DESIGN AND FABRICATION OF PNEUMATIC SAFTEY STEERING SYSTEM.

Mechanical Engineering

The steering wheel is the important cause of fatal injury for drivers in frontal collision. When frontal collision occurs, due to the kinetic energy of driver or occupant body, it moves forward against steering wheel and wind shield. Actually in a frontal collision forces will be first transmitted through driver’s feet which act as fulcrum so the body will rotate about it. For the taller driver steering works as fulcrum. Driver head & chest hit the steering or windshield which may cause severe injury or death. Considering the injury potential of steering wheel, we are presenting a new idea pneumatic safety Steering Column. Working of pneumatic safety Steering Column can be explained. Assume that a vehicle is fitted with this system. Front side of the vehicle is arranged with some mechanical switches. Thus when frontal collision occurs, one or more mechanical switch will get compressed. Thus circuit will get closed and DC current flows to the solenoid valve from battery. Thus the compressed air from Pneumatic cylinder suddenly escapes through the solenoid valve. Thus the steering will get collapsed.

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