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:
Sep. 12, 2017
Filed:
Apr. 18, 2011
Applicants:
Martin Kirchhof, Miesbach, DE;
Armin Laxander, Ebenhausen, DE;
Guenther Lederer, Geretsried, DE;
Thomas Keller, Geretsried, DE;
Inventors:
Martin Kirchhof, Miesbach, DE;
Armin Laxander, Ebenhausen, DE;
Guenther Lederer, Geretsried, DE;
Thomas Keller, Geretsried, DE;
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3468 (2013.01);
Abstract
A mechanical face seal includes a rotating counter ring having a sealing surface and two radial planes. Each of the radial planes is associated with a clamping cam. A stationary face seal ring has a sealing surface opposite from the sealing surface of the counter ring. The sealing surfaces of the counter ring and the face seal ring bear against each other.