| 摘要 |
FIELD: mechanical engineering; civil engineering. ^ SUBSTANCE: invention can be used in designing new types of street and track sweepers, machines for removing chips in shops, ventilation of working places with hazardous atmosphere, etc. According to proposed method, surface under treatment is exposed to remote action of circular gaseous jet directed square to surface. Distance from surface under treatment and beginning of jet is set equal to 2-10-fold thickness of jet at nozzle output. ^ EFFECT: simplified design, reduced service expenses, enlarged sphere of application. ^ 1 dwg |
