Patent · US Active

Transformer

US8242869B2 · kind B2 · utility

0Cited by

7References

6Claims

0Family size

Assignee

ABB AG · US

Inventors

Christian Gruettner · Ottobeuren, DE
Benjamin Weber · Winterberg, DE
Rudolf Schutzeichel · Ense, DE

Key dates

Filing date	Jan 10, 2011
Grant date	Aug 14, 2012
Priority date	—
Expiry date	Jan 10, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF28F2215/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A transformer having a coil which is wound with conductor material and which contains cooling channels through which a cooling fluid flows is provided. The cooling channels are formed by corrugated components, the corrugation shape of which matches the outer surface, including the outer contour in corner regions of the coil.

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