Power transmitting apparatus

Claim 1

IN A POWER TRANSMISSION APPARATUS AN INPUT SHAFT, MEANS FOR DRIVING SAID INPUT SHAFT ROTARY MOTION, A FIRSTHYDRAULIC PUMP MOUNTED ON SAID INPUT SHAFT AND DRIVEN THEREBY, AN INPUT INTERNAL GEAR MOUNTED ON SAID INPUT SHAFT, AN OUTPUT SHAFT, A CASING ROTATABLY SUPPORTED BY SAID INPUT AND OUTPUT SHAFTS, AN OUTPUT INTERNAL GEAR MOUNTED ON SAID OUTPUT SHAFT, INPUT AND OUTPUT PINIONS ENGAGING RESPECTIVELY WITH SAID INPUT AND OUTPUT INTERNAL GEARS, FIRST AND SECOND PINION SHAFTS RESPECTIVELY PROJECTING WITHIN SAID CASING, FIRST AND SECOND MESHING GEARS WITHIN SAID CASING MOUNTED ON SAID PINION SHAFTS RESPECTIVELY, A SUMP, A FIRST HYDRAULIC CONDUIT FROM SAID SUMP TO SAID FIRST HYDRAULIC PUMP, A SECOND HYDRAULIC CONDUIT FROM SAID PUMP, A THIRD HYDRAULIC CONDUIT OUT OF SAID CASING TO SAID SUMP, A FOURTH HYDRAULIC CONDUIT INTO SAID CASING, A FIRST CONTROL MEANS FOR INTERCONNECTING SAID SECOND AND FOURTH CONDUITS AND FOR DIRECTING SAID SECOND AND FOURTH CONDUITS TO SAID SUMP AND SECOND CONTROL MEANS FOR INHIBITING FLOW OF FLUID IN SAID FOURTH HYDRAULIC CONDUIT.