| 摘要 |
FIELD: devices for cleaning of hollow articles, for instance, internal surfaces of pipelines with the help of moving appliances and removal of deposits from pipeline cavities. SUBSTANCE: device has hollow body with pipe union for supply under pressure of working medium, jet head with jet nozzles and drive for reciprocation of nose mode with impeller connected with nose by means of crank mechanism; with possible engagement of impeller with the help of working medium through pressure window of pressure bushing. EFFECT: higher efficiency of cleaning. 3 cl, 5 dwg |
