Patents Assigned to Peugeot Citroën Automobiles SA
  • Method for controlling the coupling and the decoupling of the first motor and second motor of a parallel hybrid motive power group
    Patent number: 8109855
    Abstract: The invention relates to a method for controlling the coupling and the decoupling of the first motor and of the second motor of a parallel hybrid motive power group comprising a first motor (11) driving an input shaft (4) at the entrance of a gear box (15), a second motor (12) and a coupling/decoupling means (13) of the second motor and of the first motor, maneuverable between an open position and a closed position, for enabling a change with regard to the gearbox when the motor group operates in hybrid mode, according to which the motive power group is controlled for decoupling the second motor and the first motor then changing the ratio of the gear box, and recoupling the second motor and the first motor.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: February 7, 2012
    Assignee: Peugeot Citroen Automobiles SA
    Inventors: Yvan Le Neindre, Gaetan Rocq
  • Dashboard seal
    Patent number: 8104818
    Abstract: The invention relates to a dashboard seal provided between the windshield (1), the sound-proofing wall (2) of the engine compartment and the dashboard (3) in the passenger compartment of the vehicle. The dashboard seal is characterized in that the upper lip (6) includes a closed pocket (8) extending along a transverse section under the latter and limited by said upper lip (6), by the clamp (5) and, at the lower portion thereof, by a connection arm (8a) connected both to the upper lip (6) and to the clamp (5).
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: January 31, 2012
    Assignee: Peugeot Citroen Automobiles SA
    Inventors: Philippe Barre, Jacques Matusik
  • Bipolar plate for fuel cell comprising a connecting channel
    Patent number: 8105727
    Abstract: The invention concerns a bipolar plate for fuel cell, of the type comprising a cathode bipolar half-plate and an anode bipolar half-plate attached to each other, each bipolar half-plate (1) consisting of a plate including in its central part an active region (2) and at its peripheral part a plurality of cut-outs (4) designed to form at least two oxidant boxes, at least two fuel boxes and at least two coolant boxes, the bipolar plate including at least one connecting channel between each peripheral cut-out and the active region. The invention is characterized in that each connecting channel of a peripheral cut-out with the active region consists of at least one rib (8) in a bipolar half-plate.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: January 31, 2012
    Assignees: Peugeot Citroen Automobiles SA, Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Damien Lemasson, Guillaume Joncquet, Jean-Philippe Poirot-Crouvezier
  • Device for reheating the water of the windscreen washers of a motor vehicle
    Patent number: 8100168
    Abstract: The invention relates to a device for reheating the water of the windscreen washers of a motor vehicle comprising, in the engine compartment thereof, a degassing box (1) forming part of the engine cooling system, and at least one tank (3) for pressurised washing water, said tank being associated with a circulation pump which pumps water therefrom and supplies said water to nozzles for spraying the same over the windscreens. The inventive device is characterised in that the tank (3) at least partially surrounds the degassing box (1), leaving a separation space of a determined thickness thereinbetween, and a double-walled hollow body (4) is integrated into said space, defining a closed thermal insulating volume.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: January 24, 2012
    Assignee: Peugeot Citroen Automobiles SA
    Inventor: Gerard Jeuffe
  • Method for Monitoring Pollutant Emissions of a Combustion Engine, Power Train, and Vehicle Fitted With Said Power Train
    Publication number: 20120011846
    Abstract: The invention relates to a method for monitoring the pollutant emissions of a combustion engine comprising at least one piston (1), the translatable movement of which defines a combustion chamber, said engine being combined with an exhaust line (9) that comprises, in the direction of the exhaust gas flow, an oxidation catalyst (14), an NOx reduction catalyst (15), and a particle filter (18), the method being characterized by the use of a fuel comprising an additive assisting in soot combustion when re-refined by the particle filter (18) and, according to at least one operating mode of the engine, the fuel is injected in accordance with a calibration minimizing carbon dioxide discharges by the engine.
    Type: Application
    Filed: February 12, 2010
    Publication date: January 19, 2012
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventors: Arnaud Audouin, Christophe Charial, Pierre-Henri Maesse
  • Method For Optimizing The Power Consumption Of A Hybrid And Plug-In Vehicle, And Hybrid And Plug-In Vehicle Implementing Said Method
    Publication number: 20120010769
    Abstract: The invention relates to a method for optimising the power consumption of a hybrid and plug-in vehicle (1) comprising two traction modes, an electric (3) traction mode and a combustion (4) traction mode. Said method includes: determining the distance travelled between two consecutive recharges of the vehicle (1) by the mains; determining the electric energy available at a time “t” in an electric energy storage device (2); and determining a parameter “mu” according to the distance travelled between two consecutive recharges of the vehicle (1) by the mains and the electric energy available in the storage device (2).
    Type: Application
    Filed: April 16, 2010
    Publication date: January 12, 2012
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventors: Thomas Sourioux, Nicolas Robart
  • Dual Material Device, Casing and Vehicle Provided With Said Device, and Method for Making Said Device
    Publication number: 20110318096
    Abstract: The invention relates to a dual material device that includes an insert (12), a part (14) made of a material other than that of) the insert, the insert and the part being assembled by moulding one around the other, the interface between the insert and the part defining at least one junction plane (40), and a bore (26, 28) for receiving a pin, formed in said device and extending through the junction plane, wherein the bore includes an inlet chamfer (36) for guiding the pin up to a pin engagement section (38), characterised in that the inlet chamfer (36) extends beyond the junction plane (40).
    Type: Application
    Filed: February 15, 2010
    Publication date: December 29, 2011
    Applicant: Peugeot Citroen Automobiles SA
    Inventor: David Lausch
  • METHOD FOR SECURING THE OPERATION OF A VOLTAGE-HOLDING DEVICE FOR A VEHICLE
    Publication number: 20110298277
    Abstract: The invention relates to a method for securing the operation of a voltage-holding device (DMT) used for starting or restarting the heat engine of a vehicle, said device being electrically connected by a multiplex network (12) to an electric machine (10) and to a monitoring computer (4). According to the invention, the DMT can be activated only if it has previously received an activation authorisation message (16, 18), which can be a starting or restarting (16) message, sent by said computer (14) to said electric machine (10) and to said voltage holding device (DMT), or a message (18) transmitted by said electric machine (10) indicating it is about to restart the heat engine.
    Type: Application
    Filed: January 19, 2010
    Publication date: December 8, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventor: Olivier Daunas
  • METHOD AND DEVICE FOR CLASSIFYING A BATTERY
    Publication number: 20110295533
    Abstract: The invention relates to a device for classifying a battery produced by assembling electricity-accumulating elements (1, 2, 3, 4, 5) divided into groups. In the device, a component (22) is provided for evaluating the degrees of ageing, each of which is associated with a distinct group, and for allocating, to the battery, in accordance with statistical distribution parameters of the evaluated degrees of ageing, a classification level that is representative of the potential performances of the battery during use.
    Type: Application
    Filed: January 28, 2010
    Publication date: December 1, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventor: Denis Porcellato
  • Method and Device for Managing the Power From A Power Train of A Hybrid Motor Vehicle
    Publication number: 20110282534
    Abstract: The invention relates to a method and a device for managing the power from a power train of a hybrid motor vehicle, taking into account one or more operational parameters of at least one element of said power train. The method is characterised in that the determination of the consumption gain (6) is based on one or more operational parameters of at least one or part of said elements (1 to 5) in the power train. Advantageously, said operational parameter is the respective temperature of at least one or part of the elements (1 to 5) in the power train. The invention is suitable for use in the field of motor vehicles.
    Type: Application
    Filed: December 24, 2009
    Publication date: November 17, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventors: Nawal Jaljal, Fabien Mercier-Calvairac, Vincent Mulot, Patrick Lagonotte
  • Suspension control device, vehicle comprising said device, production method thereof and associated program
    Patent number: 8060277
    Abstract: The invention relates to a device for controlling the suspension of the body shell of a motor vehicle. According to the invention, the device comprises: a sensor for sensing wheel travel in relation to the body shell for each wheel, a first means (20, 21) for calculating a variable modal shock absorption gain bmod as a function of at least the travel measurements in order to calculate a first set modal shock absorption stress Fmod using formula: Fmod=?bmod·Vmod and a second means (22) for calculating the set force of the shock absorber as a function of the first stress Fmod.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: November 15, 2011
    Assignee: Peugeot Citroen Automobiles SA
    Inventor: Francois Poilbout
  • MOTOR VEHICLE REAR TRAIN HAVING A TWO ARM SUSPENSION WITH A VERTICAL OPENING
    Publication number: 20110272912
    Abstract: The goal of the invention is a rear axle (31) for automotive vehicle, including two suspension arms (22) oscillating in a vertical plane around a forward located axis, and each comprising in the rear of their respective arm, a hub support (24) for mounting of a rear wheel (34), said axle furthermore comprising a deformable cross beam (8) connecting the two suspension arms (22), characterized in that each suspension arm comprises a vertical opening with closed contour, situated in the width of the arm, arranged in front of the axis of the hub support, between the cross beam and the hub support, and accommodating a shock absorber (10) of which one lower mounting is connected to the suspension arm (22).
    Type: Application
    Filed: May 7, 2010
    Publication date: November 10, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventor: François Le Gourvellec
  • Method for blocking wheels of a hybrid vehicle when stopped and associated transmission device
    Patent number: 8055415
    Abstract: The invention essentially relates to a method for blocking wheels of a vehicle when stopped in which a transmission device (1) is placed between an output (2) of a heat engine (3) and a wheel (5) axle shaft (4). This device (1) comprises an input shaft (13) connected to the output (2) of the engine (3), an output shaft (31) connected to the wheel axle shaft (4), and at least one electrical machine (6, 7). The device also comprises a mechanical assembly (12) interconnecting the input shaft (13), the output shaft (31) and the shaft (8, 9) of the machine. This assembly (12) is connected to a bridge (15) that, in turn, is connected to the wheel (5) axle shaft (4). The invention provides that, in order to block the wheels when the vehicle is stopped and to limit an observable torque on the elements of the assembly (12), the wheel axle shaft is blocked by the mechanical assembly.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: November 8, 2011
    Assignee: Peugeot Citroen Automobiles SA
    Inventors: Serge Belmont, Olivier Boury, Sebastien Besnard
  • METHOD AND DEVICE FOR CONTROLLING THE AWAKING OF FACILITIES BELONGING TO AT LEAST ONE MULTIPLEXED NETWORK, BY COUNTING UNTIMELY WAKE-UPS
    Publication number: 20110271132
    Abstract: A device (D) is dedicated to the control of the waking of facilities (OE11-OE23) forming part of an assembly of at least one multiplexed network (R1-R2) managed by a management facility (OM).
    Type: Application
    Filed: December 21, 2009
    Publication date: November 3, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventors: Matthieu Merey-Marzat, Antony Boisserie, Vincent Sollier
  • Sensor structure in particular for a harsh environment in a motor vehicle and preheater plug comprising such a sensor
    Patent number: 8047067
    Abstract: A sensor structure notably for a harsh environment in a motor vehicle is disclosed. The sensor structure has a sensor body (1) having at one end an element (2) sensitive to the quantity to be measured in the harsh environment and at another end a connection circuit (3) for the latter, placed away from the harsh environment, and physically separated from one another. The sensor structure is connected by means for transmitting information by carrier current on an electrical conductor (5) of the sensor with which the sensitive element and the connection circuit are associated by wireless coupling means and between which are provided means (4) for protecting the connection circuit from the environment.
    Type: Grant
    Filed: September 4, 2006
    Date of Patent: November 1, 2011
    Assignees: Peugeot Citroen Automobiles SA., Commissariat a l'Energie Atomique
    Inventors: Bernard Bavoux, Jean-Sébastien Danel, Philippe Robert, Maxime Pauly
  • Method for controlling a stop and automatic restart device for a thermal engine
    Patent number: 8047173
    Abstract: The invention relates to a method for controlling a stop and automatic restart device for a thermal engine of a vehicle, comprising electric energy storage means and a reversible alternator connected to the thermal engine. The method comprises: comparing (16, 18) the temperature of the alternator (10) with a first predetermined temperature detecting (16, 18) the occurrence of at least one of the two following conditions concerning the electric energy storage means: a temperature (12) lower than a second predetermined temperature and a charge level (14) lower than a predetermined threshold; and if the alternator temperature is higher than the first predetermined temperature and if at least one of said two conditions occurs, inhibiting (26) the automatic restart of the engine.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: November 1, 2011
    Assignee: Peugeot Citroen Automobiles SA
    Inventor: Philippe Jourdes
  • DELIVERY HEAD FOR A FUEL CELL
    Publication number: 20110262821
    Abstract: The invention relates to a fluid delivery head for an electrochemical cell, for example a fuel cell. The delivery head combines the inlets and outlets of the lines for delivering the fluids, notably hydrogen and oxygen. The hydrogen delivery line feeds an active part of the fuel cell and includes a cavity in communication with a discharge pipe via a solenoid valve. The invention performs several functions with a minimum of elements and with reduced bulk.
    Type: Application
    Filed: June 15, 2009
    Publication date: October 27, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventors: Sadok Garnit, Francis Roy, Guillaume Joncquet, Jean-Philippe Poirot-Crouvezier
  • Device for distributing incoming gases in an internal combustion air supply system
    Patent number: 8020539
    Abstract: The invention relates to a device for distributing the incoming gases in an internal combustion air supply system. This system comprises a fresh air intake pipe (1) and an exhaust gas recirculation intake pipe (2) and the internal combustion engine comprises, for each cylinder, a cylinder head that forms a lid over it, at least one inlet gas intake valve (3, 4) and at least one exhaust valve (5) which are mounted in the cylinder head and, in the case of a multi-cylinder engine, a distributor (7) connecting at least the fresh air intake pipe (1) to the cylinders. In this device, the fresh air intake pipe (1) and the exhaust gas recirculation intake pipe (2) are connected to each of the cylinders independently of one another, each of them (1, 2) via an intake valve (3, 4) dedicated to it (1, 2).
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: September 20, 2011
    Assignee: Peugeot Citroen Automobiles SA
    Inventor: Bertrand Maunoury
  • Method and system for adjusting the operation parameters of an injection thermal engine while reducing effluents
    Patent number: 8005604
    Abstract: The invention relates to a method for adjusting the operation parameters of an injection internal combustion engine (10), that comprises the following steps: setting a stability setpoint Ss, calculating an engine stability index Is, calculating the stability deviation Es equal to the difference between the stability setpoint Ss and the stability index Is, processing the stability deviation Es using a regulator (18) that provides an setpoint to be applied to one of the engine operation parameters, said parameter being selected by a calculator (20) or supervisor that controls the adjustment so that the corrective action applied optimizes the effluent level and/or the thermal energy available at the exhaust while respecting the stability setpoint Ss.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: August 23, 2011
    Assignee: Peugeot Citroen Automobiles SA
    Inventor: Frederic Gourves
  • ROTATING ELECTRIC MACHINE WITH HOMOPOLAR DOUBLE EXCITATION
    Publication number: 20110193441
    Abstract: The present invention essentially relates to an electric machine (1.1) with homopolar double excitation, comprising a rotor particularly consisting of a central portion (51) made of a solid magnetic material and a laminated annular portion (53) located at the periphery of the solid portion. In addition, the rotor comprises permanent magnets (54), the magnetisation thereof being radially oriented relative to the axis (33) of the rotor (31), and separated from one another such that the double excitation flow generated by the field coils (38, 39) can enter the rotor (31, 67) via the flanges (48, 49) of the rotor, and come back out via the spaces between the magnets (54), or vice-versa.
    Type: Application
    Filed: November 9, 2009
    Publication date: August 11, 2011
    Applicant: PEUGEOT CITROEN AUTOMOBILES SA
    Inventors: Victor Moynot, Franck Chabot, Michel Lecrivain, Mohamed Gabsi, Sami Hlioui