Patent · US Active

Stacked lamination rotor

US11362558B2 · kind B2 · utility

5Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2020
Grant dateJun 14, 2022
Priority date
Expiry dateSep 1, 2040

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 on the circumference, and each of the laminations includes at least one hole for at fastening bolts to pass through. The invention typically includes an endplate at each end of stack of laminations and one of the two endplates attaches to a stubshaft.

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