Hydraulic rotary machine

Claim 1

A HYDRAULIC MACHINE WHICH IS CONVERTIBLE BETWEEN A PUMP AND A TURBINE, SAID MACHINE COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET FOR A FLUID AND DEFINING BETWEEN SAID INLET AND OUTLET A PASSAGEWAY FOR THE FLOW OF SAID FLUID, A RUNNER BODY ROTATABLY MOUNTED IN THE HOUSING IN THE PATH OF THE FLUID, A SHAFT COUPLED TO SAID RUNNER BODY FOR ROTATING THE SAME WHEN THE MACHINE IS OPERATIVE AS A PUMP AND FOR BEING DRIVEN BY THE RUNNER BODY WHEN THE MACHINE IS OPERATIVE AS A TURBINE, SAID RUNNER BODY INCLUDING A PLURALITY OF RADIAL VANES BETWEEN WHICH THE FLUID IS CONSTRAINED TO PASS, SAID RUNNER BODY HAVING AN INTERNAL RECESS, MEANS INCLUDING A CARRIER BODY AND AUXILIARY VANES DISPLACEABLY SUPPORTED IN SAID RECESS OF SAID RUNNER BODY FOR MOVEMENT BETWEEN A FIRST RETRACTED POSITION AND A SECOND PROTRUDING POSITION, THE AUXILIARY VANES IN THE LATTER POSITION BEING ALIGNED WITH AND CONSTITUTING EXTENSIONS OF SAID RADIAL VANES, AND MEANS ENGAGING THE CARRIER BODY TO MOVE THE SAME WHEN THE MACHINE IS OPERATIVE AS A TURBINE TO SAID RETRACTED POSITION AND TO MOVE THE BODY WHEN THE MACHINE IS OPERATIVE AS A PUMP TO SAID PROTRUDING POSITION, SAID FLUID AND VANES RESPECTIVELY OPERATING ON ONE ANOTHER TO CONVERT FLUID PRESSURE TO ROTATION OF THE RUNNER BODY WHEN THE MACHINE IS OPERATIVE AS A TURBINE WHEREAS UPON OPERATION AS A PUMP, THE ROTATION OF THE RUNNER BODY IS CONVERTED TO PRESSURE OF THE FLUID.