Infinitely variable speed transmission

Claim 1

A TRANSMISSION HAVING POWER INPUT AND OUTPUT SHAFTS, AND A PLURALITY OF TORQUE TRANSMITTING DEVICES CONNECTING SAID SHAFTS FOR PROVIDING A PLURALITY OF DRIVES THEREBETWEEN, SAID DEVICES INCLUDING A MECHANICAL INFINITELY VARIABLE SPEED FRICTION DRIVE UNIT AND A HYDRODYNAMIC DRIVE UNIT AND A PLANETARY GEARSET, SAID MECHANICAL UNIT HAVING ROLLING ELEMENTS FRICTIONALLY ENGAGING INNER AND OUTER RACES AND SUPPORTED IN A CARRIER MEMBER, SAID HYDRODYNAMIC UNIT INCLUDING A PUMP AND A TURBINE, SAID GEARSET HAVING ROTATABLE MEMBERS INCLUDING A DRIVEN MEMBER, FIRST MEANS CONNECTING ONE OF SAID RACES AND SAID PUMP IN PARALLEL TO SAID INPUT SHAFT, SECOND MEANS SEPARATELY CONNECTING SAID TURBINE AND CARRIER MEMBER TO ROTATABLE MEMBERS OF SAID GEARSET, MEANS CONNECTING SAID GEARSET DRIVEN MEMBER TO SAID OUTPUT SHAFT, AND MEANS FOR HOLDING THE OTHER OF SAID RACES STATIONARY TO PROVIDE A REDUCTION DRIVE FROM THE SAID ONE RACE TO SAID ROLLING ELEMENT CARRIER MEMBER AND GEARSET, SAID UNITS HAVING DIFFERENT TORQUE CAPACITIES PROVIDING A REGENERATIVE DRIVE OF SAID FRICTION DRIVE UNIT THROUGH SAID CONNECTIONS.