Prigent, FR
Andre Prigent, Verberie FR
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20130195704 | DESYNCHRONIZED COUPLING OF A HYDRAULIC MACHINE - The present invention relates to a hydraulic circuit including: | 08-01-2013 |
Andre Prigent, Saintines FR
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20090127927 | DEVICE FOR CONTROLLING HYDRAULIC BRAKING OF A TRAILER HITCHED TO A TRACTOR - A hydraulic circuit having a brake pipe suitable for being connected to a pressurized fluid source or to a pressure-free reservoir, i.e. to a reservoir without excess pressure, via a proportional pressure reducer controlled by an electronic control unit (ECU). The circuit includes link solenoid-valve means suitable for connecting the proportional pressure reducer to the reservoir or, via a calibrated pressure reducer, to the pressurized fluid source. | 05-21-2009 |
20100018200 | HYDROSTATIC TRANSMISSION DEVICE FOR A MOBILE MACHINE - Hydrostatic transmission apparatus for a vehicle having a front group of drive members and a rear group of drive members, a pump, a front motor and a rear motor contributing to driving respective ones of the front and rear groups of drive members; a first one of the motors and a second one of the motors connected to the first motor via a series duct also being connected to the main orifices of the pump, thereby constituting a closed transmission circuit; at least one pressure-limiting valve being interposed between the series duct and a low-pressure circuit, and being suitable for connecting the series duct to the low-pressure circuit while being controlled as a function of the high pressure of the pump. The pressure in the series duct is thus effectively limited to a pressure representative of the pressure necessary for driving the vehicle. | 01-28-2010 |
20100043423 | HYDROSTATIC TRANSMISSION DEVICE FOR A HEAVY VEHICLE - A hydrostatic transmission including a main pump, two main ducts serving respectfully as feed and as discharge for first and second hydraulic motors that serve to drive disposed one after the other. A bypass valve can take up a reduced-speed position in which the feed main orifices are connected to the discharge main duct, and an increased-speed position in which one of the motors is bypassed, the feed main orifice of the motor being connected to the discharge main duct via a bypass link, while the other main orifices continue to have their respective links. The apparatus further includes a constriction suitable for being activated to restrict the flow of fluid through the bypass link. | 02-25-2010 |
20110197574 | HYDRAULIC TRANSMISSION SYSTEM HAVING A MAIN PUMP THAT CAN BE ACTUATED CONTINUOUSLY - A hydraulic transmission system for a vehicle, the system including: | 08-18-2011 |
20130094986 | HYDRAULIC TRANSMISSION DEVICE ALLOWING RELATIVELY QUIET COUPLING - A hydraulic transmission apparatus having at least one declutchable hydraulic motor having radial pistons and connected via two motor ducts, and a casing duct connected to the inside of the casing. The apparatus further has clutching means that, in order to perform the clutching of the motor, are suitable for bringing a first one of the motor ducts to a “clutching” first pressure that is higher than the pressure in the casing while also making it possible to remove fluid via the casing duct. Disposed on the casing duct, the apparatus further has means for limiting the flow of fluid in said casing duct, in a manner such as to cause the pressure inside the casing to increase during the clutching operation. This apparatus enables clutching to take place gently. | 04-18-2013 |
20140123636 | HYDROSTATIC TRANSMISSION APPARATUS IMPARTING HIGH DRIVABILITY - A hydrostatic transmission apparatus for a vehicle having at least two wheels, the second wheel being steerable, may include a main hydraulic pump, two hydraulic motors driving respective ones of the wheels, detection means for detecting that the second wheel is turned by being steered, a first synchronization duct between the first and second motors, and re-feed means for re-feeding the first synchronization duct, and suitable for acting, while the second motor is being fed by the first motor via the first synchronization duct, and when the second wheel is turned by being steered, to inject fluid into the first synchronization duct while limiting the pressure in said synchronization duct to a pressure less than a re-feed pressure that is significantly less than the high pressure of the pump. | 05-08-2014 |
20150047334 | HYDROSTATIC TRANSMISSION DEVICE ENSURING GOOD DRIVEABILITY - The present disclosure is directed to a hydrostatic transmission apparatus including a pump, a first motor, and a second motor having two elementary motors, each of them and the first motor having feed/discharge first and second enclosures. In work mode and in road mode the second enclosure of the first elementary motor of the second motor and the first enclosure of the first motor are connected together in series, the second enclosure of the first motor being connected to the second port of the pump and the second enclosure of the second elementary motor of the second motor is connected to the second port of the pump. In work mode, the first enclosure of each of the two elementary motors of the third motor is connected to the first port of the pump. | 02-19-2015 |
André Prigent, Saintines FR
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20110197575 | HYDRAULIC TRANSMISSION APPARATUS MAKING QUICK POSITIVE CLUTCHING/DECLUTCHING POSSIBLE - Hydraulic transmission apparatus including a pressurized fluid source and at least one hydraulic motor fed by said pressurized fluid source. The motor has two motor ducts for feed/discharge, and one casing duct. The motor can be operated in assisted mode, in which it generates torque or in unassisted mode in which it does not generate any torque and its pistons are maintained in the retracted position under the effect of the pressure in the casing duct. The apparatus further includes an accumulator suitable for feeding: | 08-18-2011 |
20130094986 | HYDRAULIC TRANSMISSION DEVICE ALLOWING RELATIVELY QUIET COUPLING - A hydraulic transmission apparatus having at least one declutchable hydraulic motor having radial pistons and connected via two motor ducts, and a casing duct connected to the inside of the casing. The apparatus further has clutching means that, in order to perform the clutching of the motor, are suitable for bringing a first one of the motor ducts to a “clutching” first pressure that is higher than the pressure in the casing while also making it possible to remove fluid via the casing duct. Disposed on the casing duct, the apparatus further has means for limiting the flow of fluid in said casing duct, in a manner such as to cause the pressure inside the casing to increase during the clutching operation. This apparatus enables clutching to take place gently. | 04-18-2013 |
Chloe Prigent, Acigne FR
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20150087108 | Process, Film, and Apparatus for Top Cell for a PV Device - This disclosure describes systems and methods for making at least a portion of a photovoltaic device. This may include a method of manufacturing, an optimization procedure and an apparatus for the PECVD (plasma enhanced chemical vapor deposition) of thin films over large area substrates. In particular, the system may be used to deposit thin film silicon material for photovoltaic (PV) applications. The photovoltaic device may be achieved by a combination of plasma chamber design (e.g., inter-electrode separation) and plasma process parameters (e.g., pressure, applied RF voltage, etc.) to optimize the doped and/or intrinsic layers of the solar cell (e.g., p-i-n junction). | 03-26-2015 |
Eric Prigent, Montrouge FR
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20110254885 | DATA RECORDING METHOD FOR LONG-TERM READING OF SAID DATA - According to this method, there is recorded on the same recording medium ( | 10-20-2011 |
Fanny Prigent, Paris FR
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20090047341 | CAPSULES OF CORE/SHELL TYPE AND PREPARATION PROCESS - The present invention relates to a process for the preparation of a suspension of capsules of core/shell type comprising the steps of mixing, at ambient temperature, an oily phase and polymers, at least one of which is an oligomer having a weight-average molecular weight of less than 10 000 and a hydroxyl number (N | 02-19-2009 |
Fanny Prigent, Ceyrat FR
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20080254077 | Core/shell particles based on silicone compounds - The present invention relates to particles of core/shell type suitable for the encapsulation of cosmetic and/or therapeutic lipophilic active agents. It also relates to a process for preparing said particles as well as cosmetic or therapeutic compositions comprising them. | 10-16-2008 |
20080279901 | Composition comprising encapsulated silicone compounds - The present invention relates to a cosmetic composition intended for the care and/or make-up of keratinous substance(s) comprising, in a physiologically acceptable medium, at least one compound X, one compound Y and at least one catalyst, with at least one of the compounds X or Y being a polyorganosiloxane, and said compounds X and Y being capable of reacting together by a hydrosilylation reaction in the presence of a catalyst, with at least one compound from the compounds X and Y being present in said composition in an encapsulated form, said catalyst being combined with at least one of said encapsulated compound X or Y. | 11-13-2008 |
Francois Prigent, Aussonne FR
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20140379370 | INTERACTIVE SYSTEM FOR TRACKING A SERIES OF ORDERED STEPS - A system for making safe the conduct of a succession of ordered steps. The succession of steps being applied to transform it to a mobile physical entity. The system comprises a database for inputting and storing the succession of steps, at least one step being associated with at least one prior step. An identification device identifies the physical entity in a zone of conduct of a step in progress. A terminal displays the successive steps. A server verifies that each prior step associated with the step in progress has been previously validated and manages discharge of the physical entity from the zone of the conduct of the step in progress. A sensor validates the realization of the step in progress by an operator associated with the step in progress. A storage device stores each validation. | 12-25-2014 |
Frederic Prigent, Illkirch FR
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20130343026 | CONTROL PANEL - A control panel designed to be placed in a vertical plane, the control panel comprising the layered assembly of a flat base, of an elastomer sheet mounted against the base, the sheet being provided with openings and optionally with domes, and of a decorative fascia. The control panel is in addition provided with a means for protection against liquids made in one piece with the sheet, the protection means comprising elements projecting from the main surface of the sheet, the said elements being so arranged that when the control panel is in the substantially vertical plane and the liquid penetrates between the sheet and the decorative fascia, the liquid is guided along a determined course and re-emerges from the panel having avoided critical zones leading in particular to detectors. | 12-26-2013 |
Georges Prigent, Le Mans FR
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20110134535 | DISPLAY DEVICE, NOTABLY FOR A MOTOR VEHICLE - A display device for a motor vehicle includes a projection module for generating an image for projection in a normal direction of looking of a user long an optical path. The display device comprises a reflection element capable of being moved between a first rest position and a second display position. The reflection element in its display position is provided in the normal direction of looking of the user. When the reflection element moves between its first rest position and its second display position, it is subjected to rotary movement about a fixed axis of rotation. | 06-09-2011 |
20110141572 | DISPLAY DEVICE, NOTABLY FOR A MOTOR VEHICLE - The present invention relates to a display device, notably for a motor vehicle, comprising a projection module for generating an image for the purpose of a projection in the normal direction of looking of a user of the display device on an optical path, the display device comprising a reflection element, the reflection element being capable of being moved between a multitude of different display positions, the different display positions corresponding to different viewing positions of a user of the display device. | 06-16-2011 |
Helene Prigent, Paris FR
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20120145156 | PHONATION ASSISTANCE DEVICE FOR A TRACHEOTOMY PATIENT - The invention relates to a phonation assistance device for a tracheotomy patient, including: an exhalation circuit connected to a tracheotomy cannula inserted in the trachea of the patient, the exhalation circuit including an outlet opening for the passage of the air exhaled by the patient; and a valve for opening/closing the outlet opening for normally assuming, when the patient inhales, a position for closing the outlet opening and, when the patient exhales, a position for closing the outlet opening. It also includes means for the positive priority control of the valve for selectively moving the valve into the closed position when the patient exhales. | 06-14-2012 |
Jocelyn Prigent, Paris FR
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20130312610 | DEVICE FOR TRAPPING FLAMMABLE GASES PRODUCED BY RADIOLYSIS OR THERMOLYSIS IN A CONTAINMENT - A device for trapping flammable gases such as hydrogen comprises active means ( | 11-28-2013 |
Nicolas Prigent, Rennes FR
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20080263198 | Device and method using non-cycle accurate measurements for discovering emulated clients - A method for discovering emulated clients. A verifier sends a cryptographic challenge C to a client and preferably starts a timer. The client uses a deterministic key search algorithm to find the correct key and returns the result as a number of tries needed. The verifier then stops the timer if this was started and verifies that the result is correct and preferably that the response was timely. Also provided is a verifier. | 10-23-2008 |
20100274948 | COPY-PROTECTED SOFTWARE CARTRIDGE - A cartridge preferably for use with a game console. The cartridge comprises a ROM, a non-volatile memory, a processor and a dispatcher. An application running on the console may communicate with the dispatcher using predefined addresses, which enables the dispatcher to access the ROM, the non-volatile memory, or the processor, as the case may be. The invention improves on the prior art copy protection as no generic copy method may be found if the addresses are changed from one cartridge to another. In addition, to copy the software, the processor must be emulated. | 10-28-2010 |
20110119503 | COPY-PROTECTED SOFTWARE CARTRIDGE - A cartridge preferably for use with a game console. The cartridge comprises a ROM, a non-volatile memory, a processor and an encryption unit. An application running on the console may read data from the ROM, read data from the non-volatile memory, and write data in the non-volatile memory. Data to be written in the non-volatile memory is encrypted by the encryption unit, but data to be read is returned in encrypted form for decryption by a decryption function of the game application. Data may also be received encrypted to be decrypted and returned. The encryption or decryption unit may also receive data from the non-volatile memory and send it to the interface. The invention improves on the prior art copy protection as a hacker must reverse engineer the game application in order to copy it, if the encryption unit is unknown. The invention also provides an optical medium equipped with a RFID circuit. | 05-19-2011 |
Nicolas F.e. Prigent, Rennes FR
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20120023158 | METHOD FOR SECURE TRANSFER OF MULTIPLE SMALL MESSAGES - A method and system for securely transferring a multiplicity of short messages using an unsecure connection begins by loading a secure domain component on a client device using a secure connection and then loading an unsecure domain component on the client device. Encrypted messages are sent from an unsecure server to the unsecure domain component. The client device transfers the received encrypted message from the unsecure domain to the secure domain, where the secure domain component decrypts the received encrypted messages. This method works repeatedly without reloading either the secure domain component or the unsecure domain component and by using the unsecure connection to transfer the encrypted messages. | 01-26-2012 |
Samuel Prigent, Cavaillon FR
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20080312064 | Porous, Fired Ceramic Foam - The invention relates to a porous, fired ceramic foam having a total porosity of between 50 and 92% and an intergranular porosity of at least 5%. In particular, the invention relates to a recrystallised silicon carbide foam. | 12-18-2008 |
Serge Prigent, Le Sappey En Chartreuse FR
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20090257864 | Hydraulic machine member with an abrasion-resistant reinforced edge and a hydraulic machine using this member - This hydraulic machine member has at least one flow of water passing through it, and comprises at least one wetted surface extending between two edges of the member, at least one of the edges of the member and part of the adjacent wetted surface being reinforced and formed by at least one removable solid element made from material having a high resistance to abrasion. | 10-15-2009 |
20100013232 | Solid particle separator device and a hydraulic installation including such a device - The device ( | 01-21-2010 |
20110049748 | METHOD FOR DEBURRING A CERAMIC FOUNDRY CORE - The present invention relates to a method for deburring a ceramic foundry core ( | 03-03-2011 |
20130139494 | METHOD FOR PROTECTING A COMPONENT OF A HYDRAULIC MACHINE AGAINST EROSION, COMPONENT MANUFACTURING USING THIS METHOD AND INSTALLATION COMPRISING SUCH COMPONENT - A method for protecting a component of a hydraulic machine against erosion comprises steps involving preparing, in the flat state, several sheets of polymerised synthetic material, in applying a coat of adhesive to one side of each sheet | 06-06-2013 |
20140332373 | DEVICE FOR THE CATHODIC PROTECTION OF A METAL WALL AGAINST CORROSION IN A SALINE ENVIRONMENT - A device for the cathodic protection of a metal wall against corrosion in a saline environment, includes an anode and means for connecting said anode to said wall. The anode has a higher electrochemical potential than the wall, wherein the anode is placed in a compartment delimited by a wall permeable to electrons and, optionally, to water. The device includes a porous outer layer made from a material selected from: polymeric materials, ceramic materials or hydrated inorganic materials and at least one porous layer having the ability to collect the cations emitted by the anode during the dissolution of same. The material forming the at least one layer is selected from osmotic membranes, active carbon, a cation exchange resin such as a zeolite, a cation-collecting polymer with nanofillers, cation-collecting mineral compounds such as phyllosilicates and inosilicates, cation-retaining nanofiltering semi-permeable organic microporous membranes. | 11-13-2014 |
20150084333 | METHOD FOR WELDING TWO EDGES OF ONE OR MORE STEEL PARTS TO EACH OTHER INCLUDING A HEAT TREATMENT STEP AFTER THE WELDING STEP: PENSTOCK OBTAINED WITH SUCH A METHOD - The present application describes a method for welding two parts to each other. The two parts are made from steel having a high thermomechanical yield strength. The welding method includes a welding step in which a weld bead is created inducing a heat-affected zone to appear. The method also includes a heat treatment step having a heating step, during which at least one portion of the weld bead and the HAZ is gradually heated to a treatment temperature; then a holding step in which the portion of the weld bead and the HAZ is kept at the treatment temperature; then a cooling step in which the HAZ and the weld bead are gradually cooled and pass from the austenitic transformation end temperature to the martensitic transformation end temperature of the steel of the parts in a time between 7.5 s and 8.5 s, and pass from the austenitic transformation end temperature to the martensitic transformation end temperature in a time shorter than 15.5 s. The present application also describes a penstock obtained with such a method. | 03-26-2015 |
Serge Prigent, Asnieres Sur Seine FR
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20080251979 | TOOL FOR MANUFACTURING CERAMIC CASTING CORES FOR TURBOMACHINE BLADES - The present invention relates to a tool for manufacturing a casting core, for a turbomachine blade with a leading edge and a trailing edge, the core ( | 10-16-2008 |
Sylvain Prigent, Biot FR
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20120242858 | DEVICE AND METHOD FOR COMPENSATING FOR RELIEF IN HYPERSPECTRAL IMAGES - The invention relates to a device for adjusting the raised pattern of at least one hyper-spectral image including at least one sensor capable of producing at least one hyper-spectral image in at least two wavelengths, a computing means capable of classifying the pixels of the hyper-spectral image derived from the sensor on the basis of a two-state classification relationship, and a display means capable of displaying at least one image on the basis of the classified pixels from the computing means. The computing means includes a means for adjusting the raised pattern on the basis of at least one reference image. | 09-27-2012 |
20120314920 | METHOD AND DEVICE FOR ANALYZING HYPER-SPECTRAL IMAGES - A device for analyzing a hyper-spectral image, comprising at least one sensor able to produce a series of images in at least two wavelengths, a calculation means able to class the pixels of an image according to a two-state classing relation, the image being received from a sensor, and a display means able to display at least one image resulting from the processing of the data received from the calculation means. The calculation means comprises: a means for determining training pixels receiving data from a sensor, a means for calculating a projection pursuit able to effect an automatic division of the spectrum of the hyper-spectral image, and a means for producing a large-margin separation. The calculation means is able to produce data in which the classed pixels are distinguishable. | 12-13-2012 |
Sylvain Mériadec Prigent, Biot FR
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20130345542 | DETERMINATION BY INDEPENDENT COMPONENT ANALYSIS OF THE EFFICACY OF A TREATMENT - A method is described for determining a value for quantifying the deviation from a mean value of a distribution of a divergence in severity between an initial instant and a later instant subsequent to the initial instant. | 12-26-2013 |
20140016842 | DETERMINATION OF THE EFFICACY OF A TREATMENT - A method is described for determining a value for quantifying a deviation from a mean value of a distribution of the divergence in severity between an initial instant and a later instant subsequent to the initial incident. | 01-16-2014 |
Thierry Prigent, Sainte Helene FR
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20100026633 | REUSABLE ELECTRONIC WRITING AND DISPLAYING DEVICE - Examples consistent with the invention include a reusable device for writing, displaying and deleting information with an electronic device on a support device having bistable liquid crystals. The reusable device includes a substrate onto which are successively applied and from the substrate: an electricity conducting coating; an optical coating that can absorb all or part of the surrounding light; a coating of a transparent substance in which a plurality of bistable liquid crystals are emulsioned; at least one electricity conducting element being electrically connected to the electricity conducting coating via an electrical voltage generator to form an electric circuit. The electricity conducting element may be in contact and be moved over the surface of the transparent coating in which a plurality of bistable liquid crystals are emulsioned, to produce a modification of the state of light transmission in said transparent coating at the contact, so as to generate the writing and displaying of information, or the deleting of the displayed information. | 02-04-2010 |
20110200265 | METHOD OF RECORDING IMAGES AND DATA FOR RETRIEVING THESE IMAGES - According to this method, for the formulation and recording of the retrieval data, each of the images ( | 08-18-2011 |
20110254885 | DATA RECORDING METHOD FOR LONG-TERM READING OF SAID DATA - According to this method, there is recorded on the same recording medium ( | 10-20-2011 |
Vincent Prigent, Paris FR
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20150298487 | FOUNTAIN PEN - A fountain pen comprising: an elongate hollow body defining an inner chamber designed to receive an ink container; a nib disposed at a first end of the hollow body; and a connection part connecting the inner chamber to the nib and defining an ink flow passage extending along a longitudinal axis, the connection part comprising a valve opening and closing the ink flow passage, designed to selectively open and close the ink flow passage. The connection part comprises a striker interposed between the valve and the inner chamber and designed to engage with the ink container and allow a flow of ink between the ink reservoir and the nib. | 10-22-2015 |