VACUUM FILTER FOR CLEANING LIQUID Russian patent published in 1995 - IPC

FIELD: filtering. SUBSTANCE: filter has housing with chambers 1,2 separated by baffle 3. Branch pipes 14,15 are mounted inside the housing. The chambers are connected with the system for supplying contaminated liquid through valve 4 and with system 7 for collecting exhaust liquid through valve 6. Shaft 8 is set in bearings 11 having seal 12. Drums 9,10 are mounted on the shaft. Branch pipes 14,15 are secured to bed 13 and connected with tanks 18,19 for collecting vapor through valves 16,17. End switches 20,21 are mounted inside branch pipes 9,10. Filtering hoses 22,23 are wound on the drums in opposite directions. The ends of the hoses are secured to the branch pipes. The valves are controlled by a programmer. EFFECT: improved design. 1 dwg