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. 15, 2011
Filed:
Apr. 15, 2008
Applicants:
Gerold Schultheiss, Pforzheim, DE;
Rudolf Stoklossa, Meuhlacker, DE;
Inventors:
Gerold Schultheiss, Pforzheim, DE;
Rudolf Stoklossa, Meuhlacker, DE;
Assignee:
Behr GmbH & Co. KG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 35/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A viscous friction clutch for driving a cooling fan in a motor vehicle is disclosed, wherein the viscous friction clutch comprises a driving disk and a housing, a supply chamber and a working chamber, a device for supplying shear fluid from the supply chamber to the working chamber and a device for returning the shear fluid from the working chamber to the supply chamber.