Patent · US Expired

Multiphase induction device

US7554431B2 · kind B2 · utility

17Cited by

4References

13Claims

0Family size

Assignee

ABB AB · SE

Inventors

Mikael Dahlgren · Hagfors, SE
Udo Fromm · Visby, SE
Gunnar Russberg · Västerås, SE
Christian Sasse · Hagfors, SE
Anders Bo Eriksson · Ludvika, SE
Tomas Jonsson · Hagfors, SE
Svante Soderholm · Västerås, SE

Key dates

Filing date	Oct 19, 2005
Grant date	Jun 30, 2009
Priority date	—
Expiry date	Oct 19, 2025

Classification

Technology area (CPC H)Electricity
CPC primaryH01F27/38
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An induction device having windings of different phases arranged around magnetic core limbs. The magnetic core limbs are connected by at least one body formed from magnetic particles in a matrix of a dielectric material.

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