Automatic transmission

Claim 1

IN A VEHICLE TRANSMISSION, AN INPUT SHAFT, AN OUTPUT SHAFT, A FIRST PUMP OPERATED SYNCHRONOUSLY WITH SAID INPUT SHAFT AND SUPPLYING LIQUID TO A SUPPLY CHAMBER, A SECOND PUMP OPERATED SYNCHRONOUSLY WITH SAID OUTPUT SHAFT HAVING AN INLET PORT AND SUPPLYING LIQUID TO A GOVERNOR CHAMBER, VALVE MEANS OPERATIVE ON AN INCREASE IN THE PRESSURE OF THE LIQUID IN SAID SUPPLY CHAMBER TO A SELECTED VALUE TO ESTABLISH COMMUNICATION BETWEEN SAID GOVERNOR CHAMBER AND AN EXHAUST ORIFICE, VALVE MEANS OPERATIVE ON AN INCREASE IN THE PRESSURE OF THE LIQUID IN SAID GOVERNOR CHAMBER TO A VALUE SUBSTANTIALLY ABOVE SAID SELECTED VALUE TO ALSO ESTABLISH COMMUNICATION BETWEEN SAID GOVENOR CHAMBER AND AN EXHAUST PASSAGE, MEANS FOR SUPPLYING LIQUID FROM SAID SUPPLY CHAMBER TO A SUPPLY PASSAGE, MEANS FOR ALSO SUPPLYING LIQUID FROM SAID GOVERNOR CHAMBER TO SAID SUPPLY PASSAGE, AN OPERATING CHAMBER, A SHIFT VALVE BIASED TO A FIRST POSITION AND MOVABLE THEREFROM TO A SECOND POSITION ON AN INCREASE IN THE PRESSURE OF THE LIQUID IN SAID GOVERNOR CHAMBER, SAID SHIFT VALVE BEING EFFECTIVE IN SAID FIRST POSITION TO CONNECT SAID OPERATING CHAMBER TO EXHAUST AND BEING EFFECTIVE IN SAID SECOND POSITION TO CONNECT SAID OPERATING CHAMBER TO SAID SUPPLY PASSAGE, MEANS FOR SUPPLYING LIQUID FROM SAID SUPPLY CHAMBER OF SAID FIRST PUMP TO THE INLET PORT OF SAID SECOND PUMP, AND A HYDRAULICALLY OPERATED CONTROL DEVICE EFFECTIVE ON AN INCREASE IN THE PRESSURE OF THE LIQUID IN SAID OPERATING CHAMBER TO OR ABOVE SAID SELECTED VALUE TO ESTABLISH DRIVING CONNECTION BETWEEN SAID INPUT AND OUTPUT SHAFTS.