Boeing patents electromagnetic protection against shock waves




Boeing has received a patent on a system that is designed to reduce the impact of shock waves from an explosion. The patented under US Patent No. 8,981,261, the sounding title “Method and system for shockwave attenuation via electromagnetic arc.

Despite the visual comparison Cnet on his blog makes with force fields from science fiction movies, the system can not stop physical objects, but shock waves that are caused by an explosion or adjacent weft.

Method and system for shockwave attenuation via electromagnetic arc Boeing / uspto

The system should come on as soon as a sensor detects a shock wave, whereupon an arc generator, a small surface area is able to ionize by generating a plasma field between the protecting object and the explosion. In order to be able to generate the field, the system uses lasers, electricity and microwaves. The plasma field would in temperature, density and / or composition different from the environment, which would create a buffer against shocks.

The patent further describes that a “no such buffer reduces the energy density of the shock wave as possible in part by creating a second medium in the path of the continuous shock wave, that reflects a part of the shock wave, breaks down, it absorbs and deflects’.

Because the system generates heat and the air ionizes, it is unusable for enclosing a target for a long time in this way. The entire patent is read at the United States Patent and Trademark Office.


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