Abstract: The invention concerns a touch-sensitive surface (15) electrical control device comprising at least two adjacent active zones (3, 5, 7) for controlling in each active zone (3, 5, 7) a specific electrical function and a coating (13) provided on the touch-sensitive surface (15) and having surface ribs (9) for delimiting said active control zones (3, 5, 7). The invention is characterized in that the lower surface (18) of a rib (9) separating two adjacent active zones is shaped like a tensioned vault (20) between posts (17) which are solely supported outside the active zones of the touch-sensitive surface (15).

Abstract: The invention relates to a heating device comprising a housing (15), through which air to be heated can pass and which delimits a heating space controlled by a power supply control circuit connected to a power source. The heating space includes electric heating modules (14), each heating module consisting of a first and second metal tape (10, 10) that arc essentially parallel in a transversal direction (D) and of a positive temperature coefficient resistive elements (12) fixed between the two metal tapes.

Abstract: The invention relates to a system which is used to cool at least one piece of motor vehicle equipment to a low temperature, comprising a heat transfer fluid circulation loop. According to the invention, a low-temperature heat exchanger (60) and at least one equipment exchanger (102) are mounted to the aforementioned circulation loop. The heat exchange surface of the equipment exchanger (102) is divided into at least first and second heat exchange sections (104,106). A first flow (Q<SB>1</SB>) of heat-transfer fluid passes through the first heat exchange section (104), while a second smaller flow (Q2) passes through the second section. The invention is suitable for motor vehicle heat exchangers.

Abstract: The invention relates to a key, in particular for an automobile, which comprises:—a casing (3) with an upper half shell (3a) defining a lid and a lower half shell (3b) defining a casing bottom;—an insert (5, 7) pivotally mounted relative to the casing (3) and capable of movement between a rest position in which the insert (5, 7) is stowed in said casing (3) and a use position in which the insert (5, 7) is extended relative to said casing (3);—an insert (5, 7) extension device mounted in the casing (3) and including: a push button (19) axially received in a cavity (21) combined with the upper half shell (3a) and protruding from the upper half shell (3a) so as to be actuated by a user; and an elastic return member (23) for the insert (5, 7), having a first end (23a) connected to the insert (5, 7) for pivotally urging the insert (5, 7) into the use position when the push button (19) is actuated.

Abstract: A process and a device for controlling a plurality of LED assemblies of an automotive vehicle, each LED assembly (Gi) executing a specific lighting/signalling function. The electrical power level (Pi) delivered by the electrical source is modulated according to distinct power levels (Pi) with relation to the function associated with each LED assembly (Gi) and temporary multiplexing is executed in order to successively transmit the distinct power levels (Pi) to the assemblies (Gi) over a multiplexing period (Tmux). Demultiplexing is effected and each distinct electrical power level (Pi) is selectively delivered to the LED assembly (Gi) concerned.

Abstract: The invention relates to a diffusion device (1) for an automotive vehicle. The diffusion device (1) comprises a housing (2) with an ambient air inlet (3), a treated air outlet (3), a diffusion chamber (4) and an insert (7). The insert (7) is located inside the diffusion chamber (4) and contains at least one volatile agent (AV1). The insert (7) can rotate via an electric motor (12) for selectively diffusing or not the volatile agent (AV1). The diffusion device (1) also comprises a blower (13) fixed on the housing (2). The insert (7) comprises a member (15) which carries two cartridges (8, 9) containing volatile agent. The member (15) rotates with the insert (7) and can be axially displaced by extraction means. These extraction means expels the member (15) out of the housing (2) when the user pushes on the cap (14).

Abstract: The invention relates to a method for diagnosing the performance of a catalytic converter (3) of a petrol automobile onboard the vehicle, the catalytic converter being mounted on the exhaust line (1) of the vehicle, wherein said method comprises placing two oxygen probes (5, 6) on the exhaust line (1) upstream and downstream from the converter (3), respectively, analysing the signals (7, 16) thereof, and comparing the signal (16) of the downstream probe (6) with a threshold in order to carry out a passive diagnosis during a first period of the lifespan of the converter (3), after which, during a last period of the converter lifespan, an intrusive diagnosis of the converter (3) performance is carried out using the two probes (5, 6) and a diagnosis automaton, by measuring the oxygen storage capacity of the converter (3).

Abstract: The invention relates to a control device for the door leaf a transport vehicle, comprising a housing (10, 100) and, in said housing, a switch (1, 201) provided with a plunger (6, 206), a cam (115, 15) mounted so as to rotate relative to the housing, and a mobile element (102, 202) capable of a transmission movement (T) as a result of an action applied by the cam when the latter rotates (R), said mobile element also being capable, through said transmission movement (T), of acting on the plunger so as to tilt the switch from a first electric state to a second electric state, characterised in that the mobile element has a shape moulded so as to protrude from the body (100, 204) of the device.

Abstract: 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.

Abstract: The module is of the type comprising an electronic component provided with a conductive face that is electrically connected to a connection member of the component by means of a conductor that is corrugated at least in part so as to define an alternating sequence of oppositely-directed arcs, a first series of arcs being connected to the conductive face of the electronic component. The conductor also includes a second series of arcs opposite to the arcs of the first series and interposed between the arcs of the first series, the second series of arcs being connected to the conductive face of the connection member.

Abstract: An assembly for a lighting and/or signalling device of an automotive vehicle. The assembly has a bracket or support, in particular made of plastic, comprising a housing, and a motor, in particular a stepping motor, arranged so as to be able to be permanently mounted, directly, in the bracket or support housing.

Abstract: The present invention relates to a device for automatically locking and/or unlocking at least one openable panel (3) of a motor vehicle (1) comprising a remote-opening system (4) comprising a central processing unit (5) designed to be installed inside the vehicle, and a portable identification element (17), said central processing unit (5) being capable of authenticating by radiofrequency the portable identification element (17). Said device further comprises means (13) for the remote optical recognition of a predetermined movement of part of the body for locking and/or unlocking said openable panel or panels in front of which the movement has been executed in the event of positive recognition of the movement and in that the central processing unit comprises activation means (11) for activating said remote optical recognition means (13) when the portable identification element (17) is located within a predefined perimeter (19) around the vehicle (1).

Abstract: The invention relates to a method for automatically unlocking an opening member of a motor vehicle using a hands-free access system (4), comprising a central processing unit (5) intended to be installed inside the vehicle, a portable identification member (17), said central processing unit (5) being capable of communicating remotely by radiofrequency with the identification member (17) in order to authenticate it and, in response to the authentication of the identification member (17), of controlling the locking or unlocking of the opening member of the vehicle. The method comprises the following steps: the step of detecting the presence of an identification member (17) in a predefined perimeter around the vehicle; the step of authenticating that the identification member (17) is associated with the vehicle; and, in the case of positive authentication, the step of placing the access system in a “ready to unlock” state for all the opening members.

Abstract: The present invention relates to a circuit (22) for measuring an efficient current (ieff(t)) of a signal to be monitored (i(t)), characterised in that the circuit includes means for making a continuous reference signal (iDC(t)) depend on the signal to be monitored (i(t) so that the efficient current (iDCeff(t)) of the continuous reference signal (iDC(t)) is equal to the efficient current (ieff(t)) of the signal to be monitored (i(t)).

Abstract: The invention relates to a device (2) for controlling a position sensor (13) of a steering wheel (3) of a vehicle. Said device (2) includes a means (9) for generating a control signal for the acquisition periods of the position sensor (13) when the vehicle is stopped, the frequency of said signal increasing upon the detection of a variation in the position of said steering wheel (3). The invention can be used in the field of automobiles, and the position sensor can be associated with the rotor of the steering assist motor.

Abstract: A method and a device (5) for controlling an engine stop/restart system (1) to be mounted on an automobile. The device (5) includes a control module (6) that obtains at least one parameter (Tbat, Ubat, Ibat) representative of the state of an energy storage unit (8), determines information on the energetic state of the energy storage unit (8) from said at least one obtained parameter (Tbat, Ubat, Ibat), and controls the engine stop/restart system (1) based on the determined energetic state information. The energetic state information is set at a predetermined value when the method controls a stop authorization of the engine stop/restart system (1).

Abstract: Plug connections are proposed on radar sensors having plug pins which are inserted into plastic, in which the plastic (5, 6; 11) which surrounds the plug pins (4) is at least partially provided with a granulate which absorbs radar waves, such that the electrical impedance of the plastic (5; 11) has a high value in the low-frequency range, and the plastic (6) has a characteristic which absorbs radar waves in the region of higher-frequency radar waves. For this purpose, the plug pins (4) can be surrounded by a layer of plastic (5; 11) without radar-absorbent granulate, and the rest of the area surrounding the plug pins (4) consists of the plastic (6) with the granulate which absorbs radar waves.

Abstract: The invention relates to a motor vehicle with a radar device (3, 4) which is designed for detecting an object (25) located in a detection zone (7, 8) of the radar device (3, 4), wherein the detection zone (7, 8) is defined by an elevation angle zone (?1, ?2) and an azimuth angle zone (?), wherein the elevation angle zone (?1, ?2) also covers at least such a partial angle zone (?1) which lies within an angle interval of 15° to 90° above a horizontal (33) defined with respect to the motor vehicle (1).

Abstract: 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.

Abstract: The invention relates to a combined method and device for powering and charging, wherein said device comprises an AC motor (6), a converter (2), storage means (5), and switching means (4) either for enabling the powering of the motor (6) or for enabling the charging of the storage means (5) by the converter (2). The switching means (4) is integrated in the converter (2) and includes at least one H-shaped bridge structure (3) for each phase of the motor (6).