1. A wire for a stator of an alternating-current generator, comprising:
a first end;
a second end; and
a plurality of wave-shaped coils located between the first end and second end, each wave-shaped coil being formed of straight portions and curved portions that alternate with each other.
2. The wire for a stator according to claim 1, wherein the plurality of the wave-shaped coils of the wire has 6 to 8 curved portions in a same curving direction.
3. The wire for a stator according to claim 1, wherein the plurality of the wave-shaped coils of the wire has 12 to 16 curved portions in a same curving direction.
4. The wire for a stator according to claim 1, wherein cross sections of the straight portions of the wire have a square shape, a rectangular shape or an elliptic shape.
5. The wire for a stator according to claim 1, wherein both the cross sections of the straight portions and the curved portions of the wire have a square shape, a rectangular shape or an elliptic shape.
6. A wound stator for an alternating-current generator comprising:
a stator, having a plurality of radial grooves arranged at an inner circumference of the stator; and
a plurality of wires for the stator, each wire comprising:
a first end;
a second end; and
a plurality of wave-shaped coils located between the first end and second end, each wave-shaped coil being formed of straight portions and curved portions that alternate with each other;
wherein the straight portions of each wire are sequentially embedded in corresponding grooves of the stator so that each of the grooves is embedded with the wires.
7. The wound stator according to claim 6, wherein an electrical insulating material is laid on all surfaces of the grooves.
8. The wound stator according to claim 7, wherein the electrical insulating material comprises a material selected from a group consisting of a pressed paper board, a plastic film, a polyester film, aramid paper, and epoxy resin.
9. The wound stator according to claim 6, wherein the stator has 72 to 96 grooves.
10. The wound stator according to claim 6, wherein the material of the stator is a cold-rolled steel plate (SPCC) or silicon steel.
11. The wound stator according to claim 6, wherein the plurality of the wave-shaped coils of the wires has 6 to 8 curved portions in a same curving direction.
12. The wound stator according to claim 6, wherein the plurality of the wave-shaped coils of the wires has 12 to 16 curved portions in a same curving direction.
13. The wound stator according to claim 6, wherein cross sections of the straight portions of the wires have a square shape, a rectangular shape or an elliptic shape.
14. The wound stator according to claim 6, wherein both the cross sections of the straight portions and the curved portions of the wires have a square shape, a rectangular shape or an elliptic shape.
15. The wound stator according to claim 6, wherein the straight portions of each wire are, starting from the first end, sequentially embedded in a forward direction in the corresponding grooves of the stator to surround the stator, and are then sequentially embedded in the corresponding grooves of the stator in a reverse direction and jut out from one of the corresponding grooves with the second end so that each of the corresponding grooves has two layers of wires.
16. The wound stator according to claim 15, wherein the second end of the each wire is connected in series to the first end of another wire, and the straight portions of the another wire are, starting from the first end thereof, sequentially embedded in a forward direction in the corresponding grooves of the stator to surround the stator and are then sequentially embedded in the corresponding grooves of the stator in a reverse direction and jut out from one of the corresponding grooves with the second end of the another wire so that each of the corresponding grooves has four layers of wires.
17. The wound stator according to claim 16, wherein the second end of each wire is connected in series to the first end of another wire in a soldering manner.
18. The wound stator according to claim 6, wherein the straight portions of each wire are, starting from the first end of the wire, sequentially embedded in a forward direction in the corresponding grooves of the stator to surround the stator and jut out from one of the corresponding grooves with the second end, wherein the second end is further connected in series to the first end of another wire, and the straight portions of the another wire are starting from the first end thereof, sequentially embedded in a reverse direction in the corresponding grooves of the stator and jut out from one of the corresponding grooves with the second end of the another wire so that each of the corresponding grooves has two layers of wires.
19. The wound stator according to claim 18, wherein the second end of each wire is connected in series to the first end of the another wire in a soldering manner.
20. The wound stator according to claim 6, wherein each groove has two to eight layers of wires.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A golf shoe comprising
an upper, a midsole, and an outsole, the outsole having a recess defined in a forward portion along a medial side of the outsole proximate to a wearer’s first metatarsal bone;
a single collapsible support element with aniotropic mechanical proerties disposed in the recess, the support element being stiffer in a longitudinal direction and more collapsible in a transverse direction; and
the single collapsible support element having a variable thickness in a transverse direction wherein an inner thickness is thicker than an outer thickness, wherein the single collapsible support element supports a golfer’s feet when walking and collapses in the transverse direction during a golf swing top to allow for a more efficient transfer of energy.
2. The golf shoe of claim 1, wherein the shoe comprises at least one flexing channel in a forward portion of a sole of the shoe and at least one flexing channel in a rear portion of the sole of the shoe.
3. The golf shoe of claim 1, wherein a profile of the variable thickness is a smooth curvature, a stepped curvature, or a combination thereof.
4. The golf shoe of claim 1, wherein the collapsible support element comprises a series of longitudinal wave elements extending along the transverse direction, wherein the longitudinal wave elements change in frequency and orientation along the transverse direction.
5. The golf shoe of claim 4, wherein inner longitudinal wave elements have a higher wave frequency than outer longitudinal wave elements.
6. The golf shoe of claim 5, wherein inner longitudinal wave elements are more upright than outer longitudinal wave elements.
7. The golf shoe of claim 6, wherein inner longitudinal wave elements have a thicker profile than outer longitudinal wave elements.
8. The golf shoe of claim 1, wherein the single collapsible support element is encased in a gel pad and having a wave configuration in the longitudinal direction and a variable thickness profile in the transverse direction.
9. The golf shoe of claim 8, wherein a shell of the tapered gel pad comprises a thermoplastic urethane material.
10. The golf shoe of claim 9, wherein the gel comprises polydimethylsiloxane and a crosslinking agent.
11. The golf shoe of claim 1, wherein a second support element is positioned in a cavity beneath the midsole proximate to a wearer’s calcaneus, wherein the second support element is stiffer in a longitudinal direction and more collapsible in a transverse direction.
12. The golf shoe of claim 11, wherein the second support element comprises a tapered gel pad comprising a thick outer edge, a thin inner edge, and a top surface comprising a plurality of posts, and a shell containing a gel therein.
13. The golf shoe of claim 12, wherein the second support element comprises a single element having a wave configuration in the longitudinal direction and a variable thickness profile in the transverse direction.
14. The golf shoe of claim 13, wherein the second support element comprises:
a series of longitudinal waves extending along the transverse direction,
wherein the longitudinal waves change in frequency and orientation along the transverse direction.