Hydraulic speed regulator for engines and motors

Claim 1

IN A HYDRAULIC SPEED REGULATOR FOR A PRIME MOVER WHEREIN THE SPEED OF THE PRIME MOVER IS REGULATED BY A FLUID SERVOMOTOR CONTROLLED BY FLUID PRESSURE; A ROTOR ADAPTED FOR HEATING DRIVEN BY THE PRIME MOVER AND PROVIDED WITH A CENTRAL AXIAL BORE AND RADIAL BORE MEANS LOCATED OUTWARDLY OF THE AXIAL BORE, PASSAGE MEANS LEADING FROM SAID AXIAL BORE TO THE RADIALLY INNER END OF SAID RADIAL BORE MEANS, RADIALLY MOVEABLE VALVE ELEMENT MEANS IN SAID RADIAL BORE MEANS ADAPTED BY MOVEMENT IN THE RADIAL BORE MEANS TOWARD SAID RADIALLY INNER END THEREOF TO RESTRICT SAID PASSAGE MEANS, SAID VALVE ELEMENT MEANS HAVING A RADIALLY INNER SIDE EXPOSED TO FLUID IN THE RADIALLY INNER END OF THE RADIAL BORE MEANS AND A RADIALLY OUTER SIDE EXPOSED TO FLUID IN THE RADIALLY OUTER END OF SAID RADIAL BORE MEANS, A SOURCE OF FLUID UNDER PRESSURE, MEANS FOR SUPPLYING FLUID FROM SAID SOURCE TO SAID AXIAL BORE AND TO THE RADIALLY OUTER END OF SAID RADIAL BORE MEANS, MEANS FOR EXHAUSTING FLUID FROM THE RADIALLY INNER END OF SAID RADIAL BORE MEANS, SAID VALVE ELEMENT MEANS BEING ACTUATED IN RADIAL MOVEMENT IN THE RADIAL BORE MEANS SOLELY BY FLUID PRESSURES ACTING ON THE RADIALLY INNER AND RADIALLY OUTER SIDES THEREOF AND BY CENTRIFUGAL FORCES DEVELOPED THEREON BY ROTATION OF SAID ROTOR, AND MEANS OPERATIVELY CONNECTING SAID SERVOMOTOR WITH SAID AXIAL BORE FOR ACTUATION OF THE SERVOMOTOR IN CONFORMITY WITH THE FLUID PRESSURE IN SAID AXIAL BORE.