Abstract: An optical device of an automotive vehicle comprises a first luminous source and a light duct designed to conduct light originating from the luminous source in the form of a beam with substantially parallel rays. The light duct comprises a rear face forming at least one reflecting facet designed to return some of the beam substantially along an optical axis (E) of the light duct. It also comprises a front face fashioned as at least one dioptric element associated optically with each reflecting facet and through which the light exits the light duct after return by the associated reflecting facet. Each dioptric element is configured so as to be stigmatic between a point in the substance of the light duct situated in immediate proximity to the center (Oi) of the associated reflecting facet and a point situated at infinity.

Abstract: In the heating device, PTC heating elements arranged between current rails lying opposite each other are used, which are fed with supply current from a control electronics unit via the current rails. Metallic heating rib structures are respectively coupled to one of the current rails via an electrically insulating but thermally conducting coupling layer. The air to be heated flows through the heating rib structures which have an undulating shape. The metallic heating rib structures are electrically connected to vehicle ground and thus form a shield that eliminates emissions of electromagnetic interfering radiation without impeding the flow of air.

Abstract: The invention relates to a control module (13) for an electric appliance (10), comprising a printed circuit board (19) whereon electrical and electronic components (26) are mounted along with at least one power transistor (18) fixed to a first region (20) of the printed circuit board (19) and comprising a drain (D) connected to a first electrically conductive track (22) of said first region (20) and a source (S) connected to a second electroconductive track (23) of a second region (21) of the printed circuit board (19). At least one opening (27) forms a material discontinuity between the first and second regions (20, 21) of the printed circuit board (19), said opening (27) being arranged between the first and second conductive tracks (22, 23).

Abstract: An electromagnetic clutch includes a rotor, an armature plate that is disposed to face the rotor, an excitation coil that is accommodated on the inside of the rotor, and generates an attracting force attracting the armature plate onto the rotor, a temperature fuse that is disposed on the excitation coil side further than a side end surface of the rotor, and blocks the electric connection to the excitation coil when exceeding a predetermined temperature, an outer and inner magnetic blocking portion on the side end surface of the rotor, and an intermediate magnetic blocking portion in the armature plate in a position between the outer and the inner magnetic blocking portions, in which an annular groove is formed on the side end surface to include the inner magnetic blocking portion, and in which a friction member protruding from the side end surface is disposed in the annular groove.

Abstract: The invention relates to a control module (4) for an electric appliance (3), comprising: a printed circuit board (11), on which electrical and electronic components (12) are mounted; and an electronic power component (10) separated from the printed circuit board (11) and held in relation thereto by means of at least one electrical connection body (18a, 18b, 18c) fixed to the printed circuit board (11) and connected to one (D) of the terminals (S, D, G) of the electronic power component (10).

Abstract: A plate (20) for a heat transfer tube (4) made from a metal sheet includes a peripheral outer wall (10) and having at least one first cavity (24) and least one second cavity (26) respectively formed in the metal sheet. The first cavity (24) is in contact with the peripheral outer wall (10) and the second cavity (26) is arranged at a distance from the outer wall (10). A heat transfer tube (4) of a heat exchanger (1) includes a pair of such plates (20) and a heat exchanger (1) includes a plurality of such tubes (4).

Abstract: A light guide comprising an external surface forming a guiding diopter, the guide being suitable for guiding light rays by reflection on the guiding diopter. The guide comprises at least one decoupling portion, with a refraction decoupling diopter arranged so as to refract light rays to decouple them from the guide, and thus transmit them out of the guide through the refraction decoupling diopter.

Abstract: A driver device (P) for a plurality of light blocks (LED_DRL/PL, LED_TI) of a motor vehicle comprising at least two inputs (P1, P2), each of the inputs being suitable for receiving, respectively, a first and a second execution control signals (SCF_DRL, SCF_TI/PL), the driver device being suitable for selecting at least one of the light blocks as a function of at least one of the execution control signals and delivering an electrical power supply to said selected light block, the driver device comprises at least one controller receiving said execution control signals, the controller being suitable for delivering, as a function of the logic state of execution control signals, a switching control signal (SCC) for switching the electrical power supply to the selected light block or blocks and a control signal for controlling the level of power (SCA) of the electrical power supply of the selected light block or blocks.

Abstract: A motor vehicle key includes a casing, an insert, a mechanism for deploying the insert, an upper rim of an upper area of the support, and a lower rim of a lower area of the support, the upper rim and the lower rim extending between a rotation end of the key and a blocking end, the upper area and the lower area forming a movement sector of the support, a first play between the rotation end and the support. The movement sector of the support includes at least one constriction point, exhibiting a second play, smaller than the first play, in relation to said support.

Abstract: The invention mainly relates to a part for uncoupling a motor and the mounting thereof, which is characterized in that it comprises a rigid connecting part (8) that is to be coaxially placed in the central portion (3) of the core of the stator (2) and includes a central ring (11) for receiving the rotatable shaft of the rotor of the motor (1), from which at least two arms (12) extend, the free ends of which are intended to abut against the inner wall (13) of the core of the stator (2) and form at least two spaces for placing a flexible uncoupling pad (9) that radially extends from the outer surface of the central ring (11) of the rigid connecting part (8), against which the uncoupling pad (9) abuts, to a rigid assembly tab (10) that is to axially extend into the central portion (3) of the core of the stator (2), near the inner surface (13) of said core of the stator (2), while being rigidly connected to the motor mounting (4).

Abstract: An electrical circuit for supplying electrical propulsion power on board a motor vehicle is disclosed. The electrical power is obtained from power delivered to the electrical circuit by a battery of the vehicle and converted by at least two cells. The circuit includes inductive elements connected to transistors for managing the current flowing in the inductive elements, and the inductive elements are coupled to form a magnetic circuit. The magnetic circuit is alternatively controlled according to a common mode in which an apparent inductance of the said magnetic circuit is of the order of magnitude of the sum of the inductances specific to each inductive element, or according to a differential mode in which the apparent inductance of the said magnetic circuit is of the order of magnitude of the leakage inductance of the coupling between the said coupled inductive elements.

Abstract: A lighting and/or signaling device and a light ray guide (N) formed by a guide plate comprising a light entry face, a light exit face and a reflection face having an elliptical profile toward the rear adapted to assure reflection of light rays entering the guide plate through the light entry face toward a focus point (F) located at the level of the light exit face of the guide plate.

Abstract: A formulation for the preparation of a wiping blade element for a vehicle windscreen wiper blade is disclosed. The formulation has an elastomer material based on chloroprene rubber in which plasticizing additives are incorporated, where the plasticizing additives include a combination of at least a first additive, the pour point of which is less than ?50° C., and at least a second additive, the pour point of which is greater than ?50° C. The first additive is octyl sebacate in a proportion of 4 phr and the second is a naphthalic oil plasticizer or a C18-C30 tricarboxylic ester in a proportion of 10 phr.

Abstract: A heat exchanger is disclosed. The heat exchanger has a heat exchange assembly which defines first circulation channels for the circulation of a gas to be cooled and second circulation channels for the circulation of a cooling liquid, and two gas intake and gas outlet collectors, respectively, which are assembled on two open faces of the heat exchange assembly, respectively, in which the first circulation channels open. A first collector is crimped to the heat exchange assembly and a second collector is soldered or welded to the heat exchange assembly.

Abstract: A method for the output of a warning signal for warning the driver of a motor vehicle about the presence of a vehicle-external target object in a warning region, which is prescribed in relation to the motor vehicle, by means of a driver assistance system of the motor vehicle, in which a radar sensor is used to transmit electromagnetic radar signals into a sensing region of the radar sensor in each of successive measurement cycles of the radar sensor and to receive received signals, the received signals are used for detection of the target object by means of the radar sensor and for tracking said target object in the sensing region over the measurement cycles, and, if the target object enters the prescribed warning region, the warning signal is output by means of an output device.

Abstract: A method for unambiguous determination of a range to and/or of a relative velocity of an object with respect to a motor vehicle is disclosed. An unambiguity area (RUn) for the range and/or an unambiguity area (VUn) for the relative velocity may be determined by means of a frequency-modulation continuous-wave radar in the motor vehicle, with a predetermined sequence of frequency-modulated signal pulses being transmitted by the frequency-modulation continuous-wave radar in a measurement cycle. Mutually different unambiguity areas (RUn) for the range and/or mutually different unambiguity areas (VUn) for the relative velocity are defined for at least two successive measurement cycles, and the range and/or the relative velocity are/is determined on the basis of, in each case, at least one measured value for the range and/or for the relative velocity from each measurement cycle.

Abstract: The invention relates to a windscreen wiper system, particularly for a motor vehicle. The system comprises a wiper blade (4) hinged to a drive arm (1) via an adaptor (2) connected to the arm (1) and to a hydraulic connector (3), which in turn is connected to the blade (4) and comprises at least one inlet coupling (6) designed to be coupled to a cleaning and de-icing fluid feed (5). The system also comprises a rigid joining part (7, 8), one end of which is coupled to the inlet coupling (6), and the other end of which is intended to be coupled to the fluid feed (5). In this way, the connection between the fluid feed (5) and the connector is made secure and reliable. In addition, the joining part provides an offset which makes connecting and disconnecting easier for the user, particularly when the user wishes to change a worn blade, and enables the whole of the connection to be concealed more easily and then given a more attractive appearance.

Abstract: The invention relates to a method for programming a wiper system (10; 10a) for vehicle windscreens, in which for operating respectively a windscreen wiper (14, 15) a wiper module (12, 13) on the driver's side is programmed as master module (36) and a wiper module (12, 13) on the passenger's side is programmed as slave module (37), wherein the wiper modules (12, 13) consist of a reversing motor (18), if applicable a gear (19), a holder (22, 23) for fastening to the body of a vehicle, and a control (20), wherein in the control (20) at least data for a program sequence (38), vehicle-specific characteristic data (39) and data for the operation of the wiper module (12, 13) as master module (36) or respectively as slave module (37) are stored, wherein at least the wiper module (12, 13) on the driver's side is connected via an on-board wiring system interface (30) and a first data communication line (32) with a vehicle control unit (28).

Abstract: The method according to the invention involves limiting the charging of a vehicle alternator by only authorizing progressive augmentation of a current duty cycle (DC) of an excitation signal (7) of the alternator from an initial duty cycle to an expected duty cycle (EpsU) calculated by a control loop (1, 5, 6) of the alternator. According to the invention, a complementary limitation of the charging of the alternator involves limiting the increase of the current duty cycle (DC) according to at least one parameter of the heat engine involving an angular acceleration (mot) and/or a rotation speed (Nmot) of the heat motor. In particular, this complementary limitation can additionally involve limiting the increase of the current duty cycle (DC) according to a negative value of the angular acceleration (mot).

Abstract: A connecting device between a wiper arm and a wiper blade is disclosed. The wiper blade has an elongated wiper blade body with an adapter element which serves for exchangeable connecting to a connection region of the wiper arm, where the connection region of the wiper arm has a substantially U-shaped mount for the adapter element with an upper boundary surface and two lateral boundary surfaces. The mount overlaps the adapter element at least in the region of the boundary surfaces, and a first spoiler element is constructed in the connection region of the wiper arm for increasing the aerodynamic contact pressure of the wiper arm onto the wiper blade.