Patents by Inventor Camel SERGHINE

Camel SERGHINE 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).

  • Patent number: 11923736
    Abstract: The present invention relates to an electric machine for an aircraft, comprising a stator and a rotor that is rotationally mobile with respect to the stator, the rotor or the stator comprising a plurality of permanent magnets, the machine comprising a device for demagnetising a permanent magnet, suitable for achieving a temporary increase in the temperature of the permanent magnet, in order to limit, during the temporary increase in temperature, an exciting magnetic flux generated by the permanent magnet. The present invention furthermore relates to an assembly comprising an assembly comprising such an electric machine and a hot-fluid source suitable for delivering hot fluid to the demagnetising device of the electric machine. The hot-fluid source may be a gas stream of a turbine engine.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: March 5, 2024
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Camel Serghine, Thomas Klonowski, Loïs Pierre Denis Vive
  • Patent number: 11891907
    Abstract: A turbogenerator (1) for an aircraft (2) comprising: a turboshaft engine (3); an electric generator (4) comprising a rotor (5) driven mechanically by the turboshaft engine (3) and a stator (6) supported by a housing (7) of the electric generator (4); characterized in that the turbogenerator (1) comprises a static separator (8) for separating an air/oil mixture coming from the turboshaft engine (3), the static separator (8) being positioned around the housing (7) of the electric generator (4).
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 6, 2024
    Assignees: SAFRAN HELICOPTER ENGINES, SAFRAN POWER UNITS
    Inventors: Camel Serghine, Denis Antoine Julien Real
  • Patent number: 11876415
    Abstract: The present invention relates to an electric machine for an aircraft, comprising a stator and a rotor that is rotationally mobile with respect to the stator, the rotor or the stator comprising a plurality of permanent magnets, the machine comprising a device for demagnetising a permanent magnet, suitable for achieving a temporary increase in the temperature of the permanent magnet, in order to limit, during the temporary increase in temperature, an exciting magnetic flux generated by the permanent magnet. The present invention furthermore relates to an assembly comprising an assembly comprising such an electric machine and a hot-fluid source suitable for delivering hot fluid to the demagnetising device of the electric machine. The hot-fluid source may be a gas stream of a turbine engine.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: January 16, 2024
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Camel Serghine, Thomas Klonowski, Loïs Pierre Denis Vive
  • Patent number: 11827374
    Abstract: In the field of multi-rotor rotary-wing aircraft a propulsion system for such an aircraft includes a reconfigurable electric network for supplying the electric motors driving the rotors. The system includes: a supply source, a supply bus connected to the supply source, at least four drive units each including an electric motor and its control circuit, and an electrical ring network including: an electrical line which is interrupted at each drive unit and whose ends are connected to the supply bus, and, for each drive unit, a first switch and a second switch that are connected between the control circuit and the electrical line, on either side of the interruption.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 28, 2023
    Assignees: SAFRAN, SAFRAN ELECTRICAL & POWER, SAFRAN HELICOPTER ENGINES, SAFRAN POWER UNITS, SAFRAN ELECTRONICS & DEFENSE
    Inventors: Thomas Klonowski, Thomas Barraco, Camel Serghine
  • Publication number: 20230348088
    Abstract: A propulsion unit having a propeller for an aircraft including a nacelle; a propeller mounted in the nacelle so as to be capable of rotating about a longitudinal axis of rotation, the propeller having blades mounted by a root so as to be capable of pivoting between a deployed position, in which they extend radially relative to the axis of rotation, and a folded position, in which they are longitudinally received against the nacelle; drive means that rotate the propeller; indexing means for stopping the propeller in at least one indexed angular position relative to the nacelle; the propulsion unit wherein the indexing means consist of a stepping electric motor including a rotor that is coupled to the propeller.
    Type: Application
    Filed: June 10, 2021
    Publication date: November 2, 2023
    Inventors: Jean-Louis Robert Guy BESSE, Camel SERGHINE
  • Publication number: 20230318416
    Abstract: A method for protecting coils from excessive heating in an aircraft electrical machine comprising a stator (12) and a rotor (14) configured to be rotationally driven with respect to one another, the stator including a plurality of notches (120) receiving one and the same plurality or otherwise of coils, the method including the following successive steps: inserting an electrical insulator (16) into the notches or onto the teeth of the stator, installing the coils (18) in the notches or on the teeth of the stator, casting a phase change material (20) in the notches or on the teeth equipped with the coils, the electrical insulator forming a casting mold.
    Type: Application
    Filed: August 13, 2021
    Publication date: October 5, 2023
    Applicants: SAFRAN HELICOPTER ENGINES, SAFRAN
    Inventors: Camel SERGHINE, Thomas KLONOWSKI, Pierre Gabriel Marie QUINIO, Sabrina Siham AYAT, Eric ROULAND, Sébastien YON, Albert MUTABAZI
  • Publication number: 20230249812
    Abstract: A propulsion unit with a propeller includes a nacelle; a propeller rotatably mounted in the nacelle by means of a hub. The propeller has blades mounted in a blade cuff that is pivotable about a pitch axis relative to the hub. Each blade is pivotable relative to the cuff about a folding axis. A folding device includes an actuator for folding the blades. The folding device includes a control member rotationally affixed to the blade cuff and driven by the actuator. A connecting rod is pivotably mounted, on the one hand, on a root of the associated blade and, on the other hand, on the movable control member.
    Type: Application
    Filed: June 14, 2021
    Publication date: August 10, 2023
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Jean-Louis Robert Guy BESSE, Camel SERGHINE
  • Publication number: 20230243467
    Abstract: A method for starting an aircraft engine in which the engine is coupled to a lubrication circuit including an oil pump system, the lubrication circuit being constructed and arranged to circulate oil in the engine, and in which an operating mode of the engine includes a stop mode and a standby mode, the starting method including, during a starting phase, measuring an oil temperature, the measurement being performed by a temperature detection device; depending on the temperature measured, compared to a threshold temperature, and depending on the operating mode of the engine, select a starting oil flow profile to be applied in said engine, the selection being performed by a calculator, and applying the selected starting oil flow profile by the oil pump system, the oil pump system being controlled by the calculator.
    Type: Application
    Filed: July 6, 2021
    Publication date: August 3, 2023
    Inventors: Camel SERGHINE, Olivier ROBERT, Thomas KLONOWSKI, Caroline Maud Léna SEVE
  • Publication number: 20230234696
    Abstract: A propulsion unit with a propeller is provided, having a nacelle and a propeller rotatably mounted in the nacelle by a hub. The propeller includes blades mounted in a blade cuff pivotable about a pitch axis relative to the hub, each blade being pivotable relative to the cuff about a folding axis. The propulsion unit can further include a folding device that comprises an actuator for folding the blades. The folding device can include a control member rotationally affixed to the blade cuff and driven by the actuator, and a connecting rod pivotably mounted, on the one hand, on a root of the associated blade and, on the other hand, on the movable control member.
    Type: Application
    Filed: June 14, 2021
    Publication date: July 27, 2023
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Jean-Louis Robert Guy BESSE, Camel SERGHINE
  • Publication number: 20230026754
    Abstract: Turbogenerator (1) for an aircraft (2) comprising:—a turboshaft engine (3); —an electric generator (4) comprising a rotor (5) driven mechanically by the turboshaft engine (3) and a stator (6) supported by a housing (7) of the electric generator (4); characterized in that the turbogenerator (1) comprises a static separator (8) for separating an air/oil mixture coming from the turboshaft engine (3), the static separator (8) being positioned around the housing (7) of the electric generator (4).
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Inventors: Camel SERGHINE, Denis Antoine Julien REAL
  • Publication number: 20220411081
    Abstract: A hybrid propulsion chain for an aircraft, the hybrid propulsion chain comprising a plurality of propulsion rotors connected to an electrical distribution module by a plurality of electrical connections, the electrical distribution module being connected, on the one hand, to a non-propulsion turbine engine via an electrical generation system and, on the other hand, to an electric battery, each propulsion rotor comprising a stator member and at least one rotor shaft which is configured to be rotated with respect to the stator member when the stator member is electrically powered, the hybrid propulsion chain comprising an auxiliary mechanical drive system mechanically connected to the non-propulsion turbine engine, the auxiliary mechanical drive system comprising a plurality of mechanical connections for mechanically rotating at least one rotor shaft of each propulsion rotor.
    Type: Application
    Filed: July 7, 2020
    Publication date: December 29, 2022
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Camel Serghine, Thomas Klonowski, Lois Pierre Denis Vive
  • Patent number: 11492975
    Abstract: The invention relates to a device for the rapid reactivation of a helicopter turbine engine (6), characterised in that it comprises a pneumatic turbine (7) mechanically connected to said turbine engine (6) so as to be able to rotate it and ensure reactivation thereof; a pneumatic storage (9) connected to said pneumatic turbine (7) by means of a pneumatic circuit (10) for supplying pressurised gas to said pneumatic turbine (7); a controlled fast-opening pneumatic valve (11) arranged on the pneumatic circuit (10) between said storage (9) and said pneumatic turbine (7) and suitable for being on demand placed at least in an open position in which the gas can supply said pneumatic turbine (7), or in a closed position in which said pneumatic turbine (7) is no longer supplied with pressurised gas.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: November 8, 2022
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Romain Thiriet, Camel Serghine, Frederic Moulon
  • Publication number: 20220190686
    Abstract: An assembly including a winding and a cooler in contact with conductors of the winding, the cooler including a container forming a heat dissipator and including a phase change material having the ability to absorb a surplus quantity of heat when the conductors of the winding are subject to an increase in their current density and the heat dissipator is composed of at least two hollow parts separate and nestable with one another and intended to house the phase change material.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 16, 2022
    Applicants: SAFRAN, SAFRAN HELICOPTER ENGINES
    Inventors: Sabrina AYAT, Camel SERGHINE, Thomas KLONOWSKI
  • Publication number: 20220177147
    Abstract: A hybrid propulsion system for a multi-rotor rotary-wing aircraft, including: an internal combustion engine, an electric machine coupled to the internal combustion engine, a rectifier connected to the electric machine, a converter, an electric network connecting the rectifier to the converter, electric motors connected to the converter, rotary-blade assemblies coupled to the electric motors, wherein the system includes: a detector configured to detect a reduction in a demand for electrical power within the system to below a predetermined value, a bypass circuit configured to bypass the electric machine when the detector detects a reduction in the demand for electrical power.
    Type: Application
    Filed: April 10, 2020
    Publication date: June 9, 2022
    Inventors: Thomas KLONOWSKI, Lois Pierre Denis VIVE, Camel SERGHINE
  • Publication number: 20220153423
    Abstract: A hybrid/electric propulsion architecture for a multi-rotor rotary wing aircraft, including an electricity generator driven by an internal combustion engine, and configured to operate in motor mode, a rectifier configured to convert an alternating current delivered by the electricity generator into direct current, an electrical network including a high voltage direct current (HVDC) bus, electrical energy storage means connected to the electrical network, during electrical energy regeneration on the HVDC bus, depending on the state of charge of the storage means: the storage means are configured to recover electrical energy, the storage means and the rectifier are configured to recover electrical energy, and the electricity generator operating in motor mode is configured to recover electrical energy.
    Type: Application
    Filed: February 24, 2020
    Publication date: May 19, 2022
    Inventors: Thomas KLONOWSKI, Thomas Michel Andre Gerard BARRACO, Camel SERGHINE
  • Patent number: 11316394
    Abstract: The invention relates to an electrical machine comprising a stator (1) and a rotor (2) designed to be rotated in relation to each other, said rotor (2) or said stator comprising a plurality of permanent magnets (5), at least one permanent magnet comprising at least one fluid-propagation channel (10) extending longitudinally inside the permanent magnet, the propagation channel comprising a fluid inlet and a fluid outlet, the fluid inlet being bell-mouthed and oriented in a preferential direction of rotation of the permanent magnet.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: April 26, 2022
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Thomas Klonowski, Camel Serghine, Jean-Luc Charles Gilbert Frealle, Sebastien Combebias, Jean-Julien Camille Vonfelt
  • Publication number: 20220085706
    Abstract: The present invention relates to an electric machine for an aircraft, comprising a stator and a rotor that is rotationally mobile with respect to the stator, the rotor or the stator comprising a plurality of permanent magnets, the machine comprising a device for demagnetising a permanent magnet, suitable for achieving a temporary increase in the temperature of the permanent magnet, in order to limit, during the temporary increase in temperature, an exciting magnetic flux generated by the permanent magnet. The present invention furthermore relates to an assembly comprising an assembly comprising such an electric machine and a hot-fluid source suitable for delivering hot fluid to the demagnetising device of the electric machine. The hot-fluid source may be a gas stream of a turbine engine.
    Type: Application
    Filed: December 19, 2019
    Publication date: March 17, 2022
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Camel SERGHINE, Thomas KLONOWSKI, Loïs Pierre Denis VIVE
  • Patent number: 11264854
    Abstract: An electric machine includes a stator and a rotor configured to be driven in rotation in relation to one another. The rotor includes a plurality of permanent magnets, and the stator further includes a magnetic circuit including poles extending toward the rotor. The machine includes windings of conducting elements around each pole and at least one heat sink arranged inside a conducting element and/or between the conducting elements. The heat sink includes a phase change material.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: March 1, 2022
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Thomas Klonowski, Camel Serghine
  • Publication number: 20210376677
    Abstract: The invention relates to an electrical machine comprising a stator (1) and a rotor (2) designed to be rotated in relation to each other, said rotor (2) or said stator comprising a plurality of permanent magnets (5), at least one permanent magnet comprising at least one fluid-propagation channel (10) extending longitudinally inside the permanent magnet, the propagation channel comprising a fluid inlet and a fluid outlet, the fluid inlet being bell-mouthed and oriented in a preferential direction of rotation of the permanent magnet.
    Type: Application
    Filed: November 14, 2018
    Publication date: December 2, 2021
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Thomas KLONOWSKI, Camel SERGHINE, Jean-Luc Charles Gilbert FREALLE, Sebastien COMBEBIAS, Jean-Julien Camille VONFELT
  • Patent number: 11085376
    Abstract: The invention concerns an assembly comprising: a fuel supply circuit (15, 15a, 15b) configured to supply fuel to a turbine heat engine, an electronic module (14, 14a, 14b), a power source (13, 13a, 13b) for supplying power to the electronic module (14, 14a, 14b), and a heat exchanger (16, 16a, 16b) positioned to allow a flow of heat from the electronic module (14, 14a, 14b) to the fuel supply circuit (15, 15a, 15b), the assembly being characterised in that the electronic module (14, 14a, 14b) comprises a phase-change material (PCM), configured to change state when the temperature of same reaches a predetermined phase-change temperature (Tf).
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: August 10, 2021
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Thomas Klonowski, Camel Serghine