Patents by Inventor NORBERT LARTIGUE
NORBERT LARTIGUE 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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Patent number: 11946955Abstract: A sensor is configured to sense the rate of change of a current in order to protect the bridge arms in a power module with power layers and measurement layers. The sensor includes at least three conductors (C1, C2, Cp) and coils. One end of each conductor is connected to a common node, while the other end of each conductor is used respectively as an electrical terminal. The at least three conductors are contained in the same plane, referred to as the primary plane, while each conductor has a plane of symmetry perpendicular to the primary plane, each plane of symmetry passing through the common node and the corresponding terminal. A first conductor and a second conductor are identical and positioned symmetrically relative to a third conductor, and at least one pair of coils is positioned symmetrically relative to a plane of symmetry.Type: GrantFiled: January 31, 2019Date of Patent: April 2, 2024Assignees: NL CONSEIL, SAFRAN ELECTRICAL & POWERInventor: Norbert Lartigue
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Publication number: 20210033647Abstract: A sensor is configured to sense the rate of change of a current in order to protect the bridge arms in a power module with power layers and measurement layers. The sensor includes at least three conductors (C1, C2, Cp) and coils. One end of each conductor is connected to a common node, while the other end of each conductor is used respectively as an electrical terminal. The at least three conductors are contained in the same plane, referred to as the primary plane, while each conductor has a plane of symmetry perpendicular to the primary plane, each plane of symmetry passing through the common node and the corresponding terminal. A first conductor and a second conductor are identical and positioned symmetrically relative to a third conductor, and at least one pair of coils is positioned symmetrically relative to a plane of symmetry.Type: ApplicationFiled: January 31, 2019Publication date: February 4, 2021Applicants: NL CONSEIL, SAFRAN ELECTRICAL & POWERInventor: Norbert Lartigue
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Patent number: 10309500Abstract: A drive roller (1) comprising a central hub (4), a body (5) extending around the central hub, the body (5) being made of a deformable material, a deformable band (8) extending over a circumference of the drive roller, and first rigid fins (17) and second rigid fins (18) arranged in alternation and extending radially inside the body (5). Each first fin presents a proximal end (17a) fastened to the central hub, and each second fin presents a distal end (18b) that extends in the proximity of the deformable band.Type: GrantFiled: May 5, 2016Date of Patent: June 4, 2019Assignee: MESSIER-BUGATTI-DOWTYInventors: Norbert Lartigue, Pierre-Guillaume Phelut
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Patent number: 10309499Abstract: A roller (1) having a rigid reinforcement (4) defining a hub (5) for rotation of the roller about an axis of rotation X and a plurality of bars (6) regularly arranged around the hub (5) and extending parallel to the axis X. The roller further has bushings (10), each engaged on a respective one of the bars (6) and each comprising an outer rigid ring (11) surrounding a bushing body (12) made of deformable material.Type: GrantFiled: May 9, 2016Date of Patent: June 4, 2019Assignee: MESSIER-BUGATTI-DOWTYInventor: Norbert Lartigue
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Patent number: 9599121Abstract: The invention concerns a device (1) for controlling the pitch of the blades of a fan (4) rotor (3), comprising a radial shaft (6) linked to the blade, a connection rod (8) of which the axial movement controls the rotation of the radial shaft (6), characterized in that it comprises:—a first part (10) that is mobile in rotation with the rotor (3) about the axis (11) of the fan (4), and on which one end of each connection rod (8) is secured,—a second part (12) linked to the first part (10), and—at least three cylinders (14) capable of moving said second part (12) in axial translation, and of varying the tilt of said second part, the translation and tilt of the second part (12) driving a corresponding translation and tilt of the first part (10), such that, when the first part (10) rotates, each connection rod (8) is subject to axial displacement of which the amplitude is variable and is a function of the tilt of the first part (10), making it possible to vary the pitch of the blade during the rotation of same.Type: GrantFiled: October 8, 2013Date of Patent: March 21, 2017Assignee: SNECMAInventors: Adrien Fabre, Norbert Lartigue
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Publication number: 20160333988Abstract: A roller (1) comprising: rigid reinforcement (4) defining a hub (5) for rotation of the roller about an axis of rotation X and a plurality of bars (6) regularly arranged around the hub (5) and extending parallel to the axis X; and bushings (10), each engaged on a respective one of the bars (6) and each comprising an outer rigid ring (11) surrounding a bushing body (12) made of deformable material.Type: ApplicationFiled: May 9, 2016Publication date: November 17, 2016Applicant: MESSIER-BUGATTI-DOWTYInventor: Norbert LARTIGUE
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Publication number: 20160333989Abstract: A drive roller (1) comprising: a central hub (4); a body (5) extending around the central hub, the body (5) being made of a deformable material; a deformable band (8) extending over a circumference of the drive roller; and first rigid fins (17) and second rigid fins (18) arranged in alternation and extending radially inside the body (5), each first fin presenting a proximal end (17a) fastened to the central hub, and each second fin presenting a distal end (18b) that extends in the proximity of the deformable band.Type: ApplicationFiled: May 5, 2016Publication date: November 17, 2016Applicant: MESSIER-BUGATTI-DOWTYInventors: Norbert LARTIGUE, Pierre-Guillaume PHELUT
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Publication number: 20160177812Abstract: A method for controlling a two-stroke internal combustion engine, the control method including: a longitudinal movement of a piston in the direction of the bottom dead centre of an engine, the movement being triggered by the expansion of burned gases in the master cylinder, during the longitudinal movement of the piston, the process includes a step of intake air pressurisation, adjustment of the pressure of the burned gases to a value lower than the intake air pressure, introduction into the cylinder of pressurised intake air, the air introduced forming a stratification layer redirecting the burned gases in the direction of the exhaust port.Type: ApplicationFiled: July 21, 2014Publication date: June 23, 2016Inventors: Guillaume LABEDAN, Hugues Denis JOUBERT, Norbert LARTIGUE
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Publication number: 20150285262Abstract: The invention concerns a device (1) for controlling the pitch of the blades of a fan (4) rotor (3), comprising a radial shaft (6) linked to the blade, a connection rod (8) of which the axial movement controls the rotation of the radial shaft (6), characterised in that it comprises:—a first part (10) that is mobile in rotation with the rotor (3) about the axis (11) of the fan (4), and on which one end of each connection rod (8) is secured,—a second part (12) linked to the first part (10), and—at least three cylinders (14) capable of moving said second part (12) in axial translation, and of varying the tilt of said second part, the translation and tilt of the second part (12) driving a corresponding translation and tilt of the first part (10), such that, when the first part (10) rotates, each connection rod (8) is subject to axial displacement of which the amplitude is variable and is a function of the tilt of the first part (10), making it possible to vary the pitch of the blade during the rotation of same.Type: ApplicationFiled: October 8, 2013Publication date: October 8, 2015Applicant: SNECMAInventors: Adrien Fabre, Norbert Lartigue
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Patent number: 8596239Abstract: A cylinder head of an internal combustion engine in which a cooling circuit is arranged, suited for a coolant circulation, includes a peripheral duct surrounding an exhaust valve seat and a peripheral duct surrounding an inlet valve seat communicating by means of a connecting duct; the cylinder head including a first coolant inlet, a second coolant inlet, and an outlet for heated coolant, the second inlet communicating with the connecting duct.Type: GrantFiled: January 25, 2011Date of Patent: December 3, 2013Assignee: Société de Motorisations AéronautiquesInventors: Jérôme Escriva, Bruno Blanc, Hervé Pohier, Norbert Lartigue
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Publication number: 20110220043Abstract: A cylinder head of an internal combustion engine in which a cooling circuit is arranged, suited for a coolant circulation, includes a peripheral duct surrounding an exhaust valve seat and a peripheral duct surrounding an inlet valve seat communicating by means of a connecting duct; the cylinder head including a first coolant inlet, a second coolant inlet, and an outlet for heated coolant, the second inlet communicating with the connecting duct.Type: ApplicationFiled: January 25, 2011Publication date: September 15, 2011Applicant: SOCIETE DE MOTORISATIONS AERONAUTIQUESInventors: JÉRÔME ESCRIVA, BRUNO BLANC, HERVÉ POHIER, NORBERT LARTIGUE