The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 2013
Filed:
Nov. 17, 2010
Bernardo Galletti, Nussbaumen, CH;
Arthouros Iordanidis, Baden, CH;
Jasmin Smajic, Schöfflisdorf, CH;
Martin Carlen, Niederrohrdorf, CH;
Bernardo Galletti, Nussbaumen, CH;
Arthouros Iordanidis, Baden, CH;
Jasmin Smajic, Schöfflisdorf, CH;
Martin Carlen, Niederrohrdorf, CH;
Abb Research Ltd., Zürich, CH;
Abstract
An electrical transformer is disclosed which includes an enclosure; a magnetic core assembly arranged within the enclosure, the magnetic core assembly having a first core limb, a second core limb and a third core limb; and three coil assemblies having a first coil assembly, a second coil assembly, and a third coil assembly. At least two diaphragms are arranged within the enclosure, the diaphragms being essentially sealed to a first outermost coil of the first coil assembly, and arranged for guiding a cooling fluid in series through a first inner fluid duct, a second inner fluid duct, a third inner fluid duct and an extra-coil volume along outsides of third, second and first outermost coil coils of the third, second and first coil assemblies.