Abstract:
The invention concerns an insulating part comprising a sealed casing defining an inner enclosure (7), the part having thermal conductivity of less than 100 mW/m.K, the sealed casing (3) comprising at least one thin metal sheet (30, 31) having a thickness of less than 1 mm and welded peripherally to keep the enclosure under low pressure and/or controlled atmosphere, the weld, which is produced in a chamber under low pressure and/or controlled atmosphere, having a leakage rate of less than 10−6 Pa·m3/s, after a first thermal treatment according to the standard RTCA-DO 160-G, section 5, Cat A (from −55° C. to 400° C.) and a second thermal treatment at −196° C. for 1 hour.
Abstract:
The invention relates to the thermal creation of a part, including steps of: using at least one first and one second metal plate (30, 31), hollow-forming the first plate so as to form at least part of said inner wall, and hollow-forming the second plate (31) so as to form at least part of said outer wall. During the forming, the shapes of the first and second plates are adjusted such that they can be placed in contact with each other while leaving a space therebetween inside said periphery, and then the first and second plates are placed in a low-pressure and/or controlled-atmosphere chamber (65), where said plates are brought together and peripherally sealed together such that, in said space, a low-pressure and/or controlled-atmosphere enclosure is created.
Abstract:
An assembly comprising a structure provided with an interior volume in which is present for example at least one fluid capable of circulating in said volume and under the action of circulation means. Thermally insulating elements of VIP construction are arranged around a layer containing a PCM and extending around the peripheral wall that surrounds the volume. Protrusions fixed to the peripheral wall delimited spaces in which the thermally insulating elements are positioned. A sleeve extends around the protrusions and the
Abstract:
The present invention relates to a vacuum insulation board (1) comprising: a hermetically closed covering (3) in which the pressure is lower than atmospheric pressure, a core material (5) made of organic aerogel placed inside said covering (3), said organic aerogel being based on a resin resulting at least in part from polyhydroxybenzene(s) R and formaldehyde(s) F, said organic aerogel being a polymeric monolithic organic gel comprising at least one water-soluble cationic polyelectrolyte, or said organic aerogel being a pyrolysate of said gel in the form of a porous carbon monolith comprising the product of the pyrolysis of said at least one water-soluble cationic polyelectrolyte P, said organic aerogel exhibiting a specific thermal conductivity of between 10 and 40 mW·m−1·K−1 at atmospheric pressure.
Abstract:
The invention relates to a device which includes two longitudinal deflecting surfaces or two pluralities of longitudinal deflecting surfaces, which are symmetrical on either side of the plane formed by the roll and yaw axes of the device and substantially in line with the roll axis and parallel to same, an air flow generator including at least one axial fan suctioning ambient air by means of at least one propeller faired in a flow path and, downstream of said propeller, an air distributor-diffuser, consisting of two adjacent semi-distributors each defining a curved duct directing the air to an outlet opening and toward the longitudinal deflecting surface or plurality of longitudinal deflecting surfaces.
Abstract:
A crosslinked rubber composition, process for preparing same, and a flexible component based on at least one room-temperature vulcanizing “RTV” silicone elastomer and including at least one phase change material (PCM) is provided. The flexible element includes at least one elastomer layer capable of storing thermal energy and of releasing it which includes the crosslinked rubber composition. Also provided is a thermal control or regulating system incorporating the flexible element. The composition is such that the silicone elastomer has a viscosity measured at 23° C. according to the ISO 3219 standard which is less than or equal to 5000 mPa.s. The silicone elastomer inlcudes two components A and B and is crosslinked by polyaddition or polycondensation, and the composition includes the PCM, which is not encapsulated and is in the micronized state, in an amount of greater than 50 phr (phr: parts by weight per hundred parts per elastomer(s)).
Abstract:
A modular block for storing thermal energy having a bottom wall and lateral walls defining a chamber. The lateral walls are made from a mouldable material. First thermal management elements are disposed in the chamber, which has at least one communication passage to the outside environment to allow a refrigerating fluid or a heat-transfer fluid a in heat exchange relationship with the first thermal management elements to pass into and out of the chamber. The modular block has second thermal management elements arranged laterally around the lateral walls or included in the mouldable material of the lateral walls for the thermal management of the chamber. The first thermal management elements are separated from the second thermal management elements by a part of the mouldable material of the lateral walls.
Abstract:
An assembly comprising a structure provided with an interior volume in which is present for example at least one fluid capable of circulating in said volume and under the action of circulation means. Thermally insulating elements of VIP construction are arranged around a layer containing a PCM and extending around the peripheral wall that surrounds the volume. Protrusions fixed to the peripheral wall delimited spaces in which the thermally insulating elements are positioned. A sleeve extends around the protrusions and the insulating elements.
Abstract:
A unit for storing and releasing thermal energy including a plurality of blocks each having a body the lateral walls of which delimit a chamber suited to receiving storage and release elements of PCM type, to be placed in heat exchange relationship with a refrigerating or heat-transfer fluid circulating between the chambers via passages; and elements for the thermal management of the chambers arranged around said chambers and at least some of which include a thermally insulating material and others a PCM.
Abstract:
An assembly having a structure provided with an interior volume in which is present for example at least one fluid capable of circulating in said volume and under the action of circulation means. Thermally insulating elements of VIP construction are arranged around a layer containing a PCM and extending around the peripheral wall that surrounds the volume. Protrusions fixed to the peripheral wall delimit spaces in which the thermally insulating elements are positioned. A sleeve extends around the protrusions and the insulating elements.