Patent application number | Description | Published |
20110009220 | Tensioning Roller or Winder Device - The chain or belt tensioning roller or winder device is provided with a rolling bearing | 01-13-2011 |
20110188797 | Rolling Bearing, Its Use, and a Motor Vehicle Fitted with such a Rolling Bearing - This rolling bearing ( | 08-04-2011 |
20110222806 | Ball Bearing, Its Use and a Motor Vehicle Fitted with such a Bearing - This hall bearing ( | 09-15-2011 |
20110259705 | A Clutch Bearing, a Clutch Drive Device, and a Motor Vehicle Equipped with such a Bearing and with such a Device - This bearing ( | 10-27-2011 |
20110303506 | Clutch-Release Bearing Device including a Wear Ring - A clutch-release bearing device includes a bearing having a non-rotating ring, a rotating ring with a rolling portion for supporting rolling elements, a contact portion extending from the rolling portion and radially away from the non-rotating ring, and a guide portion extending toward the non-rotating ring and disposed axially against the contact portion to form a fold, and at least one row of rolling elements disposed between the non-rotating and rotating rings. A wear ring is movably mounted on the guide portion of the rotating ring and is configured to contact the clutch mechanism diaphragm. The ring includes a polymeric body and a stiffening insert configured to stiffen the body, the body having a retaining portion disposed generally axially between the rotating ring rolling and contact portions and configured to axially retain the wear ring in relation to the rotating ring. | 12-15-2011 |
20120039556 | BALL BEARING, A CLUTCH BEARING INCLUDING SUCH A BEARING, AND A MOTOR VEHICLE FITTED WITH SUCH A BEARING - The ball bearing ( | 02-16-2012 |
20120261227 | Clutch-Release Bearing Device including a Wear Ring - A rolling-contact bearing device has a central axis and includes a non-rotating ring, a rotating ring having an axial guide portion providing a raceway for rolling elements, a reinforcement portion extending radially from the guide portion, and a mounting portion disposed generally against the reinforcement portion such that the two portions form a fold providing a double thickness of material, the reinforcement and mounting portions extending obliquely with respect to the central axis, and at least one row of rolling elements disposed between the non-rotating and rotating rings. A wear ring is mounted on the mounting portion of the rotating ring, contactable with the clutch mechanism diaphragm, and is dimensioned such that a force applied through the wear ring to the mounting portion of the rotating ring is oriented toward the guide portion. | 10-18-2012 |
20120263406 | ROLLING BEARING, NOTABLY FOR A CLUTCH RELEASE BEARING DEVICE - The rolling bearing comprises an inner ring, an outer ring and at least one row of rolling elements mounted between the said rings, one of the rings comprising at least one seal and being able to move angularly relative to the other ring so as to allow an angular tilting of the axis of the said ring relative to the axis of the other ring. The seal comprises at least one sealing lip made of a flexible material. | 10-18-2012 |
20130001038 | CLUTCH RELEASE BEARING DEVICE - The clutch release bearing device comprising a bearing | 01-03-2013 |
20130225344 | PULLEY DEVICE WITH A DAMPING ELEMENT - Pulley device for a rotary machine, and in particular a compressor, comprising a pulley, a rolling bearing, a torque transmission plate having an axial sleeve designed to be mounted on a rotary spindle of the rotary machine and a radial plate extending radially from the axial sleeve and having the general shape of a disc, said pulley being mounted on an outer ring of the rolling bearing and on the torque transmission plate, the torque transmission plate being able to transmit a rotational movement from the pulley to the rotary spindle. | 08-29-2013 |
Patent application number | Description | Published |
20100287386 | SECURE INTEGRATED CIRCUIT COMPRISING MEANS FOR DISCLOSING COUNTERPART MASK VALUES - An integrated circuit includes a communication interface circuit, a cryptographic algorithm, a countermeasure configured to protect the cryptographic algorithm against side-channel attacks, and a mask generator configured to provide the countermeasure with mask values. The integrated circuit is configured to execute a specific command requiring the disclosure of mask values used by the countermeasures to protect the cryptographic algorithm during a cryptographic session, and, in response to such a command, to send the mask values through the communication interface circuit. | 11-11-2010 |
20110246119 | PROCESS FOR TESTING THE RESISTANCE OF AN INTEGRATED CIRCUIT TO A SIDE CHANNEL ANALYSIS - A process for testing an integrated circuit includes collecting a set of points of a physical property while the integrated circuit is executing a multiplication, dividing the set of points into a plurality subsets of lateral points, calculating an estimation of the value of the physical property for each subset, and applying to the subset of lateral points a step of horizontal transversal statistical processing by using the estimations of the value of the physical property, to verify a hypothesis about the variables manipulated by the integrated circuit. | 10-06-2011 |
20110246789 | INTEGRATED CIRCUIT PROTECTED AGAINST HORIZONTAL SIDE CHANNEL ANALYSIS - An integrated circuit including a multiplication function configured to execute a multiplication operation of two binary words x and y including a plurality of basic multiplication steps of components xi of word x by components yj of word y is described. The multiplication function of the integrated circuit is configured to execute two successive multiplications by modifying, in a random or pseudo-random manner, an order in which the basic multiplication steps of components xi by components yj are executed. | 10-06-2011 |
20130055025 | MICROPROCESSOR PROTECTED AGAINST MEMORY DUMP - A microprocessor including a memory and a central processing unit configured to sign a binary word written in the memory, and during the reading of a binary word in the memory, verify the signature of the binary word and, if the signature is invalid, launching a protective action of the memory. According to the invention, the central processing unit is configured to execute a write instruction of a binary word accompanied by an invalid signature in a memory zone, so that a later read of the memory zone by the central processing unit launches the protective action. | 02-28-2013 |
20140351603 | ENCRYPTION PROCESS PROTECTED AGAINST SIDE CHANNEL ATTACKS - The invention relates to a symmetric encryption process executed by a microcircuit to transform a message into an encrypted message from a secret key, the process including a first round, intermediary rounds, and a last round. According to the invention, the process includes several executions of the first round and of the last round, and a number of executions of at least one intermediary round, the number of executions being less than the number of executions of the first and last rounds. The invention is particularly applicable to DES, Triple DES, and AES processes. | 11-27-2014 |
20140355758 | METHOD OF GENERATING PRIME NUMBERS PROVEN SUITABLE FOR CHIP CARDS - The invention relates to a method for generating a prime number, implemented in an electronic device, the method including steps of calculating a candidate prime number having a number of bits, using the formula: Pr=2P·R+1, where P is a prime number and R is an integer, applying the Pocklington primality test to the candidate prime number, rejecting the candidate prime number if it fails the Pocklington test, generating the integer from an invertible number belonging to a set of invertible elements modulo the product of numbers belonging to a group of small prime numbers greater than 2, so that the candidate prime number is not divisible by any number of the group, the prime number P having a number of bits equal, to within one bit, to half or a third of the number of bits of the candidate prime number. | 12-04-2014 |
20140358980 | METHOD OF GENERATING PROVEN PRIME NUMBERS SUITABLE FOR BEING IMPLEMENTED IN A SMART CARD - The invention relates to a method for generating a prime number, implemented in an electronic device, the method including steps of generating a prime number from another prime number using the formula Pr=2P·R+1, where P is a prime number having a number of bits lower than that of the candidate prime number, and R is an integer, and applying the Pocklington primality test to the candidate prime number, the candidate prime number being proven if it passes the Pocklington test. According to the invention, the size in number of bits of the candidate prime number is equal to three times the size of the prime number, to within one unit, the generated candidate prime number being retained as candidate prime number only if the quotient of the integer division of the integer by the prime number is odd. | 12-04-2014 |
Patent application number | Description | Published |
20080305257 | Device and Method for the Production of Stabilised Suspensions of Nanometric or Submicrometric Particles - The invention relates a method for the production of stabilised suspensions of nanometric or submicrometric particles, which is a method contained in a continuous flow that includes a step ( | 12-11-2008 |
20090014921 | System And Method For Continuous Flow Production of Nanometric Or Sub-Micrometric Powders By The Action of Laser Pyrolysis - The invention relates to a system for continuous flow production of nanometric or sub-micrometric powders under the action of laser pyrolysis by interaction between a beam emitted by a laser and a flow of reagents emitted by at least one injector, wherein the laser is followed by an optical device allowing the energy of the beam to be distributed along an axis perpendicular to the axis of the flow of reagents, in an elongated cross-section with adjustable dimensions at least at one interaction area between this beam and the flow of reagents emitted by at least two injectors located perpendicularly to the axis of the beam. It also concerns a method for producing such powders. | 01-15-2009 |
20090294274 | GAS PHASE METHOD FOR PRODUCING NANOMETRIC PARTICLES - The invention relates to a gas phase method for producing nanometric particles ( | 12-03-2009 |
20120222558 | DEVICE FOR RECOVERING NANOPOWDERS AND ULTRAFINE POWDERS CONTAINED IN A GAS - A device for recovering nanometer or sub-micron particles carried by a gas by generating a stabilized suspension, including: a vessel including a mechanism injecting a liquid; a gas discharge mechanism in an upper portion thereof, located near a particle filter; a particle suspension outlet; and a liquid ring pump, transferring and dispersing particles carried by a gas into a liquid. The pump introduces a gas laden with nanometer or sub-micron particles into the pump; injects at least one liquid into the pump; and discharges the mixture obtained following the transfer. The vessel also includes a mechanism introducing the mixture into the vessel and at least one piezoelectric pellet, immersed in the vessel, configured to generate a fog of micron-sized droplets. | 09-06-2012 |
20130248614 | DEVICE AND METHOD FOR PRODUCING SUSPENSIONS OR WET PASTES OF NANOPOWDERS OR ULTRA-FINE POWDERS - A device and a method for producing suspensions or wet pastes of nanoparticles or ultra-fine particles. The method comprises: introducing a flow of particles of nanometric or submicronic size into a first compartment of a chamber having a bulk density between 15 and 100 g/L; forming, in the first compartment, a spray of droplets between 1 and 10 micrometres in size, by injecting a solvent in liquid or gas form into a second compartment of the device and passing said solvent through the filtering means, the solvent being chosen from the solvents which are liquid at ambient temperature and at atmospheric pressure; stopping the formation of the spray when the entire quantity of particles contained in the first compartment forms, as required, with the solvent, a suspension comprising between 80 and 99.9% solvent, if the solvent is introduced into the second compartment in liquid form, or a wet paste comprising between 1 and 10% solvent, if the solvent is introduced into the second compartment in gas form; recovering the suspension or wet paste formed. | 09-26-2013 |
20130280132 | SMOKE ANALYSIS CHARACTERIZATION CELL - The invention relates to a smoke analysis characterization cell employing optical spectroscopy, which comprises: a reaction chamber, an inlet orifice for injecting smoke into the reaction chamber; an outlet orifice for discharging the smoke from the reaction chamber; and an analysis window for the entry of a laser beam intended to form the plasma inside the reaction chamber, which cell is characterized in that the system further includes a blower for blowing an inert gas close to the analysis window; and a shielding gas injector for the shielded injection of the smoke into the reaction chamber, the shielding being provided by a jet of inert gas around the smoke. | 10-24-2013 |
Patent application number | Description | Published |
20090012147 | Indolone Derivatives, Processes For Preparing Them And Their Uses - The present invention relates to indolone derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals. | 01-08-2009 |
20090018148 | Xanthine Derivatives, Processes For Preparing Them And Their Uses - The present invention concerns xanthine derivatives, having formula (I), processes for preparing them, pharmaccutical compositions containing them and their use as pharmaceuticals. | 01-15-2009 |
20090156607 | 2-OXO-1-PYRROLIDINE DERIVATIVES - The present invention concerns 2-oxo-1-pyrrolidine derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals. | 06-18-2009 |
20090312333 | 2-Oxo-1-Pyrrolidine Derivatives, Processes for Preparing Them and Their Uses - The present invention concerns 2-oxo-1-pyrrolidine derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals. | 12-17-2009 |
20100069375 | Indolone-Acetamide Derivatives, Processes for Preparing Them and Their Uses - The present invention relates to indolone-acetamide derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as for the treatment of epilepsy, epileptogenesis, seizure disorders and convulsion. | 03-18-2010 |
20100222576 | 2-Oxo-1-pyrrolidine derivatives, processes for preparing them and their uses - The invention concerns 2-oxo- | 09-02-2010 |