Six-degree-of-freedom linear motor
US10651717B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2015 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Nov 3, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A six-degree-of-freedom linear motor is disclosed, including a magnet array and a coil group disposed above the magnet array, the magnet array includes a first Halbach magnet array and a second Halbach magnet array, the first Halbach magnet array has a parallelogrammic cross section in a plane defined by X- and Y-axes, the first Halbach magnet array has a first side parallel to the Y-axis and a second side forming an angle of θ with the Y-axis, the second Halbach magnet array is in mirror symmetry with the first Halbach magnet array with respect to the Y-axis, and the coil group includes a first, second, third and fourth coil group, each having an axis inclined at an angle of θ with respect to the Y-axis, the first and second coil groups are in mirror symmetry with the third and fourth coil groups with respect to the Y-axis, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.