Vibrator

Claim 1

A VIBRATOR, COMPRISING: A HOUSING HAVING A CYLINDRICAL RACEWAY AND END WALLS DEFINING A ROTOR CHAMBER, AN INLET PORT FOR MOTIVE FLUID CENTERED IN AN END WALL, AND OUTLET PORTS COMMUNICATING WITH THE PERIPHERAL PORTION OF SAID ROTOR CHAMBER; AND A ROTOR IN THE FORM OF A HOLLOW CYLINDER DEFINING INTERNALLY A PRESSURE CHAMBER AND AXIALLY DIMENSIONED TO FIT SLIDABLY BETWEEN SAID END WALLS; SAID ROTOR HAVING AN OUTSIDE DIAMETER SO RELATED TO THE DIAMETER OF SAID RACEWAY THAT, WHEN SAID ROTOR IS TANGENT TO SAID RACEWAY, AN END SURFACE OF THE WALL OF SAID ROTOR ISOLATES SAID INLET PORTION FROM DIRECT COMMUNICATION WITH SAID ROTOR CHAMBER EXTERNALLY OF SAID ROTOR, SAID PRESSURE CHAMBER BEING IN COMMUNICATION WITH SAID INLET PORT TO RECEIVE MOTIVE FLUID FOR FLOW OF A PORTION THEREOF BETWEEN THE AXIAL ENDS OF SAID ROTOR AND SAID CASING THEREBY TO CAUSE SAID ROTOR TO FLOAT ON SAID MOTIVE FLUID IN SAID CASING; AND SAID ROTOR HAVING A SET OF REACTION PASSAGES, EACH HAVING AN INLET END INTERSECTING SAID END SURFACE AND A DISCHARGE END INTERSECTING THE OUTSIDE SURFACE OF SAID ROTOR FOR FLOW OF FLUID THROUGH THOSE PASSAGES IN REGISTRY WITH SAID INLET PORT, SAID REACTION PORTS BEING SO ORIENTED THAT, WHEN EXPOSED TO SAID INLET PORT, A REACTION FORCE IS PRODUCED TENDING TO URGE SAID ROTOR AGAINST SAID RACEWAY AND TENDING TO CAUSE ROTATION OF SAID ROTOR.