Patents by Inventor Henri Michel
Henri Michel 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: 11965433Abstract: A turbomachine turbine nozzle extending around a central axis, including at least one radially outer shroud, at least one radially inner shroud, and at least one blade made of ceramic matrix composite material, distinct from the radially inner shroud and from the radially outer shroud, and extending radially between the radially inner shroud and the radially outer shroud, the blade being hollow and including a cavity opening at a radially inner end and at a radially outer end of the blade, the nozzle including at least one tubular mast arranged in the cavity of the blade and allowing routing the ventilation air passing through the cavity of the blade, the mast including a radially outer end attached to the radially outer shroud, and a radially inner end cooperating with a radial flange for positioning the radially inner shroud.Type: GrantFiled: April 28, 2021Date of Patent: April 23, 2024Assignees: SAFRAN AIRCRAFT ENGINES, SAFRAN CERAMICSInventors: Antoine Claude Michel Etienne Danis, Clément Jarrossay, Lucien Henri Jacques Quennehen, Nicolas Paul Tableau, Matthieu Arnaud Gimat
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Publication number: 20220019656Abstract: A computer-implemented method is disclosed. The method includes: identifying a set of program variables associated with a computer program; generating a profile of variable writes for the computer program based on tracking, for each variable in the set of program variables: a count of memory write operations for writing to the variable; and timestamps associated with the memory write operations; detecting a trigger condition associated with the set of program variables, the detecting including: monitoring a pattern of memory accesses by the computer program, the pattern of memory accesses indicating accesses of memory allocated to variables in the set of program variables; and detecting a deviation of the pattern of memory accesses from the profile of variable writes; and in response to detecting the trigger condition, generating a notification indicating an attack status on the computer program.Type: ApplicationFiled: July 17, 2020Publication date: January 20, 2022Applicant: BlackBerry LimitedInventors: Glenn Daniel WURSTER, Benjamin GNAHM, Paul Henri Michel VIRALLY
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Patent number: 10838010Abstract: Estimating cell capacitance includes learning a function that returns capacitance as a function of an earlier capacitance and a physical characteristic that is correlated with changes in that capacitance and using a supervised learning algorithm on a learning database that has values of the capacitance, values of that physical characteristic measured concurrently with the capacitance and a preceding value of the capacitance.Type: GrantFiled: November 26, 2015Date of Patent: November 17, 2020Assignee: Renault S.A.S.Inventors: Vincent Heiries, Paul-Henri Michel
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Patent number: 10526067Abstract: The invention relates to a propeller ring (10) of a turbomachine (1), with variable-pitch blades (P), the propeller ring (10) comprising a substantially coaxial annular body (11) with a main axis (A) and a plurality of radial housings (12) uniformly distributed around the main axis (A), each radial housing (12) being designed to receive a bearing (13) for a root (14) of a blade (P) so as to allow the variable pitch of the blade (P), the radial housings (12) having a substantially ovoid cross-section in a plane (T) tangential to the annular body (11).Type: GrantFiled: October 30, 2015Date of Patent: January 7, 2020Assignee: SAFRAN AIRCRAFT ENGINESInventors: Sebastien Emile Philippe Tajan, Charles-Henri Michel Marie Derrez, Anthony Lafitte, Cyril Roger Yves Le Pecheur
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Patent number: 10501168Abstract: The invention relates to a hub for an unducted propeller (14) having variable-pitch blades (18) of a turbine engine, comprising two parallel annular side walls (34) between which are arranged rings (36) which are distributed angularly in a regular manner around a longitudinal axis (A) of the hub, which are connected to the annular side walls (34), and which comprise compartments (26) receiving bearings (32) having radial axes (R) for guiding in rotation roots (30) of blades of said propeller, said rings (36) being connected in pairs by connection means (40) which are arranged between the annular side walls (34) and which comprise substantially radial reinforcing partitions (42, 44, 46), characterised in that at least some of said reinforcing partitions (42, 44, 46) are connected to said annular side walls (34).Type: GrantFiled: May 7, 2015Date of Patent: December 10, 2019Assignee: SAFRAN AIRCRAFT ENGINESInventors: Sebastien Emile Philippe Tajan, Charles-Henri Michel Marie Derrez, Caroline Adeline Herauville, Anthony Lafitte, Cyril Roger Yves Le Pecheur
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Patent number: 10378368Abstract: A propeller ring of a turbomachine including an annular body substantially coaxial to a principal axis and a plurality of radial housings uniformly distributed about the principal axis, each radial housing being configured to receive a root of a blade, the annular body being made of composite material including a fibrous reinforcement densified by a polymer matrix and further including a plurality of metallic inserts configured to each receive the root of a blade, said metallic inserts being anchored in the composite material of the annular body.Type: GrantFiled: October 30, 2015Date of Patent: August 13, 2019Assignee: SAFRAN AIRCRAFT ENGINESInventors: Sebastien Emile Philippe Tajan, Charles-Henri Michel Marie Derrez, Anthony Lafitte, Cyril Roger Yves Le Pecheur
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Patent number: 10293918Abstract: The invention relates to a device (12) for a non-streamlined propeller (6, 7) with blades (10) having variable pitch of a turbomachine (1), the device comprising a support (15) intended to support a blade (10) and including a cylindrical foot (17), a bearing comprising a radially internal annular section (20) and a radially external annular section (21) capable of pivoting with respect to each other, the foot (17) being mounted in said internal section (20) of the bearing. The device comprises a hub (27) mounted in the foot (17), said hub (27) including a rim (29) comprising a face (30) coming to bear on the radially internal annular section (20) of the bearing, the hub (27) and the foot (17) of the support (15) comprising complementary engagement elements (18, 28) interacting with a locking component (23).Type: GrantFiled: February 10, 2015Date of Patent: May 21, 2019Assignee: Safran Aircraft EnginesInventors: Charles-Henri Michel Marie Derrez, Adrien Jacques Philippe Fabre, Christophe Paul Jacquemard, Régis Eugène Henri Servant, Sébastien Emile Philippe Tajan
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Patent number: 10118710Abstract: An unducted fan for an aircraft turbine engine, including a propeller having a hub and an annular array of blades extending substantially radially outwards from the hub, is provided. The hub includes an annular array of cowls, each of which is mounted between the radially inner ends of the blades and suitable for being fixed to an upstream collar and to a downstream collar of the hub. At least one cowl includes, at a circumferential end, a joint edge which is contiguous with a complementary joint edge of an adjacent cowl. The at least one cowl and at least one of the upstream and downstream collars are configured so that the cowl can be mounted and dismounted by a movement including a pivoting about an initial pivot axis circumferentially separated from the at least one joint edge.Type: GrantFiled: February 23, 2016Date of Patent: November 6, 2018Assignees: SAFRAN AIRCRAFT ENGINES, AIRCELLEInventors: Charles-Henri Michel Marie Derrez, Adrien Jacques Philippe Fabre, Sebastien Marcelino Juste, Cyril Roger Yves Le Pecheur, Michel Pierre Rognant
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Publication number: 20180313904Abstract: Estimating cell capacitance includes learning a function that returns capacitance as a function of an earlier capacitance and a physical characteristic that is correlated with changes in that capacitance and using a supervised learning algorithm on a learning database that has values of the capacitance, values of that physical characteristic measured concurrently with the capacitance and a preceding value of the capacitance.Type: ApplicationFiled: November 26, 2015Publication date: November 1, 2018Inventors: Vincent Heiries, Paul-Henri Michel
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Publication number: 20170313403Abstract: The invention relates to a propeller ring (10) of a turbomachine (1), with variable-pitch blades (P), the propeller ring (10) comprising a substantially coaxial annular body (11) with a main axis (A) and a plurality of radial housings (12) uniformly distributed around the main axis (A), each radial housing (12) being designed to receive a bearing (13) for a root (14) of a blade (P) so as to allow the variable pitch of the blade (P), the radial housings (12) having a substantially ovoid cross-section in a plane (T) tangential to the annular body (11).Type: ApplicationFiled: October 30, 2015Publication date: November 2, 2017Applicant: Safran Aircraft EnginesInventors: Sebastien Emile Philippe TAJAN, Charles-Henri Michel Marie DERREZ, Anthony LAFITTE, Cyril Roger Yves LE PECHEUR
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Publication number: 20170166295Abstract: The invention relates to a device (12) for a non-streamlined propeller (6, 7) with blades (10) having variable pitch of a turbomachine (1), the device comprising a support (15) intended to support a blade (10) and including a cylindrical foot (17), a bearing comprising a radially internal annular section (20) and a radially external annular section (21) capable of pivoting with respect to each other, the foot (17) being mounted in said internal section (20) of the bearing. The device comprises a hub (27) mounted in the foot (17), said hub (27) including a rim (29) comprising a face (30) coming to bear on the radially internal annular section (20) of the bearing, the hub (27) and the foot (17) of the support (15) comprising complementary engagement elements (18, 28) interacting with a locking component (23).Type: ApplicationFiled: February 10, 2015Publication date: June 15, 2017Applicant: Safran Aircraft EnginesInventors: Charles-Henri Michel Marie Derrez, Adrien Jacques Philippe Fabre, Christophe Paul Jacquemard, Régis Eugène Henri Servant, Sébastien Emile Philippe Tajan
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Publication number: 20170081018Abstract: The invention relates to a hub for an unducted propeller (14) having variable-pitch blades (18) of a turbine engine, comprising two parallel annular side walls (34) between which are arranged rings (36) which are distributed angularly in a regular manner around a longitudinal axis (A) of the hub, which are connected to the annular side walls (34), and which comprise compartments (26) receiving bearings (32) having radial axes (R) for guiding in rotation roots (30) of blades of said propeller, said rings (36) being connected in pairs by connection means (40) which are arranged between the annular side walls (34) and which comprise substantially radial reinforcing partitions (42, 44, 46), characterised in that at least some of said reinforcing partitions (42, 44, 46) are connected to said annular side walls (34).Type: ApplicationFiled: May 7, 2015Publication date: March 23, 2017Inventors: Sebastien Emile Philippe TAJAN, Charles-Henri Michel Marie DERREZ, Caroline Adeline HERAUVILLE, Anthony LAFITTE, Cyril Roger Yves LE PECHEUR
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Publication number: 20160244175Abstract: Unducted fan for an aircraft turbine engine, comprising at least one propeller comprising a hub and an annular array of blades extending substantially radially outwards from said hub, the hub comprising an annular array of cowls which are mounted between the radially inner ends of the blades and suitable for being fixed to an upstream collar and to a downstream collar of the hub, wherein at least one cowl comprises, at a circumferential end, at least one joint edge which is contiguous with a complementary joint edge of an adjacent cowl, and wherein said at least one cowl and at least one of said upstream and downstream collars are configured so that the cowl can be mounted and dismounted by a movement including, at least at the start thereof, a pivoting about an initial pivot axis which is circumferentially separated from said at least one joint edge in the direction of a centre of the cowl, and so that, during said pivoting, said at least one joint edge moves radially away from said complementary joint edgeType: ApplicationFiled: February 23, 2016Publication date: August 25, 2016Applicants: SNECMA, AIRCELLEInventors: Charles-Henri Michel Marie DERREZ, Adrien Jacques Philippe FABRE, Sebastien Marcelino JUSTE, Cyril Roger Yves LE PECHEUR, Michel Pierre ROGNANT
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Publication number: 20160123162Abstract: A propeller ring of a turbomachine including an annular body substantially coaxial to a principal axis and a plurality of radial housings uniformly distributed about the principal axis, each radial housing being configured to receive a root of a blade, the annular body being made of composite material including a fibrous reinforcement densified by a polymer matrix and further including a plurality of metallic inserts configured to each receive the root of a blade, said metallic inserts being anchored in the composite material of the annular body.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Applicant: SNECMAInventors: Sebastien Emile Philippe TAJAN, Charles-Henri Michel Marie Derrez, Anthony Lafitte, Cyril Roger Yves Le Pecheur
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Patent number: 8155267Abstract: A device for X-ray analysis of a sample (1), including: a generation system for the generation of an X-ray beam to irradiate an analysis zone of the sample, said analysis zone defining a analysis mean plane, and the X-ray beam being emitted along a direction of incidence; a detection system for the detection, in at least one dimension, of X-rays diffracted by the irradiated analysis zone. An analyser system located between the sample and the detection system and includes an X-ray diffracting surface forming a partial surface of revolution about an axis of revolution being contained in the analysis mean plane, with the axis of revolution being distinct from the direction of incidence and passing through the centre of the analysis zone, and with the diffracting surface being oriented so as to diffract the X-rays toward the detection system.Type: GrantFiled: March 27, 2008Date of Patent: April 10, 2012Assignee: Centre National de la Recherche Scientifique (CNRS)Inventors: Jean-Louis Hodeau, Pierre Henri Michel Bordet, Alessandra Gianoncelli, Luc Ortega, Alain Prat, Philippe Walter, Joseph Salomon, Eric Dooryhe
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Patent number: 6738414Abstract: The present invention provides a system and method for radio communications wherein the transmitted signals include an intermediate frequency in addition to a carrier frequency to aid in demodulation of data modulated on the signals and regulate the local oscillator frequency at the receiver. The invention greatly reduces the number of components required to implement a radio, and in particular, a direct sequence spread spectrum radio, reduces the frequency stability requirement at the transmitting and receiving ends of the communication, automatically tracks changes in the transmission signal after transmission, and permits the use of a single frequency reference to provide all required frequencies to operate both the receiver and the transmitter in each radio.Type: GrantFiled: February 12, 2001Date of Patent: May 18, 2004Assignee: Pan Atlantic CorporationInventors: David L. Emery, Pierre Henri Michel Abbat
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Publication number: 20010015995Abstract: The present invention provides a system and method for radio communications wherein the transmitted signals include an intermediate frequency in addition to a carrier frequency to aid in demodulation of data modulated on the signals and regulate the local oscillator frequency at the receiver. The invention greatly reduces the number of components required to implement a radio, and in particular, a direct sequence spread spectrum radio, reduces the frequency stability requirement at the transmitting and receiving ends of the communication, automatically tracks changes in the transmission signal after transmission, and permits the use of a single frequency reference to provide all required frequencies to operate both the receiver and the transmitter in each radio.Type: ApplicationFiled: February 12, 2001Publication date: August 23, 2001Inventors: David L. Emery, Pierre Henri Michel Abbat
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Patent number: 6248588Abstract: The present invention relates to a medium allowing the preservation and cryopreservation of biological materials such as animal cells and viral particles that are directly injectable or reinjectable into an organism. A medium for preserving and/or freezing biological materials, including a saline solution, modified fluid gelatin and human serum albumin, is disclosed.Type: GrantFiled: December 14, 1998Date of Patent: June 19, 2001Assignee: Aventis Pharms S.A.Inventors: André Crespo, Henri Michel Soria
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Patent number: 6237075Abstract: The invention provides a volatile or non-volatile memory and a latching circuit wherein data held in a first memory location is used to address the next memory location, in addition to providing a synchronous portion of the code. Accordingly, the data at the next memory address is used as a succeeding address and a subsequent portion of the code. The data is organized to repeat when the data stored in the address location is equal to the starting address.Type: GrantFiled: March 17, 2000Date of Patent: May 22, 2001Assignee: Pan Atlantic CorporationInventors: David L. Emery, Pierre Henri Michel Abbat
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Patent number: D974551Type: GrantFiled: December 9, 2020Date of Patent: January 3, 2023Assignee: Fisher & Paykel Healthcare LimitedInventors: Rachel Nicole Mosen, Christopher Peter Hutchinson, Emeric Henri Michel Belleux, Hugo Max Treherne James