Nacam France Sa

Beno&icirc;t Duval

Abdel Karim Ben Rhouma

Andr&eacute; Laisement

Philippe Badaire

Sylvain Antigny

Beno&icirc;t Paillard

Robin Thomas

Manuel Antonio Onteniente

A system for variable absorption of energy in the direction of the axis of an automobile vehicle steering column includes a steering shaft mounted in a body-tube connected to a mobile support member connected to a fixed support member fastened to the chassis of the vehicle and immobilized thereon up to a particular value. A coil is disposed on each side of the steering shaft and is connected to each of the fixed and mobile support members by a respective connecting pin A pyrotechnic displacement system operates selectively on a mobile retaining rod of each coil to modulate the absorption of energy in the event of an impact.

Vehicle steering column including a pyrotechnic charge

A linear guide device for an automobile vehicle steering column includes a steering shaft rotatably mounted inside a guide-tube which is connected to a support assembly which is fixed to the chassis of the vehicle. A fixed support member is fastened to the chassis of the vehicle. A mobile support member is connected to the fixed support member in order to constitute the support assembly and is immobilized to the fixed support member against forces up to particular value. Rolling members are disposed between fixed rollways formed on the fixed support member and mobile rollways formed on the mobile support member. The fixed and mobile rollways each lie in the required guidance direction.

Linear guide device for an automobile vehicle steering column

A modulatable energy absorption device for an automobile vehicle steering column includes a number of coils of particular section, a mobile support guided by a fixed support fastened to the vehicle and locked to the fixed support with a particular clamping force, the coils being each connected to a retaining pin and to an attachment pin consisting of a fixed holding rod and two mobile holding rods moved along their axis by a pyrotechnic actuator so as to uncoil one or more coils in the event of an impact.

Modulatable energy absorption device for automobile vehicle steering columns which uses pyrotechnic charges

A system for coupling an inner shaft and an outer shaft which slide one within the other in the direction of a common axis, the system comprising balls disposed between the inner shaft and the outer shaft in axial grooves on the inner shaft and in axial grooves on the outer shaft. Thrust is applied to each row of balls by an axial coil spring which bears in the groove and which applies thrust to two races of the balls which come into contact with the groove.

Growing community of inventors

Vendome, France

Benoît Duval

Growing community of inventors

Vendome, France

Beno&icirc;t Duval

Benoît Duval