Hydraulic power installation

Claim 1

IN A HIGH POWER INSTALLATION COMPRISING A WATER CONFINING PASSAGE HAVING AN UPSTREAM END AT A HIGHER LEVEL THAN THE DOWNSTREAM END AND INCLUDING AN UPPER SURFACE PORTION, A TURBINE RUNNER ROTATABLY SUPPORTED IN THE UPSTREAM END OF SAID PASSAGE, A SUBSTANTIALLY HORIZONTAL SHAFT HAVING AN UPSTREAM END CONNECTED TO SAID TURBINE RUNNER AND AN OPPOSITE DOWNSTREAM END PASSING THROUGH SAID UPPER SURFACE PORTION OF THE WATER CONFINING PASSAGE, CYLINDRICAL HOLLOW SHAFT ALLEY SURROUNDING THE RUNNER SHAFT IN SPACED SEALING RELATION THEREWITH AT OPPOSITE ENDS OF SAID SHAFT, SAID SHAFT ALLEY BEING SUPPORTED IN SAID UPPER SURFACE PORTION OF THE WATER CONFINING PASSAGE ADJACENT THE DOWNSTREAM END OF SAID SHAFT, SAID ALLEY HAVING AN UPSTREAM SURFACE UPON WHICH THE FLOWING FLUID IMPINGES, AND A DOWNSTREAM SURFACE UPON WHICH THE FLOWING LOW PRESSURE POCKET OCCURS, A PLURALITY OF APERTURES IN SAID DOWNSTREAM SURFACE PROVIDING COMMUNICATION BETWEEN THE INTERIOR OF SAID ALLEY AND SAID LOW PRESSURE POCKET, MEANS COMMUNICATING WITTH SAID INTERIOR OF SAID ALLEY AND THE ADJACENT ATMOSPHERE WHEREBY ATMOSPHERE AIR CAN BE DRAWN INTO SAID POCKET, AND A ROTARY MACHINE SUPPORTED ABOVE THE LEVEL OF SAID DOWNSTREAM END OF SAID PASSAGE, IN DOWNSTREAM RELATION TO SAID RUNNER AND WITHOUT SAID PASSAGE, SAID MACHINE BEING CONNECTED IN DRIVEN RELATION TO SAID DOWNSTREAM END OF SAID SHAFT.