Abstract: A speed limiter for the regulation of the speed of an internal combustion engine wherein in addition to a first kinematic linkage chain between a manually operable acceleration pedal and an engine throttle is provided a second computer controlled kinematic linkage chain which can assume speed regulation control in such a way that the second chain can take over from the first when the first has maximally opened the throttle and without the first chain hindering the functioning of the second under the command of the computer as soon as the vehicle has entered the prescribed range of regulation. In one embodiment the second kinematic chain includes a pneumatic actuator coupled to the throttle and operable by means of the opening electrovalves as controlled by the computer in accordance with vehicle speed and acceleration. In another embodiment, the second kinematic linkage chain includes a reversible motor having a shaft rotatable under the control of the system computer.

Abstract: This invention relates to a pedestrian protection device for motor vehicles which comprises essentially a hinged member adapted to be raised to an operative position from a normally lower inoperative position on the motor vehicle.More particularly, this hinged member constitutes a kind of transverse beam or barrier having side flanges provided with two series of connecting means associated with a pair of trunnions permitting the rotation of said beam and secured to said side flanges. The second series of connecting means provides an operative connection between the beam and the thrust rod of a cylinder and piston unit having its cylinder pivoted to the vehicle body. The essential purpose of this device is to protect pedestrians against the dangers of running into a car.

Abstract: A cable is mounted on a winding drum coupled with the output shaft of a reversible motor which is caused to rotate by control means when an operating parameter of the vehicle exceeds or goes below a predetermined value. The cable is kept taut and its free end is connected by resilient means to a mobile member which is connected to the accelerator control linkage.