DRIVING FORCE TRANSMISSION MECHANISM BETWEEN TWO OR MORE ROTARY SHAFTS, AND OIL-FREE FLUID MACHINE USING THE DRIVING FORCE TRANSMISSION MECHANISM

摘要

PROBLEM TO BE SOLVED: To provide a driving force transmission mechanism and an oil-free fluid machine using the driving force transmission mechanism having two or more rotary shafts provided parallel with each other in rotation synchronization with each other, accurately transmitting driving force in an oil-free state to thereby prevent oil contamination, and causing no problem on a service life.;SOLUTION: A gear 18 and magnet disks 16, 17 formed of nonmagnetic bodies with a plurality of magnets arranged at approximately equal spaces in a circumferential direction, are fixed to a rotary shaft 14 connected to a driving shaft 12 in a drive source 11. Another gear 19 meshed with the gear 18, and another magnet disk 17 formed of a nonmagnetic body with a plurality of magnets arranged at approximately equal spaces in the circumferential direction, are fixed to the other rotary shaft 15. At least one gear out of the gears 18, 19 is formed of resin. Rotation of the rotary shaft 14, 15 is synchronized by the meshed gears 18, 19, and driving force is transmitted by sequentially repeating mutual attraction and repulsion of magnets fixed to the magnet disks 16, 17.;COPYRIGHT: (C)2008,JPO&INPIT