TRACTION FORCE BUILDING-UP METHOD Russian patent published in 1998 - IPC

FIELD: transport engineering; air cushion vehicles; design of engine and propulsion units for road, water, air and space vehicles. SUBSTANCE: chamber provided with at least one outlet to atmosphere is filled with flowing medium at pressure lower or higher than ambient pressure. In the first case flowing medium is pumped out, and in the second case flowing medium is delivered from source placed inside and/or outside the chamber and jet curtain of flowing medium is used which is formed by nozzle connected to chamber output, to input of which flowing medium is delivered from its source using recirculation of flowing medium of jet curtain, and output of chamber is separated from ambient medium by jet curtain of flowing medium. EFFECT: enlarged operating capabilities. 3 dwg