Patents by Inventor Cedric HUILLET
Cedric HUILLET has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240123705Abstract: A multilayer material includes n base units with n being a natural, non-zero integer, a base unit including a laminate having in order: a cross-linked silicone resin layer having expandable graphite particles from a temperature greater than a cross-linking temperature of the resin, and an impregnated silica or alumina fabric or knit layer, the fabric or knit being provided with gaps, all impregnated with a cross-linked silicone resin, having expandable graphite particles from a temperature greater than a cross-linking temperature of the resin. The number n of base units is between 1 and 5 inclusive. The nth base unit being covered with another cross-linked silicone resin layer, also having expandable graphite particles from a temperature greater than a cross-linking temperature of the resin, to form a laminate with an alternating resin layer and a fabric or knit layer.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Dogan OGRETEN, Adrien DAUDE, Cédric HUILLET, Paul DOUANEAU
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Patent number: 11858431Abstract: A three-dimensional vacuum thermal insulation element having a compressed three-dimensional porous structure and a shell closed in an airtight manner. The shell includes a thermoformable barrier wall and encloses the porous structure arranged between two major surfaces of said barrier wall. The porous structure has a pressure of between less than 105 Pa and more than 10-2 Pa at ambient external temperature and pressure. The barrier wall is thermoformed at the site of said two major surfaces, between which the porous structure has a curved shape and/or reliefs and/or depressions.Type: GrantFiled: August 22, 2019Date of Patent: January 2, 2024Assignee: HutchinsonInventors: Fabrice Chopard, Cedric Huillet
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Publication number: 20220155362Abstract: The invention relates to a porous thermoelectric material (5; 5a, 5b): having, at 20° C. and at atmospheric pressure, a thermal conductivity of less than 100 mW/(m·K) and an electrical conductivity of between 20 S/m and 105 S/m, and comprising a matrix of a thermal insulating material which has a porosity of more than 70%, and which may be filled at least locally with an electrically conductive material (5b), the content of the electrically conductive material being comprised between 0% and 90% by weight of the total weight of the thermal insulating material.Type: ApplicationFiled: February 14, 2020Publication date: May 19, 2022Inventors: Fabrice CHOPARD, Jérémy GUAZZAGALOPPA, Cédric HUILLET
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Patent number: 11231237Abstract: 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.Type: GrantFiled: August 19, 2016Date of Patent: January 25, 2022Assignee: HutchinsonInventors: Fabrice Chopard, Paul Bline, Cédric Huillet, Boris Chauvet, Nadine Poupa, Christophe Dominiak
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Patent number: 11174978Abstract: 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.Type: GrantFiled: August 19, 2016Date of Patent: November 16, 2021Assignee: HutchinsonInventors: Fabrice Chopard, Paul Bline, Cédric Huillet, Boris Chauvet, Nadine Poupa, Christophe Dominiak
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Patent number: 11174033Abstract: 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.Type: GrantFiled: December 2, 2016Date of Patent: November 16, 2021Assignee: HutchinsonInventors: Fabrice Chopard, Yann Favier, Cédric Huillet, Hmad Bourass, Yannick Thenault, Christophe Dominiak
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Patent number: 11165111Abstract: A thermal barrier to maintain the temperature of a battery. The barrier includes elements with respectively cold and hot PCM materials, and elements, thermal isolators, arranged at least in case of some between two of the PCM material elements.Type: GrantFiled: March 9, 2017Date of Patent: November 2, 2021Assignee: HutchinsonInventors: Fabrice Chopard, Cédric Huillet, Fanny Geffray, Dragisa Jovanovic
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Patent number: 11155690Abstract: The invention relates to a process for preparing a gelled, dried composition forming a monolithic aerogel with a heat conductivity of less than or equal to 40 mW·m?1·K?1 and derived from a resin of polyhydroxybenzene(s) and formaldehyde(s), to this aerogel composition and to the use thereof. This process comprises: a) polymerization in an aqueous solvent of said polyhydroxybenzene(s) and formaldehyde(s) in the presence of an acidic or basic catalyst, to obtain a solution based on the resin, b) gelation of the solution obtained in a) to obtain a gel of the resin, and c) drying of the gel to obtain a dried gel. According to the invention, step a) is performed in the presence of a cationic polyelectrolyte dissolved in this solvent, and the process also comprises a step d) of heat treatment under inert gas of the dried gel obtained in step c) at temperatures of between 150° C. and 500° C.Type: GrantFiled: December 17, 2019Date of Patent: October 26, 2021Assignee: HUTCHINSONInventors: Bruno Dufour, Benjamin Swoboda, Cedric Huillet, Florian Fannechere, Nadine Poupa
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Publication number: 20210323215Abstract: A three-dimensional vacuum thermal insulation element having a compressed three-dimensional porous structure and a shell closed in an airtight manner. The shell includes a thermoformable barrier wall and encloses the porous structure arranged between two major surfaces of said barrier wall. The porous structure has a pressure of between less than 105 Pa and more than 10-2 Pa at ambient external temperature and pressure. The barrier wall is thermoformed at the site of said two major surfaces, between which the porous structure has a curved shape and/or reliefs and/or depressions.Type: ApplicationFiled: August 22, 2019Publication date: October 21, 2021Applicant: HutchinsonInventors: Fabrice Chopard, Cedric Huillet
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Publication number: 20210316673Abstract: A three-dimensional, vacuum thermal insulating element comprising a compressed three-dimensional porous structure, an envelope closed in an airtight manner comprising a thermoformable barrier wall, enclosing the porous structure, which is interposed between two major surfaces of the barrier wall, and where, at outside ambient temperature and pressure, a pressure between less than 105 Pa and more than 10?2 Pa prevails. The barrier wall is thermoformed at said the two major surfaces, between which the porous structure is bent-shaped and/or has reliefs and/or depressions.Type: ApplicationFiled: August 22, 2019Publication date: October 14, 2021Applicant: HutchinsonInventors: Fabrice Chopard, Cedric Huillet
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Publication number: 20210261071Abstract: A vehicle having a passenger cabin to be maintained within a temperature range, the vehicle comprising a vehicle body and an assembly defining the passenger cabin, the assembly including: a structural lining panel having a surface and being non-planar, fixation means for attaching the structural lining panel to the vehicle body, and a modular assembly including a plurality of side-by-side modules, each module extending in a non-planar surface and including: an under vacuum envelope and, a layer of a thermally insulating material, the side-by-side modules being arranged side by side in a direction parallel to the surface of the structural lining panel. The side-by-side modules are joined to said structural lining panel while being joined to said vehicle body only by said fixation means.Type: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Inventors: Fabrice Chopard, Cédric Huillet
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Patent number: 11091907Abstract: An assembly comprising at least one first pocket (3) which contains a thermally insulating material (5) and in which a first controlled atmosphere prevails, and at least one second pocket (7) which surrounds the first pocket and in which a second controlled atmosphere prevails. The first controlled atmosphere is different from the second one and corresponds to a vacuum of 10 Pa or less. The thermally insulating material (5) preferably has open cells with a diameter greater than or equal to 1 micron.Type: GrantFiled: August 22, 2018Date of Patent: August 17, 2021Inventors: Fabrice Chopard, Cedric Huillet
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Patent number: 11009299Abstract: A thermal barrier for helping to maintain a temperature in volumes and/or at least one internal structural component surrounded by the barrier. The barrier has a first component containing at least one phase change material (PCM) that changes its state at a first temperature, a second component containing a PCM that changes its state at a second temperature which is different from the first temperature, and a third, thermally insulating component that is disposed between the first and second components containing a PCM or outside the second component.Type: GrantFiled: March 9, 2017Date of Patent: May 18, 2021Assignee: HutchinsonInventors: Fabrice Chopard, Cédric Huillet, Fanny Geffray
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Publication number: 20200363005Abstract: A three-dimensionally shaped assembly comprising fibres in a three-dimensional structure, and a sleeve comprising a polymeric film and which encloses the fibrous structure, the shape of which is followed by the polymeric film.Type: ApplicationFiled: August 22, 2018Publication date: November 19, 2020Applicant: HutchinsonInventors: Fabrice Chopard, Cédric Huillet
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Publication number: 20200300558Abstract: The invention relates to thermal management aimed at maintaining the temperature inside a space. The proposed assembly includes the space and a device arranged around same, placed in an outdoor environment exposed to a non-constant temperature and including at least one thermally insulating element inserted between the inner space and the outdoor environment and, from the inside towards the outside: an inner heat-storage element made of PCM material and an outer thermal barrier containing several PCMs. The invention also includes a cooling unit for provisionally providing, in the inner space, a charge fluid, at least at a temperature that is different from those of the temperature to be maintained, in heat transfer with the PCM of the inner element, so as to store thermal energy.Type: ApplicationFiled: March 9, 2017Publication date: September 24, 2020Applicant: HutchinsonInventors: Fabrice Chopard, Cédric Huillet, Fanny Geffray
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Publication number: 20200292248Abstract: The invention relates to thermal management of the passenger compartment of a vehicle comprising an air conditioner in the passenger compartment, suitable for heating, cooling and propelling air. At least one of the walls limiting the passenger compartment is provided, from the inside towards the outside, with an internal thermal barrier (containing at least one PCM material having a temperature at change of state between liquid and solid between 15° C. and 40° C. and preferably between 17° C. and 35° C., and at least one thermally insulating element.Type: ApplicationFiled: March 9, 2017Publication date: September 17, 2020Inventors: Fabrice Chopard, Cédric Huillet, Fanny Geffray, Mathieu Leborgne
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Publication number: 20200283161Abstract: 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.Type: ApplicationFiled: December 2, 2016Publication date: September 10, 2020Applicant: HutchinsonInventors: Fabrice Chopard, Yann Favier, Cedric Huillet, Hmad Bourass, Yannick Thenault, Christophe Dominiak
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Patent number: 10731926Abstract: 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.Type: GrantFiled: August 19, 2016Date of Patent: August 4, 2020Assignee: HutchinsonInventors: Fabrice Chopard, Paul Bline, Cédric Huillet, Fanny Geffray, Boris Chauvet, Nadine Poupa, Christophe Dominiak
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Publication number: 20200224412Abstract: An assembly comprising at least one first pocket (3) which contains a thermally insulating material (5) and in which a first controlled atmosphere prevails, and at least one second pocket (7) which surrounds the first pocket and in which a second controlled atmosphere prevails. The first controlled atmosphere is different from the second one and corresponds to a vacuum of 10 Pa or less. The thermally insulating material (5) preferably has open cells with a diameter greater than or equal to 1 micron.Type: ApplicationFiled: August 22, 2018Publication date: July 16, 2020Inventors: Fabrice CHOPARD, Cedric HUILLET
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Publication number: 20200123340Abstract: The invention relates to a process for preparing a gelled, dried composition forming a monolithic aerogel with a heat conductivity of less than or equal to 40 mW·m?1·K?1 and derived from a resin of polyhydroxybenzene(s) and formaldehyde(s), to this aerogel composition and to the use thereof. This process comprises: a) polymerization in an aqueous solvent of said polyhydroxybenzene(s) and formaldehyde(s) in the presence of an acidic or basic catalyst, to obtain a solution based on the resin, b) gelation of the solution obtained in a) to obtain a gel of the resin, and c) drying of the gel to obtain a dried gel. According to the invention, step a) is performed in the presence of a cationic polyelectrolyte dissolved in this solvent, and the process also comprises a step d) of heat treatment under inert gas of the dried gel obtained in step c) at temperatures of between 150° C. and 500° C.Type: ApplicationFiled: December 17, 2019Publication date: April 23, 2020Applicant: HUTCHINSONInventors: Bruno DUFOUR, Benjamin SWOBODA, Cedric HUILLET, Florian FANNECHERE, Nadine POUPA