Multiple speed ratio power transmission system with overdrive gearing

Claim 1

A MULTIPLE SPEED ROTIO POWER TRANSMISSION SYSTEM COMPRISING A HYDROKINETIC TORQUE CONVERTER MECHANISM AND PLANETARY GEARING ADAPTED TO ESTABLISH PLURAL TORQUE DELIVERY PATHS BETWEEN A DRIVING MEMBER AND A DRIVEN MEMBER, SAID CONVERTER INCLUDING AN IMPELLER, A TURBINE AND A STATOR SITUATED IN TOROIDAL FLUID FLOW RELATIONSHIP WITH THE IMPELLER CONNECTED TO SAID DRIVING MEMBER, FIRST REACTION BRAKE MEANS FOR ANCHORING ONE ELEMENT OF SAID PLANETARY GEARING TO ESTABLISH A REACTION POINT DURING LOW SPEED RATIO OPERATION, SELECTIVELY ENGAGEABLE CLUTCH MEANS FOR CONNECTING SAID TURBINE TO A FIRST POWER INPUT ELEMENT OF SAID GEARING DURING OPERATION OF SAID MECHANISM IN EACH FORWARD DRIVING SPEED RATIO, SECOND SELECTIVELY ENGAGEABLE BRAKE MEANS FOR ANCHORING A SECOND ELEMENT OF SAID GEARING TO ESTABLISH A REACTION POINT DURING OPERATION IN AN INTERMEDIATE SPEED RATIO, SECOND SELECTIVELY ENGAGEABLE CLUTCH MEANS FOR CONNECTING SAID TURBINE TO SAID SECOND ELEMENT WHEN SAID SECOND BRAKE MEANS IS RELEASED TO ESTABLISH HIGH SPEED RATIO DIRECT DRIVE OPERATION, AN OVERDRIVE PLANETARY GEAR UNIT HAVING A REACTION MEMBER CONNECTED TO A STATIONARY PORTION OF SAID SYSTEM AND A POWER OUTPUT MEMBER CONNECTED TO SAID SECOND ELEMENT OF SAID GEARING, AND MEANS FOR DELIVERING DRIVING TORQUE TO A POWER INPUT ELEMENT OF SAID OVERDRIVE GEAR UNIT FROM SAID DRIVING MEMBER.