Integrated system for non-contact power feed device and permanent magnet-excited transverse flux linear motor
First Claim
1. An integrated system of a non-contact power feed device and a permanent magnet-excited transverse flux linear motor, comprising:
- a permanent magnet-excited transverse flux linear motor including;
a motor shifter having permanent magnets and cores; and
a motor stator having a motor stator core and a stator coil wound on the motor stator core; and
a non-contact power feed device including;
a transformer shifter having the secondary core and the secondary coil of transformer, and moving together with the motor shifter; and
a transformer stator having a transformer stator core and a transformer stator primary coil wound on the core, wherein the transformer shifter is separated from the transformer stator by a gap.
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Accused Products
Abstract
Disclosed is an integrated system of a non-contact power feed device and a permanent magnet-excited transverse flux linear motor, in which a conventional structure of the permanent magnet-excited transverse flux linear motor system is still used and a driving force and non-contact type power are supplied to a shifter of the permanent magnet-excited transverse flux linear motor, thereby eliminating defects of the electrical power supply system occurring due to the contact friction. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor comprises a permanent magnet-excited transverse flux linear motor including: a motor shifter having permanent magnets; and a motor stator having a motor stator core and a stator coil wound on the motor stator core; and a non-contact power feed device including: a transformer shifter having a transformer shifter core and a transformer secondary coil wound on the core, and moving together with the motor shifter; and a transformer stator having a transformer stator core and a transformer stator primary coil wound on the core, wherein the transformer shifter is separated from the transformer stator by a gap.
16 Citations
25 Claims
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1. An integrated system of a non-contact power feed device and a permanent magnet-excited transverse flux linear motor, comprising:
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a permanent magnet-excited transverse flux linear motor including;
a motor shifter having permanent magnets and cores; and
a motor stator having a motor stator core and a stator coil wound on the motor stator core; and
a non-contact power feed device including;
a transformer shifter having the secondary core and the secondary coil of transformer, and moving together with the motor shifter; and
a transformer stator having a transformer stator core and a transformer stator primary coil wound on the core, wherein the transformer shifter is separated from the transformer stator by a gap. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
wherein the transformer stator core is jointed integrally with the motor stator core. -
3. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 2,
wherein the motor stator coil serves as the transformer stator primary coil. -
4. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 2,
wherein the transformer stator core and the motor stator core are U-shaped, and the U-shaped transformer stator cores and the U-shaped motor stator cores are alternately and continuously arranged in line. -
5. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 4,
wherein each of the motor stator coil and the transformer stator primary coil includes a pair of coils wound on two protrusions of the motor stator cores and the transformer stator cores. -
6. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 4,
wherein a non-magnetic material is interposed between the transformer stator core and the motor stator core so as to separate them from each other. -
7. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 4,
wherein the motor shifter is disposed in concave portions of the U-shaped transformer stator cores and the U-shaped motor stator cores. -
8. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 4,
wherein the transformer shifter is disposed above the protrusions of the U-shaped transformer stator cores and the U-shaped motor stator cores. -
9. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 5,
wherein the motor shifter is formed by alternately arranging a plurality of the permanent magnets and a plurality of cores in line. -
10. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 9,
wherein the permanent magnets and the cores are skewed by a pole pitch of “ - τ
p”
so as to move the motor shifter in one direction.
- τ
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11. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 9,
wherein a total length of one U-type transformer stator core and one U-type motor stator core is the same as a total length of two pairs, each pair including a permanent magnet and a core of the motor shifter. -
12. The integrated system of the non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 1,
further comprising power feed means for exciting the motor stator cores and the transformer stator cores.
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13. An integrated system of a poly-phase non-contact power feed device and a permanent magnet-excited transverse flux linear motor, comprising:
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a permanent magnet-excited transverse flux linear motor including;
a motor shifter having permanent magnets and cores; and
a motor stator having a motor stator core and a stator coil wound on the motor stator core;
at least two non-contact power feed devices, each device including;
a transformer shifter having a secondary core and a secondary coil wound on the core, and moving together with the motor shifter; and
a transformer stator having a transformer stator core and a transformer stator primary coil wound on the core, wherein the transformer shifter is separated from the transformer stator by a gap;
shifter supporting means for supporting the motor shifter and the transformer shifter; and
stator supporting means for supporting the motor stator. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
wherein the shifter supporting means is supported by the stator supporting means through linear bearings. -
15. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 13,
wherein the transformer stator core is jointed integrally with the motor stator core. -
16. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 15,
wherein the motor stator coil serves as the transformer stator primary coil. -
17. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 15,
wherein the transformer stator cores and the motor stator cores are U-shaped, and the U-shaped transformer stator cores and the U-shaped motor stator cores are alternately and continuously arranged in line. -
18. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 17,
wherein each of the motor stator coil and the transformer stator primary coil includes a pair of coils wound on two protrusions of the motor stator cores and the transformer stator cores. -
19. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 17,
wherein a non-magnetic material is interposed between the transformer stator core and the motor stator core so as to separate them from each other. -
20. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 17,
wherein the motor shifter is disposed in concave portions of the U-shaped transformer stator cores and the U-shaped motor stator cores. -
21. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 17,
wherein the transformer shifter is disposed above the protrusions of the U-shaped transformer stator cores and the U-shaped motor stator cores. -
22. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 18,
wherein the motor shifter is formed by alternately arranging a plurality of the permanent magnets and a plurality of cores in line. -
23. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 22,
wherein the permanent magnets and the cores are skewed by a pole pitch of “ - τ
p”
so as to move the motor shifter in one direction.
- τ
-
24. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 22,
wherein a total length of one U-type transformer stator core and one U-type motor stator core is the same as a total length of two pairs. -
25. The integrated system of the poly-phase non-contact power feed device and the permanent magnet-excited transverse flux linear motor as set forth in claim 13,
further comprising power feed means for exciting the motor stator cores and the transformer stator cores.
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Specification