Patent application number | Description | Published |
20120199322 | COOLING METHOD AND DEVICE FOR COOLING A MEDIUM-VOLTAGE ELECTRICAL INSTALLATION IN A PROTECTIVE SHEATH - A device including a phase-change heat-transfer fluid cooling mechanism to cool a sheath in which is placed switchgear such as a circuit breaker. An evaporator is thus created which is connected to condensers that are placed on a roof of the sheath. The device can be for application to a medium-voltage high-current electrical installation. The device requires little maintenance and only consumes a reduced amount of energy, or even no energy. | 08-09-2012 |
20120204590 | COOLING DEVICE FOR COOLING MEDIUM-VOLTAGE SWITCHGEAR BY MEANS OF LIVE HEAT PIPES - A cooling device including an evaporator operating with a phase-change heat-transfer fluid surrounding electrical switchgear operating at high voltage and connected to one or more condensers placed on a roof of a sheath in which the electrical switchgear is placed. The condensers are supported in this location by insulating elements that include side partitions that are to the side relative to a box, placed above the sheath and/or a central portion of the roof of the sheath. The cooling device consumes very little energy and does not require an electrically insulated cooling system to be designed and can be used, for example, for application to medium-voltage generator circuit breakers. | 08-16-2012 |
20120205074 | COOLING DEVICE FOR COOLING MEDIUM-VOLTAGE APPARATUS USING INSULATED HEAT PIPES - The cooling device is suitable for fitting to existing installations, without redesigning them. It consists in using heat pipes ( | 08-16-2012 |
20120206863 | COOLING METHOD FOR COOLING MEDIUM-VOLTAGE ELECTRICAL SWITCHGEAR USING INTEGRATED HEAT PIPES, AND A SYSTEM USING SAID METHOD - The method of the invention makes it possible to cool electrical switchgear operating at medium voltage and high current, such as a circuit breaker. The method consists in inserting serially two heat pipes ( | 08-16-2012 |
20150014279 | Device For Protection Against Particles Generated By An Electric Switching Arc - A protection device for providing protection against the particles generated by an electric arc when a first electrically conductive part and a second electrically conductive part of an electrical connection unit are separated from each other, the protection device including at least one protection element disposed in the proximity of the place at which the first part and the second part separate in order to form a shield against the particles. | 01-15-2015 |
20150235781 | ELECTRICAL CONTACT DEVICE OF THE CONTACT FINGER TYPE WITH A STRONG NOMINAL CURRENT - An electrical contact device of the contact finger type for high nominal current between a first part that is conductive and a conductive surface of a second part comprising a flexible rod connected to a first connection element for mechanical and electrical connection to the first part, a contact portion applied on the conductive surface of the second part, and at least one metal contact blade placed at a first end between a first end of the flexible rod and the first part, wherein the flexible rod is conductive, and wherein the at least one metal blade is connected at its second end to the second end of the flexible rod by means of a second mechanical and electrical connection element. | 08-20-2015 |
20150318124 | IMPROVED CIRCUIT BREAKER APPARATUS - A switchgear comprising a set of arcing contacts, a set of disconnection contacts, and a set of permanent contacts, a first branch including the set of arcing contacts and the set of disconnection contacts connected in series, a second branch including the set of permanent contacts, the second branch being connected in parallel with the first branch, including a first controller and a second controller, the first controller making it possible to cause the set of arcing contacts and of the set of permanent contacts, the second controller making it possible to cause the set of disconnection contacts change over between its two positions, said disconnection contacts being able to change over towards its open position only when the set of arcing contacts and the set of permanent contacts are in their open positions, the two controllers being separate, the second being a button connected to an electric motor. | 11-05-2015 |
Patent application number | Description | Published |
20100269697 | GAS FILTRATION STRUCTURE WITH ASYMMETRICAL HEXAGONAL CHANNELS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting a side of said outlet channel; each outlet channel consists of six sides of approximately identical width a, so as to form a channel of approximately hexagonal and regular cross section; at least two adjacent sides of each inlet channel have a different width; at least two inlet channels sharing a wall with one and the same outlet channel share between them a common wall of width b; and in which the ratio of the widths b/a is greater than 0 but less than 1. | 10-28-2010 |
20100300291 | GAS FILTRATION STRUCTURE WITH ASYMMETRICAL HEXAGONAL CHANNELS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting a side of said outlet channel; each outlet channel consists of six sides of approximately identical width a, so as to form a channel of approximately hexagonal and regular cross section; at least two adjacent sides of each inlet channel have a different width; at least two inlet channels sharing a wall with one and the same outlet channel share between them a common wall of width b; and in which the ratio of the widths b/a is greater than 1 but less than 13. | 12-02-2010 |
20100307117 | GAS FILTRATION STRUCTURE WITH CONCAVE OR CONVEX HEXAGONAL CHANNELS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting a side of said outlet channel; each outlet channel consists of six sides of approximately identical width a, so as to form a channel of approximately hexagonal and regular cross section; at least two adjacent sides of each inlet channel have a different width; at least two inlet channels sharing a wall with one and the same outlet channel share between them a common wall of width b; and in which the ratio of the widths b/a is equal to 1. | 12-09-2010 |
20110020185 | GAS FILTRATION STRUCTURE - The subject of the invention is a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels ( | 01-27-2011 |
20110030357 | GAS FILTER STRUCTURE HAVING A VARIABLE WALL THICKNESS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, said channels being alternately blocked off at one or the other of the ends of the structure so as to define inlet channels and outlet channels for the gas to be filtered and so as to force said gas to pass through the porous walls separating the inlet and outlet channels, said structure being characterized in that the inlet and outlet channels share between them at least one wall of constant average thickness d over the entire length of the filter structure, in that the inlet or outlet channels share between them at least one wall of constant average thickness e over the entire length of the filter structure and in that the e/d ratio is strictly greater than 1. | 02-10-2011 |
20130129574 | CATALYTIC FILTER FOR FILTERING A GAS, COMPRISING A JOINT CEMENT INCORPORATING A GEOPOLYMER MATERIAL - The invention relates to a filter structure, for filtering particulate-laden gases, comprising a plurality of honeycomb filtering elements, said structure being obtained by assembling said elements, which are joined together by means of a joint cement, said joint cement being an essentially inorganic, preferably mineral, composite comprising at least:
| 05-23-2013 |
Patent application number | Description | Published |
20100024641 | Purification Of An H2/CO Mixture With Lead Control Of The Regeneration Heater - A method of purifying a gaseous mixture rich in hydrogen and in carbon monoxide, commonly termed an H | 02-04-2010 |
20100031819 | Purification Of An H2/CO Mixture With Heater Skin Temperature Control - The invention relates to a method for purifying or separating a supply gas flow containing at least one impurity, in which: a) said supply gas flow is contacted with a first adsorbent for the adsorption-removal of at least one said impurity; b) recovering said purified or separated gas; c) heating a regeneration gas containing at least hydrogen (H | 02-11-2010 |
20100071551 | Limiting Of Impurity Peaks - A process for gas purification or separation intended to produce a gas mixture containing mainly hydrogen and, to a minor extent CO, it being imperative for the CO content to remain below a set value is presented. This invention particularly relates to adsorption processes and even more particularly to processes of the PSA (“Pressure Swing Adsorption”) type. | 03-25-2010 |
20110207836 | PROCESS FOR DECREASING OR ELIMINATING UNWANTED HYDROCARBON AND OXYGENATE PRODUCTS CAUSED BY FISHER TROPSCH SYNTHESIS REACTIONS IN A SYNGAS TREATMENT UNIT - The present invention provides a process for decreasing or eliminating unwanted hydrocarbon and oxygenate products caused by FTS reactions in a syngas treatment unit by utilizing heat exchangers and optionally associated pipes that are substantially fabricated of a metal material selected from the group consisting of iron, nickel, cobalt, carbon steel or stainless steel and having deposited on the metal surfaces that will come in contact with the coldbox overhead gas stream an inert coating selected from the group consisting of silicon based materials, zinc based materials, tin based materials, chromium based materials, polymers, ceramics and mixtures thereof for heating up gas streams having a mixture of hydrogen and carbon monoxide and obtained from a front end purification unit/cold box unit. | 08-25-2011 |
20110219950 | SINGLE-BED RADIAL ADSORBERS IN SERIES - The invention relates to a method for purifying a feedstock gas flow including a main compound, water (H2O) and carbon dioxide (CO2) as well as so-called secondary impurities, that comprises: a) feeding the feedstock gas flow into at least one 2-grid radial adsorber comprising as a single adsorption bed an activated alumina or silica gel bed on which H2O is preferably adsorbed; b) feeding the gas resulting from step a) into at least one 2-grid radial adsorber comprising as a single adsorption a molecular sieve bed on which CO2 and secondary impurities are preferably adsorbed; and c) recovering a gas resulting from step b) enriched with the main compound and suitable for cryogenic distillation. | 09-15-2011 |
Patent application number | Description | Published |
20090134270 | MEANS FOR PREVENTING THE ROTATION OF A PIN SUPPORTING A TURBINE ENGINE SUSPENSION MEMBER - The present invention relates to a device for mounting a suspension member on the casing of a turbine engine comprising a yoke with at least one lug, secured to the casing, a pin fixed to said yoke supporting said member via a ring surrounding the pin, said device comprising a rotation-prevention means comprising a counter-rotation plate attached to the lug. The device is one wherein said plate and the pin comprise an assembly consisting of a peg and of a cutout or a hole, into which said peg fits in order to prevent the pin from rotating in the yoke. | 05-28-2009 |
20110305560 | COOLING DEVICE FOR COOLING THE SLOTS OF A TURBOMACHINE ROTOR DISK DOWNSTREAM FROM THE DRIVE CONE - The invention relates to a cooling device for cooling the slots of a turbomachine rotor disk, the turbomachine comprising an upstream rotor disk having a fastener flange with a periphery that is festooned, a downstream rotor disk, an endplate for holding blades and arranged around the ring of the downstream disk and co-operating therewith to form an air diffusion cavity, a cone for driving disks in rotation, the cone having a fastener flange with a periphery that is festooned, and a plurality of bolted connections passing from upstream to downstream through the solid portions of the fastener flanges of the upstream disk and of the cone, the fastener flange of the endplate, and the fastener flange of the downstream disk. The fastener flange of the endplate is pierced by ventilation orifices opening out into the air diffusion cavity in order to feed it with cooling air, said cavity opening out into the slots of the downstream disk at their upstream ends in order to cool them. | 12-15-2011 |
Patent application number | Description | Published |
20140148997 | Method For Checking The Use Of The Functions Of A Provided Vehicle - The invention relates to a method for checking the use of a vehicle provided to a predetermined user, characterised in that it includes the following steps: a digital means, located in a terminal or in a vehicle connected to said terminal, reads data containing an identifier of said user: said user identifier is sent to a central computer system managing a plurality of vehicles and a plurality of users, in order to compare said user identifier with at least one datum from a user database; and, in the event the vehicle has been provided correctly, said central system sends at least one message enabling a control signal to be sent to a means for controlling at least one function of said assigned vehicle, or an infrastructure to which the latter is connected. | 05-29-2014 |
20150032312 | Method And System For Connecting/Disconnecting An Electric Vehicle To/From A Charging Terminal - The invention relates to a method for connecting/disconnecting an electric vehicle to/from a charging terminal, which includes at least one sensor arranged to detect the state of at least one element of said charging terminal, said method including at least one iteration of the following steps: measuring at least one value of at least one parameter by said sensor; comparing the value of said parameter with at least one predetermined value; and transmitting at least one datum, referred to as a notification datum, relating to said connection/disconnection. The invention also relates to a system for connecting/disconnecting an electric vehicle to/from a charging terminal, as well as to a charging terminal implemented in such a method and in such a system. | 01-29-2015 |