Homopolar electric machines

Claim 1

A HOMOPOLAR ELECTRIC GENERATOR WHICH COMPRISES, IN COMBINATION, A STATOR PROVIDED WITH A CYLINDRICAL RECESS, A CYLINDRICAL ROTOR FITTING IN SAID RECESS COAXIALLY THERETO, WITH AN ANNULAR AIR GAP BETWEEN IT AND THE WALL OF SAID CYLINDRICAL RECESS, TWO LIQUID BEARINGS FOR SAID ROTOR CARRIED BY SAID STATOR, AT A DISTANCE FROM EACH OTHER ALONG THE AXIS OF SAID STATOR, AT LEAST TWO OTHER LIQUID BEARINGS FOR SAID ROTOR CARRIED BY SAID STATOR, RESPECTIVELY ON EITHER SIDE OF THE SPACE BETWEEN SAID TWO FIRST MENTIONED BEARINGS, EACH OF SAID LIQUID BEARINGS INCLUDING A GUTTERSHAPED RING CARRIED IN FIXED POSITION BY SAID STATOR AND COAXIAL WITH SAID CYLINDRICAL RECESS, SAID RING FORMING A GROOVE TURNED TOWARD THE AXIS OF SAID CYLINDRICAL RECESS, A LIQUID BETWEEN THE BOTTOM OF SAID GROOVE AND SAID ROTOR TO BEAR SAID ROTOR, MEANS FOR FEEDING SAID LIQUID TO SAID RING, SAID LIQUID BEING ELECTRICITY CONDUCTING AND FORMING A CONDUCTOR FOR THE CURRENT FLOWING THROUGH SAID ROTOR, THE BOTTOM OF SAID GROOVE INCLUDING A PLURALITY OF NONCONTIGUOUS CYLINDRICAL PORTIONS COAXIAL WITH SAID ROTOR AND CLOSE THERETO SO AS TO LEAVE A RESTRICTED PASSAGE FOR SAID LIQUID BETWEEN EACH OF SAID CYLINDRICAL PORTIONS AND SAID ROTOR, SAID GROOVE FORMING, ON EACH SIDE OF EACH OF SAID CYLINDRICAL PORTIONS, TWO CHAMBERS OF SUBSTANTIAL RADIAL THICKNESS, CONDUIT MEANS CARRIED BY SAID STATOR FOR FEEDING SAID LIQUID TO ONE OF SAID TWO CHAMBERS AND CONDUIT MEANS CARRIED BY SAID STATOR FOR EVACUATING SAID LIQUID FROM THE OTHER OF SAID TWO CHAMBERS.