Abstract: A device includes at least one ammonia storage cartridge comprising an outlet orifice for ammonia intended to be connected to an ammonia transport circuit towards an exhaust line. The device includes an obturator to obturate the outlet orifice, and which is capable of changing between an obturation configuration of the outlet orifice and a configuration for clearance the outlet orifice. The device includes a detector to detect at least one predefined situation, and a controller to control the obturator, and which is capable of controlling the transition of the obturators towards their obturation configuration when the detector detects the predefined situation.

Abstract: An ammonia storage device has an enclosure, a solid material provided to absorb and desorb ammonia, and a heating member that heats the solid material. The storage device also has a metal foam that is positioned in the enclosure and which has open pores. The solid material essentially includes particles of suitable sizes to be housed in the pores.

Abstract: The invention relates to an impact absorbing device (10) comprising as a minimum a bumper beam (12) and mounting plates (14-1; 14-2) for mounting the bumper beam (12) to the chassis of a motor vehicle. The bumper beam (12) comprises a central part (16) and connecting ends (18-1; 18-2). The central part (16) is offset with respect to the connecting ends (18-1; 18-2), and the connecting ends (18-1; 18-2) of the bumper beam (12) are fastened to the mounting plates (14-1; 14-2) by added connecting means. The device (10) also comprises a central impact absorber (22) and repairable impact absorbers (24-1; 24-2) and said repairable impact absorbers (24-1; 24-2) are separate from the connecting ends (18-1; 18-2) of the bumper beam (12). The invention also relates to a front end equipped with such an impact absorbing device with particular application to motor vehicles.

Abstract: The energy-absorbing case (2) comprises a casing consisting of a hollow section piece which has a first end attached to the bumper beam (2) and a second end able to be fixed to the end of a longitudinal longeron (6) of the motor vehicle. The casing is filled with a metal foam with energy-absorption properties, the density of which is between 0.1 g/cm3 and 0.4 g/cm3. Application to motor vehicles.

Abstract: The energy-absorbing case (2) comprises a casing consisting of a hollow section piece which has a first end attached to the bumper beam (2) and a second end able to be fixed to the end of a longitudinal longeron (6) of the motor vehicle. The casing is filled with a metal foam with energy-absorption properties, the density of which is between 0.1 g/cm3 and 0.4 g/cm3. Application to motor vehicles.

Abstract: A front face (10) for a motor vehicle comprises a protective trim (26) which is integral with the front face (10) via linking means (30, 32) allowing shifting of the protective trim between a position (P1) close to the front face and a position (P2) spaced away from the front face, which makes it possible to construct an assembly ready to be fitted. Application to motor vehicles.