Combination fan and water pump drive

Claim 1

A DRIVE FOR AN INTERNAL COMBUSTION ENGINE RADIATOR COOLING FAN DEVICE HAVING FAN BLADES FOR EFFECTING AIR FLOW THROUGH THE RADIATOR AND A PUMP HAVING AN IMPELLER FOR EFFECTING FLUID FLOW THROUGH THE RADIATOR COMPRISING FLUID COUPLING MEANS HAVING AN INPUT COUPLING MEMBER TO BE DRIVEN FROM THE ENGINE AND AN OUTPUT COUPLING MEMBER, SAID INPUT AND OUTPUT COUPLING MEMBERS HAVING OPPOSED SPACED SURFACES DEFINING A FLUID SHEAR SPACE THEREBETWEEN COOPERABLE WITH A FLUID SHEAR MEDIUM FOR TRANSMITTING TORQUE THEREBETWEEN TO CONTINUOUSLY EFFECT DRIVING OF THE OUTPUT COUPLING MEMBER UPON ROTATION OF THE INPUT COUPLING MEMBER WITH THE SPEED OF ROTATION OF SAID OUTPUT COUPLING MEMBER INCREASING AT A GIVEN RATE AS ENGINE SPEED INCREASES THROUGH A LOW SPEED RANGE AND AT A LESSER RATE AS ENGINE SPEED INCREASES ABOVE THE LOW SPEED RANGE, MEANS FOR DRIVING SAID FAN BLADES AND PUMP IMPELLER FROM SAID OUTPUT COUPLING MEMBER INCLUDING SHAFT MEANS FIXEDLY CONNECTED TO SAID OUTPUT COUPLING MEMBER FOR ROTATION THEREWITH, SAID SHAFT MEANS FIXEDLY SUPPORTING THE FAN BLADES AND THE PUMP IMPELLER AND DRIVING THE PUMP IMPELLER AND FAN BLADES UPON ROTATION OF SAID OUTPUT COUPLING MEMBER AT AN ANGULAR SPEED CORRESPONDING TO THE ANGULAR SPEED OF SAID OUTPUT COUPLING MEMBER SO THAT THE FAN BLADES AND PUMP IMPELLER ARE INCREASED IN SPEED AT A GIVEN RATE THROUGH A LOW ENGINE SPEED RANGE AND AT A LESSER RATE AS ENGINE SPEED INCREASES ABOVE THE LOW SPEED RANGE.