Centrifugal separator

Claim 1

AN AIR-SEPARATING DEVICE FOR SEPARATING AIR FROM OIL AND LIKE LIQUID MEDIA WHICH COMPRISES, IN COMBINATION, A BODY HAVING THEREIN A VERTICAL BORE EXTENDING PARTIALLY THROUGH SAID BODY DEFINING A SUBSTANTIAL CYLINDRICAL CAVITY HAVING A BOTTOM, A SUBSTANTIALLY VERTICAL CYLINDRICAL WALL AND AN OPEN TOP, A COVER FOR SAID OPEN TOP, A CENTRAL SCREW EXTENDING THROUGH SAID COVER AND THREADED INTO SAID BODY AT THE BOTTOM OF SAID CAVITY TO SECURE SAID COVER REMOVABLY IN POSITION TO CLOSE THE TOP OF SAID CAVITY, A CYLINDRICAL PARTITION DISPOSED IN SAID CAVITY CONCENTRICALLY THEREWITH AND CLOSE TO BUT SPACED RADIALLY INWARDLY FROM THE CYLINDRICAL WALL OF SAID CAVITY TO DEFINE AN OUTER ANNULAR CHAMBER AND AN INNER ANNULAR CHAMBER WITHIN SAID CAVITY, SAID PARTITION EXTENDING UP FROM SAID BOTTOM AND HAVING A HEIGHT WHICH IS LESS THAN THE HEIGHT OF SAID CAVITY WHEREBY SAID INNER AND OUTER CHAMBERS ARE INTERCONNECTED ONLY AT THE TOP OF SAID PARTITION, A TANGENTIAL INLET PASSAGE FORMED IN SAID BODY AND OPENING THROUGH SAID BOTTOM TO DIRECT THE LIQUID MEDIUM TO BE FREED FROM AIR SUBSTANTIALLY TANGENTIALLY TOWARD THE INNER SURFACE OF SAID PARTITION, TO PRODUCE A ROTATIONAL MOVEMENT OF LIQUID INTRODUCED INTO SAID INNER CHAMBER THROUGH SAID INLET, A LIQUID OUTLET PASSAGE FOR THE LIQUID MEDIUM FREED FROM AIR FORMED IN SAID BODY AND OPENING INTO THE LOWER PORTION OF SAID OUTER CHAMBER, AN AIR OUTLET PASSAGE FORMED IN SAID BODY AND OPENING INTO THE BOTTOM OF THE CENTRAL PORTION OF SAID INNER CHAMBER AND MEANS ASSOCIATED WITH SAID SCREW FOR LEADING THE SEPARATED AIR FROM THE UPPER PORTION OF SAID INNER CHAMBER TO SAID AIR OUTLET FOR REMOVAL OF AIR FROM SAID INNER CHAMBER.