| VALEO SYSTEMES DE CONTROLE MOTEUR Patent applications |
| Patent application number | Title | Published |
|---|
| 20120075811 | ELECTRONIC MODULE FOR VEHICLE - An electronic module ( | 03-29-2012 |
| 20120068682 | DC TO DC VOLTAGE CONVERTER COMPRISING A CHARGE PUMP CAPACITOR - The invention relates to a DC to DC voltage converter including a charge pump capacitor (C) installed parallel to a means ( | 03-22-2012 |
| 20120061598 | METHOD OF CONTROLLING AN ACTUATOR HAVING A MOVABLE MEMBER WITH POSITIONAL FEEDBACK CONTROL - A valve actuator for a combustion engine has a movable member for collaborating with a stem of a valve, and an electromagnetic device with a permanent magnet associated with a resilient device for moving the movable member between an extreme valve-closed position and an extreme valve-open position. A method of controlling the valve actuator has the steps of determining a clearance range between the movable member and the valve stem during the movement of the movable member between the extreme closed and open positions, determining, in the clearance range, intermediate positions reached by the movable member as a function of different values of an electrical control parameter of the electromagnetic device, and using positional feedback control to control the electromagnetic device, using one of the intermediate positions as a setpoint value, according to the desired performance of the actuator. | 03-15-2012 |
| 20120019173 | METHOD AND ELECTRIC COMBINED DEVICE FOR POWERING AND CHARGING WITH COMPENSATION MEANS - The invention relates to a combined device and method for powering and charging, that comprises an AC motor ( | 01-26-2012 |
| 20110316497 | METHOD FOR CLOSED-LOOP CONTROL OF A DC-DC VOLTAGE CONVERTER COMPRISING A PLURALITY OF INTERLACED CELLS OPERATING IN ZERO-VOLTAGE SWITCHING MODE - A method for closed-loop control of a DC-DC voltage converter operating in zero-voltage switching mode (ZVS) with a switching threshold (Z) is disclosed. The converter includes a plurality of interlaced cells, each cell having at least two controlled switches, which are alternately closed and open, and an inductor (L) in which an output current flows from the cell, and a clock with a given switching period configured for triggering the switching of the switches between upper (+M) and lower (−M) control thresholds, the control threshold (+M, −M) with the value nearest to the switching threshold (Z) being denoted as an associated control threshold. | 12-29-2011 |
| 20110316481 | METHOD FOR CONTROLLING SWITCHES OF SWITCHING ARMS, IN PARTICULAR IN VIEW OF CHARGING ACCUMULATION MEANS, AND CORRESPONDING CHARGING DEVICE - A method for charging accumulation means configured by an electric charging device is disclosed. The charging device includes switching arms respectively including a first switch and a second switch. The method involves ordering a predetermined number of first switches to close respectively for an associated closure time, and on each opening of a first switch that was previously closed, another first switch is ordered to close for an associated closure time, so that a constant number of first switches are closed at a same time. | 12-29-2011 |
| 20110316465 | CONTROLLING METHOD OF SWITCHES OF SWITCHING ARMS, NOTABLY FOR CHARGING ACCUMULATION MEANS, AND CORRESPONDING CHARGING DEVICE - The present invention relates to a method for charging accumulation means via an external electrical network via at least a first (A) and a second (B) switching arm respectively comprising two switches ( | 12-29-2011 |
| 20110316464 | ELECTRIC DEVICE COMPRISING AN ALTERNATING CURRENT ELECTRIC MOTOR AND A CONTROL INVERTER AND A METHOD FOR MEASURING THE ELECTROMOTIVE FORCE OF THIS DEVICE - The invention relates to an electric device ( | 12-29-2011 |
| 20110316462 | ELECTRIC DEVICE FOR DRIVING MECHANICAL EQUIPMENT AND ASSOCIATED METHOD - The present invention relates to an electric device for driving mechanical equipment comprising an alternating current motor and an inverter, the said inverter comprising, for each phase of the said motor, an H bridge structure comprising four switching elements distributed over two branches connecting two terminals of the said H bridge structure and intended to supply the winding of the said at least one phase of the motor, the said winding being a winding with a mid point and the said electric device being characterized in that it also comprises, for each phase of the said motor, an energy storage unit, in particular a supercondenser, connected, on the one hand, to the mid point of the winding of the concerned phase of the motor and, on the other hand, to a terminal of the H bridge structure supplying the said winding. | 12-29-2011 |
| 20110316454 | ALTERNATING-CURRENT ELECTRIC MOTOR OF A COMBINED ELECTRIC DEVICE FOR POWERING AND CHARGING - The present invention relates to an alternating-current electric motor of a combined electric device for powering and charging, the said electric motor being formed by a stator connected to an electricity network of which the number of phases is lower than the number of phases of the said motor, the said charging current of the said network being injected via a connection point dividing each phase of the said stator connected to a phase of the said network into two half-windings, the said motor being characterized in that each half-winding of a phase comprises a plurality of coils wired together so as to reduce the magnetic linkage of each half-winding at the said connection point so that there exists an apparent non-zero inductance at the said connection point in charging mode of the said device. | 12-29-2011 |
| 20110252867 | METHOD FOR DIAGNOSING THE PERFORMANCE OF A CATALYTIC CONVERTER - The invention relates to a method for diagnosing the performance of a catalytic converter ( | 10-20-2011 |
| 20110238266 | DEVICE FOR CONTROLLING A POSITION SENSOR OF THE STEERING WHEEL OF AN AUTOMOBILE - The invention relates to a device ( | 09-29-2011 |
| 20110234205 | CIRCUIT FOR MEASURING THE EFFECTIVE CURRENT OF A SIGNAL TO BE MONITORED - The present invention relates to a circuit ( | 09-29-2011 |
| 20110226223 | INTERNAL COMBUSTION HEAT ENGINE, CONTROL SYSTEM, METHOD FOR DIMENSIONING THE ENGINE, AND AUTOMOBILE WITH SAID ENGINE - The invention relates to an internal combustion heat engine, with at least one combustion chamber for intake gases comprising a mixture consisting of a fuel such as petrol and an oxidiser such as air, connected to an intake circuit (A) for the intake of said intake gases into the chamber and an exhaust circuit (B) for the exhaust of the burnt gases outside the chamber, an exhaust gas recirculation circuit (C, D) connecting the exhaust circuit to the intake circuit, and a control system for the exhaust gas recirculation. The control system is arranged so that the exhaust gas recirculation is implemented for at least one operation point defined by an engine speed and a torque output by the engine, for which the output torque is higher than 50% of the maximum engine torque. The invention can be used for operating the engine with optimal stoichiometric mixture and ignition advance without the occurrence of rattling. | 09-22-2011 |
| 20110221363 | COMBINED ELECTRIC DEVICE FOR POWERING AND CHARGING - The invention relates to a combined method and device for powering and charging, wherein said device comprises an AC motor ( | 09-15-2011 |
| 20110193005 | VALVE WITH OPERATING MEANS BETWEEN TWO OUTLET PASSAGES - A valve has a body, a fluid inlet duct and two fluid outlet ducts delimited by the body, an intersection formed at an area where the fluid inlet duct opens into the two fluid outlet ducts, and a butterfly valve disposed in the intersection. The butterfly valve is operable to be actuated between a first extreme position in which the butterfly valve directs the fluid mainly toward the first outlet duct and a second extreme position in which the butterfly valve directs the fluid mainly toward the second outlet duct. In the first extreme position, the butterfly valve has a first portion partially blocking the second outlet duct and, in the second extreme position, the butterfly valve has another portion blocking the first outlet duct. | 08-11-2011 |
| 20110192142 | FILTRATION DEVICE FOR EXHAUST GASES - The filtration device ( | 08-11-2011 |
| 20110180048 | METHOD FOR MANAGING THE EXHAUST GAS CIRCULATION CIRCUIT OF A PETROL THERMAL ENGINE AND CORRESPONDING RECIRCULATION SYSTEM - The invention relates to a method for managing an exhaust gas recirculation circuit of a petrol thermal engine, the engine including at least one combustion chamber connected to an inlet line and an exhaust line between which extends said recirculation circuit, the recirculation circuit including a flow-rate adjustment valve, wherein said method comprises the step of adjusting flow-rate adjustment valve based on a flow-rate setpoint, said method further comprising the steps of: detecting an operation parameter representative of a pressure difference between an upstream pressure and a downstream pressure relative to the flow-rate adjustment valve, and, after comparing the parameter with a threshold corresponding to a minimum pressure difference, adjusting the flow-rate in at least one of the lines in order to increase the pressure difference. | 07-28-2011 |
| 20110178696 | CONTROL UNIT FOR ONE OR MORE ELECTROMAGNETIC ACTUATORS OF A HEAT ENGINE VALVE, AND DIFFERENT ASSEMBLIES OF SUCH CONTROL UNITS AND SUCH ELECTROMAGNETIC ACTUATORS - The invention relates to a control unit ( | 07-21-2011 |
| 20110155110 | VALVE BODY ASSEMBLY - The invention concerns an assembly of a valve body (A) and a seal ( | 06-30-2011 |
| 20110088664 | GAS INTAKE DEVICE - A gas intake device for letting gases into an inlet volume of a cylinder head of a motor vehicle combustion engine includes a valve ( | 04-21-2011 |
| 20100315048 | VOLTAGE STEP-UP CIRCUIT - The present invention relates to a voltage step-up circuit ( | 12-16-2010 |
| 20100294221 | SET CONTAINING AN ELECTROMAGNET AND AN ELECTROMAGNETIC PALETTE, AND VALVE ACTUATOR COMPRISING SUCH A SET - The invention relates to a set containing an electromagnet ( | 11-25-2010 |
| 20100275892 | PETROL ENGINE HAVING A LOW-PRESSURE EGR CIRCUIT - Internal combustion petrol engine comprising an engine block ( | 11-04-2010 |
| 20100271157 | ELECTROMAGNETIC ACTUATOR HAVING PERMANENT MAGNETS PLACED IN THE FORM OF A V IN AN ELECTROMAGNETICALLY OPTIMIZED ARRANGEMENT - The invention relates to an electromagnetic actuator including an actuating member associated with an armature and able to move under the action of at least one electromagnet, a coil, and a core suitable for channeling a flux of the coil so that the flux closes within the armature, where the core includes a base from which branches extend, including a central branch around which the coil extends, and two permanent magnets which are associated with the core. The two permanent magnets are placed in the central branch of the core in order to form a V, which separates the central branch into two parts so that any section of the core or the armature through which the flux from one or the other of the permanent magnets can pass, has an area large enough to prevent saturation by this flux. | 10-28-2010 |
| 20100270998 | CIRCUIT FOR CONTROLLING THE CURRENT IN AN ELECTRICAL CONTROL MEMBER OR THE VOLTAGE ACROSS THE TERMINALS OF SAID ELECTRICAL CONTROL MEMBER - The present invention relates to a circuit ( | 10-28-2010 |
| 20100259205 | SYSTEM FOR POWERING AN ELECTRIC MACHINE - The invention relates to a system ( | 10-14-2010 |
| 20100204900 | METHOD AND DEVICE FOR CONTROLLING A VALVE WITH SEVERAL LIFT PHASES, AND METHOD FOR SUPPLYING A THERMAL ENGINE WITH OXIDANT - The invention relates to a method for controlling a valve ( | 08-12-2010 |
| 20100117013 | DEVICE FOR CONVERTING A PIVOTING MOVEMENT OF A PINION INTO A TRANSLATIONAL MOVEMENT OF A SLIDE, AND VALVE COMPRISING SUCH A DEVICE - A device, and a valve including such a device, for converting a pivoting movement of a pinion into a translational movement of a slide. The pinion is mounted to pivot relative to a slide mounting member including a fixed tubular wall. The tubular wall is provided with at least one cam surface acting on a follower roller mounted on a mounting part connected to the pinion in rotation and to the slide in translation. The pinion is carried by the mounting member coaxially with the tubular wall. | 05-13-2010 |
| 20100045257 | SUPPLY CIRCUIT FOR A MOTOR DISPOSING OF AN ELEMENT PROVIDING FOR POWER SWITCHING, A PROTECTION AGAINST POLARITY INVERSION AND AN ELEMENT FOR LIMITING THE INRUSH CURRENT OF A CAPACITIVE ELEMENT - Supply circuit ( | 02-25-2010 |
| 20100018481 | VALVE CONTROL SYSTEM WITH MALFUNCTION DETECTION - The invention relates to a valve control system for an engine including at least one cylinder ( | 01-28-2010 |
| 20090320808 | VALVE WITH BYPASS DUCT INCORPORATING A HEATING MEMBER AND COMBUSTION ENGINE INTAKE CIRCUIT WITH PREHEATING OF THE AIR - A valve for a combustion engine air intake circuit, where the valve includes a main pipe and a bypass duct with upstream and downstream ends opening into the main pipe. The valve also includes a heating member that is positioned in the bypass duct and a shut-off member mounted such that it can move between a first position in which airflow can pass through the main pipe and a second position in which airflow can pass through the bypass duct. | 12-31-2009 |
| 20090293973 | TWO-SHUTTER VALVE - A valve including a body that defines first and second ducts that open out into a third duct. The first duct is provided with a first shutter and the second duct is provided with a second shutter connected to drive means arranged to move the shutters in a normal mode of operation in which the second shutter is in the closed position and the first shutter is adjustable in position between an open position and a first closed position, a stop mode in which the second shutter is in its closed position and the first shutter is in its first closed position, and a secondary mode of operation in which the second shutter is in its open position and the first shutter is in a second closed position. | 12-03-2009 |
| 20090287399 | METHOD AND DEVICE FOR CONTROLLING A COMBUSTION ENGINE DURING A TEMPORARY STOPPAGE - A method for controlling, during temporary stoppage, a four-stroke combustion engine including a block delimiting cylinders which define combustion chambers equipped with pistons into which opens an intake pipe and an exhaust pipe, both provided with valves that can move between open and closed positions. The method involves detecting conditions of a temporary stoppage of the engine and commanding the exhaust valves to be kept in the closed position once the engine has gone through an intake phase during the last engine cycle prior to the stoppage. | 11-19-2009 |
| 20090276146 | METHOD FOR THE INDIVIDUAL CONTROL OF A SET OF VALVE ACTUATORS BY THE ECU - The invention relates to a system for controlling a thermal engine with valves, that comprises an engine control unit ( | 11-05-2009 |
| 20090260587 | AIR INTAKE DEVICE FOR A HEAT ENGINE WITH A COOLED MAIN CIRCULATION SYSTEM AND A BYPASS SYSTEM EQUIPPED WITH A HEATING MECHANISM - Device for air intake of a heat engine including: —a main circulation system ( | 10-22-2009 |
| 20090259380 | METHOD FOR MANAGING A TORQUE APPLIED TO AN OUTPUT SHAFT OF A COMBUSTION ENGINE WHEN ONE COMBUSTION CHAMBER IS DEACTIVATED, AND CORRESPONDING MANAGEMENT SYSTEM - A method for managing a torque applied to an output shaft of a combustion engine, the combustion engine including combustion chambers, in each of which there is mounted a piston connected to the output shaft in order to apply a torque to it, the output shaft being connected to a rotary machine associated with a management member. The method involves detecting conditions of deactivation of one combustion chamber and controlling the rotary machine so as to apply to the output shaft, prior to the deactivation of one combustion chamber, a compensating torque which tends to cause a resultant torque applied to the output shaft to tend towards a deactivation torque applied by the combustion engine to the output shaft after deactivation of the combustion chamber. | 10-15-2009 |
| 20090218531 | DEVICE AND METHOD FOR CONTROLLING A VALVE WITH CONSUMABLE ENERGY MONITORING - The invention relates to a device for controlling a valve (1) between an opened position and a closed position, that includes a valve actuation organ (8), an elastic system (17, 20) for oscillating the actuation organ between two end positions, at least one electromagnet (14, 15) associated with a control unit (23) for attracting the actuation organ towards its end positions, wherein the control unit supplies power to the electromagnet for attracting the actuation organ into a first end position when the required energy amount is at most equal to a threshold and for allowing the actuation organ to move back to the other end position when this amount is higher than the threshold. The invention also relates to a control method. | 09-03-2009 |
| 20090217519 | METHOD FOR PRODUCING AN ELECTRONIC MODULE BY MEANS OF SEQUENTIAL FIXATION OF THE COMPONENTS, AND CORRESPONDING PRODUCTION LINE - The invention relates to a method for producing an electronic module ( | 09-03-2009 |
| 20090166339 | METHOD FOR PRODUCING AN ELECTRONIC MODULE BY SEQUENTIAL FIXATION OF THE COMPONENTS - The invention relates to a method for producing an electronic module ( | 07-02-2009 |
| 20090050830 | DUAL BUTTERFLY VALVE DRIVEN BY A COMMON DRIVE MOTOR - A valve including a body delimiting an inlet duct opening into a first and second outlet duct. The body includes a first butterfly valve element and a second butterfly valve element. The first butterfly valve element is mounted on a first transmission gearwheel connected to a drive motor and is movable into two closed positions on either side of an open position of the first duct. The first transmission gearwheel is connected to a second transmission gearwheel, on which the second butterfly valve element is connected by a one-way positive drive element. When the first butterfly valve element is moved from an open position to one of the two closed positions in the first duct, the second butterfly valve element is driven from a closed position to an open position of the second duct. The valve includes a member for returning the second butterfly valve element to the closed position. | 02-26-2009 |
| 20080308079 | Exhaust Gas Recycling Device Comprising a Flow Regulating and Selectively Connecting Valve - The invention concerns an exhaust gas recycling device comprising a cooled path ( | 12-18-2008 |
| 20080296525 | Valve with Operating Means Between Two Outlet Passages - A valve has a body, a fluid inlet duct delimited by the body, two fluid outlet ducts into which the fluid inlet duct opens, an intersection formed by the two fluid outlet ducts, a butterfly valve disposed in the intersection, and a motor, to which the butterfly valve is connected, for actuating the butterfly valve between a first extreme position in which the butterfly valve directs the fluid mainly toward the first outlet duct and a second extreme position in which the butterfly valve directs the fluid mainly toward the second outlet duct. The motor is placed between the outlet ducts in the vicinity of a connecting zone connecting the two outlet ducts to one another. The butterfly valve is mounted in front of the connecting zone so that the butterfly valve forms a screen against the fluid for the connecting zone. | 12-04-2008 |
| 20080295802 | Method of Determining the Injection Timing in a Four-Stroke Heat Engine and Device For Implementing This Method - The invention concerns a method for determining the timing of an injection cycle relative to an operating cycle of a four-stroke engine (ECH, ADM, COMP, DET), the timing being possibly correct or wrong, the method including the step of operating the engine while modifying a first operating parameter of the engine adapted to bring about on the engine operating effects which are different depending on whether the timing is correct or wrong; it consists in simultaneously modifying a second operating parameter of the engine adapted to bring about on the engine operating mode effects which compensate the effects modifying the first operating parameter of the engine when the timing is correct, and which do not compensate the efforts modifying the first operating parameter of the engine when the timing is wrong. | 12-04-2008 |
| 20080283784 | Electromagnetic Actuator With Permanent Magnets Which are Disposed in a V-Shaped Arrangement - A method of controlling a valve actuator for a combustion engine, wherein the actuator has a movable member for collaborating with a stem of a valve, and a electromagnetic device with a permanent magnet associated with a body for moving the movable member between an extreme valve-closed position and an extreme valve-open position, includes the steps of determining a clearance range between the movable member and the valve stem during the movement of the movable member between the extreme closed and open positions, determining, in the clearance range, intermediate positions reached by the movable member as a function of different values of an electrical control parameter of the electromagnetic device, and using positional feedback control to control the electromagnetic means, using one of the intermediate positions as a setpoint value, according to the desired performance of the actuator. | 11-20-2008 |
| 20080276889 | Electromagnetic Actuator with Two Electromagnets Comprising Magnets Having Different Forces and Method of Controlling an Internal Combustion Engine Valve Using Same - An electromagnetic actuator including an actuating member associated with an armature and able to move between two extreme positions under the action of an elastic member and two electromagnets that attract the armature to one of the extreme positions, where the electromagnets each include a coil, a core for channeling a flux of the coil so that it forms a return path in the armature, and permanent magnets associated with the core so that the latter channels a flux of the permanent magnets so that it forms a return path in the armature, where the permanent magnets of one of the electromagnets exert a force on the armature sufficient to retain the armature in the associated extreme position against the springs, and where the permanent magnets of the other electromagnet exerts a force on the armature insufficient to retain the armature in the associated extreme position against the springs. | 11-13-2008 |
| 20080272768 | Angular Position Magnetic Sensor - A magnetic angular-position sensor is mounted between two carrier elements that are movable in rotation relative to each other about an axis of rotation. The sensor has firstly a magnetic body defining a working zone in which there extends a magnetic field having field lines perpendicular to the axis of rotation, and secondly a detector member having at least one probe extending in the working zone of the magnetic member in order to provide a signal as a function of the angular orientation of the probe relative to the field lines in the working zone. The magnetic member has two parallel magnet segments and two elongate pole pieces of ferromagnetic material extending perpendicularly to the magnet segments and covering the ends thereof. | 11-06-2008 |
| 20080237526 | Flap Valve - A valve has a first duct, a second duct into which the first duct opens, thereby defining an intersection that forms a seat at right angles to the first duct for a valve disk that slides in the second duct at right angles to the seat between a closed position and an open position, and an actuator for operating the valve disk between its two positions. For the open position, the actuator is controlled to bring the valve disk into close proximity to a wall of the second duct facing the seat. | 10-02-2008 |
| 20080237523 | Valve with Outlet Duct - A valve has a first duct and a second duct at right angles to the first duct. The first duct opens into a connecting portion of the second duct, defining an intersection that forms a seat for a valve disk that slides in the connecting portion in a direction at right angles to the seat between a closed position and an open position. The connecting portion has two flat walls facing one another and connected by an end wall. The first duct opens onto one of the flat walls. The end wall partially surrounds the valve disk parallel to the a direction of sliding at a distance from an edge of the valve disk that is such that, for the open position, the end wall defines with the edge of the valve disk and the seat a passage. | 10-02-2008 |
| 20080236681 | Flap Valve - A valve has a first duct and a second duct into which the first duct opens at right angles, thereby defining an intersection that forms a seat for a valve disk that slides in the second duct at right angles to the seat between a closed position and an open position. The valve disk has, facing the seat, a deviation surface of curvilinear profile having a narrow base facing toward the seat and widening away from the seat configured to deflect at right angles to the first duct a gaseous stream originating therefrom. | 10-02-2008 |
