Patents by Inventor CEDRIC CARLAVAN
CEDRIC CARLAVAN 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: 11969791Abstract: An additive manufacturing machine (10) comprises a working plane (18) comprising a working zone (20) allowing an overlay of different layers of powder to be received, and a powder dispensing device (32) comprising a powder intake (36) allowing powder to be delivered on top of the working plane. The powder dispensing device (32) comprises a tank (44) of powder mounted to move above the working plane (18) and that can be displaced to under the powder intake (36), the bottom part (45) of the tank (44) comprises a powder dispensing point (P1), and the powder dispensing device (32) comprises a control device (48) controlling the flow of powder via the powder dispensing point during a displacement of the tank. The tank (44) is mounted on a weighing sensor (68).Type: GrantFiled: October 14, 2019Date of Patent: April 30, 2024Assignee: ADDUPInventors: Albin Effernelli, Cedric Carlavan
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Patent number: 11478955Abstract: In the field of mixing rubber mixtures, the invention is directed to a rotor (100) for use in an internal mixer having a mixing vessel in which the rotor rotates, the rotor having one or more blades (104), each blade having a tip (104a) with a profile having a predefined curvature; and an anti-wear device detachably fixed to the tip (104a) of at least one blade, the anti-wear device including a plate (110) with a profile defined by a lower surface (112) with a curvature complementary to that of the tip 104a and an upper surface (114) with a curvature complementary to that of a wall of the vessel to define, between them, a zone of minimum distance that allows passage of the mixture between the plate (110) and the wall of the vessel. The invention is also directed to an internal mixer having at least one mixing vessel in which the disclosed rotor (100) rotates.Type: GrantFiled: May 20, 2019Date of Patent: October 25, 2022Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Bruno Dussardier, Cedric Carlavan, Yves Liais, Crescence Weber
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Publication number: 20220266475Abstract: In the field of mixing rubber mixtures, o a rotor (100), for use in an internal mixer having a mixing vessel in which the rotor rotates includes one or more blades (104), each blade having a tip (104a) with a profile having a predefined curvature and an anti-wear device detachably fixed to the tip (104a) of at least one blade. The anti-wear device includes a plate (110) with a profile defined by a lower surface (112) with a curvature complementary to that of the tip (104a) and an upper surface (114) with a curvature complementary to that of a wall of the vessel to define, between them, a zone of minimum distance that allows a passage of the mixture between the plate (110) and the wall of the vessel. One or more fastening systems (135) are fitted and tightened with respect to the plate (110) so as to engage the rotor (100).Type: ApplicationFiled: July 7, 2020Publication date: August 25, 2022Inventors: BRUNO DUSSARDIER, CEDRIC CARLAVAN, YVES LIAIS, CRESCENCE WEBER
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Publication number: 20220212266Abstract: A powder bed fusion additive manufacturing machine (10) comprises a working area (20) able to receive a superposition of different layers of powder, a device (30) for depositing a layer of powder onto the working area and a consolidation source (40) used to selectively consolidate each layer of powder deposited onto the working area, the device for depositing a layer of powder comprising a powder reservoir (32) able to be positioned above the working area, and a powder distribution opening being provided in the bottom part of the reservoir, the device for depositing a layer of powder comprising a vibrating device (68) able to subject the reservoir to vibrations, and the powder distribution opening of the reservoir being equipped with a sieve. The reservoir is mounted on a weighing sensor.Type: ApplicationFiled: May 19, 2020Publication date: July 7, 2022Inventors: ALEXANDRE JEANNOT, ALBIN EFFERNELLI, CEDRIC CARLAVAN
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Patent number: 11345083Abstract: An additive manufacturing machine (10) comprises at least one movable powder reception surface (28) capable of being displaced in proximity to a manufacturing zone (20), a powder spreading device (30), and a device (32) for distributing powder on the movable reception surface. The powder distribution device comprises a buffer tank (38) linked to a powder supply (40) and a distribution duct (42) linking the buffer tank to a powder distribution point (P1) situated above the movable reception surface, and the distribution duct (42) is mounted on a vibrating device making it possible to vibrate the distribution duct so as to generate a continuous flow of powder in the distribution duct and from the buffer tank to the powder distribution point.Type: GrantFiled: February 25, 2019Date of Patent: May 31, 2022Assignee: ADDUPInventors: Cedric Carlavan, Gilles Walrand
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Patent number: 11254040Abstract: A subject of the invention is a process for surfacing or resurfacing a metal part by laser-assisted deposition of a filler material in order to produce an abradable coating of the part, the process being characterized in that the filler material is an iron-based powder comprising vanadium, chromium, nickel, boron, silicon and carbon, in that the laser has an operational wavelength ranging from 900 nm to 1100 nm and in that it comprises the irradiation of the part by a laser beam such that the specific energy (SE) varies from 5 J/mg to 10 J/mg and such that the linear density (LD) varies from 25 mg/mm to 55 mg/mm. Another subject of the invention is the surfaced or resurfaced metal part. Another subject of the invention is a pre-alloy in iron-based powder form, comprising vanadium, chromium, nickel, boron, silicon and carbon.Type: GrantFiled: October 6, 2016Date of Patent: February 22, 2022Assignees: COMPAGNIE GENERAL DES ETABLISSISIEMENTS MICHELIN CLERMONT-FERRAND, FRANCE, ASSOCIATION POUR LA RECHERCHE DEVELOPPEMENT DES METHODES ET PROCESSUS INDUSTRIELS-A.R.M.IN.E.S., ECOLE NATIONALE D'INGENIEURS DE SAINT ETIENNE SAINT ETIENNE, FRANCE, DMA LASERInventors: Bernard Cappa, Cédric Carlavan, Christophe Colin, Maryane Jacquier, Julien Sijobert, Ludovic Thivillon
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Publication number: 20220001453Abstract: An additive manufacturing machine (10) comprises a working plane (18) comprising a working zone (20) allowing an overlay of different layers of powder to be received, and a powder dispensing device (32) comprising a powder intake (36) allowing powder to be delivered on top of the working plane. The powder dispensing device (32) comprises a tank (44) of powder mounted to move above the working plane (18) and that can be displaced to under the powder intake (36), the bottom part (45) of the tank (44) comprises a powder dispensing point (P1), and the powder dispensing device (32) comprises a control device (48) controlling the flow of powder via the powder dispensing point during a displacement of the tank. The tank (44) is mounted on a weighing sensor (68).Type: ApplicationFiled: October 14, 2019Publication date: January 6, 2022Inventors: ALBIN EFFERNELLI, CEDRIC CARLAVAN
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Publication number: 20210213646Abstract: In the field of mixing rubber mixtures, the invention is directed to a rotor (100) for use in an internal mixer having a mixing vessel in which the rotor rotates, the rotor having one or more blades (104), each blade having a tip (104a) with a profile having a predefined curvature; and an anti-wear device detachably fixed to the tip (104a) of at least one blade, the anti-wear device including a plate (110) with a profile defined by a lower surface (112) with a curvature complementary to that of the tip 104a and an upper surface (114) with a curvature complementary to that of a wall of the vessel to define, between them, a zone of minimum distance that allows passage of the mixture between the plate (110) and the wall of the vessel. The invention is also directed to an internal mixer having at least one mixing vessel in which the disclosed rotor (100) rotates.Type: ApplicationFiled: May 20, 2019Publication date: July 15, 2021Inventors: BRUNO DUSSARDIER, CEDRIC CARLAVAN, YVES LIAIS, CRESCENCE WEBER
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Publication number: 20210001544Abstract: An additive manufacturing machine (10) comprises at least one movable powder reception surface (28) capable of being displaced in proximity to a manufacturing zone (20), a powder spreading device (30), and a device (32) for distributing powder on the movable reception surface. The powder distribution device comprises a buffer tank (38) linked to a powder supply (40) and a distribution duct (42) linking the buffer tank to a powder distribution point (P1) situated above the movable reception surface, and the distribution duct (42) is mounted on a vibrating device making it possible to vibrate the distribution duct so as to generate a continuous flow of powder in the distribution duct and from the buffer tank to the powder distribution point.Type: ApplicationFiled: February 25, 2019Publication date: January 7, 2021Inventors: CEDRIC CARLAVAN, GILLES WALRAND
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Publication number: 20180297260Abstract: A subject of the invention is a process for surfacing or resurfacing a metal part by laser-assisted deposition of a filler material in order to produce an abradable coating of the part, the process being characterized in that the filler material is an iron-based powder comprising vanadium, chromium, nickel, boron, silicon and carbon, in that the laser has an operational wavelength ranging from 900 nm to 1100 nm and in that it comprises the irradiation of the part by a laser beam such that the specific energy (SE) varies from 5 J/mg to 10 J/mg and such that the linear density (LD) varies from 25 mg/mm to 55 mg/mm. Another subject of the invention is the surfaced or resurfaced metal part. Another subject of the invention is a pre-alloy in iron-based powder form, comprising vanadium, chromium, nickel, boron, silicon and carbon.Type: ApplicationFiled: October 6, 2016Publication date: October 18, 2018Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, ASSOCIATION POUR LA RECHERCHE DEVELOPMENT DES METHODEST ET PROCESSUS INDUSTRIELS - A.R.M.I.N.E.S, ECOLE NATIONALE D'INGENIEURS DE SAINT ETIENNE, DMA LASERInventors: Bernard CAPPA, Cédric CARLAVAN, Christophe COLIN, Maryane JACQUIER, Julien SIJOBERT, Ludovic THIVILLON
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Patent number: 9115733Abstract: The present invention relates to a servo-control (1) provided with at least one body (2) defining an inside space (10) together with a slider element (11) having a control piston (12) suitable for sliding in said inside space (10), said control piston (12) subdividing said inside space (10) into a retraction chamber (4) and an extension chamber (3). The servo-control (1) has at least one limit force detector device (20) comprising a casing (21) secured to said body (2) and defining a detection space (22). Furthermore, a movable member (50) subdivides said detection space (22) into a first detection chamber (26) opening out to said inside space (10) and a second detection chamber (27). Finally, the device includes detector means (29) for detecting the position of said movable member (50) in said detection space (22).Type: GrantFiled: July 7, 2011Date of Patent: August 25, 2015Assignee: Airbus HelicoptersInventors: Jean-Romain Bihel, Pascal Leguay, Cédric Carlavan, Nicolas Bourdais
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Patent number: 8886370Abstract: The present invention relates to a friction device (11) for maintaining a control member (2, 8) in a determined position. The device comprises a contact part (16) movable between a declutched stable position and a clutched stable position, and vice versa. The clutched stable position corresponds to a position in which the contact part (16) bears against the control member (2, 8) in such a manner as to establish a determined friction force. An electromechanical drive means moves the contact part (16) between the two stable positions. The device includes remote control means for activating and deactivating the drive means.Type: GrantFiled: May 6, 2011Date of Patent: November 11, 2014Assignee: Airbus HelicoptersInventors: Cédric Carlavan, Pascal Leguay
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Publication number: 20120011840Abstract: The present invention relates to a servo-control (1) provided with at least one body (2) defining an inside space (10) together with a slider element (11) having a control piston (12) suitable for sliding in said inside space (10), said control piston (12) subdividing said inside space (10) into a retraction chamber (4) and an extension chamber (3). The servo-control (1) has at least one limit force detector device (20) comprising a casing (21) secured to said body (2) and defining a detection space (22). Furthermore, a movable member (50) subdivides said detection space (22) into a first detection chamber (26) opening out to said inside space (10) and a second detection chamber (27). Finally, the device includes detector means (29) for detecting the position of said movable member (50) in said detection space (22).Type: ApplicationFiled: July 7, 2011Publication date: January 19, 2012Applicant: EUROCOPTERInventors: Jean-Romain Bihel, Pascal Leguay, Cédric Carlavan, Nicolas Bourdais
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Publication number: 20110276202Abstract: The present invention relates to a friction device (11) for maintaining a control member (2, 8) in a determined position. The device comprises a contact part (16) movable between a declutched stable position and a clutched stable position, and vice versa. The clutched stable position corresponds to a position in which the contact part (16) bears against the control member (2, 8) in such a manner as to establish a determined friction force. An electromechanical drive means moves the contact part (16) between the two stable positions. The device includes remote control means for activating and deactivating the drive means.Type: ApplicationFiled: May 6, 2011Publication date: November 10, 2011Applicant: EUROCOPTERInventors: Cédric Carlavan, Pascal Leguay
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Patent number: 7753697Abstract: An electrical connection (1) for electrically interconnecting adjacent first and second metal parts (2, 3) that are electrically insulated from each other, includes clamping elements (30) together with first and second metal inserts (10, 20) that are arranged respectively in first and second openings (4, 5) formed in the first and second metal parts (2, 3), the first and second inserts (10, 20) being secured to each other by the clamping elements (30) so as to be electrically in contact.Type: GrantFiled: September 3, 2008Date of Patent: July 13, 2010Assignee: EurocopterInventors: Cédric Carlavan, Philippe Corre
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Publication number: 20090227128Abstract: An electrical connection (1) for electrically interconnecting adjacent first and second metal parts (2, 3) that are electrically insulated from each other, includes clamping elements (30) together with first and second metal inserts (10, 20) that are arranged respectively in first and second openings (4, 5) formed in the first and second metal parts (2, 3), the first and second inserts (10, 20) being secured to each other by the clamping elements (30) so as to be electrically in contact.Type: ApplicationFiled: September 3, 2008Publication date: September 10, 2009Applicant: EUROCOPTERInventors: CEDRIC CARLAVAN, Philippe Corre