Abstract: A claw rotor (2) provided with an insulator (11) for a field coil (10) and a rotary electric machine equipped with such a rotor, the insulator comprising a plurality of projecting petals (121, 131) intended to engage with the inner inclined periphery of a claw (9). Each of the petals (121, 131) includes: a base (122, 132) solidly connected to an associated cheek (120, 130), side edges (123, 133), and an end (124, 134). The claw-pole rotor (2) is wherein each petal (121, 131) has a thickness (e) at the side edges (123, 133) which increases from the base (122, 132) to the end (124, 134).

Abstract: A heat exchanger (1) for a motor vehicle includes a plurality of tubes (2) arranged in a first and a second row (3A, 3B); a first and a second header tank (4, 5) inside which tanks (4, 5) the tubes (2) of each of the rows (3A, 3B) emerge; and a longitudinal dividing partition (16) arranged in the first header tank (4) to divide the first header tank (4) longitudinally into refrigerant inlet and outlet compartments (17, 18) into which the tubes (2) of the first row (3A) and of the second row (3B) emerge. The longitudinal dividing partition (16) includes a plurality of transverse dividing partitions (27) arranged in the second header tank (5) to divide the second header tank (5) transversely into a plurality of return compartments (28) into which at least one tube (2) of each of the rows (3A, 3B) emerges.

Abstract: The invention concerns a device for recirculation of exhaust gases from an engine (1) of a motor vehicle, comprising a first exhaust gas recirculation line (9) called an EGR line, a first heat exchanger (10) provided on said EGR line (9) to ensure cooling of the recirculated exhaust gases, and treatment means (11) for the exhaust gases allowing limitation of the pH of the condensate arising from said gases. The treatment means (11) are provided upstream of the first exchanger (10) along the path of the exhaust gases, and the exchanger (10) comprises a heat exchanger bundle made of aluminum and/or aluminum alloy.

Abstract: The invention relates to an optical module comprising a radiator having one or more heat dissipation surfaces, a fan capable of conveying air onto the heat dissipation surface, and a light source supported by the radiator. The principle characteristic of a module according to the invention is the radiator is formed from folded metal sheets, the fan being secured to the radiator by securing means provided in the folded metal sheet.

Abstract: A rotating electrical machine, in particular to an alternator (A) or to an alternator-starter, for a motor vehicle, comprising: a rotor (2) supporting a front fan (23) at the front and a rear fan (24) at the rear, the rotor being rotatable about an axis of rotation, a stator (4) comprising a stator body and at least one winding placed on the stator body, the winding forming front and rear chignons on either side of the stator body, and a casing (1) in which the stator and the rotor are placed.

Abstract: The subject matter of the invention is a light assembly which comprises means for emitting and means for focusing one or more light beams for the lighting or the signaling of a vehicle. It also comprises a mask which extends below the focusing means. This mask has at least a first surface that can be seen by any person passing close to the vehicle and at least a second surface opposite the first surface. The mask is made from a dark diffusing material and a reflective material coating is deposited on part of the second surface while leaving a portion of this second surface free of reflective coating. Additional light-emitting means are placed opposite the second surface, such that the light rays emitted by the additional light-emitting means can pass through the mask via the portion free of reflective coating.

Abstract: According to one aspect, the invention relates to a proximity detector (10) of a motor vehicle device (Eq), the proximity detector (10) comprising:—a detection antenna (1) generating a detection signal when a user (U) is in the proximity of said device (Eq);—a printed circuit (2) processing the detection signal in order to command an action of said device (Eq);—and a conducting rod (3) for electrical connection of the detection antenna (1) to the printed circuit (2).

Abstract: A device for damping torsion oscillations comprises support rotatably movable about an axis. A pendular body comprises first and second axially spaced pendular masses movable relative to the support. The first mass disposed axially on a first side of the support and the second mass disposed axially on a second side of the support. A member connects the first and second pendular masses. Each mass includes an opening in which the connecting member is force-fitted. The openings have radially exterior and interior edges. The connecting member has radially interior and exterior edges. The radially exterior edge extends between two angular ends of the connecting member, each defined by a lug. Each mass exerts a force on each lug, and via a one nose piece projecting radially and carried by the radially interior edge of the opening or the radially interior edge of the connecting member.

Abstract: The invention mainly relates to a motor vehicle starter stator (3) comprising: —a cylinder head (4); and —a set of permanent magnets (5) mounted against an inner face (41) of the cylinder head (4). Each permanent magnet (5) from the set is magnetically oriented in a radial manner. The stator is characterized in that the mean remanence of the permanent magnet set (5) is within a range of between 0.73 and 0.87 Tesla, in particular between 0.78 and 0.83 Tesla, and preferably between 0.79 and 0.81 Tesla.

Abstract: The invention relates to a connection module 10 for a wiper device 1 of an outer surface 20 of a window 2 of a motor vehicle intended to be arranged between a windscreen wiper 30 and a driving arm 60, the connection module 10 comprising a hydraulic connector 12 and an electrical connector 14, one of the hydraulic 12 and electrical 14 connectors, called first connector, comprising at least one longitudinal electrical or hydraulic routing channel 120, the other of the hydraulic 12 and electrical 14 connectors, called second connector, comprising two longitudinal electrical or hydraulic routing channels 120, the connection module 10 being characterized in that the first connector is at least partially arranged laterally between the two longitudinal routing channels of the second connector.

Abstract: The invention relates to a method for operating a radar sensor (5, 6) of a motor vehicle (1), in which for detecting a target object (12) in an environment of the motor vehicle (1), a transmit signal (S) is emitted by means of the radar sensor (5, 6) and an echo signal reflected on the target object (12) is received as a received signal, wherein a plurality of sequences (13) each including a plurality of frequency-modulated chirp signals (14) is emitted one after the other by means of the radar sensor (5, 6) as the transmit signal (S), and wherein a transmission pause (15) respectively follows each sequence (13), in which the radar sensor (5, 6) does not emit any chirp signals (14). The period of time of the transmission pauses (15) is respectively randomly adjusted in the operation of the radar sensor (5, 6).

Abstract: The invention pertains to a valve, particularly an exhaust gas recirculation valve, said valve comprising a conduit (4) for circulating a cooling fluid having a wall (10) intended to come in contact with a circulation flange of said cooling fluid, said wall (10) having a plurality of grooves (16) and ribs (14) configured to limit contact between said flange and said wall (1) at said ribs (14), said ribs (14) being formed by machining and said grooves (16) being produced from molding the valve.

Abstract: An optical device comprising at least one first light guide having an exit face. The first guide is configured to propagate the light rays emitted by a first light source toward its exit face. The exit face is placed facing a coupling zone that forms part of the lateral surface of a generally tubular second light guide of the optical device. The optical device allows the transmission of the light emitted via the exit face of the first guide through the second guide to be improved. The optical device especially proposes the implementation of a luminous device for an automotive vehicle integrating two luminous functions.

Abstract: Header for a heat exchanger and resulting heat exchanger are disclosed. The tubular header is of the type which can receive at least one connecting flange (5, 6) with an internal fluid passage (25), and is composed of: a header plate (8) with a longitudinally open wall, provided with slots intended to receive parallel fluid flow tubes; and a cover (9) which, after assembly, closes a longitudinal opening of said header plate, the wall of this cover having at least one external collar (28) delimiting a hole for the flow of fluid (27), said connecting flange (5, 6) being attached to said cover (9) and being configured in such a way that it can be crimped onto the header (3, 4), thereby bringing the internal passage (25) into fluid communication with the hole (27) in said collar.

Abstract: The electrical connector (122) comprises: a body (124), a first contact (126) fixed to the body (124) and designed to contact a first electrical conductor (123), a second contact (134) fixed to the body (124) and designed to contact a second electrical conductor (112). The electrical connector (122) also comprises a system (142, 144) attaching the electrical connector (122) to the second electrical conductor (112), the attachment system (142, 144) being separate from the second contact (134).

Abstract: The present invention relates to a tube with a reservoir of phase-change material (1) comprising: two flow plates (3) configured to be assembled with one another, at least one reservoir plate (5) being configured to be assembled onto an external face of one of the two flow plates (3) so as to form housings, said tube with a reservoir of phase-change material (1) further comprising a filling duct (200), said filling duct (200) being formed, on the one hand, by a filling spout (201) of the reservoir plate (5) towards the outside and, on the other hand, by the external face of one of the two flow plates (3), said filling duct (200) further comprising a plug (210), said filling duct (200) and said plug (210) being contained within a volume of width smaller than or equal to the width of the tube with a reservoir of phase-change material (1) and of height less than or equal to the height of the housings.

Abstract: A heating device operating with liquid fuel in the single-line mode includes a fuel pump which draws fuel from a supply tank and delivers it into a pressure line region communicating with an atomiser nozzle opening into a combustion chamber, wherein excess fuel is returned from the pressure region to the suction side of the fuel pump by way of a pressure regulator, a return line and a bypass line. Arranged between the return line and the bypass line is a venting apparatus including an actuating element which is reciprocable between an operating position and a venting position and which in the operating position connects the return line to the bypass line to reliably seal the medium in the lines towards the exterior and in the venting position connects the return line to the exterior of the heating device and in that case closes the bypass line.

Abstract: An illuminating device may include optical sources, a diffusion plate having emission regions corresponding to the optical sources, and a control unit configured to control lighting-up/lighting-out and an emission intensity of the optical sources based upon a schedule when carrying out performance on an optical travel by the diffusion plate. The emission regions each may have a predetermined length and extend in a longitudinal direction of the diffusion plate. In the schedule, a light-up/light-out state of each optical source and an emission intensity of an optical source to be lit up are set based upon an average illuminance in an illuminance distribution of the diffusion plate by combining illuminances of lights emitted from the emission regions. For realizing a temporal change of the average illuminance set, the light-up/light-out state of each optical source and emission intensity of the optical source to be lit up in each time point are set.

Abstract: An electrical filter (10) is suitable for having a greater effectiveness for reducing the common mode current that an electrical device (30) can produce in the direction of a voltage source (20) which is used to supply this device. Such a filter can be useful for meeting the electromagnetic compatibility requirements set by the BMW Group Standard GS 95002-2 “Electromagnetic Compatibility (EMC)—requirements and tests on components up to 60 V nominal voltage”.

Abstract: The invention relates to a device for controlling an alternator of the type that controls a DC voltage (B+A) generated by the alternator (11) according to a predetermined set voltage (U0) by monitoring the intensity of an energizing current (IEXC) flowing through an energizing circuit of the alternator. According to the invention, the device includes a voltage-control loop (7) and a temperature-control loop (17) which comprises a temperature sensor supplying a current temperature (T) of components of the alternator, a subtracter (19) supplying a temperature error (?t) between the current temperature (T) and a maximum acceptable temperature (Tmax) and a control module (20) supplying a maximum admissible energizing percentage (rmax) in accordance with the temperature error according to a predetermined control law.