Submersible device

Claim 1

IN COMBINATION WITH A BODY OF LIQUID, A SUBMERSIBLE DEVICE FOR INTRODUCING GAS INTO SAID LIQUID COMPRISING A CLOSED HOUSING, MEANS FOR SUPPORTING SID HOUSING COMPLETELY SUBMERGED IN SAID LIQUID, SAID HOUSING INCLUDING AN UPPER PORTION AND A LOWER PORTION, SAID UPPER PORTION HAVING A TOP AND WALL MEANS DEPENDING THEREFROM PROVIDING AN AIR BELL IN SAID UPPER PORTION, SAID LOWER PORTION HAVING OPENING MEANS THEREIN BELOW SAID AIR BELL, AN ELECTRIC MOTOR MOUNTED IN THE UPPER PORTION OF SAID HOUSING ENTIRELY WITHIN SID AIR BELL, A HOLLOW SHAFT EXTENDING THROUGH SAID OPENING MEANS AND HAVING ONE END INSIDE THE LOWER PORTION OF SAID HOUSING BELOW SAID AIR BELL AND THE OTHER END OUTSIDE OF SAID HOUSING, THE INNER END OF SAID HOLLOW SHAFT OPENING INTO THE INTERIOR OF THE LOWER PORTION OF SAID HOUSING, SAID SHAFT BEING SPACED BELOW SAID MOTOR, DRIVE MEANS WITHIN SAID HOUSING DRIVINGLY INTERCONNECTING SAID ELECTRIC MOTOR AND SAID HOLLOW SHAFT FOR ROTATIONALLY DRIVING SAID FROM SAID MOTOR, MEANS IMPERFECTLY SEALING SHAFT TO SAID HOUSING AT SAID OPENING MEANS WHEREBY LIQUID CAN LEAK INTO SAID HOUSING THROUGH SAID OPENING MEANS, HOLLOW RADIALLY EXTENDING MEANS ON SAID SHAFT OUTSIDE SAID HOUSING OPENING INTO THE HOLLOW SHAFT AND HAVING SMALL APERTURES THEREIN FOR ASPIRATING FLUID FROM INSIDE SAID HOUSING THROUGH SAID HOLLOW SHAFT UPON ROTATION OF SAID SHAFT AND SAID RADIALLY EXTENDING MEANS IN SAID LIQUID, AND CONDUIT MEANS EXTENDING THROUGH SAID OPENING MEANS AND COMMUNICATING WITH A SOURCE OF GASEOUS FLUID FOR SUPPLYING SUCH GASEOUS FLUID TO THE INTERIOR OF SAID HOUSING FOR ASPIRATION THROUGH SAID SHAFT AND SAID RADIALLY EXTENDING MEANS ALONG WITH LIQUID LEAKING INTO SAID HOUSING.