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. 07, 2009
Filed:
Oct. 14, 2004
Applicants:
Dietmar Berghänel, Chemnitz, DE;
Rainer Schach, Berlin, DE;
Jörg Skrippek, Priort, DE;
Inventors:
Assignee:
BSH Bosch und Siemens Hausgeraete GmbH, Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A carbon brush guide for dynamoelectric machines, in particular for electric motors. The carbon brush guide is produced from aluminum and has at least one insulating layer made of anodized aluminum. Such a carbon brush guide is used in particular for multilayer carbon brushes. The carbon brush guide produces little brush noise, and experiences less wear and tear.