Abstract: The invention relates to a motor vehicle floor having a lower floor made from a composite material; and an upper floor made from a composite material, extending opposite at least part of the lower floor, the lower and upper floors being connected to one another. The floor includes at least one cavity at least partially delimited by the lower or upper floor and communicating with the exhaust line of the motor vehicle.

Abstract: The vehicle floor assembly comprises a floor and at least one attachment device for attachment of a vehicle safety component to the floor, the attachment device comprising a anchoring part for anchoring the attachment device to the floor and an attachment part for attaching a safety component to the attachment device. The anchoring part is received and sandwiched between two opposed walls of a box structure of the floor, the attachment part being accessible through an opening provided in one of the two walls.

Abstract: This method for producing a plastic material part, comprises at least a reinforcing element made of at least one fibrous insert made of a composite material, using an injection mold comprising a first part and a second part defining between them a molding cavity having the shape of the plastic material part to be produced, said method comprising the steps of: transporting and placing the reinforcing element onto the first part of the injection mold using a manipulating tool, shaping the fibrous insert into the reinforcing element, injecting a plastic material into the mold such that the reinforcing element is overmolded by the plastic material and the plastic material part is produced, wherein the manipulating tool comprises at least one shaping area having the shape of one side of the reinforcing element, the fibrous insert being placed in said shaping area during the transportation of the fibrous insert to the first part of the mold and being shaped into the reinforcing element by said shaping area and s

Abstract: The energy-absorption device (5) for a motor vehicle that comprises: a first energy-absorption member (50), in a first plastic material, provided so as to perfectly deform under the effect of an impact of given energy by absorbing a first portion of the energy of said impact; a second energy-absorption member (52), in a second plastic material different from the first plastic material, provided so as to plastically deform under the effect of said impact of given energy by absorbing a second portion of the energy of said impact; the first and second energy-absorption members (50, 52) being conformed so that the energy-absorption device (5) has a total intrusion-resisting force comprised between 75 and 200 kN, at any temperature comprised between ?30° C. and 80° C.

Abstract: The invention relates to a motor vehicle floor having a lower floor made from a composite material; and an upper floor made from a composite material, extending opposite at least part of the lower floor, the lower and upper floors being connected to one another. The floor includes at least one cavity at least partially delimited by the lower or upper floor and communicating with the exhaust line of the motor vehicle.

Abstract: The vehicle floor assembly comprises a floor and at least one attachment device for attachment of a vehicle safety component to the floor, the attachment device comprising a anchoring part for anchoring the attachment device to the floor and an attachment part for attaching a safety component to the attachment device. The anchoring part is received and sandwiched between two opposed walls of a box structure of the floor, the attachment part being accessible through an opening provided in one of the two walls.

Abstract: The invention relates to an energy absorption device for a motor vehicle, said device comprising a structure provided so as to plastically deform under the effect of an impact of a given energy, the structure being made of a matrix of a ductile plastic material and high-tenacity fibers embedded in the matrix, the majority of the fibers having a length of between 0.1 and 10 mm, and the material comprising between 2 and 10 wt % of high-tenacity fibers.

Abstract: This front-end assembly (4) comprises a front-end module (16), at least one railplate (18A, 18B) adapted to be attached to a rail (14A, 14B) of a motor vehicle chassis, and means for fastening the railplate (18A, 18B) to the front-end module (16), the railplate (18A, 18B) comprising at least one hole for receiving a pin.

Abstract: A sensor device is provided. The sensor device includes a sensor pad for detecting an object in a detection area by measuring the impedance variation of the sensor pad, the sensor device further including a back focus plate disposed behind the sensor pad relative to the detection area and a first surrounding focus plate arranged around the sensor pad. The sensor device includes a signal generator that drives the sensor pad and the focus plates with a first set of signals having a predetermined constant phase, frequency and voltage amplitude. The sensor device further comprises at least a second surrounding focus plate arranged around the first surrounding focus plate, the second surrounding focus plate being driven with a second set of signals that are different from the first set of signals feeding the sensor pad.

Abstract: A rear-end element (2) for a motor vehicle includes a carrier structural element (6) forming an energy-absorbing element after impact, and a carrier structural frame (8). At least the carrier structural element (6) has a cellular structure formed of cells (30, 32) extending longitudinally through the carrier structural element (6) between a back face and a front face of the carrier structural element (6) and opening onto the back and/or front face of the carrier structural element (6). A rear end (44) which includes the rear-end element (2).

Abstract: The motor vehicle front assembly according to the invention comprises a first relatively deformable trim element, and a second relatively deformable trim element, separate from the first. The front assembly comprises a rigid fastener element for fastening trim elements to the body shell of the vehicle, the fastener element comprising: fastener means for fixing the fastener element to the body shell of the vehicle; fastener means for fixing the first trim element to the fastener element; and fastener means for fixing the second trim element to the fastener element; the fastener element forming a one-piece assembly.

Abstract: This device (4) allows the detection of the presence of an object in a detection zone by measuring a variation in capacitance brought about by the presence of the object. It includes an element (6) for emitting an electric field, an element (8) for receiving an electric field, and elements for measuring the coupling capacitance between the emission element (6) and the reception element (8), the emission element (6) emitting an electrical signal received by the reception element (8) so that a coupling capacitance of a predetermined value is established between the emission element (6) and the reception element (8) when no object is present in the detection zone, a variation in the coupling capacitance indicating the displacement of an object in the detection zone and the establishment of a capacitance of a different value from the predetermined value indicating the presence of a static object.

Abstract: A detection device for detecting an object by measuring the capacitance variation of the detection device includes at least a pair of sensor pads, each sensor pad being able to transmit or to receive an electric field. Each sensor pad can be used to measure the impedance variation of the pad, each sensor pad being driven by a driven rail impedance measuring system including an inverter, an oscillator, a power supply rail driver and switches, the measuring system being able to change the sensor pad function from electric field transmitter to electric field receiver or impedance measurer by turning on and off the oscillator to the input of the power supply rail driver of the inverter.

Abstract: A reinforced structural part and method are provided. The reinforced structural part includes a body made from a plastic material provided with a core made from a metallic material. The method includes the steps of positioning the metallic core in a first mold cavity, injecting a plastic material into the first mold cavity, the cavity being arranged so that the plastic material over-molds at least part of the inner surface of the core, positioning the over-molded metal core in a second mold cavity and injecting a plastic material into said second mold cavity, the cavity being arranged so that the plastic material over-molds the entire outer surface of the core.

Abstract: The invention relates to an energy absorption device for a motor vehicle, said device comprising a structure provided so as to plastically deform under the effect of an impact of a given energy, the structure being made of a matrix of a ductile plastic material and high-tenacity fibers embedded in the matrix, the majority of the fibers having a length of between 0.1 and 10 mm, and the material comprising between 2 and 10 wt % of high-tenacity fibers.

Abstract: The energy-absorption device (5) for a motor vehicle that comprises: a first energy-absorption member (50), in a first plastic material, provided so as to perfectly deform under the effect of an impact of given energy by absorbing a first portion of the energy of said impact; a second energy-absorption member (52), in a second plastic material different from the first plastic material, provided so as to plastically deform under the effect of said impact of given energy by absorbing a second portion of the energy of said impact; the first and second energy-absorption members (50, 52) being conformed so that the energy-absorption device (5) has a total intrusion-resisting force comprised between 75 and 200 kN, at any temperature comprised between ?30° C. and 80° C.

Abstract: A rear-end element (2) for a motor vehicle includes a carrier structural element (6) forming an energy-absorbing element after impact, and a carrier structural frame (8). At least the carrier structural element (6) has a cellular structure formed of cells (30, 32) extending longitudinally through the carrier structural element (6) between a back face and a front face of the carrier structural element (6) and opening onto the back and/or front face of the carrier structural element (6). A rear end (44) which includes the rear-end element (2).

Abstract: This rear-end element (2) for motor vehicle includes a carrier structural element (6) forming an energy-absorbing element after impact, and a carrier structural frame (8). At least the carrier structural element (6) has a cellular structure formed of cells (30, 32) extending longitudinally through the carrier structural element (6) between a back face and a front face of the carrier structural element (6) and opening onto the back and/or front face of the carrier structural element (6). A rear end (44) which includes the rear-end element (2).

Abstract: The motor vehicle front assembly (10) according to the invention comprises a first relatively deformable trim element (12), and a second relatively deformable trim element (14), separate from the first (12). The front assembly (10) comprises a rigid fastener element (18) for fastening trim elements (12, 14) to the body shell of the vehicle, the fastener element (18) comprising: fastener means (62) for fixing the fastener element (18) to the body shell of the vehicle; fastener means for fixing the first trim element (12) to the fastener element (18); and fastener means for fixing the second trim element (14) to the fastener element (18); the fastener element (18) forming a one-piece assembly.

Abstract: This bumper assembly is adapted for a motor vehicle having a structure including a pair of upper side members (6) and a pair of lower side members (8). It includes an energy absorbing panel (12) having at least two columns (16) each provided to bear on the ends of an upper side member (6) and a lower side member (8) and a beam (18) extending transversely between the columns (16). According to one embodiment, the bumper assembly includes a plate (36) doubling the beam (18) such that the beam (18) is compressed between a frontal face (36a) of the plate (36) in case of impact. The device is applicable to front or rear bumpers.