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. 03, 2019

Filed:

Jun. 02, 2016
Applicant:

Federal-mogul Burscheid Gmbh, Burscheid, DE;

Inventors:

Richard Mittler, Burscheid, DE;

Peter Esser, Kurten, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/00 (2006.01); F16J 9/20 (2006.01);
U.S. Cl.
CPC ...
F16J 9/20 (2013.01);
Abstract

A compression piston ringhaving a running-surface region, an upper flank, a lower flankand also an inner circumferential surface, wherein the running-surface regionis provided with a profiled section, which, as viewed over the axial height of the running-surface region, comprises mutually spaced, convexly spherically constructed sectionshaving an upper and lower apex So; Su, wherein a groovewith a depth Tn is arranged between the apexes So, Su, wherein both apexes So; Su are arranged below a centre M of the piston ringin the axial direction.


Find Patent Forward Citations

Loading…