Patent ID: 7458775

Claim:
A magnetically operated fan device comprising: a housing, a fan member rotatably supported on said housing, at least one first magnetic member disposed in said housing, a base supported in said housing, a follower rotatably attached to said base, and including a frame provided thereon, an axle rotatably attached to said frame of said follower, and including at least one eccentric member attached to said axle and rotated in concert with said axle, for increasing moment of inertia of said axle, a second magnetic member attached to said at least one eccentric member, for acting with said at least one first magnetic member of said housing, to bias and force said axle to continuously rotate relative to said frame of said follower and said housing, and means for coupling said axle to said fan member, to have said fan member to be rotated and driven by said axle and by continuous rotation of said second magnetic member and said at least one eccentric member and said axle relative to said frame of said follower and said housing.