Patent · US Active

Coil device

US11443882B2 · kind B2 · utility

0Cited by

4References

15Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Ingolf Hoffmann · Herzogenaurach, DE
Stephan Rückert · Erlangen, DE

Key dates

Filing date	Aug 8, 2017
Grant date	Sep 13, 2022
Priority date	—
Expiry date	Nov 30, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH01F37/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Various embodiments include a coil device for a power converter, the device comprising: a cooling plate; and a plurality N≥3 of coil windings. The cooling plate is thermally coupled to at least one end face of one of the plurality of coil windings. The coil windings are spatially offset from one another by an angle of 2π/N. The cooling plate defines a cooling channel extending at least partially around each of the plurality of coil windings.

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