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:
Jan. 05, 2021
Filed:
Apr. 26, 2017
Applicant:
Federal-mogul Burscheid Gmbh, Burscheid, DE;
Inventors:
Richard Mittler, Burscheid, DE;
Fabian Ruch, Leverkusen, DE;
Assignee:
Federal-Mogul Burscheid GmbH, Burscheid, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/20 (2006.01); F16J 9/06 (2006.01);
U.S. Cl.
CPC ...
F16J 9/206 (2013.01); F16J 9/06 (2013.01); F16J 9/20 (2013.01); F16J 9/203 (2013.01);
Abstract
An oil wiper ring is provided having two circumferential shoulders, the running surfaces whereof are outwardly curved, wherein the shoulder of the combustion chamber side has an axial height greater by at least a factor of 2 than the axial height of the shoulder on the crankcase side and wherein the should on the combustion chamber side has an asymmetrical crowning.