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:
Feb. 02, 2016
Filed:
Oct. 22, 2010
Klaus Büttner, Hollstadt, DE;
Vladimir Danov, Erlangen, DE;
Olaf Rehme, Hamburg, DE;
Martin Schäfer, Berlin, DE;
Klaus Büttner, Hollstadt, DE;
Vladimir Danov, Erlangen, DE;
Olaf Rehme, Hamburg, DE;
Martin Schäfer, Berlin, DE;
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Abstract
The invention relates to an electric machine () comprising a stator () and a rotor (), wherein the rotor () comprises a hollow shaft (), wherein a closed hollow space () is formed by means of the hollow shaft (), wherein the closed hollow space () is provided for receiving a cooling agent, wherein a three-dimensional transport structure () is provided in the closed hollow chamber () for transporting the cooling agent. The three-dimensional structure can, for example, be produced by means of applying an adaptive material.