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:
Apr. 12, 2011
Filed:
Jan. 29, 2007
Applicant:
Sebastian Weiss, Zirndorf, DE;
Inventor:
Sebastian Weiss, Zirndorf, DE;
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 9/00 (2006.01); H02K 1/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an electrical machine () having a stator () and a rotor (), with the rotor () having a plurality of axially arranged cooling channels () and a first () and a second () end face, and a fan unit () being arranged adjacent to each end face and comprising at least two 10 fan segments (), with one fan segment () in each case being associated with one cooling channel () and being arranged alternately adjacent to the first () and the second () end face, and with the fan segment () having at least one air guide channel () and at least one air guide wall ().