Abstract: The subject of the invention is a reflector device for a lighting module of a motor vehicle. The device includes a housing made of plastic, wherein the internal faces are metallized so as to reflect the light received. The housing on an external face of one of its walls has reception means able to house a support including at least one light source, the wall having an opening which leads toward the inside of the housing and which allows the light emitted by the light source or sources to propagate toward the inside of the housing. According to the provisions of the invention, the external face of the housing may be connected to ground potential so as to act as a shield against the electromagnetic waves emitted by various electronic components.

Abstract: The invention relates to a compression and expansion machine comprising a body (12a) with at least one chamber (12) of revolution about an axis of symmetry, and pistons (14a, 14b, 14c, 14d) rotating about the axis of symmetry and dividing the chamber into cells (15a, 15b, 15c, 15d) rotating with the pistons, said machine furthermore comprising a device (22) for coordinating the movement of said pistons and configured so that, during one rotation cycle, each cell (15a, 15b, 15c, 15d) performs at least one first expansion/contraction cycle corresponding to a stage of compressing a first stream of gas passing through this cell and at least one second expansion/contraction cycle corresponding to a stage of expanding a second stream of gas passing through this cell.

Abstract: The present invention relates to a lighting module for a motor vehicle headlamp module including a light source able to emit light radiation, a processing device able to generate a light flux from said light radiation, and an imaging optical system able to project an exit beam from said light flux. The lighting module includes means for controlling an angular aperture of the exit beam, the angular aperture being chosen from a first aperture and a second aperture, the first aperture corresponding to a wider angle than the second aperture, so that, for a given intensity of the light radiation of the light source, the exit beam corresponding to the second aperture has a higher light intensity than the exit beam corresponding to the first aperture.

Abstract: The invention relates to a light module for a motor vehicle comprising an optical element intended to generate a beam with a partly oblique cut-off, the optical element comprising at least one optical portion having an optical axis, and at least one light source configured to cooperate with said portion intended to generate at least the part of the beam comprising the oblique cut-off. The optical module comprises at least two distinct positions for arranging the light source, the light source occupying one of the two positions, each of the positions being defined on either side of the optical axis of the optical portion so as to generate a beam with oblique cut-off to the right in the first position and a beam with oblique cut-off to the left in the second position.

Abstract: A part made of transparent material comprising at least two individual portions each consisting of an input surface and an output surface, the output surface being focused on the input surface of the same portion, the output surfaces being contiguous so as to form an overall output surface of the part which is continuous. Furthermore, the input surfaces are separated at a distance from one another in order to prevent rays from a light source placed on the input surface of a portion from being able to pass through the output surface of the adjacent individual portion.

Abstract: The invention relates to a sensor arrangement on a steering column (2) of a motor vehicle and consists of at least two sensors (10, 11, 20, 21) for redundant capture of the torque applied to the steering column (2) and/or for capture of the rotation angle of the steering column (2). The sensors (10, 11, 20, 21) of the sensor arrangement (9) are connected to a power supply (VDD, GND) via electrical lines (30, 31, 32, 33), each of the sensors (10, 11, 20, 21) transmitting data to a controller (8) via a signal line (16, 17, 26, 27). In order to reduce the number of connecting cables to the controller (8), provision is made for the signal lines (16, 17, 26, 27) from two sensors (10, 11, 20, 21) to be connected to the controller (8) via a common data line (34, 35, 36).

Abstract: A method of projecting an image includes emitting a light beam, forming an image from the light beam, and attenuating the light beam by controlling an AC signal between two voltage levels. The image is formed by projecting image frames. The switching of the AC signal from one voltage level to the other is controlled between projections of the image frames.

Abstract: The invention notably relates to a light-emitting module of a terrestrial vehicle having at least one semiconductor light source including a mostly semiconductor material substrate, the substrate having a first face and a second face. The light source further includes electroluminescent elements with submillimeter dimensions extending from the first face of the substrate, and at least one heatsink cooperating with the second face of the substrate to evacuate the heat produced by the light source. The invention therefore offers an improved light-emitting module for terrestrial vehicles.

Abstract: Alighting device for a vehicle includes a light source for generating light, and a lighting panel having a light emitting side and a light reflecting side opposing the light emitting side. The lighting panel includes an optical fiber layer having a plurality of optical fibers each configured to emit the light along a length of the optical fiber. The plurality of optical fibers are arranged in a predetermined form such that the optical fiber layer has a first side facing the light emitting side of the lighting panel and a second side facing the light reflecting side of the lighting panel. A reflecting layer is provided on the second side of the optical fiber layer and is configured to reflect the light toward the first side of the optical fiber layer. At least one layer of the lighting panel is an aesthetic layer selected for aesthetic appeal and being visible from the light emitting side of the lighting panel in an unlit state.

Abstract: A lighting and/or signaling device for a motor vehicle, including an internal chamber housing an optical system and at least one element made of polymer material having a surface directed toward the interior of the chamber, wherein the surface directed toward the interior of the chamber is provided with a sealing layer forming a barrier to the ingress of water molecules to the chamber. The method for manufacturing such a device is also a subject of the invention.

Abstract: The invention relates notably to a vehicle headlamp including at least one housing, at least one supporting element for a light source located inside the housing, a system for adjusting the position of the light source in relation to the vehicle, and a system for evacuating heat from the inside of the housing to the outside of the housing. The invention thus provides an improved headlamp.

Abstract: A device for micro-adjustment of a lighting module has a first end including a thread to be driven into a surface of the lighting module. A second end of the device includes a micro-adjustment thread for attachment of a nut. A flange is positioned between the thread of the first end and the micro-adjustment adjustment thread of the second end. The device also includes a driving feature positioned between the flange and the micro-adjustment adjustment thread. The driving feature has an outer diameter that is smaller than an outer diameter of the flange.

Abstract: The invention relates to a method for driving an operating arrangement (2) for a motor vehicle (1), in which, by means of an operating element (4, 4?) which is arranged on a steering wheel (5) of the motor vehicle (1) and which has a touch-sensitive screen, a touch of at least one finger (9) on the operating element (4, 4?) is registered as an operating action and, by means of a control device (3), a unit (8) is activated on the basis of the operating action registered, in a first operating mode of the operating element (4, 4?), a pointer (11) displayed on a display device (10) of the unit (8) being controlled by means of the control device (3) and, in a second operating mode of the operating element (4, 4?) at least one switching area (15) being displayed on the operating element (4, 4?), and the touch on the switching area (15) being registered as the operating action.

Abstract: The invention relates to a sensor device (100) having an incremental sensor unit (40, 40?, 40?) for a shaft rotatable about a rotational axis, in particular for a steering shaft of a motor vehicle, wherein the incremental sensor unit (40, 40?, 40?) is designed to acquire at least one defined rotational angle position of the shaft. The incremental sensor unit (40, 40?, 40?) comprises a transmitting element (41, 41?) and a housing-fixed receiving element (42), wherein a signal (MInk_planar) emitted by the transmitting element (41, 41?) and transmitted along a signal path is receivable by the receiving element (42) and it is recognizable on the basis of the signal (MInk_planar) received by the receiving element (42) whether the shaft is located in the defined rotational angle position (?def) or not. If the shaft reaches the defined rotational angle position (?def), a signal pulse can be generated.

Abstract: The invention relates to a device for the electrical connection of at least one light source to an electric power supply device. The device is specifically employed in a lighting device for a motor vehicle, and permits the arrangement of light sources remotely from the connecting element which, in turn, can be arranged remotely from an electric power supply device of the light sources. The connecting device permits a high degree of freedom in the arrangement of light sources in relation to the device, as it casts little shadow upon the light sources, whilst ensuring the effective dissipation of heat generated thereby.

Abstract: A combined power supply and charging method includes controlling switching from a motor power supply mode to an energy storage charging mode on an electrical network and vice versa, and compensating for magnetic fields during the energy storage charging mode in order to limit or eliminate movements of a rotor of the motor.

Abstract: The method according to the invention is implemented in an alternator-starter (1) comprising phase windings (u,v,w) connected to an inverter (3) linked to an onboard electrical network (2) powered by a battery for operation as a starter. The invention involves controlling the inverter in a chopped full-wave control mode when the rotational speed (?) of the alternator-starter is lower than at least a threshold speed and in a full-wave control mode when the rotational speed is higher than the threshold speed. According to a specific embodiment, the switching between the chopped full-wave control mode and the full-wave control mode takes place according to a hysteresis cycle using two predefined threshold speeds.

Abstract: The invention relates to a device for admitting inlet gases and/or recirculated exhaust gases into an internal combustion engine cylinder, the device comprising a duct designed to supply said cylinder with inlet gases and/or with recirculated exhaust gases, characterized in that said device further comprises, in the duct, a flow control means that can be operated between a first position in which said duct supplies the cylinder with the inlet gases and a second position in which said duct supplies the cylinder with the recirculated exhaust gases. It also relates to the intake module and to the engine equipped therewith.

Abstract: The invention pertains to a three-way valve (1), particularly one intended to be used in an air intake circuit of a motor vehicle, comprising: a body (200) delimiting a first (2), a second (3), and a third (4) conduit, said conduits opening into a shared inner space (201), a first flap (21) capable of being moved to obstruct the first conduit, a second flap (20) capable of being moved to selectively obstruct either the second or the third conduit, a single actuator being arranged to selectively move at least one of the first and second flaps.

Abstract: The present invention relates to a thermal battery comprising an enclosure comprising a fluid inlet and outlet and comprising within it tubes (1) of encapsulated phase-change material, said tubes (1) being arranged parallel to the circulating flow of fluid, said tubes (1) comprising radial spacers (3) for spacing said tubes (1) apart.