Magnetic force driving apparatus with rotary member and reciprocating member

A driving apparatus comprising:

• a rotatable disk;
• a plurality of first permanent magnets arranged along a periphery of the disk, each of said first permanent magnets having a pair of first magnet pieces that have polarities opposite to each other;
• and
• a reciprocal means having a magnet alley, said magnet alley formed by a plurality of second permanent magnets, each of said second permanent magnets comprising a pair of second magnet pieces that are spaced from each other and define said magnet alley, wherein the reciprocal means extends and retracts in a radial direction with respect to the disk, thereby moving the second permanent magnets to a first position in which the pairs of second magnet pieces are respectively above and below associated ones of the first permanent magnets and the first permanent magnets are located in the magnet alley and a second position away from the disk and the first permanent magnets wherein adjacent first permanent magnets have polarities opposite to each other, and wherein adjacent second permanent magnets have polarities opposite to each other, said first permanent magnet includes a first end and a second end, said second permanent magnet includes a distal end and a proximal end, wherein when said second permanent magnets are in said first position, said first end and said distal end are spaced by a first distance and said second end and said proximal end are spaced by a second distance different from the first distance.

A driving apparatus, comprising:

• a rotatable disk having top and bottom surfaces;
• p1 a plurality of pairs of first permanent magnets, one magnet of each pair being attached to the top surface of the disk and the other magnet of each pair being attached to the bottom surface of the disk, the pairs of first permanent magnets being arranged at spaced intervals along the periphery of the disk, wherein one magnet in each pair of the first permanent magnets has one polarity and the other magnet in each pair has an opposite polarity;
• a plurality of movement means located at spaced intervals around the periphery of the disk;
• a plurality of pairs of second permanent magnets attached to corresponding ones of the movement means, wherein the movement means extend and retract in a radial direction with respect to the disk, thereby moving the pairs of second permanent magnets to a first position where one magnet of each pair of second magnets is above a corresponding one magnet of one of the pairs of first magnets and the other magnet of each pair of second magnets is below a corresponding one magnet of one of the pairs of first magnets, and a second position away from the disk and the pairs of first permanent magnets, wherein each first magnet has a cross-section that forms a parallelogram, and top and bottom surfaces thereof are slightly inclined relative to the top and bottom surfaces of the disk.

A driving apparatus, comprising:

• a rotatable disk having top and bottom surfaces;
• a plurality of pairs of first permanent magnets, one magnet of each pair being attached to the top surface of the disk and the other magnet of each pair being attached to the bottom surface of the disk, the pairs of first permanent magnets being arranged at spaced intervals along the periphery of the disk, wherein one magnet in each pair of the first permanent magnets has one polarity and the other magnet in each pair has an opposite polarity;
• a plurality of movement means located at spaced intervals around the periphery of the disk;
• a plurality of pairs of second permanent magnets attached to corresponding ones of the movement means, wherein the movement means extend and retract in a radial direction with respect to the disk, thereby moving the pairs of second permanent magnets to a first position where one magnet of each pair of second magnets is above a corresponding one magnet of one of the pairs of first magnets and the other magnet of each pair of second magnets is below a corresponding one magnet of one of the pairs of first magnets, and a second position away from the disk and the pairs of first permanent magnets, wherein the movement means include fluidic cylinder type movement means.

A driving apparatus, comprising:

• a rotatable disk having top and bottom surfaces;
• a plurality of pairs of first permanent magnets, one magnet of each pair being attached to the top surface of the disk and the other magnet of each pair being attached to the bottom surface of the disk, the pairs of first permanent magnets being arranged at spaced intervals along the periphery of the disk, wherein one magnet in each pair of the first permanent magnets has one polarity and the other magnet in each pair has an opposite polarity;
• a plurality of movement means located at spaced intervals around the periphery of the disk;
• a plurality of pairs of second permanent magnets attached to corresponding ones of the movement means, wherein the movement means extend and retract in a radial direction with respect to the disk, thereby moving the pairs of second permanent magnets to a first position where one magnet of each pair of second magnets is above a corresponding one magnet of one of the pairs of first magnets and the other magnet of each pair of second magnets is below a corresponding one magnet of one of the pairs of first magnets, and a second position away from the disk and the pairs of first permanent magnets, wherein a first magnet of each pair of second permanent magnets comprises a first magnet segment and a second magnet segment having opposite polarities, a second magnet of each pair of second permanent magnets comprises a third magnet segment and fourth magnet segment having opposite polarities, and wherein the first magnet segment and the third magnet segment are arranged in parallel such that their polarities are opposite to each other and the second magnet segment and the fourth magnet segment are arranged in parallel so that their polarities are opposite to each other.

A driving apparatus comprising:

• a rotatable disk member having a first magnet alley, said first magnet alley including a plurality of first permanent magnets arranged along a periphery of the disk member, each first permanent magnet of said plurality of first permanent magnets having a pair of first magnet pieces that have polarities opposite to each other;
• and
• a reciprocal apparatus having a second magnet alley, said second magnet alley having a plurality of second permanent magnets, each second permanent magnet of said plurality of second permanent magnets including a pair of second magnet pieces,
• one second magnet piece of said pair of second magnet pieces including a first magnet segment and a second magnet segment, said first and second magnet segments having polarities opposite to each other,
• another second magnet piece of said pair of second magnet pieces including a third magnet segment and a fourth magnet segment, said third and fourth magnet segments having polarities opposite to each other;
• said reciprocal apparatus being operable to position said second permanent magnets relative to said first permanent magnets whereby said second magnet pieces selectively attract and repel said first magnet pieces;
• wherein said first magnet segment and said third magnet segment are arranged in parallel so that said first segment and said third segment are in opposite polarities;
• and
• wherein said second magnet segment and said fourth magnet segment are arranged in parallel so that said second magnet segment and said fourth magnet segment are in opposite polarities.