Multiple speed fan drive

Claim 1

IN COMBINATION, AN ENGINE HAVING A CRANKSHAFT, LIQUID FOR COOLING SAID ENGINE AND A FAN FOR COOLING SAID LIQUID, A VARIABLE SPEED DRIVE FOR DRIVING SAID COOLING FAN, SAID DRIVE COMPRISING, A HOUSING SECURED TO SAID ENGINE, AN OUTPUT SHAFT JOURNALED IN SAID HOUSING HAVING SAID FAN SECURED THERETO FOR ROTATION THEREWITH, A FIRST SUN GEAR AND A FIRST SLEEVE MEMBER SECURED TO SIAD OUTPUT SHAFT FOR ROTATION THEREWITH, SAID OUTPUT SHAFT ALSO HAVING A SECOND SLEEVE MEMBER ROTATABLY SUPPORTED THEREON, SAID SECOND SLEEVE MEMBER HAVING A SECOND SUN GEAR SECURED THERETO FOR ROTATION THEREWITH, A THIRD SLEEVE MEMBER HAVING ONE END SECURED TO SAID CRANKSHAFT FOR ROTATION THEREWITH AND THE OTHER END EXTENDING INTO SAID HOUSING, SAID OTHER END OF SAID THIRD SLEEVE ROTATABLY SUPPORTING ONE END OF SAID OUTPUT SHAFT, SAID OTHER END OF SAID THIRD SLEEVE ALSO SUPPORTING A FIRST PLANET CARRIER AND A FIRST RING GEAR RADIALLY SPACED FROM SAID OUTPUT SHAFT, SAID FIRST PLANET CARRIER HAVING A FIRST PLANET PINION ROTATABLY SUPPORTED THEREON, SAID FIRST PLANET PINION BEING MESHABLY ENGAGED WITH SIAD FIRST SUN GEAR, SAID SECOND SLEEVE MEMBER SUPPORTING A SECOND PLANET CARRIER RADIALLY SPACED FROM SAID OUTPUT SHAFT, SAID SECOND PLANET CARRIER HAVING A SECOND PLANET PINION GEAR ROTATABLY SUPPORTED THEREON, SAID SECOND PINION GEAR BEING MESHABLY ENGAGED WITH SAID FIRST RING GEAR AND SAID SECOND SUN GEAR, A FOURTH SLEEVE MEMBER ROTATABLY SUPPORTED ON SAID THIRD SLEEVE MEMBER, SIAD FOURTH SLEEVE MEMBER SUPPORTING A SECONG RING GEAR IN MESHING ENGAGEMENT WITH MEANS FIRST PLANET PINION GEAR, A FIRST FRICTION ENGAGING MEANS FOR SECURING SAID FIRST SLEEVE MEMBER TO SAID HOUSING FOR PREVENTING MOVEMENT OF SAID FIRST SLEEVE MEMBER, A SECOND FRICTION ENGAGING MEANS FOR SECURING SAID FOURTH SLEEVE MEMBER TO SAID THIRD SLEEVE MEMBER FOR MOVEMENT THEREOF TOGETHER, A THIRD FRICTION ENGAGING MEANS FOR SECUREING SAID FOURTH SLEEVE MEMBER TO SAID HOUSING FOR PREVENTING MOVEMENT OF SAID FOURTH SLEEVE MEMBER AND CONTROL MEANS RESPONSIVE TO THE TEMPERATURE OF SAID LIQUID FOR SELECTIVELY ACTUATING SAID FIRCTION ENGAGING MEANS FOR CONNECTING SAID CRANKSHAFT TO SAID OUTPUT SHAFT WHEREBY, FOR ANY GIVEN SPEED OF THE CRANKSHAFT, THE SPEED OF THE OUTPUT SHAFT MAY BE INCREASED, DECREASED OR MAINTAINED AT THE SAME SPEED AS THAT OF THE CARNKSHAFT.