Patents by Inventor Laurent PAUL
Laurent PAUL 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: 11912721Abstract: A series of fused pentacyclic imidazole derivatives, being potent modulators of human TNFa activity, are accordingly of benefit in the treatment and/or prevention of various human ailments, including autoimmune and inflammatory disorders; neurological and neurodegenerative disorders; pain and nociceptive disorders; cardiovascular disorders; metabolic disorders; ocular disorders; and oncological disorders. In particular, the present invention is concerned with 6, 7-dihydro-7, 14-methanobenzimidazo[1, 2-b][2,5]benzodiazocin-5(14H)-one derivatives and analogs thereof.Type: GrantFiled: November 24, 2020Date of Patent: February 27, 2024Assignees: UCB Biopharma SRL, SanofiInventors: Teresa De Haro Garcia, Michael Deligny, Jag Paul Heer, Joanna Rachel Quincey, Mengyang Xuan, Zhaoning Zhu, Daniel Christopher Brookings, Mark Daniel Calmiano, Yves Evrard, Martin Clive Hutchings, James Andrew Johnson, Sophie Jadot, Jean Keyaerts, Malcolm MacCoss, Matthew Duncan Selby, Michael Alan Shaw, Dominique Louis Leon Swinnen, Laurent Schio, Yann Foricher, Bruno Filoche-Romme
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Publication number: 20230336360Abstract: A server includes a memory to store instructions, and a processor, coupled to the memory, to execute the instructions to cause the server to receive a wrapper which includes a plurality of items of information. The plurality of items of information are encrypted and pertain to a state of a device which is remotely located from the server, and include at least one item of information regarding a resource or functionality of the device. The processor may execute the instructions to cause the server to decrypt the wrapper including the plurality of items of information, unwrap and de-aggregate the plurality of items of information from the wrapper, and transmit the plurality of items of information to a digital avatar which virtually represents the device to synchronize a state of the digital avatar with the state of the device.Type: ApplicationFiled: July 1, 2021Publication date: October 19, 2023Inventors: Laurent Paul Henri PIZOT, Sudhindra Venkatesh KULKARNI, Vishwanath RN, Prabha RANGASWAMY
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Publication number: 20230089114Abstract: The invention relates to an abradable coating for a turbomachine, comprising a mineral compound having a Mohs hardness of 6 or less and a melting temperature of more than 450° C. or even 800° C., and a polymeric compound with a content of between 40% and 70% by volume.Type: ApplicationFiled: February 15, 2021Publication date: March 23, 2023Inventors: Guillaume FRADET, Laurent Paul DUDON, Serge Georges Vladimir SELEZNEFF
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Publication number: 20220290617Abstract: An aircraft propulsion assembly including a fan shaft which is connected to a turbine shaft by means of a reduction gear. The guiding of the fan shaft is carried out by a first bearing including cylindrical rollers and a second beating including two rows of balls with oblique contact.Type: ApplicationFiled: September 7, 2020Publication date: September 15, 2022Inventors: François Marie Paul MARLIN, Didier Gabriel Bertrand DESOMBRE, Christophe Paul JACQUEMARD, Laurent Paul François PERROT
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Publication number: 20220282633Abstract: An abradable coating for a turbomachine, as well as a turbomachine module and a turbomachine including such an abradable coating, the abradable coating including, with a content of greater than 50% by volume, an inorganic compound whose Mohs hardness is less than 6 and whose melting temperature is greater than 900° C.Type: ApplicationFiled: July 22, 2020Publication date: September 8, 2022Applicant: SAFRAN AIRCRAFT ENGINESInventors: Guillaume FRADET, Laurent Paul DUDON, Serge Georges Vladimir SELEZNEFF
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Publication number: 20220243604Abstract: The present invention relates to a method for continuously manufacturing an abradable sealing element, this element comprising a support substrate covered by a coating comprising at least two successive layers, each comprising a sublayer of abradable material and a sublayer of erosion-control material. This method is noteworthy in that it comprises the steps consisting in: —a) placing at least one support substrate on a rotary carousel around which are placed at least two thermal spray torches enabling the sublayer of abradable material and that of erosion-control material to be deposited, —b) rotating the carousel so as to bring said support substrate successively opposite one then the other of the two torches and to carry out the deposition of the various sublayers and to repeat this operation so as to obtain said sealing element.Type: ApplicationFiled: July 23, 2020Publication date: August 4, 2022Applicant: Safran Aircraft EnginesInventors: Hubert Jean-Yves ILLAND, Serge Georges Vladimir SELEZNEFF, Guillaume FRADET, Laurent Paul DUDON
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Patent number: 11378014Abstract: A turbomachine includes a low-pressure shaft that drives a fan shaft in rotation by a coupling assembly including a first shaft on which are formed plural first axial grooves, a second shaft on which are formed plural second axial grooves, and a coupling device including rolling elements and an annular cage positioned between the first shaft and the second shaft. The rolling elements are positioned between one of the first axial grooves and one of the second axial grooves to couple in rotation the first and the second shaft. Each first and second groove has a first and a second substantially planar surface inclined with respect to one another and extending along the axis.Type: GrantFiled: May 15, 2019Date of Patent: July 5, 2022Assignee: SAFRAN AIRCRAFT ENGINESInventors: Stéphane Pierre Guillaume Blanchard, Helene Myriam Condat, Nicolas Xavier Trappier, Laurent Paul François Perrot
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Patent number: 11359545Abstract: A pyrotechnic device comprising a main pyrotechnic charge, a firing device for firing the main pyrotechnic charge, a discharge passage for discharging the gas generated by firing the main pyrotechnic charge, and an injector device configured to inject a cooling fluid into said gas discharge passage, so as to deliver gas, specifically for driving turbines, at temperatures that are relatively low, and a method of cooling gas generated by firing the main pyrotechnic charge by injecting the cooling fluid.Type: GrantFiled: November 17, 2017Date of Patent: June 14, 2022Assignee: Safran Helicopter EnginesInventors: François Danguy, Laurent Paul Lattanzio Fabbri, Romain Maurice Henri Yannick Gauthier, Didier Paul Saucereau
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Patent number: 11306385Abstract: Tooling for the coating of lips of a turbomachine rotor sector, comprising a support for a rotor sector, a centering plate adapted to be inserted into a rotor sector, said centering plate having a central housing, a tool, said tool comprising a centering arm, adapted to be inserted into the central housing of the centering plate, a torch, adapted to spray a ceramic material, a machining tool, said tooling being configured so as to position the tool relative to the rotor sector via the centering plate, and to simultaneously perform on the rotor sector a spraying of ceramic material and a machining on two distinct sectors of the lips.Type: GrantFiled: February 18, 2020Date of Patent: April 19, 2022Assignee: SAFRAN AIRCRAFT ENGINESInventors: Laurent Paul Dudon, Mickaël Thiercelin
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Publication number: 20210277510Abstract: A bond sublayer is applied to a part and a ceramic layer is deposited on the bond sublayer by plasma spraying. The ceramic layer is then sintered.Type: ApplicationFiled: March 6, 2020Publication date: September 9, 2021Applicant: Safran Aircraft EnginesInventors: Pascal Fabrice BILHE, Laurent Paul Dudon, Pascal Jacques Raymond Martinet
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Publication number: 20210189972Abstract: The invention relates to a turbomachine comprising a low-pressure shaft (27) configured to drive a fan shaft (32) in rotation by means of a coupling assembly comprising a first shaft (1) on which are formed a plurality of first axial grooves (7), a second shaft (2) on which are formed a plurality of second axial grooves (12), and a coupling device (4) including a plurality of rolling elements (13) and an annular cage (14) positioned between the first shaft (1) and the second shaft (2), the rolling elements (13) being positioned between one of the first axial grooves (7) and one of the second axial grooves (12) to couple in rotation the first and the second shaft (1, 2), each first and second groove (7, 12) having a first (16) and a second (17) substantially planar surface inclined with respect to one another and extending along the axis.Type: ApplicationFiled: May 15, 2019Publication date: June 24, 2021Applicant: SAFRAN AIRCRAFT ENGINESInventors: Stéphane Pierre Guillaume BLANCHARD, Helene Myriam CONDAT, Nicolas Xavier TRAPPIER, Laurent Paul François PERROT
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Publication number: 20200263286Abstract: Tooling for the coating of lips of a turbomachine rotor sector, comprising a support for a rotor sector, a centering plate adapted to be inserted into a rotor sector, said centering plate having a central housing, a tool, said tool comprising a centering arm, adapted to be inserted into the central housing of the centering plate, a torch, adapted to spray a ceramic material, a machining tool, said tooling being configured so as to position the tool relative to the rotor sector via the centering plate, and to simultaneously perform on the rotor sector a spraying of ceramic material and a machining on two distinct sectors of the lips.Type: ApplicationFiled: February 18, 2020Publication date: August 20, 2020Applicant: SAFRAN AIRCRAFT ENGINESInventors: Laurent Paul DUDON, Mickaël THIERCELIN
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Publication number: 20190285001Abstract: A pyrotechnic device comprising a main pyrotechnic charge, a firing device for firing the main pyrotechnic charge, a discharge passage for discharging the gas generated by firing the main pyrotechnic charge, and an injector device configured to inject a cooling fluid into said gas discharge passage, so as to deliver gas, specifically for driving turbines, at temperatures that are relatively low, and a method of cooling gas generated by firing the main pyrotechnic charge by injecting the cooling fluid.Type: ApplicationFiled: November 17, 2017Publication date: September 19, 2019Applicant: Safran Helicopter EnginesInventors: François DANGUY, Laurent Paul Lattanzio FABBRI, Romain Maurice Henri Yannick GAUTHIER, Didier Paul SAUCEREAU
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Patent number: 10359048Abstract: A sealing system for at least one floatingly mounted ring in a support for a rotary shaft rotatable about an axis directed along a longitudinal direction provides dynamic sealing between the shaft and the support. The system includes a coupling part interposed between the ring and the support, whereby the ring is secured to the support. A first cylindrical type joint directed with respect to a first transverse direction provides a joint between the support and the coupling part. A second cylindrical type joint directed with respect to a second transverse direction perpendicular to the first transverse direction provides a joint between the ring and the coupling part. A turbopump includes such rotary shafts and sealing systems.Type: GrantFiled: September 8, 2015Date of Patent: July 23, 2019Assignee: SAFRAN AIRCRAFT ENGINESInventors: Laurent Paul Lattanzio Fabbri, Vincent Langlois, Cedric Sene
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Publication number: 20190038415Abstract: Disclosed is an implant molding system for the molding of an hardenable implant forming material including a mold obtainable from an image of a bone defect by additive manufacturing and having a surface concave along at least one axis; and a tangible unit for retaining the implant forming material in the mold during hardening and for unmolding the implant thereafter; wherein the tangible unit for retaining the implant forming material in the mold during hardening and for unmolding after hardening includes or consists of a coating to be applied onto the concave surface of the mold.Type: ApplicationFiled: September 16, 2016Publication date: February 7, 2019Inventors: Guido HEUNEN, Michel SCLAVONS, Christine KINET, Khanh TRAN DUY, Laurent PAUL
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Patent number: 10107111Abstract: A corrosion-resistant abradable covering to adhesively bond to a wear portion of a structural part, the covering including at least a polyester-based matrix and an aluminum alloy filler that are molded together.Type: GrantFiled: July 16, 2013Date of Patent: October 23, 2018Assignee: Safran Aéro BoostersInventors: Laurent Paul Dudon, Philippe Charles Alain Le Biez, Serge Selezneff
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Patent number: 9920431Abstract: A method of preparing a substrate to receive a metal coating deposited by thermal spraying, the method including the following steps: a) depositing a layer of adhesive on the zone to be coated, the layer having a uniform thickness greater than 10 ?m and less than 100 ?m; b) before the adhesive dries, cold spraying a metal powder onto the zone to be coated, so that powder particles become embedded at least in part in the layer of adhesive; and c) drying the adhesive in which the powder particles remain held captive, thereby forming an undercoat suitable for receiving a metal coating deposited by thermal spraying. The method is applicable to protecting the leading edges of fan blades.Type: GrantFiled: July 3, 2014Date of Patent: March 20, 2018Assignee: SNECMAInventors: Laurent Paul Dudon, Antonio Cremildo Arantes
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Publication number: 20170292526Abstract: A sealing system for at least one floatingly mounted ring in a support for a rotary shaft rotatable about an axis directed along a longitudinal direction provides dynamic sealing between the shaft and the support. The system includes a coupling part interposed between the ring and the support, whereby the ring is secured to the support. A first cylindrical type joint directed with respect to a first transverse direction provides a joint between the support and the coupling part. A second cylindrical type joint directed with respect to a second transverse direction perpendicular to the first transverse direction provides a joint between the ring and the coupling part. A turbopump includes such rotary shafts and sealing systems.Type: ApplicationFiled: September 8, 2015Publication date: October 12, 2017Applicant: SAFRAN AIRCRAFT ENGINESInventors: Laurent Paul Lattanzio FABBRI, Vincent LANGLOIS, Cedric SENE
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Patent number: 9664201Abstract: A method of making a reinforcement for reinforcing a leading edge of a blade, the method including depositing a metal coating on the leading edge by thermal spraying in compression. A blade, for example a blade for a turbine engine, a helicopter, or a propeller, can have the leading edge protected by such a reinforcement.Type: GrantFiled: August 9, 2012Date of Patent: May 30, 2017Assignee: SNECMAInventors: Laurent Paul Dudon, Antonio Cremildo Arantes
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Publication number: 20160369407Abstract: A method of preparing a substrate to receive a metal coating deposited by thermal spraying, the method including the following steps: a) depositing a layer of adhesive on the zone to be coated, the layer having a uniform thickness greater than 10 ?m and less than 100 ?m; b) before the adhesive dries, cold spraying a metal powder onto the zone to be coated, so that powder particles become embedded at least in part in the layer of adhesive; and c) drying the adhesive in which the powder particles remain held captive, thereby forming an undercoat suitable for receiving a metal coating deposited by thermal spraying. The method is applicable to protecting the leading edges of fan blades.Type: ApplicationFiled: July 3, 2014Publication date: December 22, 2016Applicant: SNECMAInventors: Laurent Paul DUDON, Antonio Cremildo ARANTES