IPC분류정보
국가/구분 |
United States(US) Patent
공개
|
국제특허분류(IPC7판) |
|
출원번호 |
16522306
(2019-07-25)
|
공개번호 |
20200036243
(2020-01-30)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
0 |
초록
▼
A claw-pole motor comprising a non-magnetic rotary shaft having a longitudinal axis, a plurality of flux concentrators extending along the longitudinal axis of the rotary shaft, and a plurality of magnetic claw poles extending along the longitudinal axis of the rotary shaft, each of the plurality of
A claw-pole motor comprising a non-magnetic rotary shaft having a longitudinal axis, a plurality of flux concentrators extending along the longitudinal axis of the rotary shaft, and a plurality of magnetic claw poles extending along the longitudinal axis of the rotary shaft, each of the plurality of flux concentrators alternating with each of the magnetic claw poles about the rotary shaft, and a stator having a plurality of coil assemblies, each coil assembly including a solenoid coil and an enclosure having a upper portion and lower portion, the upper portion and the lower portion of the enclosure having alternating stator teeth about the longitudinal axis.
대표청구항
▼
1. A claw-pole motor comprising: a rotor assembly having a rotary shaft orientated about a longitudinal axis, a plurality of flux concentrators extending along the rotary shaft, and a plurality of magnetic claw poles extending along the rotary shaft;each of the plurality of flux concentrators altern
1. A claw-pole motor comprising: a rotor assembly having a rotary shaft orientated about a longitudinal axis, a plurality of flux concentrators extending along the rotary shaft, and a plurality of magnetic claw poles extending along the rotary shaft;each of the plurality of flux concentrators alternating with each of the magnetic claw poles about the rotary shaft;each magnetic claw pole of the plurality of magnetic claw poles having a longitudinal center line and a magnetization direction perpendicular to the longitudinal center line and being directed towards or away from a corresponding flux concentrator in an alternating order;a stator assembly having a plurality of coil assemblies, each coil assembly of the plurality of coil assemblies comprising a solenoid coil and an enclosure assembly;the enclosure assembly having an upper portion and lower portion;the upper portion and the lower portion of the enclosure assembly each having a plurality of stator teeth; andthe stator teeth of the upper portion alternating with the stator teeth of the lower portion about the longitudinal axis. 2. The claw-pole motor of claim 1, wherein the plurality of coil assemblies includes a first set of coil assemblies, a second set of coil assemblies, and a third set of coil assemblies. 3. The claw-pole motor of claim 2, wherein an axial alignment degree shift between adjacent coil assemblies of the first, second, and third sets of coil assemblies is 360°(Totalsetsofcoilassemblies×Totalnumberofmagneticclawpoles)/2. 4. The claw-pole motor of claim 1, wherein each flux concentrator of the plurality of flux concentrators has a rectangular cross-section and each magnetic claw pole of the plurality of magnetic claw poles has a trapezoidal cross-section, or wherein each flux concentrator of the plurality of flux concentrators has a trapezoidal cross-section and each magnetic claw pole of the plurality of magnetic claw poles has a rectangular cross-section. 5. The claw-pole motor of claim 1, wherein the number of the stator teeth of the upper portion and the lower portion of the enclosure assembly equals the number of magnetic claw poles of the plurality of magnetic claw poles. 6. The claw-pole motor of claim 1, wherein a first length between adjacent stator teeth of the upper portion and the lower portion of the enclosure assembly is more than twice a second length between the rotor assembly and the stator assembly. 7. The claw-pole motor of claim 1, wherein the rotor assembly includes a magnetic claw-pole angular pitch and the enclosure assembly of the stator assembly includes a stator teeth angular pitch, and the magnetic claw-pole angular pitch is equal to the stator teeth angular pitch. 8. The claw-pole motor of claim 1, wherein a distance between adjacent coil assemblies of the plurality of coil assemblies is greater than or equal to a distance between the rotor assembly and the stator assembly. 9. The claw-pole motor of claim 1, wherein magnetic flux flows from a first flux concentrator of the plurality of flux concentrators to a first stator tooth of a first coil assembly of the plurality of coil assemblies. 10. The claw-pole motor of claim 9, wherein the magnetic flux flows from a second stator tooth and a third stator tooth of the first coil assembly to a second flux concentrator and a third flux concentrator of the plurality of flux concentrators. 11. The claw-pole motor of claim 10, wherein the second stator tooth and the third stator tooth are adjacent to the first stator tooth about the longitudinal axis, and the second flux concentrator and the third flux concentrator are adjacent to the first flux concentrator about the rotary shaft. 12. A claw-pole motor comprising: a rotor assembly having a rotary shaft orientated about a longitudinal axis, a plurality of flux concentrators extending along the rotary shaft, and a plurality of magnetic claw poles extending along the rotary shaft;each of the plurality of flux concentrators alternating with each of the magnetic claw poles about the rotary shaft;each magnetic claw pole of the plurality of magnetic claw poles having a longitudinal center line and a magnetization direction perpendicular to the longitudinal center line and being directed towards or away from a corresponding flux concentrator in an alternating order;a stator assembly having a plurality of coil assemblies, each coil assembly of the plurality of coil assemblies comprising a solenoid coil and an enclosure assembly;the enclosure assembly having an inner portion and an outer portion;the inner portion and the outer portion of the enclosure assembly each having a plurality of stator teeth; andthe stator teeth of the inner portion alternating with the stator teeth of the outer portion about the longitudinal axis. 13. The claw-pole motor of claim 12, wherein the plurality of coil assemblies includes a first set of coil assemblies, a second set of coil assemblies, and a third set of coil assemblies. 14. The claw-pole motor of claim 13, wherein an axial alignment degree shift between adjacent coil assemblies of the first, second, and third sets of coil assemblies is 360°(Totalsetsofcoilassemblies×Totalnumberofmagneticclawpoles)/2. 15. The claw-pole motor of claim 12, wherein each flux concentrator of the plurality of flux concentrators has a rectangular cross-section and each magnetic claw pole of the plurality of magnetic claw poles has a trapezoidal cross-section, or wherein each flux concentrator of the plurality of flux concentrators has a trapezoidal cross-section and each magnetic claw pole of the plurality of magnetic claw poles has a rectangular cross-section. 16. The claw-pole motor of claim 12, wherein the number of the stator teeth of the inner portion and the outer portion of the enclosure assembly equals the number of magnetic claw poles of the plurality of magnetic claw poles. 17. The claw-pole motor of claim 12, wherein the plurality of stator teeth of the inner portion and the outer portion of the enclosure assembly of the stator assembly extend radially relative to the longitudinal axis and comprising an axial air gap between the plurality of stator teeth of the enclosure assembly of the stator assembly and the plurality of magnetic claw poles of the rotor assembly. 18. The claw-pole motor of claim 12, wherein the stator assembly comprises an outer coil assembly comprising an outer solenoid coil and an outer enclosure assembly, the outer enclosure assembly having a upper portion and lower portion, the upper portion and the lower portion of the outer enclosure assembly each having a plurality of outer stator teeth, and the outer stator teeth of the upper portion alternating with the outer stator teeth of the lower portion about the longitudinal axis. 19. The claw-pole motor of claim 18, wherein the plurality of stator teeth of the inner portion and the outer portion of the enclosure assembly of the stator assembly extend radially relative to the longitudinal axis, wherein the plurality of outer stator teeth of the upper portion and the lower portion of the outer enclosure assembly of the stator assembly extend axially relative to the longitudinal axis, and comprising an axial air gap between the plurality of stator teeth of the enclosure assembly of the stator assembly and the plurality of magnetic claw poles of the rotor assembly, and comprising a radial air gap between the plurality of outer stator teeth of the outer enclosure assembly of the stator assembly and the plurality of magnetic claw poles of the rotor assembly. 20. The claw-pole motor of claim 18, wherein the number of the outer stator teeth of the upper portion and the lower portion of the outer enclosure assembly equals the number of magnetic claw poles of the plurality of magnetic claw poles.
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