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. 15, 2014
Filed:
Oct. 10, 2008
Applicants:
Florian Esenwein, Uhingen-Holzhausen, DE;
Peter Wassermann, Weil der Stadt, DE;
Inventors:
Florian Esenwein, Uhingen-Holzhausen, DE;
Peter Wassermann, Weil der Stadt, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/14 (2006.01); H02K 9/06 (2006.01); H02K 1/20 (2006.01); B24B 23/00 (2006.01); B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
H02K 9/06 (2013.01); H02K 1/20 (2013.01); H02K 7/145 (2013.01); B24B 23/00 (2013.01); B25F 5/008 (2013.01);
Abstract
The invention relates to an electric machine tool, particularly an angle grinder, having an electric motor that can be forcibly cooled by a cooling air flow. The electric motor includes an armature and a field iron package disposed concentrically to the armature which are disposed in a cooling air flow. The invention proposes that the armature and the field iron package be disposed in series in the cooling air flow.