Patent application number | Description | Published |
20100006372 | SOUND INSULATION COMPONENT FOR A RIGID STRUCTURAL MEMBER OF AN AUTOMOBILE - A sound-insulation component for a rigid structural member, of the type including a mass-spring system ( | 01-14-2010 |
20120037447 | SOUNDPROOFING ASSSEMBLY FOR AN AUTOMOBILE, AND ASSOCIATED WALL ELEMENT - The assembly comprises a base spring layer made with a base of a resilient porous material, and the base spring layer being intended to be placed opposite a surface of the automobile. It comprises a stiffening layer arranged above the base spring layer and having a surface density greater than 250 g/m | 02-16-2012 |
20140037927 | MOTOR VEHICLE STRUCTURAL COMPONENT AND ASSOCIATED METHOD OF MANUFACTURE - This component comprises a first mat of felt and a second mat of felt, each felt mat comprising fibers and a resin binding the fibers. It comprises a spacer interposed between the first mat and the second mat, the first mat and the second mat being fixed to opposite faces of the spacer. At least one of the first mat and the second mat comprises at least 50 wt % of wood fibers bound together by the resin. | 02-06-2014 |
20140287216 | METHOD FOR PRODUCING A CONTINUOUS WEB OF FIBERS COMPRISING LONG NATURAL FIBERS, AND ASSOCIATED APPARATUS AND WEB - The inventive method includes the following steps:
| 09-25-2014 |
20140332313 | SOUNDPROOFING ASSEMBLY, IN PARTICULAR FOR A MOTOR VEHICLE - This assembly includes an elastic and porous base spring layer intended to be placed facing a surface, in particular of an automobile vehicle, and an intermediate insulation layer impervious to the passage of air, the intermediate layer being positioned on the base spring layer. The airproof intermediate layer has a surface mass density of less than 500 g/m | 11-13-2014 |
Patent application number | Description | Published |
20130101397 | ELECTRICAL POWER SUPPLY FOR EQUIPMENT CARRIED BY A ROTARY SUPPORT - An apparatus including a fixed part, a rotary support configured to be driven in rotation relative to the fixed part, at least one item of electrical equipment carried by the rotary support, and a power supply device configured to supply electrical energy to the electrical equipment. The power supply device includes an asynchronous machine including a stator fixed to the fixed part and a rotor carried by the rotary support, and an excitation device. The stator includes an electrical circuit including at least one switch configured to switch between an open state in which the electrical circuit is open and a closed state in which the electrical circuit is closed. The rotor includes at least one winding connected to the electrical equipment. The excitation device is configured to provide a reactive current to the electrical circuit of the stator or to the winding of the rotor. | 04-25-2013 |
20130177421 | ELECTRIC POWER SUPPLY FOR APPARATUSES SUPPORTED BY THE ROTOR OF AN AIRCRAFT ENGINE - An aircraft engine including: a stator; a main shaft; a first rotor; a second rotor; a transmission mechanism; a first electrical apparatus supported by the first rotor and a second electrical apparatus supported by the second rotor; at least one first field winding supported by the stator; a control unit configured to circulate direct electric current in the first field winding; at least one first armature winding supported by the first rotor and connected to the first electrical apparatus and at least one second armature winding supported by the second rotor and connected to the second electrical apparatus. | 07-11-2013 |
20140322017 | ROTARY MECHANICAL SYSTEM WITH CONTACTLESS ACTUATION - A mechanical system including: a shaft rotatably mounted about a primary axis thereof in relation to a structural element; a movable member mounted on the shaft to be fixed to the shaft for rotation therewith about the primary axis and configured to be moved selectively in relation to the shaft; a drive mechanism moving the movable member in relation to the shaft, and including a first fixed portion mounted on the structural element, a second movable portion mounted on the shaft and connected to the movable member, and an air gap electromechanical actuator between the first portion and the second portion. | 10-30-2014 |
20150077207 | THREE-PHASE-TWO-PHASE STATIONARY TRANSFORMER WITH FORCED LINKED FLUX - A three-phase-two-phase transformer including a magnetic circuit, three-phase windings, and two-phase windings, wherein the magnetic circuit includes a first column, a second column, and a third column that are magnetically connected together, the three-phase windings including a first winding, a second winding, and a third winding. The two-phase windings include a fourth winding around the first column, a fifth winding around the first column, a sixth winding around the third column, and a seventh winding around the third column, the fourth winding and the seventh winding being connected in series and forming a first two-phase phase, and the fifth winding and the sixth winding being connected in series and forming a second two-phase phase. | 03-19-2015 |
20150108760 | ELECTRICAL POWER SUPPLY SYSTEM COMPRISING AN ASYNCHRONOUS MACHINE, AND AN ENGINE FITTED WITH SUCH AN ELECTRICAL POWER SUPPLY SYSTEM - An electrical power supply including an asynchronous machine, an arrangement for driving a rotor of the asynchronous machine in rotation by a rotor of an engine, and an electrical connection for powering electrical equipment by the rotor of the asynchronous machine. The asynchronous machine is configured to receive AC electrical power via a stator of the asynchronous machine, and it presents, over a predetermined range of drive speeds of the rotor of the asynchronous machine under drive by the rotor of the engine, efficiency in transferring electrical power from the stator to the rotor that is privileged relative to the efficiency with which rotary mechanical power is converted into electrical power. | 04-23-2015 |
20150116067 | THREE PHASE ROTARY TRANSFORMER WITH FREE LINKED FLUXES - A rotary three-phase transformer with free linked fluxes including a first portion and a second portion that are movable in rotation relative to each other about an axis A. A first body defines a first annular slot of axis A, a second annular slot of axis A, a third annular slot of axis A, and a fourth annular slot of axis A. The coils of the first portion include a first toroidal coil of axis A in the first slot, a second toroidal coil of axis A in the second slot, a third toroidal coil of axis A in the second slot, a fourth toroidal coil of axis A in the third slot, a fifth toroidal coil of axis A in the third slot, and a sixth toroidal coil of axis A in the fourth slot. | 04-30-2015 |
20150124509 | THREE-PHASE/TWO-PHASE ROTARY TRANSFORMER - A three-phase/two-phase rotary transformer including a three-phase portion and a two-phase portion that are movable in rotation relative to each other about an axis A. The three-phase portion includes a first body made of ferromagnetic material and three-phase coils, the two-phase portion including a second body made of ferromagnetic material and two-phase coils. The second body defines a first annular slot of axis A and a second annular slot of axis A, the two-phase coils including a first toroidal coil of axis A in the first slot, a second toroidal coil of axis A in the first slot, a third toroidal coil of axis A in the second slot, and a fourth toroidal coil of axis A in the second slot, the first coil and the fourth coil being connected in series, the second coil and the third coil being connected in series. | 05-07-2015 |
20150137924 | MAGNETICALLY SHIELDED THREE-PHASE ROTARY TRANSFORMER - A three-phase transformer including a primary portion and a secondary portion, the primary portion including a first body made of ferromagnetic material and primary coils, the secondary portion including a second body made of ferromagnetic material and secondary coils, the first body defining a first annular slot of axis A and a second annular slot of axis A. The primary coils include a first toroidal coil of axis A in the first slot, a second toroidal coil of axis A in the first slot, a third toroidal coil of axis A in the second slot, and a fourth toroidal coil of axis A in the second slot, the second coil and the third coil being connected in series. | 05-21-2015 |
20150145626 | MAGNETICALLY SHIELDED THREE PHASE ROTARY TRANSFORMER HAVING THREE MAGNETIC CORES - A three-phase transformer including a primary portion and a secondary portion, the primary portion including a first body made of ferromagnetic material and primary coils, the secondary portion including a second body made of ferromagnetic material and secondary coils, the first body defining a first annular slot of axis A and a second annular slot of axis A, the primary coils including a first toroidal coil of axis A in the first slot, a second toroidal coil of axis A in the second slot, and one or more third toroidal coils connected in series, the third coils being wound around one of the legs, and passing via slots in the leg. | 05-28-2015 |
20150206652 | THREE-PHASE/TWO-PHASE ROTARY TRANSFORMER INCLUDING A SCOTT CONNECTION - A three-phase/two-phase rotary transformer includes a first single-phase rotary transformer and a second single-phase rotary transformer the first transformer including a first body defining a first slot, a first coil in the first slot, a second body defining a second slot, and a second coil in the second slot the second transformer including a third body defining a third slot, a third coil in the third slot, a fourth body defining a fourth slot, and a fourth coil in the fourth slot, wherein one terminal of the first coil is connected to the midpoint of the third coil, said the first body the first coil the third body, and said the third coil forming a three-phase portion of the transformer the second body the second coil the fourth body, and said fourth coil forming a two-phase portion of the transformer. | 07-23-2015 |
20150270059 | ELECTROMECHANICAL ACTUATION AND/OR GENERATION SYSTEM INCLUDING AN ELECTRICAL INSULATION BETWEEN THE ELECTRICAL SOURCE AND THE LOAD - An actuator or generator device includes an AC rotary electric machine having an electrical connection for transferring electrical energy to the terminals of the stator of the machine, the device including a transformer. | 09-24-2015 |
Patent application number | Description | Published |
20140044799 | MOLECULAR SIGNATURE OF CUTANEOUS PIGMENTARY SPOTS, ASSOCIATED WITH THE ORGANIZATION OF THE EXTRACELLULAR MATRIX - The present invention concerns a molecular signature of cutaneous pigmentary spots, comprising the genes MXRA5, LYZ, CTSL2, PLAU, TIMP1, EFEMP1, ECM1, ASPN, HS3ST6, PAPLN, CHSY1 and FLRT2, and various applications of this signature. In particular, the invention concerns a method for characterizing a known or suspected pigmentary spot in a human being, comprising comparing the levels of expression in skin samples obtained from said spot and from adjacent undamaged skin, of at least one dermal gene linked to matrix remodelling or to its extracellular proteoglycan and glycoprotein components, selected from the list constituted by the genes MXRA5, LYZ, CTSL2, PLAU, TIMP1, EFEMP1, ECM1, ASPN, HS3ST6, PAPLN, CHSY1 and FLRT2. The invention also concerns methods for evaluating the efficacy of a pigmentary spot treatment, cosmetic and therapeutic methods for the treatment of pigmentary spots, and various modulators for said genes, and their use. | 02-13-2014 |
20150307940 | MOLECULAR SIGNATURE OF CUTANEOUS PIGMENTARY SPOTS, ASSOCIATED WITH THE EXTRACELLULAR MATRIX - The present invention concerns a molecular signature of cutaneous pigmentary spots, comprising the genes TGFBR2, TGFBI, BMP2, SMAD3, THBS2, TGFBR3, SEMA5A, SMAD7, SOSTDC1, FRAS1, LEPREL1, MATN2, DST, PLOD2, ITGA2, COL6A3, CRTAP, LAMC1, LAMB3, LAMA3, ITGAV, ITGB1 and ACTN1, and various applications of this signature. In particular, the invention concerns a method for characterizing a known or suspected pigmentary spot in a human being, comprising comparing the levels of expression in skin samples obtained from said spot and from adjacent undamaged skin, of at least one dermal gene linked to the extracellular matrix selected from the list constituted by the genes TGFBR2, TGFBI, BMP2, SMAD3, THBS2, TGFBR3, SEMA5A, SMAD7, SOSTDC1, FRAS1, LEPREL1, MATN2, DST, PLOD2, ITGA2, COL6A3, CRTAP, LAMC1, LAMB3, LAMA3, ITGAV, ITGB1 and ACTN1. The invention also concerns methods for evaluating the efficacy of a pigmentary spot treatment, cosmetic and therapeutic methods for the treatment of pigmentary spots, and various modulators for said genes, and their use. | 10-29-2015 |
Patent application number | Description | Published |
20080212841 | METHOD FOR STRATIGRAPHIC INTERPRETATION OF SEISMIC IMAGES - The invention is a method for stratigraphic interpretation of a seismic image for determining a sedimentary history of an underground zone having application to petroleum exploration. The seismic reflectors of the image are digitized by means of an applied shape recognition technique. At least one attribute characteristic of the structure of the image in the vicinity of each reflector is calculated for a set of reflectors by means of an image analysis technique. This analysis is based on at least one analysis window whose shape is controlled by the associated reflector. Pertinent reflectors, in the sense of the stratigraphic interpretation, are selected from among this set of reflectors on the basis of this attribute. Finally, the sedimentary history of the underground zone is reconstructed from a stratigraphic interpretation of the reflectors thus selected. | 09-04-2008 |
20100077992 | Method for Detection of Abnormal Combustion for Internal Combustion Engines - A method for detection of abnormal combustion for internal combustion engines is disclosed. A physical model is chosen that describes, as a function of the angle a of rotation of the engine crankshaft, the development of pressure in the cylinder during combustion without any pre-ignition phenomenon. The cylinder pressure P | 04-01-2010 |
20100094528 | ABNORMAL COMBUSTION DETECTION METHOD FOR INTERNAL-COMBUSTION ENGINES - The invention is an abnormal combustion detection method for spark-ignition internal-combustion engines. For each engine cycle, a parameter characterizing a distribution of N combustion indicator values, CA10 for example, acquired over N cycles preceding the cycle in progress, is determined while ignoring extreme values. A threshold is defined from this parameter for the combustion indicator. The start of an abnormal combustion is then detected by comparing the combustion indicator with this threshold and the course of the abnormal combustion detected in the combustion chamber is controlled. | 04-15-2010 |
20110113869 | ABNORMAL COMBUSTION DETECTION METHOD FOR INTERNAL-COMBUSTION ENGINES FROM SEVERAL COMBUSTION INDICATORS - An abnormal combustion detection method is disclosed for spark-ignition internal-combustion engines, from combustion indicators. Combustion indicators, such as CA10 and MIP, are determined which are converted to new indicators having lower dispersions than those of indicators for normal combustions that are not converted. A parameter characterizing a distribution of N values of the new combustion indicators, acquired over N cycles preceding the cycle in progress, is then determined. The start of an abnormal combustion is thereafter detected by comparing this parameter with a threshold, and the course of the abnormal combustion detected in the combustion chamber is controlled. | 05-19-2011 |
20110118953 | ABNORMAL COMBUSTION DETECTION METHOD FOR INTERNAL-COMBUSTION ENGINES FROM COMBUSTION INDICATOR DISTRIBUTION MODELLING - An abnormal combustion detection method for spark-ignition internal-combustion engines, from combustion indicator distribution modelling is disclosed. At least one combustion indicator such as CA10 is determined. The distribution of N values of this indicator, acquired over N cycles preceding the cycle in progress, is modelled by determining coefficients of a theoretical distribution law. Modelling is repeated by removing extreme values from among the N values or for various working points of the engine, to obtain an evolution of the coefficients. At least one parameter characterizing evolution of at least one of these coefficients is determined. The start of an abnormal combustion is detected by comparing the parameter with a predetermined threshold, and the course of the abnormal combustion detected in the combustion chamber is controlled. | 05-19-2011 |
20130024087 | ABNORMAL COMBUSTION DETECTION AND CHARACTERIZATION METHOD FOR INTERNAL-COMBUSTION ENGINES - An abnormal combustion detection and characterization method for spark-ignition internal-combustion engines using combustion indicators is disclosed. A multidimensional space having each dimension corresponding to one of the indicators is defined and a closed surface is defined in this space to surround points corresponding to normal combustions and to not surround points corresponding to abnormal combustions. For each combustion of an engine cycle, the combustion of the cycle is represented by a point in this multidimensional space, the position of this point with respect to the surface is determined and the abnormal nature of the combustion is deduced therefrom. | 01-24-2013 |
Patent application number | Description | Published |
20140088161 | USE OF A FEED COMPOSITION FOR REDUCING METHANE EMISSION IN RUMINANTS, AND/OR TO IMPROVE RUMINANT PERFORMANCE - The present invention relates to the field of reduction of methane emission in ruminants. Particularly, it relates to the use of a feed composition or a feed additive comprising at least one antibiotic and at least one organic molecule substituted at any position with at least one nitrooxy group for reducing the production of methane emanating from the digestive activities of ruminants, and/or to improve the ruminant performance. | 03-27-2014 |
20140356478 | FUSION OF BIOACTIVE MOLECULES - Fusion-proteins containing an enzyme, preferably a feed or food enzyme, coupled to a gut surface-binding domain are presented. The fusion-proteins can be used to promote feed utilization in animals. In a particular example, a Fusion enzyme according to the invention comprising a gut-surface-binding polypeptide segment linked to a phytase show an increased resident time in the gut, which leads to an increased amount of time given to the enzyme to catalyse the corresponding reaction which finally leads to improved feed utilisation. | 12-04-2014 |
20150064305 | USE OF PARA NITRO AMINO DERIVATIVES IN FEED FOR REDUCING METH-ANE EMISSION IN RUMINANTS - The present invention relates to a method for reducing the production of methane emanating from the digestive activities of a ruminant and/or for improving ruminant animal performance by using, an active compound belonging to the class of para nitro amino derivatives, or a salt thereof, which is administrated to the animal together with the feed. The invention also relates to the use of these compounds in feed and feed additives such as premix, concentrates and total mixed ration (TMR) or in the form of a bolus. | 03-05-2015 |
Patent application number | Description | Published |
20080307792 | TURBOMACHINE COMBUSTION CHAMBER WITH HELICAL AIR FLOW - The invention relates to a turbomachine combustion chamber comprising an inner annular wall, an outer annular wall surrounding the inner wall so as to co-operate therewith to define an annular space forming a combustion area, a plurality of fuel injector systems comprising pilot injectors alternating circumferentially with full-throttle injectors, and at least one air admission opening out into the upstream end of the combustion area in a substantially longitudinal direction. The outer wall has a plurality of pilot cavities extending between the two longitudinal ends of the outer wall and extending radially towards thereof, the pilot cavities being fed with air from outside the combustion chamber in a common substantially circumferential direction. Each pilot injector opens out radially into a pilot cavity, and each full-throttle injector opens out radially between two adjacent pilot cavities. | 12-18-2008 |
20100043449 | DEVICE FOR ATTACHING A COMBUSTION CHAMBER - Turbomachine comprising an annular combustion chamber ( | 02-25-2010 |
20100058765 | TURBOMACHINE COMBUSTION CHAMBER - A turbomachine combustion chamber including a substantially L-shaped fuel injector and means for mounting and fastening the injector in an orifice of the casing of the chamber, said means including an outer collar carried by the injector and a removable annular spacer surrounding the injector and designed to be interposed between the collar of the injector and the casing. | 03-11-2010 |
20110113789 | GAS TURBINE ENGINE COMBUSTION CHAMBER COMPRISING CMC DEFLECTORS - A gas turbine engine combustion chamber including at least one deflector mounted on the chamber end wall and including an opening for a carburetted air supply device. The deflector includes an opening, corresponding to the chamber end wall opening, with an annular cylindrical part for attachment to the wall, the cylindrical part including a mechanical attachment mechanism collaborating with a complementary attachment mechanism on a metal sleeve secured to the wall and a cylindrical centering cup fixed by one end to the sleeve and housed inside the cylindrical part of the deflector. | 05-19-2011 |
20110120144 | ANNULAR COMBUSTION CHAMBER FOR A TURBOMACHINE - An annular combustion chamber for a turbomachine, such as a jet engine or a turboprop engine for an aircraft, including at the downstream end of one of its external or internal walls of revolution an annular flange for fastening to a casing of the turbomachine, the downstream end of the other wall of revolution of the chamber including a bearing mechanism which are spaced apart from another casing of the turbomachine when cold and bear radially on this casing when hot. | 05-26-2011 |
Patent application number | Description | Published |
20110067407 | FLAME-HOLDER DEVICE COMPRISING AN ARM SUPPORT AND A HEAT-PROTECTION SCREEN THAT ARE IN ONE PIECE - A flame-holder device for the afterburning of a bypass turbojet, said turbojet comprising first and second internal annular casings, defining a passageway for a main flow, and an external annular casing defining with said first internal annular casing a passageway for a bypass flow, comprising: | 03-24-2011 |
20130230404 | METHOD OF OPTIMIZING THE PROFILE OF A COMPOSITE MATERIAL BLADE FOR ROTOR WHEEL OF A TURBINE ENGINE, AND A BLADE HAVING A COMPENSATED TANG - A method optimizing a composite material blade profile for a rotor wheel of a turbine engine, and a blade including a tang compensated by the method. The method includes: compensating a blade airfoil by subdividing the airfoil into slices, and for each airfoil slice and a predetermined rotation speed of a disk of the wheel, calculating centrifugal force applied to the slice, calculating an aerodynamic force moment acting on a bottom section of the slice, and calculating shift values to be applied to a center of gravity of the slice to cancel the aerodynamic force moment; and compensating the blade tang by calculating centrifugal force applied to a blade portion situated beyond the airfoil neck, calculating an aerodynamic force moment acting on a bottom section of the blade tang, and calculating shift values to be applied to a center of gravity of the blade tang to cancel the aerodynamic force moment. | 09-05-2013 |
20140112772 | EXHAUST CASE FOR A TURBOMACHINE WITH A FLEXIBLE HUB - An exhaust case for a turbomachine includes, from outside towards inside, yokes, a collar and a hub, which are annular and coaxial. The hub is connected to the collar by radial arms and extends between an annular flange and an inner collar capable of guiding a gas flow. In the hub each arm includes a rib in a shape of a triangle which ends with the flange. The inner collar is extended into the hub by a plate capable of transferring forces between the flange and the yokes. The plate can be advantageously inclined with respect to a radial plane. Two portions, which enclose a cut-out formed in a minimum-stress region along the plate, are coupled with pre-set plays. The case is capable of absorbing compression and traction at a thermal gradient. | 04-24-2014 |