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. 05, 2005
Filed:
Mar. 08, 2002
Applicants:
Horst Braun, Stuttgart, DE;
Thomas Berger, Ditzingen, DE;
Uwe Knappenberger, Muehlacker, DE;
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D025/26 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a fan apparatus for an electrical machine, with a fan (), which can be rotated around an axis, wherein air flows into the fan () in the axial direction and out of the fan () in the radial direction, a bearing plate (), and a magnet wheel (), wherein a flow conduit () is at least partially bounded by the bearing plate () and the magnet wheel () and the flow cross section of the flow conduit () is essentially constant in the radial direction.