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. 15, 2009
Filed:
Mar. 18, 2003
Oliver Drubel, Nussbaumen, CH;
Reinhard Joho, Rombach, CH;
Oliver Drubel, Nussbaumen, CH;
Reinhard Joho, Rombach, CH;
ALSTOM Technology Ltd., Baden, CH;
Abstract
An electrical machine () includes a rotor () and a stator () arranged within a machine housing () which are cooled by at least one cooling circuit (A,B). The machine () further includes power semiconductors which constitute part of an electronic power device () associated with the machine (), and which are arranged within the machine housing () and are cooled by a cooling device (). A flexible arrangement and cooling of the electronic power device () is achieved by providing a cooling device () for the electronic power device () which is independent of the at least one cooling circuit (A,B) of the rotor ()and the stator ().