| RENAULT S.A.S. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120136504 | METHOD FOR DRIVING A GROUP OF VEHICLE MEMBERS ON THE BASIS OF DRIVING SITUATIONS, AND CORRESPONDING DEVICE - A driving method considering driving situations using at least one effective control signal of a member or group of members of an automobile, the method: making an arbitration between different control strategies each corresponding to a driving context, each control strategy being marked with an identifier continuously calculating an optimal control signal corresponding to each of the strategies; continuously transmitting a value representative of the identifier of the selected strategy; detecting if a strategy identifier change has occurred; when a change is detected, generating a time function x(t) increasing from 0 to 1 over a finite time interval starting when the strategy change has been detected; when a strategy identifier change has been detected, transmitting, during at least one time interval following the identifier change, an effective control signal which is the sum of the optimal signal of the control strategy following the last identifier change weighed by the value x(t) and of the optimal signal of the control strategy preceding the last identifier change weighed by the value (1−x(t)). | 05-31-2012 |
| 20120132394 | COOLING DEVICE FOR AN AUTOMOTIVE VEHICLE - A cooling device for a motor vehicle, including a cooling circuit configured to cool an engine assembly using a liquid coolant circulated by at least one variable-flowrate pump, the flowrate of each pump being controlled by a control system. The control system is configured to control the flowrate of each pump in a closed-loop regulating system as a function of the temperature of the liquid coolant and of a setpoint temperature. | 05-31-2012 |
| 20120129066 | DEVICE AND METHOD FOR COOLING A THERMAL MEMBER IN AN AUTOMOBILE - A cooling device includes a main cooling circuit capable of adjusting the temperature of a thermal member, a secondary cooling circuit including a first assembly of at least two heat exchangers mounted in parallel, and a thermal coupling between the main cooling circuit and the secondary cooling circuit. The cooling device also includes a temperature sensor mounted in series on the secondary cooling circuit and downstream from the first assembly, and a control unit including an estimator to estimate, with a state monitor, the outlet temperature of each heat exchanger of the first assembly from the inlet temperature of a coolant at the inlet of each heat exchanger of the first assembly and from the values measured by the temperature sensor. | 05-24-2012 |
| 20120111654 | SECURE ARRANGEMENT FOR A BATTERY IN A MOTOR VEHICLE - An arrangement for a battery in a motor vehicle, including: a recess for the battery which is arranged in the vehicle; and a battery to be vertically inserted into the recess in a first mounting direction up to a mounted position. The recess includes at least one fixed blocking surface relative to the recess, which contacts the periphery of the battery in the mounted position for horizontally immobilizing the battery in every direction. | 05-10-2012 |
| 20120110831 | METHOD AND SYSTEM FOR REPLACING AN ENERGY CONTAINER SUPPLYING POWER TO A DRIVING ENGINE OF AN AUTOMOBILE - The invention relates to a method for replacing an energy container supplying power to a driving engine of an automobile resting on the ground and including a longitudinal axis, a transverse axis and a vertical axis, the replacement method including a first step of positioning the automobile relative to the ground without any action from the driving engine of the automobile, characterised in that said method includes a step of releasing the linking restraints linking the energy container to the automobile. | 05-10-2012 |
| 20120109441 | SYSTEM FOR CONTROLLING THE TORQUE APPLIED TO THE WHEELS OF A VEHICLE PROVIDED WITH AT LEAST ONE ELECTRIC MOTOR - A method for controlling torque applied to wheels of a vehicle including at least one electric motor connected to a battery and connected to at least one driving wheel. The motor is capable of operating as a generator for recharging the battery when the vehicle slows down. A first braking adjustment travel and a second acceleration adjustment travel are applied to the movement of the acceleration pedal of the vehicle, the braking adjustment travel being a continuously decreasing function relative to the charge of the battery. | 05-03-2012 |
| 20120098298 | REAR FLOOR FOR AN AUTOMOBILE AND AUTOMOBILE INCLUDING SUCH A FLOOR - A rear floor for an automobile, including a series of ribs punched into the metal sheet of the floor and extending in the longitudinal direction of the vehicle. At least one of the punched-in ribs is connected to an adjacent rib by a rib portion that is inclined relative to the longitudinal direction. | 04-26-2012 |
| 20120097489 | DEVICE FOR MOVING AND ATTACHING A COMPONENT BETWEEN TWO POSITIONS - A device for moving and attaching a component between an operating position in which the component is rigidly connected to a structure and a non-operating position below the operating position and in which the component is detached from the structure. The device includes: a frame rigidly secured to the ground and including vertical guiding columns; a lifting table for moving the component from the operating position to the non-operating position and vice versa, the lifting table being guided vertically along the guiding columns; a mechanism locking and unlocking the component on and outside the structure and rigidly connected to the lifting table; and an assembly of four cables associated with return pulleys, wherein one end of the cables is mounted to a winch that can raise and lower the lifting table between the non-operating position and the operating position, while the other cable end is rigidly connected to the lifting table. | 04-26-2012 |
| 20120091760 | ARRANGEMENT FOR A FRONT PORTION OF A MOTOR VEHICLE - An arrangement for a front portion of a motor vehicle, including at least one structural box element including two substantially longitudinal intermediate beams and two upper substantially longitudinal elements at an end of which is attached a transverse technical element and supporting parts of the vehicle, the front portion supporting at least two headlights of the vehicle, a bumper, and two abutments for closing an associated hood. The transverse element includes at least two opposing upper transverse arms extending from a central portion and an end of each of which is attached to the upper longitudinal elements and includes a mechanism attaching at least one attachment tab of an associated headlight, at least one attachment point of the bumper, and the hood-closing abutment. | 04-19-2012 |
| 20120086325 | HIGH VOLTAGE RESONATOR-AMPLIFIER WITH AN OPTIMIZED STRUCTURE FOR RADIOFREQUENCY IGNITION SYSTEM - A high voltage resonator-amplifier for a radiofrequency ignition system that can be used in an internal combustion engine, the resonator-amplifier including at least two electrodes, a coil arranged in alignment with the electrodes along a longitudinal axis, and a linking mechanism retaining the coil and the electrodes in a relatively fixed position. The coil is wound around a closed bend which in turn wraps around the longitudinal axis. | 04-12-2012 |
| 20120076569 | DEVICE FOR ENABLING THE LOCKING/UNLOCKING OF A MEMBER ON AND OUT OF A STRUCTURE - A device for enabling locking/unlocking of a member including a latch on/out of a structure including a housing for receiving an active portion of the latch, including: a cylindrical sheath coaxially receiving a first hollow rod capable of rotation relative to the revolution axis of the sheath and including an upper end capable of interaction with the latch of the member, and a second coaxial rod inside the first hollow rod, capable of rotation and translation respectively along and relative to the revolution axis of the sheath and including an upper end capable of interaction with the active portion of the latch so as to actuate the same into a functional locking or unlocking position; a mechanism for enabling rotation of each of the two rods relative to the sheath revolution axis independently from each other; and a mechanism for enabling rotation of the second rod. | 03-29-2012 |
| 20120067562 | COOLING DEVICE FOR AN AUTOMOTIVE VEHICLE - A cooling device for an automotive vehicle of electric type, the cooling device being able to be powered up or powered down and including a cooling circuit capable of cooling an engine assembly including an electronic driver system using a coolant, the cooling circuit being controlled by a control system capable of keeping the device powered up when the vehicle is at end of mission and the temperature of the coolant is above a threshold temperature. The electric vehicle includes a battery charger assembly, and the cooling circuit is capable of cooling the charger assembly and the engine assembly. | 03-22-2012 |
| 20120043786 | AUTOMOBILE COMPRISING A FRONT BUMPER WITH A CENTRAL PORTION EXTENDING AS FAR AS THE BONNET OF SAID VEHICLE - An automobile including a front cross-member, an attachment element arranged at the rear of the cross-member, a bonnet that closes off an engine compartment and including one free edge, and a front bumper mounted in front of the front cross-member and including a central portion that extends as far as the bonnet and includes a tab for attaching to the attachment element. The attachment tab includes a frangible area, located to the front of the attachment area and capable of breaking, and the frangible area is arranged next to an empty space formed in the compartment, with a view to having the central portion of the bumper bend into the empty space when the frangible area breaks. | 02-23-2012 |
| 20120040219 | SYSTEM FOR FIXING A BATTERY PACK AND ASSOCIATED AUTOMATED METHOD OF ASSEMBLY/DISASSEMBLY - The method and system for fixing a battery pack to a receptacle, the battery pack including a housing, with at least one fixing device for the housing to the receptacle, and including a rotating shaft with an alignment shape that can cooperate with a complementary shape on the receptacle, and a cavity for accepting a tool for rotational drive. A cam is driven in rotation by the shaft and includes an extension that can be introduced or removed to or from a housing in the receptacle. The receptacle is provided with a complementary shape and housing opposite each fixing device. A method for automated assembly/disassembly of a battery pack includes such a fixing system. | 02-16-2012 |
| 20120038188 | FRONT PROTECTIVE MOLDING FOR AN AUTOMOBILE COMPRISING A REINFORCED CENTRAL PORTION - A front protective molding for an automobile to be installed on a front of an automobile structure that includes a front cross-member, the protective molding including a central portion capable of extending above the front cross-member and including a reinforcement for the central portion that includes a cross beam. The cross beam is deformable when a force greater than a predetermined value is exerted thereupon and the reinforcement includes at least one substantially vertical deformable bearing column capable of supporting the cross beam, and is arranged substantially above or on the front cross-member. | 02-16-2012 |
| 20120030330 | SYSTEM FOR MANAGING WAKEUP AND SLEEP EVENTS OF COMPUTERS CONNECTED TO A MOTOR VEHICLE CAN NETWORK - A system for managing wakeup and sleep events of computers connected to a motor vehicle secondary CAN network, the secondary CAN network being connected to a main CAN network by a gateway. The system includes a master computer connected to the main CAN network and configured to manage the wakeup and sleep events of the computers through the exchange therewith of wakeup and sleep frames via the gateway. The gateway can: synthesize a single wakeup and sleep frame based on plural wakeup and sleep frames emitted by the computers, and emit the single frame to the master computer that is configured to interpret the frame. | 02-02-2012 |
| 20120029780 | METHOD FOR CONTROLLING A SPEED DIFFERENCE BETWEEN THE FRONT WHEELS AND REAR WHEELS OF A FOUR-WHEEL DRIVE VEHICLE - A method for controlling a speed difference between speed of wheels of a front axle and speed of wheels of a rear axle of a four-wheel drive vehicle. The method: determines an initial speed difference set point based on the speed of the vehicle; determines one or more intermediate speed difference set points based on one or more operational parameters of the vehicle; modulates the initial speed difference set point based on the intermediate speed difference set points to obtain a final speed difference set point; measures the speed difference and compares the measured speed difference with the final speed difference set point; and controls the measured speed difference, so that the measured speed difference reaches the final speed difference set point. | 02-02-2012 |
| 20120025484 | MOTOR VEHICLE ELASTIC SUSPENSION JOINT AND MOTOR VEHICLE STRUCTURE COMPRISING SUCH A JOINT - An elastic suspension hinge for an automobile, to be fastened to a fastening portion of a structure of the automobile via a clamping mechanism including a fastening element, the hinge being of type that includes an inner sleeve. At least one of the ends of the inner sleeve is configured to engage by conical fitting with the free end of a bushing rigidly connected to the fastening portion of the structure and having a longitudinal passage. | 02-02-2012 |
| 20120022753 | METHOD FOR ANTICIPATING DOWNSHIFTING AND FOR MONITORING AN AUTOMATIC TRANSMISSION - A method for anticipating downshifting upon uphill driving on a vehicle including an automatic transmission and including change laws imposing a change to a lower gear based on pre-established downshifting curves. The method imposes a change to the lower gear to the transmission independently from the gear set point established by the change laws when the acceleration that can be reached at the maximum torque on the current gear is lower than an acceleration threshold necessary for maintaining the vehicle speed. | 01-26-2012 |
| 20120016602 | METHOD AND DEVICE FOR DETERMINING THE PRESSURE UPSTREAM FROM THE TURBINE OF A SUPERCHARGING TURBOCHARGER OF A THERMAL ENGINE - A method for determining, in a turbocharger for supercharging a thermal engine including a turbine and a compressor, the pressure upstream from the turbine based on the inlet air flow, the pressure upstream from the compressor, the temperature upstream from the compressor, the pressure downstream from the compressor, the temperature upstream from the turbine, and the pressure downstream from the turbine. | 01-19-2012 |
| 20120013308 | INTERCONNECTION HOUSING FOR MOTOR VEHICLE - An interconnection housing for a motor vehicle, including connection terminals for a battery and connection terminals for an inverter. The housing includes connection terminals for an external electric power supply and outlets for connection to an AC electric motor, such that the battery can be recharged when the external power supply, the inverter, the electric motor, and the battery are all connected simultaneously to the interconnection housing. | 01-19-2012 |
| 20120007381 | GLASS FOR A VEHICLE DASHBOARD - A curved glass for a motor vehicle dashboard including a mechanism positioning the glass with respect to the dashboard of the vehicle and with respect to a reference point representing an upper observation point. A reference axis to be vertical when the glass is assembled on the vehicle includes the reference point. The glass includes a main portion having partially elliptical sections in vertical cross-sectional planes including the reference axis. Each of the elliptical sections has a first focus situated at the reference point of the glass. | 01-12-2012 |
| 20120004834 | DEVICE AND METHOD FOR CONTROLLING FUEL INJECTION IN AN ENGINE DEPENDING ON THE EXHAUST GAS PARTIAL RECIRCULATION RATE - A device for controlling fuel injection in an internal combustion engine of an automobile, the internal combustion engine being connected at an inlet thereof to a fresh air intake pipe and at an outlet thereof to an exhaust gas discharge pipe including a catalytic converter, an exhaust gas partial recirculation circuit connecting the discharge pipe to the fresh air intake pipe. The device includes a mechanism determining the amount of unburned fuel in the exhaust gases, a mechanism determining the amount of fresh air taken into the internal combustion engine, and an electronic controller determining the amount of fuel to be injected depending on signals received of the determined amount of unburned fuel and the determined amount of fresh air taken in. | 01-05-2012 |
| 20120004817 | METHOD AND SYSTEM FOR DIAGNOSING THE OPERATING STATUS OF AN ASSISTED START-UP MODE FOR A MOTOR VEHICLE - A method and system for diagnosing an operating status of an assisted start-up mode for a motor vehicle. The system includes a driving engine, a transmission including a mechanism determining a piece of engine rotation speed information, a piece of information on a position of an accelerator pedal of the vehicle, a piece of information on a position of a transmission, and a piece of information on torque transmitted to wheels, a detection mechanism producing a malfunction signal for the assisted start-up using the information received, a plurality of encoding mechanisms to produce a follow-up signal for each piece of calculated information received, and a memory saving the follow-up signals. | 01-05-2012 |
| 20120001446 | TRIM COMPONENT COMPRISING FASTENING MEANS - A trim component made of injection-molded plastic, including a substantially flat part directed along a reference plane, an internal face including at least one fastening mechanism, the fastening mechanism including a bridge of mid-plane, to support a clip and including two side walls opposite with respect to the mid-plane and joined together by a clip support wall. The side walls of the bridge includes, on their external faces, ribs, one end of which extends projecting from a plane defined by an edge of the side walls which is an opposite edge to the clip support wall, and is connected to the internal face of the trim component such that a space is created between the plane and the internal face of the trim component. | 01-05-2012 |
| 20110313687 | METHOD FOR PROCESSING A SIGNAL FROM A FLOW METER FOR MEASURING A GAS FLOW IN AN INTERNAL COMBUSTION ENGINE - A method for processing a signal from a flow meter for measuring a gas flow in an internal combustion engine includes processing the signal according to a first logic when the engine operates in a first intake mode and processing the signal according to a second logic when the engine operates in a second intake mode. The first intake mode includes the activation of a high-pressure EGR valve. The second intake mode includes the activation of a low-pressure EGR valve. | 12-22-2011 |
| 20110307193 | METHOD OF DYNAMICALLY ESTIMATING THE FRESH AIR FLOW RATE SUPPLIED TO AN ENGINE WITH HIGH-PRESSURE AND LOW-PRESSURE EGR CIRCUITS - A method of estimating fresh air flow rate entering an engine, for example a diesel engine, supercharged by a turbocharger, including at least one intake manifold of a volume, an exchanger, an air filter, a high-pressure EGR circuit, a low-pressure EGR circuit, an inlet butterfly, an exhaust butterfly, a flow meter, a pressure sensor, a temperature sensor, and a pipe between the flow meter and the inlet of the intake manifold. The method measures temperature, pressure and fresh air flow rate through the flow meter, calculates the engine flow rate, calculates the mass of gas between the flow meter and the inlet to the intake manifold, calculates the mass of gas in the manifold, measures or estimates the high-pressure EGR flow rate, calculates the flow rate of gas through the manifold, calculates the level of low-pressure EGR at the inlet manifold, calculates the mass of air between the flow meter and the inlet to the manifold, calculates the estimated level of EGR, and estimates the dynamic air flow rate from the engine flow rate and from the level of EGR at the inlet to the engine. | 12-15-2011 |
| 20110287895 | METHOD FOR ASSISTING WITH HILL MANEUVERS - A method for assisting with hill maneuvers for a vehicle, including a propulsion unit connected to the drive wheels by a gearbox and a clutch or torque converter, and an assisted parking brake. In the method a threshold breakaway torque is determined as a function of longitudinal forces between the wheels of the vehicles and the ground. During a degraded operation, when a signal corresponding to a characteristic of the slope is received that cannot be used and/or when a computer does not have available a signal characteristic of an engaged gear ratio, a threshold value for the breakaway torque is determined without taking account of an actual value of the characteristic of the slope and/or of the characteristic of the gear ratio. | 11-24-2011 |
| 20110284301 | ARRANGEMENT FOR MOUNTING A HEAT EXCHANGER ON A VERTICAL STRUCTURAL ELEMENT FORMING A MOTOR VEHICLE FRONT END PANEL - An arrangement for mounting a heat exchanger on a vertical structural element forming a motor vehicle front end panel. The heat exchanger includes a mechanism attaching it to the structural element that are formed by fingers, and the structural element includes housings respectively capable of engaging with the fingers. A locking mechanism is capable of at least longitudinally immobilizing the heat exchanger so as to lock it in a final vertical position corresponding to its use position. | 11-24-2011 |
| 20110278964 | VEHICLE WINDSHIELD WIPER MOTOR HAVING MULTIPLE ATTACHMENT POINTS, AND MOUNTING STRUCTURE FOR SAID MOTOR - A vehicle windshield wiper motor including an output shaft and an attachment device for attaching a mounting structure onto a tube, the attachment device including an attachment base and a plate. The base includes at least five attachment members for attaching parallel rods therebetween, three attachment members forming a first group being spaced around the output shaft of the motor, and two attachment members forming a second group being placed at a sufficient distance from at least one of the three attachment members of the first group to form a cavity capable of holding the tube, the cavity being closable by the plate. A mounting structure can mount such a windshield wiper motor. | 11-17-2011 |
| 20110276244 | METHOD FOR SECURING THE OPERATION OF AN AUTOMOBILE PROVIDED WITH HILL START ASSIST, AND SUCH AN AUTOMOBILE - Following an automobile start command, at least one condition is examined before a hill start assist is executed and if the condition is fulfilled, the execution of the hill start assist is prevented. | 11-10-2011 |
| 20110273057 | DEVICE AND METHOD FOR CONTROLLING A RESONANT ULTRASOUND PIEZOELECTRIC INJECTOR - A device for controlling a resonant ultrasound piezoelectric stage, including: a first stage of increasing a DC voltage to an intermediate DC voltage, a second modulation stage including an inductor connected to the intermediate DC voltage and a first switching transistor for selectively controlling a phase of charging the inductor and a phase of transferring the energy stored in the inductor in response to a first stream of command pulses, to generate an excitation voltage of the piezoelectric stage. The second stage includes a second switching transistor connected in series between the drain of the first transistor and a terminal of the inductor, suitable for limiting energy stored in the inductor during the charging phase in response to a second stream of command pulses, so as to reduce an amplitude of the excitation voltage. | 11-10-2011 |
| 20110272225 | AUTOMOTIVE VEHICLE BRAKING MANAGEMENT SYSTEM AND METHOD - A system for managing braking of an automotive vehicle including an assisted parking brake with at least one brake actuator capable of acting on at least one wheel of the vehicle and a mechanism applying the parking brake. The system includes a mechanism automatically increasing firmness with which the parking brake is applied after the vehicle engine stops, which includes a module that detects stopping of the engine and a module that commands an increase in the firmness of application. The module is configured to emit a signal characteristic of the stopping of the engine as a function of a status of the engine and of a status of an electrical supply. The module is configured to emit a signal demanding an increase in the firmness of application as a function of a status of the brake actuators and of signal characteristic of the stopping of the engine that comes from the module. | 11-10-2011 |
| 20110271736 | SYSTEM FOR DETERMINING A SETPOINT ASSOCIATED WITH THE POSITION OF A PEDAL IN AN AUTOMOBILE - A system for determining a setpoint associated with a position of a pedal in an automobile of type that includes two sensors each measuring a value associated with the pedal position. The system includes a mechanism capable of switching between a first and second state on a predetermined switching position of the pedal, and a mechanism generating the setpoint on the basis of the measures from the two sensors and of a current state of the switching mechanism. The generation mechanism is capable of selecting the measure corresponding to the smallest of the pedal positions when the switching mechanism is in the first state, and selecting the measure corresponding to the largest of the pedal positions when the switching mechanism is in the second state. | 11-10-2011 |
| 20110254494 | RAPID REVERSIBLE CHARGING DEVICE FOR AN ELECTRIC VEHICLE - A device for generating electric power of a traction system of a motor vehicle powered by a battery, including a first rectifier stage configured to be connected to a power supply network or to a load to be powered, a second inverter stage configured to be connected to the battery, a mechanism regulating average current flowing between the first stage and the second stage, and a controller controlling a transfer of electric power between the power supply network and the battery or the powering of a load. | 10-20-2011 |
| 20110254321 | ARRANGEMENT FOR REMOVING WATER FROM THE ROOF OF AN AUTOMOBILE - A device for a water-removing arrangement for an automobile, wherein the device is provided as an angled plastic part including a first end, connectable to a mechanism for inserting a metal sheet of an automobile, and a second end, connectable to a water removal pipe. | 10-20-2011 |
| 20110254286 | DEVICE FOR LOCKING AN OPENING PANEL OF A MOTOR VEHICLE - A device for locking a motor vehicle opening panel, and a latch designed for such a locking device. The opening panel includes an opening mechanism so that it can be moved between a closed position in which the opening panel closes off an opening in the roof of the vehicle, and an open position in which the opening panel at least partially uncovers the opening. The opening mechanism includes at least one link rod, a first end of which is articulated to the vehicle about a first fixed transverse axis and a second end of which is articulated to the mobile opening panel about a second transverse axis. The opening panel is mounted to pivot about a third transverse axis able to move longitudinally with respect to the roof. The locking device includes a latch including a base fixed to the opening panel and including a throat configured to accept a fist striker in the closed position and a second striker in the open position. At least one of the strikers is mounted to move relative to the latch and relative to the vehicle. | 10-20-2011 |
| 20110247783 | AUTOMOBILE WITH ELECTRIC MOTOR COMPRISING A COOLING CIRCUIT FOR THE ELECTRONIC POWER CIRCUIT CONNECTED TO A HEATING RADIATOR OF THE PASSENGER COMPARTMENT - An automobile including an electric motor, a passenger compartment, an electronic power circuit, and a cooling circuit for the electronic power circuit, in which a coolant flows and which includes: a heat exchanger configured to discharge calories carried by the coolant to outside of the vehicle; a heating radiator provided upstream from the exchanger and configured to transfer the calories carried by the coolant to air in the passenger compartment; and an adiabatic tank configured to store at least a fraction of the coolant flowing in the cooling circuit. | 10-13-2011 |
| 20110247599 | DEVICE FOR MEASURING THE IONIZATION CURRENT IN A RADIOFREQUENCY IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A device for radiofrequency ignition of an internal combustion engine, including a power supply circuit including a transformer with a secondary winding connected to at least one resonator that has a resonant frequency in excess of 1 MHz and including two electrodes configured to generate a spark to initiate combustion of a combustible mixture in a cylinder of the engine in response to an ignition command. A measuring capacitor is connected in series between the secondary winding and the resonator, a measurement circuit measures a current at terminals of the measuring capacitor, the current providing an electrical image of how combustion is progressing, and a protection circuit is connected between the capacitor and the measurement circuit and is configured to spare the current measurement acquisition time from electrical effects caused by the ignition command. | 10-13-2011 |
| 20110240829 | ARRANGEMENT FOR MOUNTING THE FRONT TECHNICAL SURFACE OF A VEHICLE - An arrangement for mounting a substantially vertical mechanical element, as a technical front surface, on a structural transverse element of bodywork of a vehicle such as an upper crossbar, the mechanical element including at least one substantially horizontal portion or structural nozzle bearing on an upper surface of the crossbar. The arrangement includes at least one carrier plate for the mechanical element which is slid under the bodywork of the vehicle and then mounted vertically. The plate includes a yoke for receiving the vertical mechanical element and which is capable of holding the element between at least one vertical position inclined towards the front and a vertical position. | 10-06-2011 |
| 20110240253 | ARRANGEMENT FOR ATTACHING A FIRST COOLING DEVICE ON A SECOND COOLING DEVICE IN AN INTERNAL COMBUSTION ENGINE - An arrangement for attaching a first cooling group for cooling an internal combustion engine of an automobile, the group including a first device for cooling an engine coolant and a second device for cooling supercharging air. The first device is capable of interacting with the second device through shape cooperation so that the second cooling device assumes an intermediate retaining position on the first cooling device, and the first device can be automatically locked onto the second device by elastic fitting so that the second device assumes a final locked position on the first device. | 10-06-2011 |
| 20110233313 | FLUID INJECTION DEVICE - An injection device for injecting pressurized fluid includes a housing, an actuator, and an energizing unit. The housing includes at least one axial cavity filled with pressurized fluid. The actuator includes a stack with a first transverse face extended axially by a penetrating member and a second transverse face axially opposite the first. The stack includes at least one electroactive part including an electroactive material. The member includes a piston engaged in the cavity and forming a fluidic connection between the actuator and the housing. The energizing unit sets the electroactive part of the actuator in vibration with a set period τ. The penetrating member includes an axial length such that the propagation time T of the acoustic waves produced by the vibrations of the electroactive part of the actuator and traveling along this length satisfies the following equation: T= | 09-29-2011 |
| 20110232590 | COOLING CIRCUIT FOR THE THERMAL REGULATION OF AN ENGINE INDEPENDENT FROM OTHER CONSUMERS - A thermal regulation device for a cooling system of an engine that includes a pump positioned upstream from a cooling housing of the engine and at least one consumer requiring permanent cooling. The device includes a main pipe for circulating coolant through the cooling housing and a secondary pipe bypassing the cooling housing. A two-way valve is positioned on the main pipe at the outlet of the cooling housing of the engine, and the secondary pipe includes a tapping on the main pipe downstream from the pump and upstream from a portion of the main pipe used for cooling the engine so that the flow is maintained at a constant and permanent level for ensuring the cooling of the at least one consumer. | 09-29-2011 |
| 20110213542 | METHOD OF CONTROLLING AN INTERNAL COMBUSTION ENGINE AND CORRESPONDING INTERNAL COMBUSTION ENGINE - A method of controlling an internal combustion engine that includes an exhaust line fitted with a particulate filter, the method including: a) acquiring a charge parameter relating to a fill level of the particulate filter, b) comparing the charge parameter with at least one determined threshold, and c) bringing the internal combustion engine to a set operating point determined as a function of various criteria of differing levels of importance. Prior to c) and with one of the criteria being the mass flow rate of particles entering the particulate filter, a constraint level coefficient is determined as a function of the result of the comparing b) and applied to the particulate mass flow rate to weight importance of this criterion in determining the engine operating point. Thus, the engine is controlled taking account of the fill level of the particulate filter, making it possible to optimize a compromise between constraint on the particulate flow rate through the exhaust line and other engine control constraints. | 09-01-2011 |
| 20110203543 | MONITORING OF THE EXCITATION FREQUENCY OF A RADIOFREQUENCY SPARK PLUG - A radiofrequency plasma generating device, including: a control module generating a control signal at a control frequency, a power supply circuit including a breaker switch controlled by the control signal, the breaker switch applying an excitation signal to an output of the power supply circuit at the control frequency defined by the control signal, a resonator exhibiting a resonant frequency of greater than 1 MHz, connected to the output of the power supply circuit and adapted to generate a voltage for making a spark when it is excited by the excitation signal, and a mechanism monitoring the control module and configured to modify the frequency of the resonator excitation signal in a manner synchronous with the control signal, during application of the excitation signal. | 08-25-2011 |
| 20110202249 | METHOD OF RELEASING THE BRAKES OF A MOTOR VEHICLE FITTED WITH AN ASSISTANCE DEVICE FOR STARTING ON A SLOPE, SUCH AN ASSISTANCE DEVICE, AND MOTOR VEHICLE COMPRISING IT - A method of releasing brakes of a motor vehicle including: if no vehicle start command takes place, after manual application of the vehicle brakes in a position to immobilize the vehicle when at rest is over, an assistance device progressively releases the brakes according to a suitable control scheme configured to make the vehicle move under its own weight, generally tending towards predetermined non-zero speed and acceleration conditions, and then, when the predetermined conditions are considered to have been reached, the assistance device stops releasing the brakes. | 08-18-2011 |
| 20110202245 | METHOD FOR ASSISTING WITH HILL STARTS - A method for assisting a motor vehicle with a hill start, the motor vehicle having previously been held stationary when parked by a brake. The method measures inclination of the vehicle, previously establishes a map between engine torque and engine speed, defines, within the map, an authorized zone and a forbidden zone, provides a vehicle engine speed value, provides a vehicle engine torque value, deduces from these coordinates of the engine operating point within the map, and releases the brake automatically only if the coordinates of the operating point lie within the authorized zone of the map. | 08-18-2011 |
| 20110197704 | YOKE FOR PEDAL ASSEMBLY WITH SCRAPER RING - A pedal assembly yoke connected to a vehicle bulkhead, the yoke carrying a shaft on which are mounted at least one pedal and at least one ring, the ring located so as to be adjacent to a universal joint of a steering column of the vehicle. A vehicle can include such a yoke. | 08-18-2011 |
| 20110190979 | METHOD AND SYSTEM FOR DIAGNOSING THE OPERATING STATE OF AN ASSISTED STARTING SYSTEM OF A MOTOR VEHICLE - A method of diagnosing an operating state of an assisted starting system of a motor vehicle equipped with a controlled parking brake, the method including calculating at least one item of vehicle information, generating at least one item of validity information associated with the vehicle information, recording in a non-volatile memory vehicle information and associated validity information during a command to disengage the parking brake, and providing at least one item of diagnostic information from a verification of the validity of the recorded information. | 08-04-2011 |
| 20110190975 | METHOD AND DEVICE FOR DETECTING LOSS OF PRESSURE IN A TIRE - A method for monitoring the pressure in a tire of a vehicle wheel, including measuring the wheel speed, to detect a loss of pressure using inexpensive components, and to produce a highly robust diagnosis due in particular to: calculating a first sum of the speeds of the left front wheel and right rear wheel and a second sum of the speeds of the right front wheel and left rear wheel, calculating a difference equal to the first sum minus the second sum, and comparing an absolute value of the difference with a threshold, such that an absolute value greater than the threshold denotes detection of a loss of pressure in one of the tires. | 08-04-2011 |
| 20110189524 | BATTERY PACK FOR AN ELECTRIC POWERTRAIN VEHICLE - A battery pack includes at least a first stack of battery modules, and a second stack of battery modules, each stack including a plurality of battery modules arranged in parallel in side by side relationship extending in a longitudinal direction, the battery pack further including at least one heat exchanger interposed between the first and second stacks, the heat exchanger being in thermal contact with interstack coupling surfaces extending in a longitudinal and transversal plan [L-T] of the battery modules. The invention also relates to a corresponding heat exchanger. | 08-04-2011 |
| 20110187185 | ELECTRIC TRACTION CHAIN FOR AN AUTOMOBILE - The invention relates to an electric traction chain ( | 08-04-2011 |
| 20110186400 | DEVICE FOR BLOCKING THE OUTPUT SHAFT OF THE ENGINE OF AN AUTOMOBILE - A system for blocking an output shaft of the engine of an automobile, of a type that includes a toothed wheel coaxially mounted on the shaft, and a first finger mobile between a shaft releasing position and a shaft blocking position in which the first finger is engaged in a gap formed between two teeth of the wheel. The system includes an alignment mechanism capable of aligning a gap between two teeth of the wheel and the first mobile finger, and the first mobile finger is configured to be inserted into the gap without any substantial circumferential clearance. | 08-04-2011 |
| 20110185115 | METHOD AND DEVICE FOR PERFORMING DIAGNOSTICS ON A MOTOR VEHICLE MANAGEMENT SYSTEM - A device for recording data emitted from a motor vehicle management system, including a volatile memory, a non-volatile memory, and a data recording module configured to receive a signal concerning activation status emitted by the management system and to record the data in a first zone of the volatile memory on a rising edge of the activation status signal and in a second zone of the volatile memory on a falling edge of the activation status signal, and including a record management module configured to receive the activation status signal and to activate a command to record on a falling edge with the activation status signal, the recording module being further configured to receive the record command and to record the content of the two zones of the volatile memory into a zone of the non-volatile memory when the record command is activated. | 07-28-2011 |
| 20110178692 | METHOD FOR CONTROLLING THE FLOW OF A COOLING LIQUID - A method for controlling flow of a cooling liquid in a combustion engine, including a casing and a water pump. A material temperature estimate, corresponding to the hottest point in the casing, is carried out from a stored power calculation calculated by a restored power integral corresponding to power restored to the cooling liquid if the cooling liquid were set in motion. | 07-21-2011 |
| 20110178685 | DEVICE FOR EVALUATING THE TRANSVERSE ACCELERATION OF AN AUTOMOBILE VEHICLE AND CORRESPONDING METHOD - A device for evaluating the transverse acceleration of a motor vehicle measures the rotational speeds of two wheels of the vehicle, estimates the transverse acceleration of the vehicle from these speeds, and calculates, as a function of vehicle operating parameters, particularly of the rotational speeds of the wheels and of the transmission ratio engaged, a Boolean slip variable which is negative if the transverse estimated acceleration is relevant for detecting a bend, and which is positive if the reverse is true. | 07-21-2011 |
| 20110174424 | DEVICE AND METHOD FOR ATTACHING AN OPENING LEAF TO THE BODY OF A MOTOR VEHICLE - A device for attaching a door leaf to an automobile body including: at least one plate combined with at least one hinge of the door leaf and mounted on a framework of the door leaf so that at least one screw connected to the plate interacts with a hole combined with the hinge and protrudes through the door leaf framework; a bonding mechanism provided between each plate and the door leaf framework, for making the position of each plate on the framework permanent during a paint processing of the door leaf framework; and an adjustable attachment mechanism for each plate so that each plate is mounted on the door leaf framework with a sliding mounting clearance for adjusting the position of each plate relative to the framework when the door leaf is mounted on the automobile body and before the paint processing. | 07-21-2011 |
| 20110163673 | DEVICE FOR GENERATING RADIOFREQUENCY PLASMA - A device for generating a radiofrequency plasma, that includes a voltage generator, and at least one ignition assembly that includes an ignition plug and a switch provided between a supply terminal of the plug and an output of the generator adapted for electrically connecting the output of the voltage generator to the plug upon reception of a control signal, and an electronic control unit generating the control signal. The electronic control unit measures values representative of evolution in time of the output voltage of the generator. The device further includes a mechanism varying the voltage and/or the frequency of the electric current applied to the supply terminal of the plug based on measured values. The evolution of the generator output voltage is representative of the condition of the plug (new or used). | 07-07-2011 |
| 20110158995 | Multi-Specific Binding Proteins Targeting B Cell Disorders - This disclosure provides a multi-specific fusion protein composed of a CD72-ligand binding domain and another binding domain specific for a heterologous target, such as a B-cell specific protein. The multi-specific fusion protein may also include an intervening domain that separates the other domains. This disclosure also provides polynucleotides encoding the multi-specific fusion proteins, compositions of the fusion proteins, and methods of using the multi-specific fusion proteins and compositions. | 06-30-2011 |
| 20110155491 | SIDE CONVERGER FOR VEHICLE FRONT FACE STRUCTURE, CORRESPONDING FRONT FACE STRUCTURE, AND METHOD FOR ASSEMBLING SUCH A STRUCTURE - A side diffuser for a vehicle front surface structure, the vehicle front surface structure, and a method for assembling such a structure. The side diffuser guides air entering through air inlets from bumpers of the vehicle to heat exchangers located in front of the engine. The diffuser includes a plate, the back edge of which supports the heat exchangers and the front edge of which supports the bumpers and includes a recess capable of receiving the front crosspiece end of the vehicle. The back side of the diffuser includes: a pivoting axis capable of engaging with a corresponding receiving part provided on the heat exchangers, and an attaching part capable of engaging with a corresponding attaching part provided on the heat exchangers after one rotation of the side diffuser around pivoting axis. | 06-30-2011 |
| 20110148153 | AUTOMOBILE BODY INCLUDING A BEARING FOR A BUMPER-FORMING MEMBER AND AN AIR INTAKE DUCT TO THE ENGINE - An automobile body for receiving a bumper-forming member and including: a front crossbar; a pair of bearings for the bumper-forming member; and an air intake duct into the engine, the duct including an open end through which the outside air enters the duct. One of the bearings includes a protection portion of the open end, wherein the protection portion is provided in close proximity to the open end, covers the open end, and extends along a portion of the duct, while a gap is provided between the protection portion and the duct so that the air can flow into the duct through the open end. | 06-23-2011 |
| 20110146816 | DEVICE FOR DISINFECTING A MOTOR VEHICLE AIR-CONDITIONING SYSTEM - The invention relates to a device ( | 06-23-2011 |
| 20110144880 | MOTOR VEHICLE REGENERATIVE BRAKING METHOD - A regenerative braking method for a motor vehicle, in which the regenerative braking action is applied progressively, a rate of application of the braking action being dependent on a speed of the motor vehicle. | 06-16-2011 |
| 20110144830 | VEHICLE CONTROL DEVICE AND METHOD - A vehicle control device and method. To reduce consumption, the device and method test the state of each member used to input a command or interpret the wishes of the driver with the aid of a computer that is dedicated to each electricity-consuming resource. According to the device and method, when the engine is stopped, the accessories are no longer started up by pressing the start button. | 06-16-2011 |
| 20110139527 | MOTOR VEHICLE BATTERY SUPPORTING STRUCTURE - A motor vehicle battery supporting structure configured to be attached and fixed to the body structure of this vehicle, and to carry a battery in a form of a frame to surround the battery, the frame having in its center an opening suitable for insertion of the battery, and a first battery locking mechanism is provided on the frame so as to allow the battery to be locked to and unlocked from the frame. | 06-16-2011 |
| 20110139135 | POWER SUPPLY CONTROL FOR SPARK PLUG OF INTERNAL COMBUSTION ENGINE - A method for controlling the power supply of a radiofrequency spark plug in an internal combustion engine up to an electric voltage sufficient for generating a highly branched spark. To this end, the electric voltage for powering the spark plug is increased step by step up to an adequate voltage adapted for ignition. | 06-16-2011 |
| 20110132332 | FUEL ADAPTATION FOR IC ENGINE - A method for controlling an automotive internal combustion engine ( | 06-09-2011 |
| 20110130909 | SYSTEM AND METHOD FOR CONTROLLING A FOUR WHEEL DRIVE VEHICLE - The invention relates to a four wheel drive hybrid vehicle provided with at least one power train on each wheel set, a first power train ( | 06-02-2011 |
| 20110125364 | METHOD AND SYSTEM FOR DIAGNOSING A MALFUNCTION OF AN AUTOMOBILE - A method for diagnosing a malfunction in an automobile that uses a diagnosis tool and an analysis of data or control instructions provided by a calculation module assembly onboard the vehicle and converting the operation of a set of functional members of the vehicle by dynamically displaying the values of the data or the links to the controls within the display of the diagnosis method. The method includes: developing an enriched display structure of the vehicle operation control; developing a list of control data to be refreshed; recovering the refreshed control data from the respective calculation modules; and developing a final display from the enriched display structure and the refreshed control data; wherein the developing an enriched display structure, the list of data to be refreshed, and the recovering the refreshed data and of developing the final display are carried under control of a supervision module. | 05-26-2011 |
| 20110125355 | SYSTEM AND METHOD FOR CONTROLLING THE CHANGE IN MODE OF AN INFINITELY VARIABLE TRANSMISSION IN PURELY ELECTRIC MODE - A system for controlling change in mode of an infinitely variable transmission including a first operation mode at high torque at high speed and a second operation mode at high torque at low speed, fitted to a motor vehicle that includes at least two electric machines, with at least one internal combustion engine. The infinitely variable transmission connected mechanically to the electric machines and to the internal combustion engine determines the internal combustion engine rotation speed setpoint; calculates the difference between the internal combustion engine rotation speed setpoint and the internal combustion engine rotation speed measurement; determines torque of the first electric machine to determine a torque setpoint for the first electric machine as a function of the difference between the rotation speed setpoint of the internal combustion engine and the measured rotation speed of the internal combustion engine; determines a torque setpoint for the second electric machine as a function of the torque setpoint of the first electric machine and the driver's demand for torque. The control system can control the second electric machine so that the change in mode can be performed while the vehicle is being propelled, before and after the change in mode, under sole action of at least one electric machine. | 05-26-2011 |
| 20110121611 | PLASTIC SCUTTLE GRILLE FOR VEHICLE WITH DETACHABLE PART - A plastic scuttle grill for a vehicle, including at least one fixed part to be attached rigidly to the vehicle, and at least one removable part including at least one mechanism of reversible attachment configured to engage with a corresponding attachment mechanism on the fixed part of the scuttle grill so that the removable part can be attached to or detached from at least one fixed part of the grill. | 05-26-2011 |
| 20110118962 | METHOD FOR CONTROLLING THE STARTER OF A COMBUSTION ENGINE AND APPLICATION THEREOF - A method for controlling actuation of a control device to be integrated into a starter of a combustion engine. The device includes a solenoid controlling a position of a starter sprocket capable of being inserted into a ring gear kinematically connected to a crankshaft of the engine. The sprocket can be driven by an electric motor of the starter by closing a first switched power line between a battery and the starter. The device includes an auxiliary relay and at least one power resistor mounted in series, thus forming a second switched power line parallel to the first switched line for powering, with a supply current lower than the maximum current, the electric motor of the starter driving the sprocket. The method switches the auxiliary relay to accelerate the sprocket of the starter, determines rotation speed of the ring gear, determines duration of the acceleration phase of the sprocket, inserts the sprocket of the starter into the engine ring, switches the first switched power line, withdraws the sprocket of the starter from the engine ring, and cuts any power supply to the electric motor of the starter. | 05-19-2011 |
| 20110115457 | METHOD OF CONTROLLING OF A SWITCHED-MODE POWER SUPPLY AND CORRESPONDING POWER SUPPLY - A method of controlling a switched-mode power supply and corresponding power supply including a switching cell including two series-connected configurable on/off switches; in which the switching cell is configured cyclically: for a duration T1, in an on state, in which a first on/off switch is closed and the second on/off switch is open; and, for a duration T2, in an off state, in which the second on/off switch is closed and the first on/off switch is open. The switching cell is also configured in a transition state, in which the first on/off switch and the second on/off switch are open: for a duration Tm1 between the off state and the on state; and for a duration Tm2 between the on state and the off state; and the durations T1 and/or T2 of the on and off states are determined according to the durations Tm1 and/or Tm2, respectively, of the transition states. | 05-19-2011 |
| 20110112745 | SYSTEM AND METHOD FOR CONTROLLING THE FRESH AIR AND BURNT GASES INTRODUCED INTO AN INTERNAL COMBUSTION ENGINE DURING TRANSITIONS BETWEEN THE PURGING OF A NITROGEN OXIDES TRAP AND THE REGENERATION OF A PARTICULATE FILTER - Method for controlling the power plant of a motor vehicle with partial exhaust gas recirculation in which the fresh air flow rate and the partially recirculated gases flow rate are regulated either on a rich mixture control structure or on a lean mixture control structure and in which the flow rates are set, on the rich mixture control structure, to the setpoint values equal to the flow rate setpoint values of the lean mixture control structure during a transition from a rich mixture control structure to a lean mixture control structure. | 05-12-2011 |
| 20110101715 | ARRANGEMENT FOR REINFORCING A MOTOR VEHICLE BUMPER - A structural arrangement of a motor vehicle, of type including a cabin and a loading bed, between which a substantially vertical partition extends, of type including a cabin floor that extends at a first height, and a loading floor of the bed that extends at a second height that differs from the first height of the cabin floor, and of type including a hollow body that stiffens the structure and extends substantially vertically between the first height of the cabin floor and the second height of the loading floor. The hollow body includes two substantially vertical structural elements, and the first structural element is formed by the lower portion of the partition. | 05-05-2011 |
| 20110100739 | CONTROL SYSTEM FOR A HYBRID PROPULSION UNIT FOR RECHARGING A BATTERY - A control system for a hybrid propulsion group with power bypass for an automobile including at least two driving wheels. The system includes a thermal engine, a battery, a braking system for the driving wheels, a mechanism detecting a condition of the braking system, and an infinitely variable transmission including at least two electric machines and at least two epicyclic gear chains. The thermal engine is mechanically connected with the infinitely variable transmission via a first epicyclic gear chain, the infinitely variable transmission being mechanically connected to the driving wheels via a second epicyclic gear chain. The control system is capable of controlling the thermal engine and the two electric machines so that torque supplied by the thermal engine is converted into energy by the two electric machines used as generators for recharging the battery after receiving a signal from the mechanism detecting the condition of the braking system indicating the braking system is activated. | 05-05-2011 |
| 20110100092 | METHOD OF DETERMINING THE FUEL CONTENT IN A COMBUSTION ENGINE LUBRICATING OIL - The invention relates to a device and to a method for determining the proportion of fuel in a combustion engine lubricating oil. The device according to the invention comprises a column ( | 05-05-2011 |
| 20110094470 | COMBUSTION ENGINE COMBUSTION CHAMBER - A piston for an internal combustion engine, for example a diesel engine, including a body delimited laterally by a skirt and configured to collaborate with walls of a cylinder of axis of revolution C in which the piston can slide along the axis C, the piston including a transverse face including a central pip, a peripheral ring, and a bowl of axis of revolution B that extends from the central pip towards the peripheral ring to which it connects at a lip of thickness Ep, the bowl including, in substantial vertical alignment with the lip, a torus in profile, for example of dome-shaped, of maximum radius capable of guiding fuel injected under the lip in the region of a re-entrant zone towards the central pip. The tip of the central pip exhibits a flattened region centred on the axis of revolution B of the bowl, of a width Lt ranging between 0 mm and 5 mm, or substantially equal to 2.5 mm. | 04-28-2011 |
| 20110089718 | STRUCTURAL ARRANGEMENT OF A MOTOR VEHICLE - A structural arrangement of a motor vehicle, of a type including a cabin and a loading bed, between which a substantially vertical partition extends, of a type including a cabin floor that extends at a first height, and a loading floor of the bed that extends at a second height that differs from the first height of the cabin floor, and of a type including a hollow body that stiffens the structure and extends substantially vertically between the first height of the cabin floor and the second height of the loading floor. The hollow body includes two substantially vertical structural elements, and the first structural element is formed by the lower portion of the partition. | 04-21-2011 |
| 20110087400 | METHOD AND DEVICE FOR DIAGNOSING A CONTROL SYSTEM USING A DYNAMIC MODEL - A system for diagnosing operation of a control system of at least one automobile driving parameter using a dynamic model, which includes a mechanism that stores on a non-volatile memory the input and output data of the system during the operation, adapted to store the data at a sampling frequency lower than the system sampling frequency, and including a dynamic model that can be stimulated by the stored input data to determine the reconstituted output data, and a comparison mechanism that compares the reconstituted output data with the stored output data for consistency diagnosis. | 04-14-2011 |
| 20110073058 | HIGH-VOLTAGE GENERATOR DEVICE - A high-voltage generator device, including an inductive-capacitive resonator capable of producing a high voltage, a mechanism generating a high-frequency control pulse train, a voltage source, a capacitor, and a voltage generator including a switching transistor, the control electrode of which is connected to the output of the mechanism generating the high-frequency control pulse train, the source of the switching transistor being connect to ground, and the drain of the switching transistor being capable of delivering a voltage pulse train to the inductive-capacitive resonator in response to the control pulse train received on the control electrode of the switching transistor. The drain of the switching transistor is connected to the inductive-capacitive resonator via an isolating transformer, the isolating transformer being connected in parallel with a capacitor, the isolating transformer also being connected to the voltage source. | 03-31-2011 |
| 20110060489 | METHOD AND SYSTEM FOR CONTROLLING A POWER UNIT WITH POWER BYPASS - A method for controlling a hybrid power unit with power bypass for an automobile including at least two driving wheels, wherein the power unit includes a thermal engine, at least two electric machines, and an infinitely variable transmission mechanically connecting the thermal engine, the two electric machines, and the driving wheels. In the method, an initially stopped thermal engine is brought, in an independent manner and in plural operation phases, to a rotation speed that is sufficient for participating in propulsion of the vehicle, the vehicle moving under action of the electric machines. | 03-10-2011 |
| 20110059824 | MODE CHANGING DEVICE FOR A POWER BRANCHING TRANSMISSION - A device for changing the mode of a power-branching transmission, that includes a casing to be connected to the transmission, an epicyclic train with three inputs, a mechanism blocking a first input relative to the casing that can be selectively actuated to establish a first operation mode of the transmission, and a kinematic chain provided with a connection mechanism connecting the first input with a second input, when the connection mechanism is actuated, to establish a second operation mode of transmission. The kinematic chain includes at least one meshing between two gears. | 03-10-2011 |
| 20110049854 | ASSEMBLY FOR MOUNTING A STEERING WHEEL ON THE STEERING COLUMN OF AN AUTOMOBILE - An assembly for mounting a steering wheel on the steering column of an automobile, the assembly including first flutes formed at the steering wheel and adapted to be fitted into second flutes extending along the steering column and a fastening screw adapted for engagement through the steering wheel and for interaction with a tapping formed axially at the end of the steering column. Once inserted through the steering wheel, the fastening screw can be screwed into the tapping if and only if the first flutes and the second flutes are at least partially engaged. | 03-03-2011 |
| 20110048364 | COMBUSTION CHAMBER FOR A SUPERCHARGED DIRECT-INJECTION COMBUSTION ENGINE - A piston for an internal combustion engine, for example a diesel engine, including a body delimited laterally by a skirt and configured to collaborate with walls of a cylinder of axis of revolution C in which the piston can slide along the axis C, the piston including a transverse face that includes a central pip, a peripheral ring, and a bowl of axis of revolution B that extends from the central pip towards the peripheral ring to which it connects at a lip of thickness Ep. The bowl includes, in substantial vertical alignment with the lip, a torus in profile, for example of a dome-shaped, of maximum radius Rt capable of guiding fuel injected under the lip in a region of a re-entrant zone R towards the central pip. The tip of the pip lying on the axis of revolution B of the bowl rises to a height that is a distance Dt of between 5.4 mm and 8 mm, or substantially equal to 7.2 mm, below the level of the peripheral ring. | 03-03-2011 |
| 20110048355 | OPTIMIZATION OF THE EXCITATION FREQUENCY OF A RADIOFREQUENCY PLUG - A device for generating a radiofrequency plasma, which includes a supply module applying, on an output interface, an excitation signal at a setpoint frequency, adapted for generating a spark at the output of a plasma-generation resonator connected to the output interface of the power module, and a control module supplying the setpoint frequency to the power module upon a command for generating the radiofrequency plasma. The control module is configured to determine an optimal excitation frequency, to adapt the setpoint frequency to the resonance conditions of the device after formation of the spark. | 03-03-2011 |
| 20110046862 | DEVICE AND METHOD FOR DETERMINING A MAPPING OF THE TORQUE TRANSMITTED BY A CLUTCH IN AN AUTOMOBILE AND HILL-START ASSISTANCE SYSTEM FOR AN AUTOMOBILE EQUIPPED WITH SUCH DEVICE - A device for determining, when driving a vehicle, a mapping of torque transmitted by a clutch of the automobile based on a position of a clutch control member. The device includes a mechanism updating the mapping based on position thresholds of the clutch control member. The updating modifies values of the thresholds based on minimum and maximum values of the positions of the control member stored in the mapping and on current values of the thresholds. | 02-24-2011 |
| 20110043000 | MOTOR VEHICLE FLOOR COMPRISING LOCALLY REINFORCED RAILS - The invention relates to an automobile floor ( | 02-24-2011 |
| 20110041794 | COMBUSTION CHAMBER FOR A DIRECT-INJECTION SUPERCHARGED COMBUSTION ENGINE - A piston for an internal combustion engine, for example a diesel engine, including a body delimited laterally by a skirt and configured to collaborate with walls of a cylinder of axis of revolution C in which the piston is configured to slide along the axis C. The piston includes a transverse face including a central pip, a peripheral ring, and a bowl of axis of revolution B extending from the central pip towards the peripheral ring to which it connects at a lip. The bowl includes, in substantial vertical alignment with the lip, a torus in profile, for example dome-shaped, of maximum radius capable of guiding fuel injected under the lip in a region of a re-entrant zone towards the central pip. The tip of the pip lying on the axis of revolution B of the bowl rises to a height that is a distance of between 4.8 mm and 5.5 mm, or equal to 5.4 mm, below the level of the peripheral ring. | 02-24-2011 |
| 20110040444 | METHOD OF MANAGING MALFUNCTIONS OF A MODULAR-ARCHITECTURE CONTROL SYSTEM OF A MOTOR VEHICLE POWER PLANT AND CORRESPONDING CONTROL SYSTEM - A method of managing information interchanged within a modular-architecture control system of a motor vehicle power plant and values of which are liable to be affected by malfunctioning of the control system and/or of the power plant. In the method an indication of the validity of the value of the information is allocated to each of the information items, this indication of validity being formulated by a module that generates the information on the basis of input indications received by the generating module and representative of a potential malfunctioning of this generating module or of another module. | 02-17-2011 |
| 20110034331 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An exhaust gas purifying catalyst including: a plurality of first compounds | 02-10-2011 |
| 20110030665 | METHOD FOR DIAGNOSING THE CONDITION OF AN ENGINE FUEL SUPPLY SYSTEM - A method for diagnosing a condition of a system for supplying fuel to a fuel injected controlled-ignition internal combustion engine, of a type including an electric control device that makes use of an oxygen probe for closed-loop regulation of a value of an air/fuel ratio admitted to the combustion chambers of the engine, and according to which a signal delivered by the oxygen probe is analyzed, the method a) deducing from the signal a change in injection time correction factor ALPHACL_MEAN making it possible to regulate richness of exhaust gases leaving the engine; b) comparing ALPHACL_MEAN against predetermined minimum and maximum threshold values THRESHOLD_MIN and THRESHOLD_MAX; c) diagnosing a defective condition when ALPHACL_MEAN is outside of a window included between THRESHOLD_MIN and THRESHOLD_MAX. | 02-10-2011 |
| 20110030464 | DEVICE AND METHOD FOR ESTIMATING THE INFLATION STATE OF A TIRE - A device for estimating an inflation state of a tire of at least one wheel of an automobile, that includes a memory storing a reference signature including a periodic signal corresponding to an inflation and to reference running conditions; a mechanism determining a current signature including a periodic signal corresponding to an inflation and to current running conditions; a mechanism comparing the current signature and the reference signature, and capable of outputting a signal based on the deviation between the current signature and the reference signature. | 02-10-2011 |
| 20110029223 | METHOD FOR DETECTING ELECTRIC POWER BLIPS AND MANAGING THE OPERATION OF A MOTOR - The present invention relates particularly to a method for detecting electric power blips during transmission of an electric signal representative of a magnitude detected by a sensor ( | 02-03-2011 |
| 20110023827 | FLUID INJECTION DEVICE - An injector including a nozzle that includes an opening and a seat, a needle movably mounted in the nozzle and having an end defining a valve in a contact area with the seat, a mechanism for vibrating the valve, a first acoustic-impedance breaking area at a first distance from the valve along the nozzle, and another first acoustic-impedance breaking area at a second distance from the valve along the needle. Each of the first and second distances is such that the respective propagation time of acoustic waves along the distance is: T | 02-03-2011 |
| 20110022264 | METHOD FOR CONTROLLING A MULTIMEDIA SYSTEM ON A VEHICLE AND DEVICE FOR IMPLEMENTING SAME - A method for controlling a multimedia system on an automobile that includes at least one module for executing a multimedia function, having at least one operation state controlled by an action of the user on an interface. The multimedia system includes a prestart state in which at least one prescribed task of the module that does not require any action by the user is initiated, a detection mechanism monitors the occurrence of a vehicle opening or unlocking event, the module is temporarily set in the prestart state following the detection of the event, the module being capable, when in the prestart state, of being switched to the operation state when the user acts on the interface. | 01-27-2011 |
| 20110018297 | CONSOLE FOR AUTOMOBILE - A bracket configured to be attached to the frame of an automobile that includes a shell defining a housing, and a reinforcement attached to the shell within the housing, for reinforcing the stiffness of the shell. The reinforcement includes at least one reinforcing member of the same material as the shell and connected to the shell by a film-type hinge enabling pivoting thereof between an extended position outside the shell for forming the entire integral bracket, and a reinforcing position in which the same is stowed inside the housing for stiffening the shell. | 01-27-2011 |
| 20110017878 | SUPPORT FOR ONE OR MORE ELEMENTS WHICH ARE INTENDED TO BE FASTENED TO A MOTOR VEHICLE STRUCTURE - A support for one or more elements intended to be fastened to a front pillar of a motor vehicle so that the one or more elements can be supported along the structure. The support includes: at least one mechanism guiding and retaining cables, at least one mechanism fastening a trim of the structure, at least one mechanism indexing a carpet, and at least one mechanism fastening an electrical connector. | 01-27-2011 |
| 20110015826 | VEHICLE AIR-CONDITIONING SYSTEM PROVIDED WITH AUTOMATIC MODES - The invention relates to a vehicle air-conditioning system ( | 01-20-2011 |
| 20110011365 | DISSMETRICAL COMBUSTION CHAMBER FOR THERMAL ENGINE - A piston for an internal combustion engine, for example a diesel engine, including a body defined laterally by a skirt configured to interact with walls of a cylinder having a revolution axis C in which the piston can slide along axis C, the piston including a front face that includes a central lug, a peripheral crown, and a bowl having a revolution axis B extending from the central lug to the peripheral crown to which it is connected at a lip having a thickness Ep. The bowl includes substantially over the lip a torus, for example having a half-dome profile, with a maximum radius Rt and capable of guiding a fuel injected under the lip in a region of a re-entrance zone R towards the central lug, wherein the central lug has separate upper A | 01-20-2011 |
| 20110000454 | INTERNAL COMBUSTION ENGINE INLET MANIFOLD - An internal combustion engine inlet manifold including an inlet duct with an axis of symmetry, the inlet duct being open at one end and closed at the other end and opening on its lateral surface onto a plurality of outlet ducts, the open end allowing an inlet flow to pass, each outlet duct being associated with one cylinder of the engine. Each outlet duct is connected by a blend radius to the inlet duct in the opposite way to the direction of travel of the inlet flow. The blend radius of each duct increases as a function of the path length of the inlet flow from the open end to the axis of symmetry of the respective duct so as to distribute the inlet flow to each duct with uniform permeability. | 01-06-2011 |
| 20100324763 | DEVICE FOR CONTROLLING THE ELECTRIC OPERATION MODE OF A HYBRID POWER UNIT OF A HYBRID VEHICLE BY ACTION ON THE ACCELERATOR PEDAL - A system for a hybrid power unit of an automotive vehicle having at least one thermal engine, at least one electric motor, with an accelerator pedal that represents a power control means actuated by the vehicle driver, and an electronic control unit. The system includes a mechanism generating a first return force on the pedal. An electronic control unit is adapted, when an exclusively electric operation mode of the vehicle is activated, to control the force generation mechanism so that it generates a second force higher than the first one when the stroke of the pedal reaches a predetermined threshold. | 12-23-2010 |
| 20100317202 | ARRANGEMENT FOR THE SECURE CONNECTION OF AN ELECTRONIC DEVICE - An arrangement for electrically connecting a motor vehicle accessory to an electrical energy source and to at least one electronic device of the vehicle, including: at least one power connector capable of being mounted on the accessory in a connected position for connecting the accessory to the electrical energy source, and at least one signal connector capable of being mounted on the accessory in a connected position for connecting the accessory to the electric device of the vehicle. The electrical connection of the accessory is performed on a support arranged below the steering column close to the region of a driver's feet. A motor vehicle electric power-assisted steering column equipped with such an arrangement of connectors for the electrical connection thereof. | 12-16-2010 |
| 20100313861 | IMPROVED-EFFICIENCY DEVICE FOR RECOVERING THE OIL CONTAINED IN COMBUSTION GAS - A device for recovering the oil contained in the combustion gas leaving the engine, includes at least one orifice ( | 12-16-2010 |
| 20100313841 | CONTROL OF A PLURALITY OF PLUG COILS VIA A SINGLE POWER STAGE - A plasma generating device including: a supply circuit including a switch controlled by a control signal for applying an intermediate voltage on an output of the control circuit at a frequency defined by the control signal; a plurality of plasma-generating plug coils arranged in parallel on the output via connectors, each connector being adapted to be removably connected to a corresponding plug coil and including a mechanism adapted to offset the resonance frequency of the plug coil so that each plug coil has a distinct resonance frequency; a control device of the supply circuit, that determines the control frequency from the resonance frequencies of the plug coils to selectively control the plug coils according to the control frequency used. | 12-16-2010 |
| 20100313641 | METHOD FOR DIAGNOSING THE CONDITION OF AN ENGINE FUEL SUPPLY SYSTEM - A method for diagnosing a condition of a system for supplying fuel to a fuel injected controlled-ignition internal combustion engine, of a type including an electric control device that makes use of an oxygen probe for closed-loop regulation of a value of air/fuel ratio admitted to combustion chambers of the engine, and according to which a signal delivered by an oxygen probe is analyzed, the method a) deducing from the signal, a change in a effective injection time making it possible to regulate richness of exhaust gases leaving the engine; b) calculating CRITERION=∫(CRITERION 1+CRITERION2+CRITERION3); c) comparing CRITERION against predetermined minimum and maximum threshold values THRESHOLD_MIN and THRESHOLD_MAX; d) diagnosing a defective condition when CRITERION is outside of a window included between THRESHOLD_MIN and THRESHOLD_MAX. | 12-16-2010 |
| 20100307455 | FLUID INJECTION DEVICE - The invention relates to an injector including a needle mounted in a nozzle and having an end defining a valve, the needle being connected at the other end to an actuator including first, second and third portions, the first and third portions being provided on either side of the second portion, the three portions being tightened together in order to form a block having two axially opposite limits, the first portion being connected with the needle at one of said limits, and an excitation means for vibrating the second portion according to setpoint period τ. According to the invention, the length between the two limits of the block is such that the propagation time T of the acoustic waves generated by the vibrations of the second portion of the actuator and running along that length meets the equation: T=n*[τ/2], where n is an integer positive multiplication coefficient different from zero. | 12-09-2010 |
| 20100307231 | METHOD FOR DIAGNOSING THE BYPASS FLAP OF AN EXCHANGER IN AN EXHAUST GAS RECIRCULATION SYSTEM - A method for diagnosing a failure of an EGR circuit in an engine that includes an EGR exchanger, an EGR valve, an EGR exchanger bypass duct, and a bypass flap located upstream from the EGR exchanger and the bypass circuit in order to adjust the proportion of exhaust gases flowing therethrough. The EGR circuit can be activated in a cooled mode in which the flap is shut and in a bypass mode in which the flap is open. The method estimates the temperature of the exhaust gases at the outlet of the EGR exchanger when the EGR circuit is in the bypass mode. | 12-09-2010 |
| 20100307137 | METHOD FOR CONTROLLING THE TEMPERATURE OF THE EXHAUST GASES OF A THERMAL ENGINE - A method for controlling temperature of a gas post-treatment system in an exhaust circuit of a thermal engine having a more or less rich combustion mode, in which at least a post-treatment member is periodically submitted to regeneration phase at a set-point temperature. The duration of each regeneration phase is divided into a series of fractioned periods for tuning the engine alternatively according to two combustion modes each having a different richness, respectively a mode hotter than necessary for reaching the set-point temperature and a mode that is not so hot, the duration of each period being controlled so that excess energy introduced during a hotter mode period is compensated by the lack of energy in the following period with the less hot mode, and conversely, to maintain at the output of the post-treatment member a mean temperature corresponding to the set-point temperature. | 12-09-2010 |
| 20100300072 | COUPLING OF A TURBOCHARGER WITH AN OXIDATION CATALYST OF AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE - A single-piece and rigid coupling of a turbocharger with an oxidation mechanism of an exhaust line of an internal combustion engine, including a burnt gas inlet duct that extends along an inlet axis and a burnt gas outlet duct that extends along an outlet axis substantially orthogonal to the inlet axis. The inlet and outlet axes are located in two substantially parallel separate planes. | 12-02-2010 |
| 20100299054 | METHOD AND SYSTEM FOR MANAGING THE OPERATION OF A MOTOR VEHICLE AS A FUNCTION OF DRIVING CONDITIONS - A method of managing operation of a motor vehicle as a function of driving conditions of the vehicle during a journey towards a programmed destination includes: determining driving parameters relative to the journey to be taken; determining a position of the vehicle in the journey; and calculating a drive energy management law (EML) as a function of the position of the vehicle in the journey and of the driving parameters. The calculating the energy management law additionally dynamically calculates a vehicle propulsion mode from various propulsion modes available during the journey, the dynamic calculation including a calculation of a route along the journey as a function of the driving parameters. | 11-25-2010 |
| 20100299036 | METHOD FOR CONTROLLING THE REGENERATIVE BRAKING OF A VEHICLE INCLUDING AT LEAST ONE ELECTRIC MOTOR - A method for controlling regenerative braking of a vehicle including at least one thermal engine and/or at least one electric motor, including calculating a GMP braking force setpoint at the wheel, including a regenerative braking force, that is independent from a relation between the brake pedal depression and the braking force applied to the wheels by the main brakes of the vehicle. | 11-25-2010 |
| 20100299010 | METHOD OF ENERGY MANAGEMENT IN A MOTOR VEHICLE - A method of energy management in a motor vehicle including an electric traction system supplied by at least one battery, and an electrical energy source which is auxiliary to the battery and which is able to supplement power provided by the battery to supply the electric traction system, the auxiliary source being associated with a fuel reservoir. The method controls a power level provided by the auxiliary electrical energy source when it is activated, selected exclusively from a first low power level and a second high power level, according to a sign of a difference calculated between variation of a reservoir filling state and variation of a battery charge state, the first and second power levels making it possible to limit energy losses associated with conversion of the fuel into electrical energy by the auxiliary electrical energy source. | 11-25-2010 |
| 20100294460 | DEVICE FOR COOLING A COOLANT - The invention relates to a device ( | 11-25-2010 |
| 20100294244 | METHOD AND SYSTEM OF CONTINUOUS CONTROL OF THE POSITION OF AN ACTUATOR FOR CHANGING THE COMPRESSION RATIO OF A COMBUSTION ENGINE - A control system that allows continuous adjustment of a position of an actuator jack used to change compression rate of a heat engine, with mechanical-type regulation. A source of pressurised fluid is linked to a circuit to allow movement of the jack in two opposing directions. A servo-control device connected to the jack includes a mechanism to distribute fluid to control the position of a mobile element of the jack. A lever articulated with the mobile element of the jack in an initial articulation point includes a second articulation point with a mobile control unit in transfer controlling the distribution mechanism. The lever is able to turn around the initial articulation point via action of a control moving the driver assembly of the lever, connected to a third articulation point at the opposite end. | 11-25-2010 |
| 20100283521 | VOLTAGE PULSE TRAIN GENERATOR, APPLICATION TO THE CONTROL OF AN ULTRASOUND PIEZOELECTRIC INJECTOR - A voltage pulse train generator which may find application to control of an ultrasound piezoelectric injector, and including a voltage source providing a DC initial voltage, a DC/DC converter supplied with the initial voltage and configured to charge a capacitor according to an intermediate DC voltage greater than the initial voltage, a DC/AC converter operating by switching, by alternating active phases and inactive phases, which is configured to transform the intermediate voltage from the capacitor into a final voltage pulse train, and a control unit provided for driving the converters. The DC/DC converter is configured to operate to charge the capacitor at a same time as the DC/AC converter, at most during the inactive phases of the switching of the DC/AC converter. | 11-11-2010 |
| 20100283289 | AUTOMOBILE COMPRISING A CROSSBAR, A TECHNICAL FRONT SURFACE AND A CONVERGENT ELEMENT ATTACHED TO EACH OTHER - An automobile that includes: a lower crossbar including longitudinal arms connected by links to vehicle side rails located above the arms; a technical front surface defining a plate, the plate including an inner face and an outer face and being adapted to be attached to a structural member of the vehicle; a shield convergent element including two absorption members capable of absorbing by deformation thereof the energy of a shock to the vehicle; each longitudinal arm of the crossbar being attached by a first fastener to the inner surface of the plate; and each absorption member being attached by a second fastener to the outer face of the plate so that the two absorption members are capable of deformation along a longitudinal axis of the vehicle upon a shock; the inner surface including ribs. | 11-11-2010 |
| 20100281699 | ABSOLUTE POSITION SENSOR WITH SERIAL READING - An absolute position sensor with serial reading, that includes at least one detector capable of detecting transitions in a target pattern present on a member mobile relative to the detector. The sensor includes a shift register capable of storing a predetermined number of consecutive data from the detector, and a mechanism comparing the value of the register to a set of predetermined values each corresponding to a position of the detector relative to the target pattern. | 11-11-2010 |
| 20100275669 | METAL SHEET, METHOD FOR FIXING SAID METAL SHEET BY FLOW DRILLING AND ASSEMBLY COMPRISING SAME - The invention concerns a flow drilling and tapping method for assembling thin metal sheets. A tubular extension ( | 11-04-2010 |
| 20100263643 | DEVICE FOR MEASURING THE IONIZATION CURRENT IN A RADIO FREQUENCY IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A radiofrequency ignition device for an internal combustion engine, including: a supply circuit, including a transformer, a secondary winding of which is connected to a resonator including two electrodes configured to generate a spark so as to initiate combustion in a cylinder of the engine upon an ignition command, a measurement capacitor, connected in series between the secondary winding of the transformer and the resonator, and a measurement circuit measuring ionization current of the combustion gases, connected to the measurement capacitor and including a voltage generator with low input impedance, to provide a polarization voltage of the measurement capacitor so as to generate the ionization current, a first amplifier amplifying the ionization current and a measuring mechanism measuring a voltage representative of the amplified ionization current and connected at an output of the first amplifier. | 10-21-2010 |
| 20100251995 | OPTIMIZED GENERATION OF A RADIOFREQUENCY IGNITION SPARK - A method for controlling a radio-frequency plasma generator including a supply circuit with a switch controlled by at least one control pulse train, for applying an intermediate voltage at a control frequency on an output to which is connected a resonator for generating a spark between two electrodes when a high voltage level is applied to the output. The method receives first and second measurement signals respectively representative of the operation of a combustion engine and of the type of spark generated; and real-time adjusts, based on the received measurement signals, at least one parameter selected from at least the intermediate voltage level, the control frequency, and the duration of the control train, to promote branching of the spark generated. | 10-07-2010 |
| 20100250063 | DEVICE FOR FITTING A MULTIMEDIA SYSTEM IN A VEHICLE - An adapter device for fitting in a vehicle between a vehicle computer and a computer of a second element integrated in the vehicle for exchanging information between the above. The device includes a first vehicle interface connected to a dedicated vehicle line and a second vehicle interface, connected to a vehicle network and a first second element interface connected to a second element network and a second second element interface connected to a dedicated second element line. | 09-30-2010 |
| 20100250062 | SYSTEM FOR CONTROLLING THE RELEASE OF AN AUTOMATIC PARKING BRAKE DEVICE ONBOARD AN AUTOMOBILE - A system for controlling release of an automatic parking brake device onboard an automobile, that includes a transmission mechanism transmitting an instruction several times for releasing the parking brake device, and an interface provided between the transmissions of the release instruction and for transmitting a release instruction of the parking brake device. | 09-30-2010 |
| 20100247983 | DEVICE FOR DEGASSING THE BATTERY OF AN AUTOMOBILE - The invention relates to a device for degassing the battery ( | 09-30-2010 |
| 20100244496 | UNDERFRAME FOR MOTOR VEHICLE - An underframe for an automobile including two side rails, a transverse crossbar, a first floor member attached on the side rails and, on either side, a lateral reinforcing member, and a second floor member. Each of the rails includes an extension in a form of a portion under the crossbar, attached to the lower face of the central crossbar and connected to an attachment portion including a front portion that extends gradually towards the respective lateral reinforcement member and that is attached on a longitudinal portion of the respective lateral reinforcement member. | 09-30-2010 |
| 20100241328 | METHOD FOR HILL START ASSISTANCE FOR MOTOR VEHICLE - A method for hill start assistance for a motor vehicle and to an associated device that includes a clutch and a transmission between the clutch and driving wheels of the vehicle. The method determines the torque of the clutch for maintaining the vehicle in an immobile position based on a known engine torque, wherein the torque of the clutch is determined by taking into account a portion of the engine torque dedicated to operation of constituent mechanisms of the vehicle other than the clutch. | 09-23-2010 |
| 20100237643 | TRIM FOR WINDOW FRAME OF AUTOMOBILE - A fitting part on a frame of a window for an automobile, in which the fitting part is a profile including an outer wall connected to an outer face of a sheet-metal member of the frame, and an inner wall including an end bearing against an inner face of the sheet-metal member. The end of the inner wall includes, on the side opposite the sheet-metal member, a bead that can be brought into contact with the sheet-metal member to define a clearance between the end of the inner wall and the sheet-metal member. | 09-23-2010 |
| 20100236024 | DEVICE FOR MAINTAINING THE HINGE OF AN INCLINABLE SEAT OF A VEHICLE IN AN UNLOCKED POSITION - A device for maintaining a hinge of a seat in an unlocked position, that includes a locking mechanism that can be declutched by rotation of an axis of the hinge, and a cam connected to a back of the seat and having a profile adapted to act on a forced-rotation driving mechanism of the hinge axis from a first inclination angle of the back of the seat towards the front, and to stop acting on the driving mechanism from a second inclination angle towards the front. | 09-23-2010 |
| 20100235064 | ASSISTANCE DEVICE FOR UPHILL MOVEMENTS OF AN AUTOMOBILE - An assistance device for uphill movements of an automobile, including a first assistance calculator controlling a parking brake and automatically controlling release thereof when it is activated and when driving torque transmitted by a clutch is higher than a minimum threshold for maintaining the vehicle on a slope, a second assistance calculator controlling the driving brake and automatically controlling and maintaining its activation when it has been activated, when it is determined that the vehicle is immobile and when the clutch torque is lower than the minimum threshold, and automatically controlling the release thereof when it is activated and when the clutch torque is higher than the threshold, and a mechanism determining immobility of the vehicle, estimating the clutch torque, estimating the slope, and calculating a threshold. | 09-16-2010 |
| 20100229639 | MEASURING DEVICE IN A RADIOFREQUENCY IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINE - A measuring device including: a supply circuit for radiofrequency ignition including a transformer including a secondary winding connected to at least one resonator having a resonance frequency higher than 1 MHz, and including two electrodes capable of generating a spark upon an ignition control; a measuring capacitor connected in series between the secondary winding and the resonator; a measuring circuit of ionization current of the combustion gases in a cylinder of the internal combustion engine associated with the resonator, the circuit being connected at terminals of the measuring capacitor; and/or a measuring circuit that measures a voltage at the resonator terminals upon an ignition control, the circuit being connected to terminals of the measuring capacitor. | 09-16-2010 |
| 20100222987 | METHOD FOR ESTIMATING THE TEMPERATURE OF A GAS PRESSURE SENSOR ATTACHED TO A WALL OF A DIESEL ENGINE AND USE OF ONE SUCH METHOD - The invention relates to a method for estimating the temperature of a gas pressure sensor attached to a wall of a turbocharged motor vehicle diesel engine, said sensor being positioned upstream of the turbine of the turbocharger. According to the invention, the temperature of the gas pressure sensor is estimated at least by measuring the temperature of the external air and the temperature of the wall to which the sensor is attached. | 09-02-2010 |
| 20100215916 | ARRANGEMENT FOR ATTACHING A SAFETY GLAZING ELEMENT - An arrangement for attaching a safety glazing element for a building, including a supporting element connected to the building, and a glazing element including a pane coated with a safety film adhering to an inner surface of the pane. The glazing element is attached by an adhesive strip to the support. A border on the periphery of the pane is free of film so that a peripheral limit of the film is situated at a distance from the edge of the pane, the distance separating the edge of the pane and the limit of the film being alternately variable. | 08-26-2010 |
| 20100212880 | AIR-CONDITIONING SYSTEM FOR VEHICLE WITH IMPROVED SUNSHINE CORRECTION - An air-conditioning system for a vehicle, that includes a module for controlling the air-conditioning group for adjusting the temperature inside the passenger compartment to a setpoint temperature, the control module being capable of correcting the temperature adjustment in the passenger compartment based on a received sunshine value in the passenger compartment. The system further includes a mechanism correcting the sunshine value to improve the correction of the temperature adjustment inside the passenger compartment particularly in cloudy conditions. | 08-26-2010 |
| 20100212631 | COMBUSTION ENGINE AND METHOD OF CONTROLLING A COMBUSTION ENGINE - An internal combustion engine including: a pulse current generator; at least one electrode including at least one tip; a mechanism controlling the electrical supply to the electrode by the generator; and a combustion chamber in which the tip of the electrode is positioned, the tip being separated from the inner wall of the chamber by a minimum separation distance. The current generator and the electrode are configured such that the power density generated while the electrode is being supplied is less than 10 | 08-26-2010 |
| 20100212289 | REGENERATION CONTROL METHOD FOR A PARTICLE FILTER - A regeneration control method for a particle filter of an internal combustion engine exhaust line determines operating data items of the particle filter, wherein the data items are at least one representative inside temperature T(t) of the filter at a time t, regenerates the filter by increasing the temperature thereof above a first combustion temperature threshold of a soot contained in the filter, and computes a time-varying parameter d | 08-26-2010 |
| 20100211280 | REGENERATIVE BRAKING CONTROL METHOD FOR HYBRID VEHICLES AND/OR FOUR-WHEEL-DRIVE VEHICLES AND ARRANGEMENT FOR VEHICLE USING SAID METHOD - A regenerative braking control method for a hybrid vehicle and an arrangement for a vehicle using the method, whereby the vehicle is provided with an electric machine coupled to the rear wheels of the vehicle by a coupling mechanism and which includes a controller for powering and/or electrically charging an associated battery, the controller being controlled during a regenerative braking mode by a distribution controller implementing the method. | 08-19-2010 |
| 20100206276 | DIAGNOSIS OF THE FOULING CONDITION OF SPARKPLUGS IN A RADIOFREQUENCY IGNITION SYSTEM - A radiofrequency ignition device including: a control capable of generating an ignition control signal; a supply circuit controlled by the ignition control signal for applying a supply voltage on an output interface of the supply circuit at a frequency defined by the control signal; at least one plasma generation resonator connected on an output interface of the supply circuit and capable of generating a spark between two ignition electrodes of the resonator upon an ignition control; a mechanism measuring an electric parameter representative of a variation in a supply voltage of the resonator; and a module determining the fouling condition of the electrodes based on the measured electric parameter and on a predetermined reference value. | 08-19-2010 |
| 20100204890 | POWER-ASSISTANCE METHOD FOR UPHILL MANEUVERS - A method providing assistance with hill starts to a vehicle including a power plant connected to the driven wheels by a clutch and an automatic parking brake. The method generates an instruction to store in a memory a characteristic of a gradient which corresponds to a state in which it is estimated that the user and the vehicle are ready to pull away, on the basis of conditions that given physical parameters of the vehicle must satisfy. | 08-12-2010 |
| 20100194279 | CONTROL OF A PLURALITY OF PLUG COILS VIA A SINGLE POWER STAGE - A radiofrequency plasma generating device including: a supply circuit including a switch controlled by a control signal for applying a voltage on an output of the control circuit at a control frequency; at least two plasma-generating circuits connected in parallel at the output of the supply circuits, each circuit having its own resonance frequency and being capable of generating plasma when a high voltage level is applied to the output of the supply circuit at a frequency substantially equal to the resonance frequency of the plasma generation circuit; and a supply control device determining the control frequency from the resonance frequencies of the plasma generation circuits to selectively control each circuit according to the control frequency used. | 08-05-2010 |
| 20100193271 | ARRANGEMENT FOR MOUNTING A BATTERY IN A MOTOR VEHICLE - An arrangement for mounting an accumulator battery in a motor vehicle that includes a first body structure part that forms an engine compartment, in which the first structure part includes at least two substantially longitudinal and parallel side members and which is positioned to the rear of a second, a transverse structure part that forms the front filler panel of the vehicle, in which the transverse structure part includes at least one front cross member connected to the side members and supporting at its ends a light-projecting member including bulbs that are accessible from the engine compartment via at least one opening, and in which a support accommodating the accumulator battery is located to the rear of this opening. The accumulator-battery support includes a removable part providing access to the opening of the light-projecting member from the engine compartment so that dead bulbs can be changed leaving the support in position. | 08-05-2010 |
| 20100191478 | METHOD FOR ESTIMATING THE LEVEL OF ETHANOL IN A FUEL - A method for estimating a level of ethanol in a fuel injected into an internal combustion engine over a number (n) of cycles (n being an integer greater than or equal to 1). The method includes: determining start of combustion of an injected fuel for each of the cycles; calculating the average combustion start angle from combustion start angles recorded for all of the n cycles; determining the end of combustion of an injected fuel for each of the cycles; calculating the average combustion end angle from the combustion end angles recorded for all of the n cycles; calculating the combustion time between the combustion start time and the combustion end time; and deducting the level of ethanol from the combustion time on the basis of a pre-determined model or a list of combustion times and associated ethanol levels. | 07-29-2010 |
| 20100187999 | RADIOFREQUENCY PLASMA GENERATION DEVICE - A device including two plasma generation electrodes, a series resonator having a resonant frequency above 1 MHz and including a capacitor with two terminals, and an induction coil surrounded by a screen, the capacitor and the coil being placed in series, the electrodes being connected to the respective terminals of the capacitor. The ratio of the spark plug to the radius of the screen is equal to 0.56. The device can optimize the Q-factor of such a device by adjusting the radius of the coil to that of the screen. | 07-29-2010 |
| 20100187329 | FLUID INJECTION DEVICE - A fluid injection device having a main injection axis and including at least: a housing; an actuator axially mounted in the housing and including a stack with two axially opposed front faces and including at least one electro-active portion with an electro-active material; and a pre-stressing mechanism adapted for at least partially pre-stressing the stack. The pre-stressing mechanism includes at least a tightening clamp outside the stack and provided between the stack and the housing. | 07-29-2010 |
| 20100185374 | VEHICLE ASSIST METHOD - A control assist method for a vehicle including a power train connected to drive wheels by a clutch. The method updates a clutch curve which connects a position of a clutch pedal and a maximum torque that can be transmitted by the corresponding clutch, as a function of reliability thereof, the reliability being lower when the vehicle is first used and increasing with use of the vehicle. | 07-22-2010 |
| 20100185355 | METHOD FOR PROCESSING A SIGNAL ORIGINATING FROM A POSITION SENSOR OF A MOTOR VEHICLE CONTROL MEMBER - A method for processing a signal originating from a position sensor of a motor vehicle control member, to produce a processed signal relating to the position of the control member. The method includes: a filtering phase in which the signal originating from the sensor is filtered using a first filter to obtain a first filtered signal, and a substitution phase in which the first filtered signal is supplied as the processed signal, a second signal being added to the first filtered signal if the instantaneous value thereof is greater than the value of a first threshold parameter, and, in the opposite case, the signal originating from the sensor is provided as the processed signal. | 07-22-2010 |
| 20100179739 | POWER-ASSISTANCE DEVICE FOR A VEHICLE - An assist device for a vehicle including a power train connected to drive wheels by a clutch, a bus, and a power-assist parking brake. The device includes sensors that transmit signals to the bus and a mechanism for learning-based estimation of a clutch curve on the basis of the signals, the curve connecting the position of the clutch pedal and a maximum torque range that can be transmitted by the corresponding clutch and a mechanism phasing the delivered signals to reduce an influence of noise on the sensors associated with the signals. | 07-15-2010 |
| 20100179738 | METHOD FOR PROCESSING DATA IN A DEVICE FOR POWER ASSISTANCE OF UPHILL MANEUVERS OF A MOTOR VEHICLE - A method for processing data recorded during a data acquisition, the data defining a correspondence between values representing torque transmitted by a clutch and values representing a position of a clutch control member. The processing method includes modifying the recorded data to define a modified correspondence between the values representing the torque transmitted by the clutch and the values representing the position of the clutch control member, the modified correspondence to be used in a hill start assist device of a motor vehicle including a power train connected to drive wheels by a transmission system including the clutch and a braking system, whereby the release of the braking system is automatically controlled by the assist device. | 07-15-2010 |
| 20100179023 | ELECTRIC ENERGY EXCHANGE SYSTEM, IN PARTICULAR FOR A HYBRID VEHICLE - An electric energy exchange system between at least one motor-generator system and at least one storage member determining a continuous storage voltage between two branches of a bus circuit on which are connected in parallel a DC/DC converter, a filtering capacity, and a DC/AC converter connected on at least one motor-generator system. The system includes at least one thyristor connected as a bypass on the positive bus between the storage member and the output of the converter-voltage raiser to short-cut the converter, and a thyristor priming device to, based on the required voltage at the filtering capacity, determine at least in discharge the shorting of the converter-voltage raiser with direct passage of the current through the thyristor as long as the voltage of the filtering capacity, which is substantially equal to the storage member voltage, is sufficient for the electric machines to provide requested torque. The system can particularly be applied to a power-bypass hybrid vehicle, for continuous variation of transmission ratio. | 07-15-2010 |
| 20100176617 | MOTOR VEHICLE APRON TRIM ELEMENT - An arrangement of a trim element on a carrier for accessing an area located behind the trim element, wherein a rear surface of the trim element includes a first supporting mechanism including a series of lower and upper clips engageable with matching clips on the carrier, and the arrangement further includes a second mechanism supporting the trim element so that the trim element can be removed in at least two successive movements in at least two directions chosen from the transverse, vertical, and longitudinal directions. | 07-15-2010 |
| 20100175948 | HYDRAULIC ACTUATING CIRCUIT FOR POWER-ASSISTED STEERING, AND MOTOR VEHICLE EQUIPPED THEREWITH - A power-steering hydraulic actuating circuit for a motor vehicle, including a hydraulic fluid distributing valve including hydraulic fluid supply ports connected to a pump via lines. A mechanism restricts the cross section of hydraulic fluid flow from the pump to the port and is provided on the high-pressure line. | 07-15-2010 |
| 20100169040 | METHOD FOR ESTIMATING THE LONGITUDINAL SPEED OF A MOTOR VEHICLE - A method for estimating longitudinal speed of a motor vehicle, including two drive wheels and at least one central electronic unit, based on rotational speeds of the four wheels two of which are drive wheels, such that, after arranging the rotational speeds in descending order: in an acceleration phase, the vehicle longitudinal speed is compared with the speed of the third fastest wheel, and its acceleration should not exceed that of the slowest wheel; in a deceleration phase, the longitudinal speed is compared with the speed of the fastest wheel and its acceleration in absolute value should not exceed that of the second fastest wheel; when the longitudinal speed ranges between the speed of the third fastest wheel and that of the fastest wheel, its value remains constant. | 07-01-2010 |
| 20100164250 | METHOD FOR MOUNTING A TRANSVERSE UNDERSTRUCTURE MEMBER AND A TECHNICAL FRONT PANEL - A method for mounting on a motor vehicle at least one transverse understructure member and a technical front panel to be mounted at a longitudinal end of a frame structural member including two transversely opposite rails and two transversely opposite portions of the frame structural member, in particular hinging members for holding the vehicle headlights. The method includes placing the technical front panel in a vertical position on the transversely opposite portions of the frame structural member, and transversely positioning the technical front panel on the portions. | 07-01-2010 |
| 20100162687 | METHOD AND DEVICE FOR THE CONTROL OF THE OPERATING STATE OF THE CATALYTIC CONVERTER OF THE EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE - A device for controlling the operating state of a catalytic converter in the exhaust line of an internal combustion engine, including a mechanism for determining the temperature upstream and downstream of the converter, a mechanism for injecting fuel in the exhaust line of the engine, a mechanism for calibrating a temperature model on a measured operating temperature of the catalytic converter, and a mechanism for calculating the integral of the difference between the measured temperature and the modeled temperature downstream of the converter. | 07-01-2010 |
| 20100161181 | METHOD AND DEVICE FOR MANAGING A TURNING SETPOINT APPLIED TO AT LEAST ONE TURNING ACTUATOR FOR THE REAR WHEELS OF AN AUTOMOBILE - A method for managing a turning setpoint applied to at least one turning actuator for rear wheels of an automobile including four steering wheels, the turning setpoint being generated by a turning control unit upon a braking situation with asymmetrical adhesion. The method calculates an intermediate turning setpoint of the rear wheels for compensating a yaw torque generated by a braking with asymmetrical adhesion of the four wheels, transmits an intermediate turning setpoint to the at least one turning actuator for the rear wheels, monitors the value of the intermediate turning setpoint using an acceptation module, and transmits to a braking control unit information generated by the acceptation module of the intermediate turning setpoint. | 06-24-2010 |
| 20100156172 | DEVICE AND METHOD FOR CONTROLLING A POWER SHUNT CIRCUIT, HYBRID VEHICLE HAVING SAME - A device for controlling a power shunt circuit of a hybrid vehicle, including inverters, including DC sides linked to a DC voltage storage unit and AC sides intended to be linked to polyphase electrical machines. The polyphase electrical machines are able to operate in engine/engine or generator/generator modes. A control unit controls chopping switches of the second inverter in a way that is temporally offset relative to chopping switches of the first inverter in such a case, the control unit of the inverters controlling their chopping switches by pulse width vector modulation. | 06-24-2010 |
| 20100154582 | DEVICE FOR ACTUATING A CLUTCH PEDAL - An automotive construction device including a spring system that normally exerts a moment on a pedal that keeps it in a stable upper clutch-engaged position, the spring being inserted between a connection point fixed to the pedal and another connection point borne by an element fixed to a vehicle chassis, the driver of the vehicle releasing the clutch by pivoting the pedal in a downward direction, firstly against the resistance of the spring and then, beyond a given pegging angle, with aid of the spring. At least one of the two connection points is mounted movably with respect to the element to which it is fixed, and the device automatically shifts the connection point at the end of the clutch-release travel so as to substantially reduce the moment exerted by the spring on the pedal in the clutch-release direction. | 06-24-2010 |
| 20100154237 | MOTOR VEHICLE OIL DIPSTICK MEANS - An oil dipstick structure including a tubular plastic dipstick guide with an opening at one end thereof, and a dipstick rod connected to a sealing member at one end. The dipstick guide includes a dipstick abutment engageable by an abutment member on the dipstick rod when the dipstick rod is inserted into the guide. The dipstick abutment is located in the dipstick guide at the opposite end from the opening, and the length thereof is such that the dipstick abutment extends out of the dipstick guide when the abutment member of the dipstick rod is in engagement with the dipstick abutment. | 06-24-2010 |
| 20100152959 | METHOD FOR DIAGNOSING BRAKE PEDAL CONTACTORS - A method for diagnosing brake pedal contactors of an automobile that includes an electronic control unit (ECU), the contactors being connected to the ECU and supplying thereto information on the pedal position. In the method the ECU tests the signals from the contactors. If the signals indicate the operation state is a so-called incoherent state, in which the brake pedal is considered by the ECU to be both depressed and released, the ECU initiates a time out, the duration of the time out depending on the vehicle speed. | 06-17-2010 |
| 20100149319 | SYSTEM FOR PROJECTING THREE-DIMENSIONAL IMAGES ONTO A TWO-DIMENSIONAL SCREEN AND CORRESPONDING METHOD - A method and system for projecting three-dimensional images on a two-dimensional screen that includes a static correction module for each image capable of deforming the image before the projection thereof depending on the screen configuration and relative to a fixed reference point. The system further includes a sensor capable of detecting in real time the position of a selected observer watching the screen, and a dynamic correction module coupled upstream from the static correction module and capable of automatically correcting in real time distortion generated on each image by movement of the observer relative to the reference point based on the observer's position, on the reference point position, and on the screen configuration. | 06-17-2010 |
| 20100148382 | DEVICE FOR HOMOGENIZING FUEL IN THE GASES IN AN EXHAUST SYSTEM - A device for homogenizing fuel in the gases of an exhaust system, including: a substantially planar sealing surface surrounding a passage; and a deflector member projecting into the passage from the sealing surface and projecting with respect to the plan of the sealing surface, the sealing surface and the deflector member being formed as a single piece. | 06-17-2010 |
| 20100147249 | COMBUSTION ENGINE CYLINDER HEAD INTAKE DUCT AND METHOD OF MANUFACTURE - An intake duct cast as a recess in a combustion engine cylinder head that opens into a combustion chamber thereof at its lower end via an annular valve-seat housing. The intake duct, over part of its length, includes a substantially planar underside connected to the housing via a transition region that defines a shrinkage void of rounded shape within the mass of the cylinder head. | 06-17-2010 |
| 20100145637 | METHOD FOR PROCESSING A PRESSURE SIGNAL AND CORRESPONDING DEVICE - A method, and corresponding device, for processing a pressure signal from a pressure sensor mounted in a combustion chamber to detect a combustion in an internal combustion engine. The method provides a pressure signal; filters the pressure signal with a filtration mechanism having a variable gain; generates an output signal representative of the filtered pressure signal; generates a signal representative of the error between the pressure signal and the output signal; and determines if the combustion has occurred during an expansion phase of the thermodynamic cycle. | 06-10-2010 |
| 20100145585 | METHOD FOR CONTROLLING THE SLIP OF A DIRECT DRIVE CLUTCH OF A TORQUE CONVERTER - A method for controlling slip of a direct-drive clutch of a torque converter during a gear change in an automated transmission, that includes sending, as a set point, values of a cyclic opening ratio to an electro-valve for adjusting hydraulic pressure of the direct-drive clutch, wherein the initial value is determined from parameters resulting from a mapping. The value of the initial cyclic opening ratio sent as a set point is the value of the nominal initial cyclic opening ratio determined by a mapping, that is corrected by a predetermined correction coefficient memorized at the end of a previous similar gear change, from a comparison between a value of a slip representative of the slip values measured during the previous change and that of a theoretical reference slip corresponding to a nominal engine speed and turbine speed. | 06-10-2010 |
| 20100141008 | HEADREST FOR THE SEAT OF AN AUTOMOTIVE VEHICLE AND AUTOMOTIVE VEHICLE SEAT PROVIDED WITH SUCH HEADREST - A headrest that can be mounted on the back of an automotive vehicle seat and including a holding member including a central holding portion and first and second resting portions rotatingly mounted on either side of the central holding portion so as to rotate respectively about first and second rotation axes. The first and second rotation axes of the resting portions essentially cross each other at a point located under the holding member and essentially corresponding to the articulation point of a neck of a user whose head rests against the contact surface of the headrest. | 06-10-2010 |
| 20100138139 | METHOD FOR ADJUSTING THERMAL COMFORT IN A VEHICLE UPON STOPPING AND STARTING THE ENGINE - A method for adjusting thermal comfort in a vehicle upon stopping and starting the engine. The method defines main conditions essentially relating to water temperature of the engine, to temperature inside the vehicle, to windshield fogging risk, and to risk of odors in the evaporator of the air-conditioning loop. The engine off period is limited on the basis of these conditions. This limitation can be implemented by a prohibition to stop the engine or by restarting the engine. | 06-03-2010 |
| 20100138129 | HILL START ASSISTANCE METHOD FOR MOTOR VEHICLES - A hill start assistance method for a user of a vehicle having a braking system and an electronic braking control, provided with at least one master cylinder pressure sensor, whereby the pressure on each caliper of the vehicle can be controlled. The method includes: estimating the torque transmitted by the clutch, recording information corresponding to the value of the master cylinder pressure resulting from a user's actuation of the brake pedal, and recording the information recorded corresponding to the value of the master cylinder pressure when the user actuates the brake pedal again by pressing harder on the pedal or partially releasing same. When the user releases the brake pedal fully, the braking system maintains the pressure on the calipers for a predetermined period of time, as a function of a pressure set value equal to the value of the last item of information recorded. | 06-03-2010 |
| 20100138124 | HILL START ASSISTANCE METHOD AND ASSOCIATED DEVICE - A hill start assistance method for a vehicle held in a stationary position by a braking system supplying a braking pressure, the braking system connected to a master cylinder controlled by a pressure transmitted by a user via a brake pedal. The method includes, upon detection of the release of pressure from the brake pedal by a pressure sensor: triggering a time-out; calculating a minimum pressure for holding the vehicle in a stationary position; and adjusting the braking pressure using the braking system such as to reduce the braking pressure in the braking system progressively. The system acts as a pressure regulator, and at the end of the time-out at the latest, the braking pressure is equal to a target pressure that is at least equal to the minimum pressure for holding the vehicle stationary. | 06-03-2010 |
| 20100138119 | METHOD FOR CONTROLLING THE OPERATION OF A POWER UNIT GROUP - A method for controlling operation of a power unit group of a vehicle including at least one driving engine, a manual gearbox with plural gears and a clutch, in which a control system with a computer determines the target power to be supplied by the power unit group depending on information corresponding to an intention of the driver and displayed on an input of the computer. During a gear change, the information on the driver's intention is frozen during the clutch opening time so that the control system does not take into account a potential disturbing information, such as a quick foot release, displayed on the input between the clutch opening moment and the clutch closing moment to determine the target power to be supplied. The method can be applied particular to a manual gearbox having a system for displaying the recommended gear ratio on the dashboard. | 06-03-2010 |
| 20100133875 | TRIM PIECE FOR A DOOR OF A MOTOR VEHICLE - A fitting member for a door of an automobile, including a first attachment mechanism for direct attachment to the sheet metal of the door, the attachment being implemented in a central portion of the door. | 06-03-2010 |
| 20100133248 | METHOD AND DEVICE FOR QUALITY CONTROL OF A WELD BEAD - A method for quality control of a weld bead made using a welding tool. The method collects, by an optical pyrometer having a high frequency acquisition sensor, at least one signal representative of the temperature of a melted portion of the weld bead, and includes a frequency phase for checking that the recurring frequencies are within an acceptable range of reference frequencies, to determine if the weld bead is defective. | 06-03-2010 |
| 20100132334 | METHOD AND DEVICE FOR MONITORING THE REGENERATION OF A POLLUTION-REMOVAL SYSTEM - A method for monitoring regeneration of a pollution-removal system, relying on introduction of fuel into exhaust gases by delayed injections of fuel into certain combustion chambers of an engine and/or direct injections into an exhaust system upstream of a filter depending on an inlet temperature of the system. Introduced fuel delivery is assigned to direct injections into the exhaust system and/or to delayed injections into the combustion chamber according to the value of the wall temperature of the exhaust system. | 06-03-2010 |
| 20100127535 | EXTERNAL GRILLE DEVICE FOR AUTOMOTIVE VEHICLE - An external grid device for an automotive vehicle, including a flexible plastic sieve, and a meshing that is thinner than that of the grid, provided along an internal face of the grid. | 05-27-2010 |
| 20100116257 | OPTIMUM CONTROL OF THE RESONANT FREQUENCY OF A RESONATOR IN A RADIOFREQUENCY IGNITION SYSTEM - A supply device for a radio frequency ignition system, including a supply circuit to provide a supply voltage to an output connected to a plasma generation resonator at a frequency defined by a control signal provided by a control device for the supply circuit. The control device includes a receiver interface for a determination request for the optimum control frequency, a receiver interface for receiving signals measuring the voltage at the pins of a capacitor in the supply circuit, a determination module for the optimum control frequency, to provide successive different control frequencies for the supply circuit for successive ignition commands on reception of a request and to determine an optimum control frequency based on received measured signals. | 05-13-2010 |
| 20100115505 | SYSTEM AND METHOD FOR MANAGING DATA ORIGINATING FROM AND DESTINED FOR A MOTOR VEHICLE - A system for managing data originating from and destined for a motor vehicle, including: a first data communication unit permanently disposed on-board the vehicle; a second data communication unit disposed at a distance from the vehicle; and at least two devices for transmitting, receiving and storing data originating from and destined for the vehicle, the device communicating data with the first and second communication units, interfacing with a user of the vehicle and including a data storage. The second communication unit can be a computer terminal connected to a computer network, such as the Internet and/or an intranet, providing access to an interactive computer application, such as to transmit data originating from the vehicle and to receive the data destined for the data transmission, reception and storage devices and the vehicle. The storage devices can synchronize non-custom data that have become obsolete. | 05-06-2010 |
| 20100114616 | SYSTEM FOR MANAGING A FLEET OF MOTOR VEHICLES ACCESSIBLE VIA A STORAGE KEY AND METHOD FOR MANAGING THE CORRESPONDING FLEET - A system for managing a fleet of motor vehicles, including a central platform that can store data for the management of the fleet and an interface located remotely from the vehicle, enabling communication between a driver and the central platform. Each vehicle of the fleet can be accessed via a storage key that can store data relating to the identification and operation of the vehicle, as well as data relating to the fleet management contract, and which can be used to manage engine start-up/engine immobilization and locking/unlocking functions of the vehicle. Each key can be activated and released by the central platform at the user's request via the remote interface that can communicate with the central platform. | 05-06-2010 |
| 20100113262 | HIGH HEAT-RESISTANT CATALYST AND MANUFACTURING METHOD THEREOF - A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds which envelop the noble metal particles and the first compounds, suppress the movement of the noble metal particles, and suppress coagulation of the first compounds following mutual contact of the first compounds. The first compounds support the noble metal particles, and single piece or aggregate of the first compounds supporting the noble metal particles are included in a section partitioned by the second compounds. A coefficient of linear thermal expansion of the second compounds is 1.2×10 | 05-06-2010 |
| 20100109389 | AUTOMOBILE SEAT INCLUDING A FOLDABLE BACK COMPRISING A MEMBER DEFINING A TABLET, AND AUTOMOBILE WITH SUCH SEAT - An automobile seat including a seating portion, a back that can be folded onto the seating portion and including a rear face at least partially covered by a member defining a tablet and that can be brought into a substantially horizontal position. The member defining the tablet includes a rotary tray mounted on the rear face of the back so as to pivot about a first axis substantially perpendicular to the rear face to be moved into a position in which a portion of the rotary tray laterally protrudes from the rear face of the back. | 05-06-2010 |
| 20100106383 | METHOD FOR CONTROLLING AN AUTOMATIC TRANSMISSION OF A MOTOR VEHICLE IN THE BRAKING PHASE - A method for controlling an automatic gearbox pertaining to a motor vehicle in a braking phase. According to the method, a gear ratio or speed value of the gearbox, requested on the basis of pre-established laws, is determined; and, on the basis of the value and parameters representative of the situation of the vehicle, a corrected gear ratio or speed value of the gearbox, able to trigger an anticipated downshifting of the automatic gearbox, is determined. The corrected gear ratio value of the gearbox is determined on the basis of an estimation of the desired primary speed for the automatic gearbox. | 04-29-2010 |
| 20100106354 | SYSTEM AND METHOD FOR CONTROLLING A HYBRID POWER PROPULSION UNIT FOR A PERMANENT FOUR WHEEL DRIVE MODE OPERATION - A system for controlling a power propulsion unit of a hybrid type for a four-wheel-drive automotive vehicle that includes at least one electric motor part and at least one thermal engine part capable of driving the independent front and rear driving axles of the vehicle. The system includes a mechanism determining total torque set point from a request of the driver, a mechanism distributing the total torque set point, and a system optimizing the duty point, to dynamically determine the torques to be applied to each of the two driving axles and to optimize fuel consumption of the power propulsion group according to the drivability requested by the driver and driving conditions. | 04-29-2010 |
| 20100101901 | ELECTRIC CONTROL BRAKING DEVICE - The invention relates to a braking device that comprises an electric motor ( | 04-29-2010 |
| 20100090493 | ARRANGEMENT FOR ATTACHING THE SEAT OF AN AUTOMOBILE - The invention relates to an arrangement for attaching a seat ( | 04-15-2010 |
| 20100088851 | SYSTEM FOR ATTACHING A HINGE ON AN AUTOMOBILE DOOR LEAF - A system for attaching a hinge on a door leaf of an automobile includes at least two riveted self-punched connections that clamp the hinge and the door leaf. | 04-15-2010 |
| 20100065014 | OIL PAN OF AN INTERNAL COMBUSTION ENGINE - An oil sump of a combustion engine, including an anti-surge plate fastened to the oil sump and extending parallel to the bottom of the oil sump and an oil pump strainer immersed in the reservoir of the oil sump below the anti-surge plate. The oil sump includes a mechanism to keep the oil pump strainer immersed in the oil, including a first mechanism belonging to the oil sump and a second mechanism belonging to the anti-surge plate, the first and second mechanisms forming a baffle for the flow of oil. | 03-18-2010 |
| 20100063705 | METHOD FOR CONTROLLING THE POWER SUPPLY OF A PRE-HEAT PLUG IN AN INTERNAL COMBUSTION ENGINE - A method for controlling power supply of a pre-heat plug in an internal combustion engine to reach an ignition temperature for restarting the engine after the engine has stopped. The temperature of the pre-heat plug is determined using a first mathematical model and according to an elapsed engine-stop time, and additional energy to be supplied to the pre-heat plug for reaching the ignition temperature is determined using a second mathematical model and according to the temperature of the pre-heat plug. | 03-11-2010 |
| 20100061795 | ARRANGEMENT FOR SECURING A GEARSHIFT LEVER TRIM BASE TO THE PERIPHERY OF A SURROUNDING COVERING - An arrangement for securing a gearshift lever trim base to the periphery of a surrounding covering, in which a guiding mechanism is provided on the lower face of the covering, which guiding mechanism can position the base of the trim upon engagement in corresponding holes provided at the base of the trim, the base being pressed against the lower face by a strap having holes in which the guiding mechanism is engaged. The strap and/or the guiding mechanism are disposed in a housing beneath the lower face of the surrounding covering. | 03-11-2010 |
| 20100060031 | MOTOR VEHICLE DOOR WHICH IS REINFORCED AGAINST SIDE IMPACTS - A motor vehicle door including an outer panel and an inner shell panel that are interconnected at the lower ends thereof by a door sill plate that extends transversely in relation to the two panels. The door sill plate is reinforced with a reinforcing element that is fixed to the plate and that extends along most of the length and width thereof. | 03-11-2010 |
| 20100049473 | VALIDATION PROCESS FOR FAULT DETECTION OF A DEVICE - The invention concerns a process and an associated device for validating the fault detection of a device under test, during which a series of basic tests of the device under test is carried out, wherein each basic test leads to a positive or negative result indicating normal or abnormal functioning of the device under test. The process according to the invention also comprises the following steps: after each realization of a basic test, updated by an event counter (CRT) and updated by a result counter (FCRT), validation is performed depending on test result once the event counter has reached a first maximal value (CTRmax) or once the realization counter has reached a second maximal value (FCTRmax). Application in monitoring of the electric or functional performance of more or less complex systems installed in an automobile. | 02-25-2010 |
| 20100043525 | ESTIMATION OF EXHAUST GAS TEMPERATURE AT THE OUTPUT OF THE EGR CIRCUIT OF A COMBUSTION ENGINE - A method for estimating the temperature of exhaust gases of a combustion engine at an output of an EGR circuit fitted on the engine, based on a model that takes into account thermal energy losses of the exhaust gases at an EGR cooler or EGR circuit, the model also taking into account thermal exchange between the exhaust gases and the walls of a duct conveying the exhaust gases to the EGR cooler. A vehicle can implement such an estimation. | 02-25-2010 |
| 20100043401 | METHOD FOR LIMITING THE AIR INTAKE NOISE GENERATED AT THE END OF THE REGENERATION OF THE EXHAUST GAS POST-TREATMENT SYSTEM - A control method for an internal combustion engine including an exhaust gases post-processing system and a system for recirculating the exhaust gases towards the intake, wherein the engine can be switched from a regeneration operation mode with throttling to a nominal mode without throttling. At the end of the engine operation in the regeneration mode, the engine is temporarily operated in an intermediate mode with partial throttling for limiting the contrast of the intake noise. | 02-25-2010 |
| 20100035533 | AIR CONDITIONING DEVICE FOR A VEHICLE COMPRISING A NETWORK OF DE-ICING DUCTS - A distribution housing including an upstream portion and a widened downstream portion along the transverse axis relative to the upstream portion, in which an air inlet formed in the upstream portion is adapted to correspond to an outlet of an air conditioning apparatus, first and second outlets formed in the downstream portion are respectively adapted to correspond with a duct network for distributing blown air towards a de-icing board and side louvers, first pipes connect the inlet to the first outlets and extend between separation walls of the ducts and side walls of the housing, and a second pipe connects the inlet to the second outlet and extends at least partially between the duct separation walls. The second pipe opens, on the air inlet side, at the center of the air inlet, and the first pipes open on both sides of the first pipe. The housing has a different profile along the plane between the first and second pipes. | 02-11-2010 |
| 20100033116 | CONTROL DEVICE FOR AN ULTRASONIC PIEZOELECTRIC ACTUATOR - A control device for an ultrasonic piezoelectric actuator including a first stage supplied by a DC voltage source and including a mechanism forming a second DC voltage above that voltage delivered by the DC voltage source, and a second stage including a mechanism amplifying the second voltage and chopping the voltage obtained by excitation of the actuator with the chopped voltage, under control of a computer. The amplifying mechanism includes an inductor in electrical resonance with the piezoelectric actuator. The inductor is connected to the first stage so as to constitute, during formation of the second voltage, a secondary winding of a transformer forming part of a flyback voltage converter introduced into the first stage to develop the second voltage. The control device may find application to control of a fuel injector in an internal combustion engine. | 02-11-2010 |
| 20100017081 | METHOD FOR CONTROLLING A CONTINUOUSLY VARIABLE AUTOMATIC TRANSMISSION FOR A MOTOR VEHICLE - A method for controlling a continuously variable automatic transmission for a motor vehicle, equipped with a forced downshift device known as a kick down implemented by the driver fully depressing the accelerator pedal to obtain the vehicle's maximum acceleration, and with an electronic engine management system. The method determines the engine speed at which maximum engine power can be obtained, as a function of an operating state of the engine and of components connected to the engine, for example a particle filter, and as a function of environmental conditions outside the vehicle, for example the altitude during kick down procedures. | 01-21-2010 |
| 20100012056 | THERMAL ENGINE FOR AN AUTOMOTIVE VEHICLE COMPRISING A WATER-PUMP DEGASSING DUCT - A thermal engine for an automotive vehicle, including at least one cylinder block including a first inner circuit for circulating a cooling liquid, of the type in which the first inner circuit includes an outer supply duct including an inlet opening into a reception chamber for a rotor of the engine water pump formed in the block. The chamber includes in its intermediate portion a supply opening having a level located above the level of the inlet opening of the inner supply duct of the first inner circuit. An additional degassing duct connects the upper portion of the reception chamber or water pump volute with an element of the engine cooling circuit. | 01-21-2010 |
| 20100010307 | INTUBATION TUBE - An interventional aid for medical interventions, including a tube body with a tube jacket which permits intubation and which, while leaving a lumen to permit ventilation, includes a functional aid for performing an interventional function. The functional aid includes an orientation mechanism orienting the tube body during the medical intervention. | 01-14-2010 |
| 20090326762 | DEVICE AND METHOD FOR MONITORING THE TURN COMMAND TO A STEERED REAR WHEEL - A device and method for monitoring a turn command to a steered rear wheel of a vehicle with at least three steered wheels, in which a steering angle datum value for the steered rear wheel is compared against a template, the comparison being made by a computer that generates the datum value. | 12-31-2009 |
| 20090323249 | PSEUDOPERIODIC LOGIC SIGNAL GENERATOR - A generator of a pseudoperiodic logic signal of mean period T | 12-31-2009 |
| 20090320455 | METHOD FOR CONTROLLING A FACILITY FOR TREATING EXHAUST GASES FROM AN INTERNAL COMBUSTION ENGINE - A facility for treating exhaust gases from an internal combustion engine ( | 12-31-2009 |
| 20090312907 | METHOD OF CONTROLLING AT LEAST ONE ANTI-ROLL BAR ACTUATOR ON BOARD A VEHICLE - A method of controlling at least one anti-roll bar actuator on board a vehicle. The method controls the at least one anti-roll actuator as a function of a measurement of lateral acceleration of the vehicle and controls the vehicle as a function of a value of a static gain in relation to a transfer function between an angle of a vehicle steering control member and a rate of yaw of the vehicle. | 12-17-2009 |
| 20090309499 | OPTIMIZATION OF THE EXCITATION FREQUENCY OF A RESONATOR - A radio frequency plasma generator power supply, including: an interface that receives a request to determine an optimal control frequency; an output interface configured to be connected to a plasma generation resonator; a power supply module configured to apply a voltage at a set point frequency to the output interface, the voltage, depending on its frequency, selectively unable to allow generation of plasma of the resonator on receipt of a request during a phase optimizing power supply frequency of the generator and able to allow generation of plasma of the resonator during an operating phase; an interface that receives an electrical measurement of power supply of the resonator; a module that determines optimal control frequency, successively provides various set point frequencies to the power supply module on receipt of a request, and determines an optimal control frequency depending on electrical measurements received by the reception interface. | 12-17-2009 |
| 20090308057 | EXHAUST LINE OF A DIESEL ENGINE AND DESULFATION METHOD - A method for desulfating an NOx trap of an exhaust line of a diesel engine, the method to extract during the operation of the engine at least one portion of the fixed sulphur compounds in the NOx trap. The method produces a reformate via a reformer device from the fuel of the engine, preheat the NOx trap via injection of the reformate in the flow of exhaust gases, in an injection point located downstream of the engine is upstream of the NOx trap, until a predetermined desulfation temperature is reached in the NOx trap, then bypasses the flow of exhaust gases from a bypass point of the exhaust line located upstream of the injection point, and continues the injection of reformate in the NOx trap to produce the desulfation, the richness of the mixture supplying the diesel engine not being affected in the method. | 12-17-2009 |
