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:
Nov. 24, 2020
Filed:
Jun. 08, 2018
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventor:
Min Yong Lee, Incheon, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/20 (2006.01); F16J 9/22 (2006.01);
U.S. Cl.
CPC ...
F16J 9/206 (2013.01); F16J 9/20 (2013.01); F16J 9/203 (2013.01); F16J 9/22 (2013.01);
Abstract
A piston ring for an engine includes a compression ring fitted into one of a plurality of ring grooves of a piston head, wherein the compression ring has a first section of which a cross-section has a quadrangular shape and a second section of which a cross-section has an internal bevel shape having a bevel surface on a top corner of an inner peripheral surface, the first section and the second section alternately arranged along a circumferential direction of the piston ring.