Electrically powered wheel

Claim 1

A VEHICLE WHEEL COMPRISING A DRIVE AXLE, A HUB AND RIM ROTATABLY CARRIED BY SAID AXLE, A HOUSING, SAID AXLE BEING JOURNALED THROUGH THE CENTER OF SAID HOUSING, AN ELECTRIC MOTOR, A HYDROSTATIC PUMP AND A PLURALITY OF HYDROSTATIC MOTORS ALL MOUNTED WITHIN SAID HOUSING AT SPACED POINTS AROUND SAID AXLE, GEAR MEANS DRIVINGLY CONNECTING SAID ELECTRIC MOTOR TO SAID PUMP, AN ANNULAR DISTRIBUTOR VALVE PLATE FOR CONNECTING SAID HYDROSTATIC UNITS FOR THE FLOW OF FLUID THEREBETWEEN WHEREBY SAID HYDROSTATIC PUMP DRIVES SAID HYDROSTATIC MOTORS THROUGH SAID VALVE PLATE, A PLANETARY GEAR COUPLING THE OUTPUT FROM SAID HYDROSTATIC MOTORS TO SAID AXLE, MEANS ON EACH OF SAID HYDROSTATIC UNITS FOR VARYING ITS DISPLACEMENT, AND CAM RING WITHIN SAID HOUSING HAVING A CAM SLOT FOR EACH OF SAID HYDROSTATIC UNITS, MEANS FOR ROTATING SAID CAM RING THROUGH A LIMITED ANGLE ABOUT THE AXIS OF ROTATION OF SAID AXLE, AND MEANS CARRIED IN SAID CAM SLOTS FOR ACTUATING SAID DISPLACEMENT VARYING MEANS UPON ROTATION OF SAID CAM RING.