car riempitrice of containers with liquids, and process for filling containers, in particular through the car riempitrice

摘要

Machine (1) for filling containers with liquids, which comprises a rotatable carousel (10) equipped with a tank (12) for containing a liquid to be bottled, and a plurality of valve groups (13) peripherally mounted on the rotatable carousel (10) and equipped with a supply duct (14) for the flow of said liquid into containers (2) to be filled, and with an air return cannula (16). Furthermore, each valve group (13) comprises: a collection cup (29), which is connected to the upper end (16") of the air return cannula (16); a first control valve (34), actuatable to place the collection cup (29) in communication with an atmospherically pressurised evacuation circuit (31); a second control valve (35) actuatable to place the collection cup (29) in communication with a suction circuit (33', 33"). Furthermore, a logic control unit (100) operatively connected to the first and second control valves (34, 35) of each valve group (13) is provided in order to control the switch of said control valves (34,35).