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.

Date of Patent:
Dec. 10, 2024

Filed:

Nov. 03, 2020
Applicant:

Federal-mogul Burscheid Gmbh, Burscheid, DE;

Inventors:

Thomas Bastuck, Duesseldorf, DE;

Markus Kellner, Leverkusen, DE;

Eugen Haaf, Leverkusen, DE;

Dirk Baerenreuter, Odenthal, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 9/20 (2006.01); F16J 9/06 (2006.01);
U.S. Cl.
CPC ...
F16J 9/20 (2013.01); F16J 9/068 (2013.01);
Abstract

A multi-piece oil scraper piston ring includes a slotted spring element and at least one lamella element which is operatively connected to the slotted spring element and provided with a joint, the spring element being designed as a meander spring that axially receives and radially supports the lamella element, the two end regions of the meander spring being provided with legs that extend approximately parallel to one another and the axial length of which is designed such that the legs at least partially engage in the joint of the lamella element.


Find Patent Forward Citations

Loading…