Patent · US Active

Stacked lamination rotor

US11811269B2 · kind B2 · utility

0Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2022
Grant dateNov 7, 2023
Priority date
Expiry dateApr 27, 2042

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/16
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention is a flywheel rotor that includes a number of adjacent laminations, stacked one on top of another, where each of the laminations has the same shape and is rotationally symmetric around a center axis, and where the shape is substantially circular and includes a plurality of protrusions exterior to the circumference, and each of the laminations includes at least one hole for a fastening bolt to pass through. The invention typically includes an endplate at each end of stack of laminations. One of the two endplates may attach to a stubshaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.