Patents by Inventor Joel Devautour
Joel Devautour 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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Publication number: 20230208317Abstract: A component which is configured to switch an electrical signal, the component includes an insulating substrate bearing a semiconductor chip which ensures switching of the signal; a sole plate on which the substrate is secured, the sole plate being configured to discharge heat emitted during switching of the component; a conductive plane positioned between the sole plate and the insulating substrate, the conductive plane being insulated electrically against the sole plate; a specific component with impedance of at least 1 Ohm and/or at least 1 µH, by means of which the conductive plane is connected to a reference voltage.Type: ApplicationFiled: December 28, 2022Publication date: June 29, 2023Inventors: Eric Ravindranath DUBOIS, Hocine KHERBOUCHI, Jean Paul BERGER, Joel DEVAUTOUR
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Patent number: 11581744Abstract: An electrical architecture of an aircraft includes a plurality of primary generators each associated with a propulsion engine of the aircraft, a plurality of primary electrical networks each associated with a primary generator in nominal operating mode, a single-part secondary electrical network, an electrical energy accumulation device connected directly to the secondary network, a first electrical energy converter arranged between the secondary electrical network and a first of the primary electrical networks, allowing energy to be transferred from the first of the primary electrical networks to the secondary electrical network, the first electrical energy converter being intended to supply electrical energy to the electrical energy accumulation device in nominal operating mode, a second electrical energy converter arranged between the secondary electrical network and a second of the primary electrical networks, allowing energy to be transferred from the secondary electrical network to the second of the priType: GrantFiled: June 13, 2021Date of Patent: February 14, 2023Assignee: THALESInventor: Joël Devautour
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Publication number: 20220399590Abstract: A method for managing operation of an aircraft system comprising at least one electrical energy storage set to be supplied with DC current connected to a DC current power supply bus, at least one electrical machine providing AC current by mechanical draw on a drive system connected to a current generation control unit, a bidirectional converter configured to convert a DC voltage into AC voltage, and a control module of the converter, the management method generating a command for the converter from the angular position (?) of the electrical machine, from the intensity of the electrical current delivered by the electrical machine, and from the output electrical voltage of the converter.Type: ApplicationFiled: May 6, 2022Publication date: December 15, 2022Inventors: Alexandre LAGARDE, Joël DEVAUTOUR
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Publication number: 20210391727Abstract: An electrical architecture of an aircraft includes a plurality of primary generators each associated with a propulsion engine of the aircraft, a plurality of primary electrical networks each associated with a primary generator in nominal operating mode, a single-part secondary electrical network, an electrical energy accumulation device connected directly to the secondary network, a first electrical energy converter arranged between the secondary electrical network and a first of the primary electrical networks, allowing energy to be transferred from the first of the primary electrical networks to the secondary electrical network, the first electrical energy converter being intended to supply electrical energy to the electrical energy accumulation device in nominal operating mode, a second electrical energy converter arranged between the secondary electrical network and a second of the primary electrical networks, allowing energy to be transferred from the secondary electrical network to the second of the priType: ApplicationFiled: June 13, 2021Publication date: December 16, 2021Inventor: Joël DEVAUTOUR
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Patent number: 10826409Abstract: An electrical architecture for controlling inverters and to an aircraft includes the architecture. The electrical architecture comprises: a plurality of converters capable of operating independently of one another, each converter being intended to power a charge, associated with each converter/charge pair: a charging loop, comprising at least one sensor measuring a parameter that is characteristic of the operation of the charge, an operation control module, receiving an operation setpoint of the charge and information originating from the operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the operation sensor follows the operation setpoint. The operation control module is common to the converters.Type: GrantFiled: March 8, 2019Date of Patent: November 3, 2020Assignee: THALESInventors: Frédéric Lacaux, Stéphane Guguen, Joël Devautour
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Patent number: 10712209Abstract: The monitoring of an electrical equipment item includes two electrically insulated circuits, a screen in the form of a film arranged between the two circuits, the screen comprising a substrate and a conductive filament arranged on the substrate, a module configured to circulate a current in the conductive filament and to monitor the current.Type: GrantFiled: December 11, 2018Date of Patent: July 14, 2020Assignee: THALESInventors: Francis Abdesselam, Joël Devautour
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Publication number: 20190280617Abstract: An electrical architecture for controlling inverters and to an aircraft includes the architecture. The electrical architecture comprises: a plurality of converters capable of operating independently of one another, each converter being intended to power a charge, associated with each converter/charge pair: a charging loop, comprising at least one sensor measuring a parameter that is characteristic of the operation of the charge, an operation control module, receiving an operation setpoint of the charge and information originating from the operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the operation sensor follows the operation setpoint. The operation control module is common to the converters.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Inventors: Frédéric LACAUX, Stéphane GUGUEN, Joël DEVAUTOUR
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Publication number: 20190187006Abstract: The monitoring of an electrical equipment item includes two electrically insulated circuits, a screen in the form of a film arranged between the two circuits, the screen comprising a substrate and a conductive filament arranged on the substrate, a module configured to circulate a current in the conductive filament and to monitor the current.Type: ApplicationFiled: December 11, 2018Publication date: June 20, 2019Inventors: Francis ABDESSELAM, Joël DEVAUTOUR
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Patent number: 10003276Abstract: The invention mainly provides a power converter (3) including a positive converter bridge (P+) and a negative converter bridge (P?), the converter bridges being of the diode bridge type and being connected in parallel, each converter bridge including a first series of arms of components connected to the phases of the first secondary of the transformer (2) and a second series of arms of components connected to the phases of the second secondary of the transformer (2), said power converter being characterized in that at least one series of arms of components includes arms (B1, B2, B3) disposed relative to one another in such a manner as not to be aligned in the same plane.Type: GrantFiled: February 27, 2014Date of Patent: June 19, 2018Assignee: GENERAL ELECTRIC TECHNOLOGY GMBHInventors: Philippe Josse, Joël Devautour
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Patent number: 9916918Abstract: The invention mainly provides a busbar (BS1) designed to provide an electrical connection between a high-power converter (R) and a disconnector (S), said busbar being characterized in that the busbar (BS1) has a shape defining, at least in part, at least one hollow portion (10).Type: GrantFiled: February 25, 2014Date of Patent: March 13, 2018Assignee: General Electric Technology GmbHInventors: Raphaël Bellancourt, Philippe Josse, Joël Devautour
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Publication number: 20160013729Abstract: The invention mainly provides a power converter (3) including a positive converter bridge (P+) and a negative converter bridge (P?), the converter bridges being of the diode bridge type and being connected in parallel, each converter bridge including a first series of arms of components connected to the phases of the first secondary of the transformer (2) and a second series of arms of components connected to the phases of the second secondary of the transformer (2), said power converter being characterized in that at least one series of arms of components includes arms (B1, B2, B3) disposed relative to one another in such a manner as not to be aligned in the same plane.Type: ApplicationFiled: February 27, 2014Publication date: January 14, 2016Inventors: Philippe Josse, Joël Devautour
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Publication number: 20160012938Abstract: The invention mainly provides a busbar (BS1) designed to provide an electrical connection between a high-power converter (R) and a disconnector (S), said busbar being characterized in that the busbar (BS1) has a shape defining, at least in part, at least one hollow portion (10).Type: ApplicationFiled: February 25, 2014Publication date: January 14, 2016Inventors: Raphaël Bellancourt, Philippe Josse, Joël Devautour
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Patent number: 8958223Abstract: A Graëtz-bridge converter-rectifier in which at least one rectifier arm situated between a single AC terminal and a single DC terminal includes multiple unidirectional electronic components connected in parallel and connected on one side to the DC terminal by means of a conductive component set and on the other side to the AC terminal. The invention is characterized in that the component set for at least one rectifier arm includes a plurality of separate component busbars each having at least one end connected to the DC terminal, the unidirectional components being divided between the component busbars into as many component sets connected in parallel as there are component busbars.Type: GrantFiled: November 7, 2011Date of Patent: February 17, 2015Assignee: Alstom Technology LtdInventors: Prithu Mariadassou, Joel Devautour
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Publication number: 20130301320Abstract: A Graëtz-bridge converter-rectifier in which at least one rectifier arm situated between a single AC terminal and a single DC terminal includes multiple unidirectional electronic components connected in parallel and connected on one side to the DC terminal by means of a conductive component set and on the other side to the AC terminal. The invention is characterized in that the component set for at least one rectifier arm includes a plurality of separate component busbars each having at least one end connected to the DC terminal, the unidirectional components being divided between the component busbars into as many component sets connected in parallel as there are component busbars.Type: ApplicationFiled: November 7, 2011Publication date: November 14, 2013Applicant: Alstom Technology Ltd.Inventors: Prithu Mariadassou, Joel Devautour
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Patent number: 6011678Abstract: The device includes two breaking areas formed at each side of a contact bridge carrying main contacts that can be separated from fixed contacts located in the breaking areas and fixed to main conductors. The main conductors each have shaped extensions in the break areas that are configured to cooperate with shaped extensions associated with arc collection parts positioned nearby. The shaping of the extensions and the spacing therebetween encourage a particular direction of arc migration relative to arcs created when the moveable contacts carried by the contact bridge are separated from the fixed contacts. Further, arc migration control is provided in the form of magnetic fields provided in each breaking area. Each arc collection part is connected through a shunt conductor and a single direction of current flow establishing component to make a direct electrical connection to the main conductor associated with the other area.Type: GrantFiled: April 9, 1998Date of Patent: January 4, 2000Assignee: Schneider Electric SAInventors: Joel Devautour, Jean-Pierre Guery, Jacques Olifant, Raymond Plumeret
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Patent number: 5495083Abstract: An electrical switch device with separable contacts is provided with a shunt conductor adapted to receive one end of the arc that is struck when the contacts separate after it has jumped a dielectric gap. The shunt conductor determines an interim arc current path in which is a current limiter device.Type: GrantFiled: December 23, 1994Date of Patent: February 27, 1996Assignee: Schneider Electric SAInventors: Juan Aymami-Pala, Joel Devautour, Jean-Pierre Guery, Michel Rapeaux
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Patent number: 5493091Abstract: An electromechanical switch of the contactor or circuit-breaker type with adjacent contacts, which are provided on respective mobile and fixed contact parts. This arrangement defines a narrow ionization slot which is maintained at the start of contact opening in order to cause a secondary arc to fire substantially perpendicular to the contact opening direction constituting a shunting arc to eliminate the time duration of the contacts and switch legs.Type: GrantFiled: June 1, 1994Date of Patent: February 20, 1996Assignee: Schneider Electric SAInventors: Joel Devautour, Jean-Pierre Guery, Herve Lefebvre