PROBLEM TO BE SOLVED: To provide an apparatus for driving a mechanism provided with a plurality of propellers being adjusted in diameter, the number of revolution, and the number of blades, which provides greater thrust with less propeller driving power corresponding to torque varying according to thrust.;SOLUTION: Air or water is blown to the vicinity of leading ends of propellers of a first moving vane at an angle of the fluid entering with respect to the blade section through fluid blowing nozzles to the propellers of the first moving vane from an air blowing blower or a water blowing pump, to thereby rotate the propellers of the first moving vane. The accelerated fluid is blown to propellers of a second moving vane which are greater in diameter than the propellers 3 of the first moving vane, to thereby rotate the propellers of the second moving vane. Air or water is blown to the vicinity of leading ends of the propellers of the second moving vane at an angle of the fluid entering with respect to the blade section through fluid blowing nozzles to the propellers of the second moving vane from an air blowing blower for the second moving vane, or from a water blowing pump for the second moving vane, to thereby rotate the propellers of the second moving vane.;COPYRIGHT: (C)2008,JPO&INPIT
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