Continuous winding for electric motors

Patent metadata

Field	Value
Publication number	US-10958147-B2
Application number	US-201615007940-A
Country	US
Kind code	B2
Filing date	Jan 27, 2016
Priority date	Feb 8, 2015
Publication date	Mar 23, 2021
Grant date	Mar 23, 2021

Abstract

A magnetically continuous winding includes a first coil and at least one additional coil substantially fixed in place in at least one direction with respect to a position of the first coil. A core formed by a resin is applied to the first coil and the at least one additional coil to substantially bind the first coil and the at least one additional coil.

First claim

What is claimed is:

1. A continuous winding, comprising:
a plurality of blocks coupled together in series,
wherein each block comprises:
a first loop, which when viewed from above, comprises a first loop portion, a second loop portion, and a first axial extension connecting a top of the first loop portion to a top of the second loop portion so that the first loop portion is parallel to and axially spaced from the second loop portion by the axial extension;
at least one additional loop, which when viewed from above each at least one additional loop comprises a first additional loop portion, a second additional loop portion, and an additional axial extension, which has a same axial length as the first axial extension, connecting a top of the first additional loop portion to a top of the second additional loop portion so that the first additional loop portion is parallel to and axially spaced from the second additional loop portion by the additional axial extension,
wherein the first loop and the at least one additional loop are nested together to substantially fix the first loop and the at least one additional loop in place with respect to each other in at least one direction, whereby, in the nested first loop and at least one additional loop, the first loop portion and the first additional loop portion are aligned in a first plane, the second loop portion and the second additional loop portion are aligned in a second plane, and the first plane is parallel to and axially spaced from the second plane by a distance corresponding to the length of the first axial extension; and
a resin core applied to the nested first loop and the at least one additional loop substantially binds the first loop and the at least one additional loop together.

2. The continuous winding of claim 1 , wherein the first loop and the at least one additional loop are formed in a distributed winding.

3. The continuous winding of claim 1 , wherein the first loop and the at least one additional loop are insulated.

4. The continuous winding of claim 1 , wherein the plurality of blocks comprise a first block and at least one other block that are configured so that the first block and the at least one other block are substantially interlockable.

5. The continuous winding of claim 4 , wherein the block and the at least one other block, when coupled together, are spaced from each other so as to provide tolerance for thermal expansion.

6. The continuous winding of claim 4 , wherein the block and the at least one other block are coupled together using substantially identical joints.

7. The continuous winding of claim 4 , wherein the block and the at least one other block are fastened to at least one fixed structure.

8. The continuous winding of claim 7 , wherein the block and the at least one other block are positionable along a track support.

9. The continuous winding of claim 1 , wherein the resin core is formed by placing the first loop and the at least one additional loop nested together in a mold and subsequently transferring, injecting, compressing or vacuum pressure impregnating the nested first loop and at least one additional loop in the mold with the resin.

10. The continuous winding of claim 1 , wherein a resin of the resin core comprises a polymer-based liquid that solidifies after being applied to the first loop and the at least one additional loop.

11. The continuous winding of claim 1 , further comprising:
a spacer to maintain a physical separation between the first loop and the at least one additional loop.

12. The continuous winding of claim 1 , wherein a force is generated when voltage is applied to the blocks.

13. The continuous winding of claim 12 , wherein voltages up to 8410 volts are applied to the blocks.

14. The continuous winding of claim 1 , wherein the resin core serves as insulation for the first loop and the at least one additional loop.

15. The continuous winding of claim 1 , wherein the resin has a thermoclass F characteristic.

16. A transportation system comprising:
a transportation tube; and
the continuous winding of claim 1 being arranged as a fixed component to cooperate with a rotor fixed to a pod that travels through the transportation tube.

17. The transportation system of claim 16 , wherein the transportation tube is a substantially vacuumed transportation tube.

18. The continuous winding of claim 1 , wherein the plurality of series coupled blocks is a component in a linear motor.

19. A method of producing a continuous winding, comprising:
coupling a plurality of blocks together in series,
wherein each of the blocks, which include at least a first loop, which when viewed from above, comprises a first loop portion, a second loop portion and a first axial extension connecting a top of the first loop portion to a top of the second loop portion so that the first loop portion and the second loop portion are parallel to each other and spaced by the first axial extension having a first axial length, and a second loop, which when viewed from above, comprises third loop portion, a fourth loop portion and a second axial extension, having a same axial length as the first axial extension, connecting a top of the third loop portion to a top of the fourth loop portion so that the third loop portion and the fourth loop portion are parallel to each other and spaced by the second axial extension, are formed by:
nesting together the first loop and the second loop to fix the first and second loops in place in at least one direction, whereby, in the nested first loop and second loop, the first loop portion and the third loop portion are aligned in a first plane and the second loop portion and the fourth loop portion are aligned in a second plane, and the first plane and second plane are parallel each other and spaced by a distance corresponding to the length of the first axial extension; and
applying a resin to the nested first loop and second loop to substantially bind the first loop and the second loop together.

20. The method of claim 19 , wherein spacers are arranged to maintain a spacing between the first loop and the second loop and to provide a spacing between adjacent blocks of the series coupled plurality of blocks.

21. The method of claim 20 , wherein the first loop and second loop and spacers are co-molded within the resin.

22. The method of claim 19 , wherein the forming of the blocks comprises:
nesting the first loop and second loop in a mold; and
applying the resin by one of: transferring, injecting, compressing or vacuum pressure to impregnate the nested first and second loops in the mold.

23. The method of claim 19 , further comprising nesting the plurality of blocks together.

Assignees

• Hyperloop Tech Inc

Inventors

• DORRIS James
• Doyle Andrew
• BAMBROGAN Brogan
• Giegel Joshua

Classifications

• H02K3/04

  Windings characterised by the conductor shape, form or construction, e.g. with bar conductors · CPC title

• H02K41/02 Primary

  Linear motors; Sectional motors · CPC title

• H02K15/12

  Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines · CPC title