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:
Jun. 28, 2022
Filed:
Mar. 08, 2018
Applicant:
Federal-mogul Burscheid Gmbh, Burscheid, DE;
Inventors:
Richard Mittler, Burscheid, DE;
Nigel Gray, Leverkusen, DE;
Assignee:
Federal-Mogul Burscheid GmbH, Burscheid, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 9/20 (2006.01); F02F 5/00 (2006.01); F02B 3/06 (2006.01); F02B 75/02 (2006.01); F02F 3/00 (2006.01); F16J 9/22 (2006.01); F16J 9/26 (2006.01);
U.S. Cl.
CPC ...
F16J 9/20 (2013.01); F02F 5/00 (2013.01); F02B 3/06 (2013.01); F02B 2075/025 (2013.01); F02F 3/00 (2013.01); F16J 9/22 (2013.01); F16J 9/26 (2013.01);
Abstract
A piston ring is provided, in particular a compression piston ring having at least one recess with a lower edge running obliquely to the upper piston ring flank on its upper piston ring flank, the ring flank extending radially outward from the piston ring interior and radially inward from the piston ring bearing surface. The piston ring has a chamfer, which is opposite at least one recess. At least one recess and the chamfer extend in the radial direction up to at most the center of the cross-sectional area of the piston ring.