger selectively exchanging heat with the auxiliary fluid, characterized in that the third heat exchanger is connected both in series and in parallel to the first and to the second heat exchangers, the working circuit comprising a recuperation pipe fitted with at least one valve and which connects the outlet of the third heat exchanger to the second heat exchanger.

Abstract: A device for refrigerating and/or liquefying a working gas comprising helium, the device comprising a looped working circuit for the working gas includes, in series, a compression station, a cold box, a heat exchange system exchanging heat between the cooled working gas and a user, the device further comprising an additional pre-cooling system comprising at least one tank of auxiliary cryogenic fluid, such as liquid nitrogen, the cold box comprising a first cooling stage of the working gas comprising a first exchanger disposed at the output of the compression station as well as a second heat exchanger and a third heat exchanger, the first heat exchanger being of the aluminum plate-fin type, the second heat exchanger being of the tube or welded plate type, characterized in that the second and third heat exchangers are connected both serially and in parallel on the working circuit downstream of the first heat exchanger.

Abstract: The present invention relates to a novel laccase of Podospora anserina, to the method for preparing same and to the use thereof, particularly for delignifying paper, as a bleaching, depolluting and deodorising agent, or even for lowering oxygen content.

Abstract: The present invention relates to novel mutants of PQQ s-GDH containing an amino acid substitution in position 428 of the protein sequence of the wild type PQQ s-GDH of Acinetobacter calcoaceticus (SEQ.ID. NO:2). The invention also relates to the use of said PQQ s-GDH mutants for the development of glucose electrodes of interest in the assay of glucose, in particular of blood glucose in diabetic subjects, and for implementing biofuel cells that utilize glucose as fuel.

Abstract: The present invention relates to a novel bilirubin oxidase from Magnaporthe oryzae, to the method of preparation thereof as well as use thereof notably for assay of bilirubin and for the application of enzymatic biofuel cells.

Abstract: Cryogenic cooling method and device comprising a main cryogenic cooler comprising a cold head positioned in a first chamber selectively placed under vacuum, a reservoir of working fluid placed in a second chamber selectively placed under vacuum, a member to be cooled being placed in the reservoir in heat exchange with the working fluid, the cold head of the main cryogenic cooler being thermally connected to a heat exchanger which is itself fluidically connected to the reservoir via pipes forming a first circulation loop for the working fluid, the pipes passing from the first to the second chamber, characterized in that the volumes selectively under vacuum of the first and second chambers are independent and in that the device comprises a secondary cryogenic cooler comprising a cold head placed in a third chamber selectively placed under vacuum, the cold head of the secondary cryogenic cooler being thermally connected to a heat exchanger which is itself fluidically connected to the reservoir via pipes forming

Abstract: The present invention relates to a novel Bacillus pumilus bilirubin oxidase, to the method for preparing same and also to the use thereof in particular for assaying bilirubin and for using enzymatic biofuel cells.

Abstract: The invention relates to a method for low-temperature cooling/liquefaction of a working fluid, in particular a working fluid including helium or consisting of pure helium by means of a refrigerator/liquefier that includes a working circuit provided with a compressor station and a cold box. The refrigerator/liquefier subjects the working gas within the working circuit to a cycle that includes, in series: compressing the working fluid within the compressor station, cooling and decompressing the working fluid in the cold box, and heating the working fluid with a view to the return thereof to the compressor station. The compressor station includes one or more compression levels, each one using one or more compressors mounted on landings.

Abstract: The present invention relates to novel mutants of PQQ s-GDH containing an amino acid substitution in position 428 of the protein sequence of the wild type PQQ s-GDH of Acinetobacter calcoaceticus (SEQ.ID. NO:2). The invention also relates to the use of said PQQ s-GDH mutants for the development of glucose electrodes of interest in the assay of glucose, in particular of blood glucose in diabetic subjects, and for implementing biofuel cells that utilize glucose as fuel.

Abstract: The invention relates to a cryogenic refrigeration device intended to transfer heat from a cold source to a hot source via a working fluid flowing through a closed working circuit including the following portions in series, namely: a portion for the substantially isothermal compression of the fluid, a portion for the substantially isobaric cooling of the fluid, a portion for the substantially isothermal expansion of the fluid, and a portion for the substantially isobaric heating of the fluid. The compression portion of the working circuit includes at least two compressors disposed in series and the expansion portion of the working circuit includes at least one expansion turbine, said compressors and expansion turbine(s) being driven by at least one high-speed motor including an output shaft.

Abstract: The invention relates to a plant extract obtained by a single-phase extraction method, by means of a solvent and/or a mixture of solvents of plant origin, containing characterised and chemically defined constituents. Said plant extract is characterised in that it is free of polyphenol, anthocyan and/or tannin, and comprises a fraction of lipophile-type components and/or a fraction of polar-type components. The invention also relates to an extraction method which enables an inventive extract to be obtained, said method being a single-phase extraction method characterised in that it comprises the following steps: a plant material is brought into contact with a solvent and/or a mixture of solvents of plant origin, containing characterised and chemically defined constituents; the plant material is eliminated; and the solvent and/or mixture of solvents is partially or completely eliminated.