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Your Next Car Could Have Airbags That Inflate on the Outside
dimanche 24 février 2019, 05:34 , par Slashdot
German auto supplier ZF Friedrichshafen AG has spent 10 years working on external airbags for cars, according to Popular Mechanics, and 'The tech is finally ready for carmakers -- that is, if ZF can convince them to buy it.'
With ZF's system, each side sill (the outside bodywork underneath the car doors) packs one airbag that runs the full length of the doors. Sensors on the car will watch out for any objects that look likely to slam into the side of the car. When the computers decide a crash is imminent and unavoidable, they deploy from the side sill, revealing the airbag. In no more than 100 milliseconds, inflators pump up the airbag to the height of a typical front bumper. One advantage of outside airbags is that they disperse the forces of impact. An oncoming car about the slam into the side of your vehicle would strike with the relatively small surface area of its front bumperâ'and an even smaller surface if it strikes at an angle. But when a car hits an inflated airbag, the impact force is spread through the airbag and along the length of the vehicle's side structure, which reduces energy loads. ZF says its tech reduces intrusions into the passenger cabin by 30 up to percent, and reduces injury levels by 20 to 30 percent. Read more of this story at Slashdot.
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