FIELD: transport; protection of automobile body against corrosion. SUBSTANCE: invention belongs to methods of protection of metal structures by action of current. negative potential is created on body by means of electro static energy appearing during running of vehicle both due to friction between body and air and friction of parts inside sallon one against the other. Two operations are to be combined to create negative potential on automobile body using electric and electrostatic energy. Value of voltage drop across semiconductor device indicates that electric energy protection is cut into operation. Device is antistatic member connected to automobile body through semiconductor device. Negative potential on automobile body both in running and at parking, prevents corrosion. EFFECT: enhanced anticorrosive protection of body. 3 cl, 1 dwg
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