VACUUM PLANT Russian patent published in 2003 - IPC

FIELD: creation of vacuum in filtering devices for filtering small volumes of fluid under laboratory conditions, particularly, in conduction of sanitary-bacteriological analyses. SUBSTANCE: vacuum plant consists of pump, separator with lines of withdrawal of filtrate and gas, ejector combined in system for circulation of working fluid. Inlet pipe for working fluid is located perpendicular to separator control axis 0.01-0.15 m below level of fluid found in separator or on side opposite to outlet pipe with a distance between axis of inlet and outlet pipes amounting up to 0.01-0.15 m. EFFECT: increased efficiency of device. 2 cl, 2 dwg, 1 tbl