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Electricite De France patents

Recent patent applications related to Electricite De France. Electricite De France is listed as an Agent/Assignee. Note: Electricite De France may have other listings under different names/spellings. We're not affiliated with Electricite De France, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Electricite De France-related inventors

System for producing dihydrogen, and associated method

The invention concerns a system (1) for producing dihydrogen comprising:—a high-temperature electrolyser (2) suitable for implementing steam electrolysis at a temperature greater than 500° c. And producing a mixture of steam and dihydrogen;—a dihydrogen compressor (3);—a main water and dihydrogen circuit (10) on which at least an evaporator (11), the high-temperature electrolyser (2), a condenser (e3) and the compressor (3) are arranged in succession, a first heat exchanger (e1) bringing the steam from the evaporator (11) and the mixture of steam and dihydrogen from the high-temperature electrolyser (2) into heat exchange so as to superheat the steam from the evaporator (11); the system being characterised in that—the compressor (3) is a chemical compressor supplied with heat by heat exchange with the condenser (e3);—the condenser (e3) is disposed directly at the outlet of the first exchanger (e1).. ... Electricite De France

Pondage device

The invention relates to a pondage device (1) including a dam (2) and an improvement (3), arranged downstream from said dam, referred to as a “downstream improvement”. Said device is characterised in that it includes at least one flexible cylinder (4) positioned between said dam (2) and said improvement (3), and in that said flexible cylinder (4) includes a chamber (41) inside of which water is stored, said chamber being at least partially defined by a deformable membrane (40), said chamber (41) being kept under pressure by pressurisation means (5).. ... Electricite De France

Control system for flow of turbined water from a plurality of hydroelectric plants

The invention concerns a system for controlling the flow of turbined water from a plurality of hydroelectric plants (1, 2, 3, 4, 5) arranged in series along a watercourse with open channel flow, defining upstream of each plant a plurality of head races subject respectively to hydraulic flow and level constraints, said plurality of hydroelectric plants, in which the flow of water turbined by each of said plants is controlled by means of a flow setpoint (qcui), said system comprising regulation of a global electrical production power setpoint (pc) for said plurality of hydroelectric plants by means of a flow regulation setpoint (qrgp) taken into account by the flow setpoint (qci) of each of said plants, and in that said flow regulation setpoint (qrgp) determined by said regulation is weighted for each of said plants by means of weighting coefficients (αi) as a function of the respective hydraulic characteristics of the head races defined upstream of said plants.. . ... Electricite De France

Method for producing a waterproof and ion-conducting flexible membrane

. . A method for producing a waterproof and ion-conducting flexible membrane intended for protecting a metal electrode. It comprises a synthesis by electrically assisted extrusion of compact fibers forming an ion-conducting fiber array comprising a first material. ... Electricite De France

Device for local temperature measurement, associated cell and method for use

A device for local temperature measurement that is suitable for taking temperature measurements of an immediate vicinity of said device. The device comprises: a cell comprising a heat-conductive base and at least one first material having a predetermined fixed state-change temperature and arranged in said base; a heat-energy transfer device thermally connected to said base and said at least one first material; a local temperature measurement probe received in said base and in thermal contact with said at least one first material, the heat-energy transfer device being suitable for causing a change of state of said first material in order to carry out at least one metrological verification of the local temperature measurement probe. ... Electricite De France

Method for detecting and characterizing defects in a heterogenous material via ultrasound

The invention relates to a method for detecting and characterizing defects in a heterogenous material via ultrasound. Said method includes the following steps: —emitting ultrasound waves from an emitting ultrasound transducer placed against the material; —acquiring, by means of a receiving ultrasound transducer in various positions relative to said material, a plurality of time signals, representing the amplitude of the sound propagated in the material as a function of time, for a position of the receiving ultrasound transducers, —determining a time function representing a spatially averaged power of the time signals that correspond to different positions of the receiving transducer; and —normalizing the time signals by means of said time function so a to obtain normalized time signals. ... Electricite De France

Improved management of an electrical power generation facility

A method for managing an electrical power generation facility including an electrical power generation device, a storage device, and a control module is described. The method includes: assessing a power generation capacity of the generating device for a given period; determining a weighted generation capacity on the basis of said assessed generation capacity and at least one assessed power generation capacity of said generation device over a period preceding said given period; and determining, for a period after the given period, a discharge limit for the storage device on the basis of said weighted generation capacity. ... Electricite De France

Charge control of a metal-air battery

A method for managing the charge of a metal-air battery comprising at least one cell. The cell comprises a negative electrode, a first positive air electrode and a second positive oxygen-release electrode. ... Electricite De France

Electrical measuring device for measuring the resistance of an earth connection of an electrical facility

An electrical measuring device for measuring the resistance of an earth connection of an electrical facility. The device comprises at least: a first link to an earth connection of the masses of an electrical facility; a second link to a neutral conductor; an alternating current generator; and a control unit suitable for: instructing the generator to inject alternating current into the earth connection of the masses; measuring, between said first and second links, a voltage generated by said injected current; determining a resistance of the earth connection of the masses according to the injected current and the measured voltage; and emitting a first warning signal when said compared resistance exceeds said pre-determined threshold.. ... Electricite De France

Satellite method and system for detecting a floating layer on a sea surface to be monitored

A method and system for detecting a floating layer on a surveillance area of the sea surface, a site of interest being placed in or around the surveillance area. The method comprises the following steps: a) satellite measurement of a radar feedback return, the radar signal being emitted by a satellite toward the sea surface of the surveillance area; b) recognition of at least one swell profile of the sea surface in accordance with the satellite measurements; c) identification of the fluid properties corresponding to the recognized swell profiles; and d) emission of a warning when the fluid properties identified for one of the recognized profiles correspond to a sea surface that includes undesirable elements for the site of interest.. ... Electricite De France

Method for detecting weld defects

. . A method of detecting a defect in a weld joining a first surface of a polyethylene-based material and a second surface of a polyethylene-based material, said method comprising the steps of: positioning a first electrode and a second electrode in proximity to the weld, so that at least one electric field line passes through said weld when a potential difference is applied between said first and second electrodes, measuring an electrical capacitance at a measurement frequency between said first electrode and said second electrode, the measurement frequency being higher than 65 mhz and lower than 1 ghz in order to compare the measured electrical capacitance to a reference value.. . ... Electricite De France

Anode compartment with a collector made of amorphous-alloy

An anode compartment for rechargeable lithium or sodium batteries, including: a solid electrolyte; a collector deposited on the solid electrolyte; and an active material made of lithium metal or sodium metal which has been grown between the solid electrolyte and the collector in order to form an electrode made of lithium metal or sodium metal with the collector, in which the collector is made of an amorphous alloy. A method for manufacturing such an anode compartment and a battery including said anode compartment is also presented.. ... Electricite De France

Method for quantitative estimation of fouling of the spacers plates in a steam generator

The invention relates to a method for evaluating fouling of the passages of a spacer plate (10) of a shell-and-tube heat exchanger (11), wherein said passages (12a, 12b) are provided along the tubes (11) to allow fluid to flow through the spacer plate (10), wherein, for each of a plurality of at least one passage (12a, 12b): at least one measurement of a parameter dependent on fouling or the presence of magnetite is made in the vicinity of the passage, using an eddy current probe; this measurement is used to derive at least one indicator of the fouling of said passage, characterized in that said fouling is evaluated by comparing a set of one or more fouling indicator vectors of dimension of at least two, built from the fouling indicators thus obtained with a plurality of fouling indicator vector sets contained in a database, wherein each of said indicator vector sets is associated with a quantitative descriptor of fouling.. . ... Electricite De France

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Electricite De France in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Electricite De France with additional patents listed. Browse our Agent directory for other possible listings. Page by