Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Renault S.a.s.

Commissariat a L'energie Atomique

Peugeot Citroen Automobiles Sa

Dcns

Psa Automobiles Sa

Peugeot Citroën Automobiles

Daniel Chatroux

Sebastien Carcouet

Julien Dauchy

Matthieu Desbois-Renaudin

Laurent Garnier

Bruno Beranger

Sylvain Mercier

Eric Fernandez

Francis Roy

Jeremy Dupont

Jean-Claude Dolhagaray

Pierre Perichon

Michel Mensler

Lionel Cordesses

Jérémy Dupont

Frederic Gaillard

Frédéric Gaillard

Mathias Gerard

Sébastien Carcouet

Marc Lucea

Nicolas Lapassat

Daniel Mermin

Olivier Guillermin

Michael Palmieri

Nicolas Pierre

Sid-Ali Randi

Lionel De Paoli

Jean-Noël Carminati

Jean-Noel Carminati

Didier Buzon

Boris Berseneff

Julien Scordia

Philippe Nouvel

Yvan Lausenaz

Severine Marc

Jimmy Roure

Jacques Ecrabey

Etienne Durand

Cyrille Garans

Vincent Phlippoteau

Bernard Keruel

Pierre-Emmanuel Ory

Roger Milly

Olivier Rieux

Fabien Grangette

Loïc Lonardoni

Andy Roux

Pascal Martin

Valéry Cervantes

Alexis Gioda

Guy Thivin

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.

Flying device

The invention concerns an electrical connection system, comprising a helical electrical cable () having a spring effect and a device () for storing the cable, comprising at least one first pulley () for guiding the cable.

Storage for electric cable

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.

Distress flare

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.

Switch for short-circuiting a direct-current power source

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.

Electric battery comprising a system for homogenizing its internal temperature

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.

Storage battery including a disconnector having a fuse and an explosive with a heat bridge providing continuity of service in the event of a malfunction

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.

Method and system for estimating the insulation resistance between a battery and an electrical earth

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.

DC voltage source including electrochemical cells having an adaptive voltage level

The invention relates to a winding device () for an electric cable () including a cylindrical hub (), perforated () at its surface and open () at at least one of its ends, the cable having at least one conductor () and a sheath () with an outer surface having an irregular cross-section.

Electric cable and winding device for such a cable

The invention concerns an electrical system that comprises: &#x2014;an electrical charge (); &#x2014;a decoupling capacitor (); &#x2014;a DC voltage power supply system, comprising first and second terminals (), including: &#x2014;a DC voltage source () comprising first and second poles; &#x2014;a first branch including a first contactor (); &#x2014;a second branch including first and second switches () and an inductor () connected in series in order to selectively connect the DC voltage source to the first terminal () of the power supply system; &#x2014;a unidirectional conducting device () for conduction from the second terminal of the DC power supply system to a connection node () between the second switch () and said inductor (); &#x2014;a control circuit () comprising &#x2014;a mode for supplying electrical load (); &#x2014;a mode for charging the decoupling capacitor ().

DC voltage supply system configured to precharge a smoothing capacitor before supplying a load

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.

Protecting a power supply including a plurality of batteries in parallel against an external short-circuit

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.

Accumulator battery protected against internal short circuits

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.

Electrochemical battery module having improved resistance in moist environments and method for producing at least one such module

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.

Device for balancing a power battery element load

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&#x2212;f(I) for I&#x3c;=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.

Device for balancing the charge of the elements of a power battery

Growing community of inventors

Teche, France

Daniel Chatroux