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.

Abstract: The invention relates to a thermochemical reactor (1) for a cooling and/or heating apparatus, comprising at least one reagent unit (2) which, by means of chemical combination, can absorb, a gas stream originating from a tank and which, by means of the reverse chemical reaction, cab desorb said gas stream due to a rise in temperature. The reagent unit (2) is disposed in a container (3) comprising walls, of which at least some are equipped with diffuser means (7) for distributing the gas stream. In addition, the reagent unit (2) is of the type that can expand during absorption of the gas stream and retract during desorption of the gas stream, said unit being connected to heating means. Moreover, at least some of the above-mentioned walls consist of mobile walls, which can accompany the longitudinal movement performed by the reagent unit (2), such as to enable successive deformation phenomena.