| 摘要 |
FIELD: mechanical engineering; system of hydraulic drives and hydropneumatic control system for cleaning working fluid or working gas in hydropneumatic lines with reverse flows. SUBSTANCE: proposed filter for reverse flow has cylindrical sleeve with filter element mounted in it at circular clearance and provided with inner chamber, head having two coupling holes, central chamber brought in communication with inner chamber of filter element, two peripheral chambers brought in communication with circular clearance and two check valves; inlet of each check valve is connected with inner chamber of filter element through central chamber and outlet is connected with respective coupling hole; head is additionally provided with two check valves; inlet of each of these valves is connected with respective coupling hole of head and outlet is connected with circular clearance through respective peripheral chamber and safety valve whose inlet is connected with circular clearance through one of peripheral chamber and outlet is connected with inner chamber of filter element through central chamber. EFFECT: enhanced efficiency. |
