Break point fluid pressure governor mechanism

Claim 1

IN A FLUID PRESSURE GOVERNOR FOR SUPPLYING A PRESSURE SIGNAL PROPORTIONAL IN MAGNITUDE TO THE SPEED OF ROTATION OF A ROTARY MEMBER, SAID ROTARY MEMBER HAVING A PRESSURE SUPPLY PASSAGE FORMED THEREIN, A FIRST VALVE PART CARRIED BY SAID ROTARY MEMBER AND EXTENDING RADIALLY THEREFROM, A SECOND VALVE PART SLIDABLY SUPPORTED BY SAID FIRST VALVE PART, A THIRD VALVE PART SLIDABLY SUPPORTED BY SAID SECOND VALVE PART, A FLUID PRESSURE PASSAGE EXTENDING FROM SAID PRESSURE SUPPLY PASSAGE TO SAID FIRST VALVE PART, AND MEANS FOR DISTRIBUTING FLUID PRESSURE FROM SAID FLUID PRESSURE PASSAGE TO SAID SECOND AND THIRD VALVE PARTS WHEREBY THE LATTER ARE URGED RADIALLY INWARDLY WITH RESPECT TO THE AXIS OF ROTATION OF SAID ROTARY MEMBER BY A FLUID PRESSURE FORCE, SAID SECOND AND THIRD VALVE PARTS BEING URGED RADIALLY OUTWARDLY UNDER THE INFLUENCE OF CENTRIFUGAL FORCE IN OPPOSITION TO SAID FLUID PRESSURE FORCE, SAID VALVE PARTS HAVING COOPERATING VALVE LANDS WHICH ESTABLISH A DUAL EXHAUST FLOW PATH FOR ACCOMMODATING A CONTROLLED DEGREE OF COMMUNICATION BETWEEN SAID PASSAGE AND AN EXHAUST REGION, THE VALVE LAND OF EACH VALVE PART ENGAGING AND BEING MOVABLE SLIDABLY OVER THE VALVE LAND OF THE ADJACENT VALVE PART, SAID SECOND AND THIRD VALVE PARTS BEING NORMALLY URGED TOWARD AN EXHAUST FLOW PATH INTERRUPTING POSITION RELATIVE TO SAID FIRST VALVE PART.