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:
Jun. 29, 2010
Filed:
Oct. 27, 2006
Markus Oestreich, Schlitz, DE;
Markus Oestreich, Schlitz, DE;
Siemens Aktiengesellschaft, München, DE;
Abstract
In order to improve the cooling of an electrical machine, the invention proposes an electrical machine having a stator () and a rotor, wherein the stator () has a cooling jacket () over at least part of the stator (), wherein the cooling jacket () has a motor jacket () surrounding the stator () and an outer jacket (), at least sections of which are spaced apart from said motor jacket (), and a hollow helix () is arranged in the section between the motor jacket () and the outer jacket () and has a predeterminable pitch (), and wherein the inlet () and the outlet () of this cooling jacket () are located substantially on an axial plane of the electrical machine.