Remote control fluid coupling

Claim 1

A FLUID COUPLING DEVICE COMPRISING A DRIVE SHAFT, DRIVEN MEANS COMPRISING AN OUTER CASING AND A DIVIDER PLATE ROTATABLY MOUNTED ON SAID SHAFT, SAID DIVIDER PLATE SEPARATING THE SPACE WHEREIN SAID CASING INTO A FLUID RESERVOIR AND A DRIVE CHAMBER, A DRIVE DISC MOUNTED ON SAID SHAFT WITHIN SAID DRIVE CHAMBER, OPPOSED SHEAR SURFACES ON SAID DRIVE DISC AND SAID DRIVEN MEANS DISPOSED IN CLOSE FACE-TO-FACE AND SPACED RELATIONSHIP, A PORT PROVIDING FLUID COMMUNICATION BETWEEN SAID RESERVOIR AND SAID DRIVE CHAMBER FOR FILLING THE SPACES BETWEEN SAID SHEAR SURFACES WITH FLUID FROM SAID RESERVOIR TO CREATE FLUID DRIVE COUPLING OF SAID CASING AND SAID DISC, THE DEGREE OF COUPLING THEREBETWEEN VARYING WITH VOLUME OF FLUID IN SAID DRIVE CHAMBER, A PUMP MEANS WITHIN SAID CAUSING FOR TRANSFERRING FLUID BETWEEN SAID CHAMBER AND SAID RESERVOIR THROUGH SAID PORT, AND MAGNETIC MEANS FOR OPERATING SAID PUMP MEANS TO THEREBY VARY THE DEGREE OF COUPLING OF SAID CASING AND DISC IN RESPONSE TO CHANGES IN SAID CONDITION.