Patents by Inventor Laurent Moreau
Laurent Moreau 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: 20230003176Abstract: A method for manufacturing an alveolar core structure includes at least one cell including a secondary duct having a first end defining a sound wave inlet, and an opposite second end, the secondary duct comprising a sound wave outlet. The method also includes a fastening step in which adhesive tapes transverse to the longitudinal direction of said first plate are applied on a first longitudinal plate. The secondary duct in the form of a flattened element is fastened, on the first plate, by gluing at its sound wave inlet. A second plate is applied. A step of deploying the first and second plates so as to form the peripheral wall of the cells and so that the flattened element is deployed.Type: ApplicationFiled: September 6, 2022Publication date: January 5, 2023Applicant: Safran NacellesInventors: Bertrand Léon Marie DESJOYEAUX, Marc VERSAEVEL, Mathieu François Eric PREAU, Laurent MOREAU
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Patent number: 11420884Abstract: The invention provides an irradiation device (1) designed to be mounted to an irradiation reactor (20), comprising: an irradiation source (2), preferably an UV-LED, mounted on a heat conductive substrate (3); a disk-like heat sink (4) configured to removably receive the conductive substrate (3) such that heat transfer from the substrate (3) to the heat sink (4) is possible at a contact surface (4a) and such that the irradiation from the irradiation source (2) can pass through an opening (5) of the heat sink (4) into aninterior volume (21) of the irradiation reactor (20) when the irradiation device (1) is mounted to the irradiation reactor (20), wherein the opening (5) of the heat sink (4) is closed by a quartz window (6); fixation means (7) releasably biasing the substrate (3) against the contact surface (4a) of the heat sink (4); and a fluid channel (8) extending along and/or through the heat sink (4), wherein the fluid channel (8) is arranged to communicate with a fluid inlet or outlet port (22) of the irraType: GrantFiled: October 15, 2018Date of Patent: August 23, 2022Inventors: Laurent Moreau, Pascal Roitel
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Patent number: 11390548Abstract: The invention provides a water purification and dispensing system, preferably for producing ultrapure water and offering the purified water at dispensing sites. The system (100) comprises a first purification stage (1) for purifying water to a first water purity grade, a water recirculation loop (2) including a second purification stage (3) for purifying water to a second water purity grade higher than the first purity grade and a dispensing portion (5) for the purified water, and a reservoir (4) arranged to store the water purified at the first purification stage (1) through a first connecting flowpath (7a) and to deliver the stored water to the water recirculation loop (2) through a second connecting flowpath (7b). A 3-way valve (8) is provided in the flowpath between the first purification stage (1) and the reservoir (4) to selectively block the flow of purified water to the reservoir (4) and to drain the purified water from the first purification stage (1).Type: GrantFiled: December 11, 2018Date of Patent: July 19, 2022Inventors: Laurent Moreau, Ichiro Kano, Didier Meyer, Pascal Roitel
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Publication number: 20210390940Abstract: A method for manufacturing a sound attenuating panel uses an alveolar-core structure including a first edge and a second edge separated by alveolar cells, the alveolar cells including walls extending from the first and second edges and defining a primary conduit for the circulation of a sound wave that is to be attenuated. The method includes covering the first edge or the second edge of the alveolar-core structure with a compartmentation wall; deforming the compartmentation wall to define at least one secondary conduit for the circulation of a sound wave that is to be attenuated, the secondary conduit extending at least partially within said primary conduit; and creating an opening in the compartmentation wall to permit communication between the primary and secondary conduits.Type: ApplicationFiled: August 30, 2021Publication date: December 16, 2021Applicant: Safran NacellesInventors: Bertrand DESJOYEAUX, Marc VERSAEVEL, Mathieu PREAU, Laurent MOREAU
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Patent number: 11060626Abstract: A fluid distributor valve (1) for repartitioning an inlet fluid stream (Z) into two outlet fluid streams (X, Y), comprising an inlet port (10), two outlet ports (11, 12), a first and a second valve mechanism (13, 14), one arranged upstream each outlet port (11, 12), wherein each valve mechanism (13, 14) comprises a valve body (15, 16) slidable in a cylindrical valve bore (17) in reciprocating strokes through a valve shaft (18), wherein the valve body (15, 16) includes a first portion (15a, 16a) that is formed with a progressively changing diameter so as to reduce a valve gap between the valve bore inner peripheral wall and the valve body outer peripheral wall at a plane (A, B) perpendicular to the stroke direction, in a regular operating range of the valve mechanism (13, 14), from a maximum valve gap to a minimum valve gap, to reduce or increase the flow rate through the gap towards the associated outlet port (11, 12) upon the relative movement, and wherein at least one of the valve bodies (15, 16) of the valType: GrantFiled: February 21, 2018Date of Patent: July 13, 2021Assignee: Merck Patent GmbHInventor: Laurent Moreau
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Patent number: 11035484Abstract: The invention provides a water purification and dispensing system, preferably for producing ultrapure water and offering the purified water at one or more dispensing sites in a desired volume.Type: GrantFiled: February 21, 2018Date of Patent: June 15, 2021Assignee: Merck Patent GmbHInventors: Pascal Roitel, Christophe Paragot, Laurent Moreau
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Patent number: 10987720Abstract: Fluid circulation tube and heat exchanger equipped with tubes of this type are disclosed. The tube (6) is produced by bending, and, once its wall has been bent, has a base portion (12) prolonged laterally by two linking portions (13) leading to two top portions (14) turned toward one another, which terminate in end legs (15) turned toward the base portion (12), forming at least two parallel longitudinal internal channels (16) into which the two systems (20) of bends (21) of a corrugated disrupter (17) can be inserted, these systems being interconnected by a central part (23) inserted into a gap left between said legs and the base portion.Type: GrantFiled: June 21, 2011Date of Patent: April 27, 2021Assignee: Valeo Systemes ThermiquesInventors: Laurent Moreau, Alain Bauerheim, Philippe Metayer
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Publication number: 20210078886Abstract: The invention provides a water purification and dispensing system, preferably for producing ultrapure water and offering the purified water at dispensing sites. The system (100) comprises a first purification stage (1) for purifying water to a first water purity grade, a water recirculation loop (2) including a second purification stage (3) for purifying water to a second water purity grade higher than the first purity grade and a dispensing portion (5) for the purified water, and a reservoir (4) arranged to store the water purified at the first purification stage (1) through a first connecting flowpath (7a) and to deliver the stored water to the water recirculation loop (2) through a second connecting flowpath (7b). A 3-way valve (8) is provided in the flowpath between the first purification stage (1) and the reservoir (4) to selectively block the flow of purified water to the reservoir (4) and to drain the purified water from the first purification stage (1).Type: ApplicationFiled: December 11, 2018Publication date: March 18, 2021Inventors: Laurent Moreau, Ichiro Kano, Didier Meyer, Pascal Roitel
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Publication number: 20200354236Abstract: The invention provides an irradiation device (1) designed to be mounted to an irradiation reactor (20), comprising: an irradiation source (2), preferably an UV-LED, mounted on a heat conductive substrate (3); a disk-like heat sink (4) configured to removably receive the conductive substrate (3) such that heat transfer from the substrate (3) to the heat sink (4) is possible at a contact surface (4a) and such that the irradiation from the irradiation source (2) can pass through an opening (5) of the heat sink (4) into aninterior volume (21) of the irradiation reactor (20) when the irradiation device (1) is mounted to the irradiation reactor (20), wherein the opening (5) of the heat sink (4) is closed by a quartz window (6); fixation means (7) releasably biasing the substrate (3) against the contact surface (4a) of the heat sink (4); and a fluid channel (8) extending along and/or through the heat sink (4), wherein the fluid channel (8) is arranged to communicate with a fluid inlet or outlet port (22) of the irraType: ApplicationFiled: October 15, 2018Publication date: November 12, 2020Inventors: Laurent Moreau, Pascal Roitel
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Publication number: 20200056715Abstract: A fluid distributor valve (1) for repartitioning an inlet fluid stream (Z) into two outlet fluid streams (X, Y), comprising an inlet port (10), two outlet ports (11, 12), a first and a second valve mechanism (13, 14), one arranged upstream each outlet port (11, 12), wherein each valve mechanism (13, 14) comprises a valve body (15, 16) slidable in a cylindrical valve bore (17) in reciprocating strokes through a valve shaft (18), wherein the valve body (15, 16) includes a first portion (15a, 16a) that is formed with a progressively changing diameter so as to reduce a valve gap between the valve bore inner peripheral wall and the valve body outer peripheral wall at a plane (A, B) perpendicular to the stroke direction, in a regular operating range of the valve mechanism (13, 14), from a maximum valve gap to a minimum valve gap, to reduce or increase the flow rate through the gap towards the associated outlet port (11, 12) upon the relative movement, and wherein at least one of the valve bodies (15, 16) of the valType: ApplicationFiled: February 21, 2018Publication date: February 20, 2020Inventor: Laurent Moreau
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Publication number: 20200055743Abstract: The invention provides a water purification and dispensing system, preferably for producing ultrapure water and offering the purified water at one or more dispensing sites in a desired volume.Type: ApplicationFiled: February 21, 2018Publication date: February 20, 2020Inventors: Pascal Roitel, Christophe Paragot, Laurent Moreau
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Patent number: 10295278Abstract: A header box (3?) includes a header (10) and a cover (11) having a longitudinal extent dimension and at least one flange (8?) crimped in-between the header (10) and the cover (11). The header (10) has a ductility different from that of the flange (8?). At the flange (8?), a longitudinal portion (18) of the header (10) and/or of the flange (8?) is rolled in such a way that the flange (8?) is trapped between the header (10) and the cover (11). Additionally, a heat exchanger includes such a box.Type: GrantFiled: May 22, 2012Date of Patent: May 21, 2019Assignee: VALEO SYSTEMES THERMIQUESInventors: Mickael Dumoutier, Laurent Moreau
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Patent number: 10222140Abstract: A collector box (5) is a component of a heat exchanger for a motor vehicle, with the heat exchanger including a heat exchange core with a plurality of heat exchange tubes (3). The collector box (5) includes a fluid collector (9) with a flat bottom (13) to receive the ends of the tubes (3). The fluid collector (9) has two lateral walls (15) extending from the flat bottom (13) and respectively forming a curve between the lateral walls (15) and the flat bottom (13) of a radius (R) of between 1.5 and 4 mm. The fluid collector (9) has a ratio between the burst strength and the height (h) of the collector box (5) that is greater than 10.Type: GrantFiled: March 30, 2012Date of Patent: March 5, 2019Assignee: VALEO SYSTEMES THERMIQUESInventors: Laurent Moreau, Sory Sidibe
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Patent number: 10126006Abstract: The invention relates to a cylinder for storing coolant, with which a heat exchanger of an air-conditioning circuit is to be provided, said cylinder defining a first cavity (2) accommodating a desiccator, and a second cavity (3) capable of enabling fluid communication with said circuit. Said cylinder is configured such that said first (2) and second (3) cavities remain isolated from each other up to a first inner pressure threshold, and are placed in fluid communication once said second cavity (3) is subjected to a second inner pressure threshold that is greater than the first threshold. The invention also relates to a condenser provided with such a cylinder.Type: GrantFiled: July 24, 2012Date of Patent: November 13, 2018Assignee: VALEO SYSTEMES THERMIQUESInventors: Laurent Moreau, Christophe Voidie
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Patent number: 9982952Abstract: The present invention relates to a heat exchanger header, wherein said header includes a lower portion (3) having two longitudinal edges (7), an upper portion (4) forming a cover, and at least one flange (9, 10, 30). According to the invention, said flange (9, 10, 30) has a profile (11, 17, 37) that enables the longitudinal edges (7) of the header, which are provided at least locally folded, to be received at the flanks (12, 19, 38) thereof, so as to simultaneously crimp the flange (9, 10, 30) onto said cover (4) and retain the cover (4) on said lower portion (3).Type: GrantFiled: October 18, 2010Date of Patent: May 29, 2018Assignee: VALEO SYSTEMES THERMIQUESInventors: Jean Lavenu, Lionel Taupin, Alain Bauerheim, Laurent Moreau
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Patent number: 9952005Abstract: Header for a heat exchanger and resulting heat exchanger are disclosed. The tubular header is of the type which can receive at least one connecting flange (5, 6) with an internal fluid passage (25), and is composed of: a header plate (8) with a longitudinally open wall, provided with slots intended to receive parallel fluid flow tubes; and a cover (9) which, after assembly, closes a longitudinal opening of said header plate, the wall of this cover having at least one external collar (28) delimiting a hole for the flow of fluid (27), said connecting flange (5, 6) being attached to said cover (9) and being configured in such a way that it can be crimped onto the header (3, 4), thereby bringing the internal passage (25) into fluid communication with the hole (27) in said collar.Type: GrantFiled: June 21, 2011Date of Patent: April 24, 2018Assignee: VALEO SYSTEMES THERMIQUESInventors: Laurent Moreau, Francois Beideler
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Patent number: D840500Type: GrantFiled: August 23, 2017Date of Patent: February 12, 2019Assignee: Merck Patent GmbHInventors: Laurent Moreau, Stephanie Bourin, Thierry Cassou, Thomas Buhl
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Patent number: D840501Type: GrantFiled: August 23, 2017Date of Patent: February 12, 2019Assignee: Merck Patent GmbHInventors: Camillo König, Laurent Moreau, Thierry Cassou
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Patent number: D914835Type: GrantFiled: February 14, 2019Date of Patent: March 30, 2021Assignee: Merck Patent GmbHInventors: Laurent Moreau, Thierry Cassou
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Patent number: D922518Type: GrantFiled: February 14, 2019Date of Patent: June 15, 2021Assignee: MERCK PATENT GmbHInventors: Laurent Moreau, Thierry Cassou