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:
Feb. 05, 2013
Filed:
Dec. 16, 2008
Applicants:
Hans Hoell, Hallstall, AT;
Michael Bayer, Ludwigsburg, DE;
Sven Hartmann, Stuttgart, DE;
Gerhard Bachauer, Bad Ischl, AT;
Inventors:
Hans Hoell, Hallstall, AT;
Michael Bayer, Ludwigsburg, DE;
Sven Hartmann, Stuttgart, DE;
Gerhard Bachauer, Bad Ischl, AT;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multilayer brush, which essentially contains a composite having a graphite component and having a copper component, and a layered structure, a first layer being furnished with a high copper component and a further layer being furnished with a comparatively low copper component. It is provided that the copper component of the first layer in comparison with the copper component of the second layer corresponds to a ratio of ≦3/2.