Patents by Inventor Daniel Chatroux
Daniel Chatroux 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: 11738651Abstract: A flying device includes a mechanical coupling that is designed to cooperate with a cable of an electrical distribution line in such a way that the flying device remains secured to the cable in a rest position.Type: GrantFiled: February 25, 2019Date of Patent: August 29, 2023Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Bruno Beranger, Daniel Chatroux, Mathias Gerard
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Publication number: 20220238969Abstract: An electrical-accumulator-isolating device configured to isolate an electrical accumulator of an electrical circuit while ensuring the continuity of the electrical circuit includes first-third terminals and a bypass chamber in which is placed a bypass device that has two bypass conductors separated by a gap. One of the bypass conductors is connected to the second terminal and the other bypass conductor is connected to the third terminal. A fuse having a conductor made of meltable material is connected between the first terminal and the third terminal. The conductor is made of meltable material placed in the bypass chamber and is configured to transfer in the liquid state to the bypass device.Type: ApplicationFiled: December 22, 2021Publication date: July 28, 2022Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Julien CHAUVIN, Daniel CHATROUX, Julien DAUCHY, Frédéric GAILLARD
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Publication number: 20200391600Abstract: A flying device includes a mechanical coupling that is designed to cooperate with a cable of an electrical distribution line in such a way that the flying device remains secured to the cable in a rest position.Type: ApplicationFiled: February 25, 2019Publication date: December 17, 2020Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Bruno BERANGER, Daniel CHATROUX, Mathias GERARD
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Patent number: 10673221Abstract: The invention concerns an electrical connection system, comprising a helical electrical cable (6) having a spring effect and a device (7) for storing the cable, comprising at least one first pulley (74, 73) for guiding the cable.Type: GrantFiled: March 16, 2016Date of Patent: June 2, 2020Assignee: RENAULT S.A.S.Inventors: Frédéric Gaillard, Daniel Chatroux, Olivier Guillermin, Daniel Mermin, Jérémy Dupont
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Patent number: 10591266Abstract: A distress flare including a cartridge including two ends connected by a side surface; activation device intended to expel the cartridge into the sky; an inflatable shell, covering the side surface, suitable for being deployed under the effect of deploying device and of diffusing the visible light; illuminating device powered by a battery and capable of emitting visible light, the illuminating device being arranged on the side surface.Type: GrantFiled: December 17, 2018Date of Patent: March 17, 2020Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Boris Berseneff, Daniel Chatroux
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Patent number: 10546705Abstract: A switch including: first and second electrically conductive electrodes; an electrically conductive element; an electrically insulating medium separating the first and second electrodes and separating the electrically conductive element from the second electrode; and a pyrotechnic element including an explosive, explosion of the explosive causing the electrically conductive element to be driven into contact with the second electrode and the conductive element to be welded to the second electrode to form an electrically conductive link between the first and second electrodes.Type: GrantFiled: September 10, 2014Date of Patent: January 28, 2020Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Daniel Chatroux, Sebastien Carcouet, Jeremy Dupont, Pierre Perichon
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Patent number: 10530022Abstract: An electric battery including: a plurality of electrical energy storage cells, each including a positive terminal and a negative terminal, the cells being arranged in a package containing a dielectric liquid; within the package, a controllable stirring device for circulating the dielectric liquid in contact with the positive and negative terminals of the cells; and a management device capable of detecting a possible failure of a cell and of accordingly controlling the stirring device to modify the dielectric liquid circulation conditions in the package.Type: GrantFiled: October 31, 2016Date of Patent: January 7, 2020Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Daniel Chatroux, Julien Dauchy, Lionel De Paoli
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Patent number: 10367187Abstract: A storage battery, including: first and second stages connected electrically in series, each stage including at least first, second, and third batteries connected electrically in parallel; at least first and second breakers by which the batteries of the first stage are connected in parallel and by which the batteries of the second stage are connected in parallel, each one of the breakers including: first and second electrodes; a fuse including a conducting link connected in series between the first and second electrodes and a fusible portion; an explosive, with a heat bridge between the fuse and the explosive causing the conducting link to open, the explosive having an explosion initiation temperature that is lower than the melting point of the fusible portion.Type: GrantFiled: November 6, 2014Date of Patent: July 30, 2019Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVESInventors: Daniel Chatroux, Sebastien Carcouet, Jeremy Dupont
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Publication number: 20190186882Abstract: A distress flare including a cartridge including two ends connected by a side surface; activation device intended to expel the cartridge into the sky; an inflatable shell, covering the side surface, suitable for being deployed under the effect of deploying device and of diffusing the visible light; illuminating device powered by a battery and capable of emitting visible light, the illuminating device being arranged on the side surface.Type: ApplicationFiled: December 17, 2018Publication date: June 20, 2019Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Boris BERSENEFF, Daniel CHATROUX
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Method and system for estimating the insulation resistance between a battery and an electrical earth
Patent number: 10302691Abstract: A method for estimating insulation resistance between a terminal of a battery and an electrical ground, including: connecting a measuring circuit to one terminal of the battery, the measuring circuit including a resistance of known value and a capacitance; application of a known input signal having an input voltage; measurement of an output voltage between the ground and a point located between the resistance of known value and the capacitance; determination of a complex impedance of a dipole of the capacitance and the insulation resistance or determination of parameters of a differential equation; and determination of the insulation resistance from the parameters of the differential equation or the complex impedance.Type: GrantFiled: February 15, 2013Date of Patent: May 28, 2019Assignee: RENAULT S.A.S.Inventors: Lionel Cordesses, Michel Mensler, Sid-Ali Randi, Daniel Chatroux, Sebastien Carcouet -
Patent number: 10214108Abstract: A DC voltage power source, comprising: first electrochemical cells electrically connected in series; a DC/DC converter, the output of the converter being connected in series with said first electrochemical cells, a secondary DC voltage source applying its potential difference to the input of the converter.Type: GrantFiled: November 14, 2012Date of Patent: February 26, 2019Assignee: Commissariat à l'énergie atomique et aux énergies alternativesInventors: Sebastien Carcouet, Daniel Chatroux, Matthieu Desbois-Renaudin
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Patent number: 10207589Abstract: The invention relates to a winding device (8) for an electric cable (4, 4a, 4b) including a cylindrical hub (62), perforated (622) at its surface and open (624) at at least one of its ends, the cable having at least one conductor (41, 42, 43, 44) and a sheath (45, 45a, 45b) with an outer surface having an irregular cross-section.Type: GrantFiled: June 19, 2015Date of Patent: February 19, 2019Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE AUX ENERGIES ALTERNATIVESInventors: Olivier Guillermin, Daniel Chatroux, Jérémy Dupont, Daniel Mermin
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Patent number: 10164454Abstract: The invention concerns an electrical system that comprises: —an electrical charge (42, 43); —a decoupling capacitor (41); —a DC voltage power supply system, comprising first and second terminals (321, 322), including: —a DC voltage source (2) comprising first and second poles; —a first branch including a first contactor (51); —a second branch including first and second switches (302, 303) and an inductor (305) connected in series in order to selectively connect the DC voltage source to the first terminal (321) of the power supply system; —a unidirectional conducting device (307, 308, 309) for conduction from the second terminal of the DC power supply system to a connection node (323) between the second switch (303) and said inductor (305); —a control circuit (304) comprising —a mode for supplying electrical load (42, 43); —a mode for charging the decoupling capacitor (41).Type: GrantFiled: February 3, 2015Date of Patent: December 25, 2018Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVESInventors: Daniel Chatroux, Bruno Beranger, Sebastien Carcouet
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Patent number: 10106036Abstract: An electrical apparatus, including: a circuit breaker having a breaking capacity and a breaking current; a DC voltage source including two batteries connected in parallel, connected in series with the circuit breaker, the sum of short-circuit currents of the batteries being greater than the breaking capacity, each battery including: a first branch including storage batteries and a switch connected in series; a second branch connected in parallel with the first branch and including a free-wheeling diode; an ammeter measuring output current; and a control circuit configured to detect a short-circuit. The control circuits simultaneously keep a majority of switches open and close one switch to apply a current passing through the circuit breaker which is higher than the breaking current and lower than the breaking capacity.Type: GrantFiled: October 22, 2014Date of Patent: October 23, 2018Assignees: COMMISSARIAT à L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, DCNSInventors: Daniel Chatroux, Sebastien Carcouet, Jacques Ecrabey, Etienne Durand, Nicolas Pierre, Cyrille Garans, Bernard Keruel
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Patent number: 10059216Abstract: An accumulator battery, comprising at least: first and second stages electrically connected in series, each stage including at least first to third accumulators electrically connected in parallel. There are at least first and second current limiters via which the first to third accumulators of said first stage are connected in parallel and via which the first to third accumulators of said second stage are connected in parallel.Type: GrantFiled: November 14, 2012Date of Patent: August 28, 2018Assignee: Commissariat à l'énergie atomique et aux énergies alternativesInventors: Sebastien Carcouet, Bruno Beranger, Daniel Chatroux
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Patent number: 10050245Abstract: A module for an electrochemical battery including plural accumulators electrically connected together by connection elements, a mechanism for electrical connection of the module with an exterior and a continuous envelope made from a dielectric polymer material that covers exterior surfaces of the accumulators, and connection elements that do not cover the mechanism for electrical connection of the module with the exterior. The continuous envelope is made by soaking to ensure coating of the accumulators and of the one or more connecting elements. The plural accumulators are distributed into plural layers, arranged in relation to each other so that one or more passages are made between the accumulators, wherein the continuous envelope covers a surface of the accumulator or accumulators delimitating the passages between the accumulators.Type: GrantFiled: December 24, 2014Date of Patent: August 14, 2018Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Daniel Chatroux, Sebastien Carcouet, Jean-Noel Carminati, Frederic Gaillard
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Patent number: 10003202Abstract: A device for balancing load of a storage device including plural elements connected in series. The device includes: a DC/AC converter including an inverter and a series resonant circuit connected to the output of the inverter; plural AC/DC converters, each including an input and an output that is connected to one of the respective storage elements and selectively supplies power to the output thereof; a transformer, the main winding of which is connected to the series resonant circuit and the secondary winding of which has outputs connected to an input of a respective AC/DC converter; and a control circuit configured to control the DC/AC converter at the current source when a number of outputs supplied with power is no higher than a threshold and moreover configured to control the DC/AC converter at a constant power when the number of outputs supplied with power is greater than the threshold.Type: GrantFiled: November 28, 2014Date of Patent: June 19, 2018Assignees: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, RENAULT s.a.s.Inventors: Laurent Garnier, Daniel Chatroux, Marc Lucea, Pierre-Emmanuel Ory
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Patent number: 9997931Abstract: A device for balancing charge of an electric power storage device including: a plurality of electrical storage elements connected in series including at least two current limiting DC/DC converters each including: an input configured to be connected to terminals of a respective storage element; an output configured to be connected to an electrical network having a voltage controlled at a lower level than the voltage at the terminals of the storage device; a transformation law of following type: Vout=K1*Ve?f(I) for I<=1 lim, in which Vout is potential difference at the output, K1 is a constant, Ve is potential difference at the input, f(I) is an affine function of current I delivered at the output, and 1 lim is current limitation of the converter.Type: GrantFiled: July 24, 2014Date of Patent: June 12, 2018Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Sylvain Mercier, Daniel Chatroux, Matthieu Desbois-Renaudin, Laurent Garnier
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Patent number: 9948086Abstract: An electrical installation includes a circuit-breaker having a breaking capacity PdC and a tripping current Is, an ammeter measuring the current, and a DC voltage source comprising batteries connected in parallel and connected in series with the circuit-breaker. The sum of the short-circuit currents of the batteries connected in parallel is higher than the breaking capacity PdC of the circuit-breaker. A plurality of the batteries each includes a respective switch capable of opening a connection between the battery of the same and the circuit-breaker. The electrical installation also includes a control circuit to detect that the current passing through the circuit-breaker is higher than the tripping current Is and to control the opening of a plurality of the switches in order to apply, through the circuit-breaker, a current higher than the tripping current Is of the same and lower than the breaking capacity PdC of the same.Type: GrantFiled: April 24, 2014Date of Patent: April 17, 2018Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Daniel Chatroux, Sebastien Carcouet, Julien Dauchy
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Publication number: 20180083432Abstract: The invention concerns an electrical connection system, comprising a helical electrical cable (6) having a spring effect and a device (7) for storing the cable, comprising at least one first pulley (74, 73) for guiding the cable.Type: ApplicationFiled: March 16, 2016Publication date: March 22, 2018Inventors: Frédéric GAILLARD, Daniel CHATROUX, Olivier GUILLERMIN, Daniel MERMIN, Jérémy DUPONT