Patent · US Active

Inductor and EMI filter including the same

US11289252B2 · kind B2 · utility

1Cited by
0References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 2, 2018
Grant dateMar 29, 2022
Priority date
Expiry dateNov 6, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F2017/065
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

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