DEVICE FOR BATCHING FLUID Russian patent published in 1995 - IPC

FIELD: batching fluids. SUBSTANCE: device has clutch for connecting pipets, source of rarefication, housing wherein valves are received, pipet unit which controls the valves coupling the clutch with the atmosphere and intermediate tank. The clutch is connected to the rarefication source through a flexible hose and intermediate tank. Key- clamps, arresters of key-clamp stroke, and the second rarefication source are mounted inside the housing. Each rarefication source is made up as a flexible member secured from the both sides by connecting pipes provided with suction and delivery valves. The first rarefication source is connected with the clutch trough the suction valve and to the atmosphere through the delivery valve. The second vacuum source is connected to the clutch through the delivery valve and to the atmosphere through the suction valve. The key-clamps is in contact with the flexible members and arresters. The pipet unit is pivotally connected to the housing. EFFECT: heightened accuracy of batching. 3 dwg