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:
May. 15, 2012
Filed:
Jan. 07, 2009
Applicants:
Tino Lindner-silwester, Vienna, AT;
Christian Hold, Vienna, AT;
Martin Molnar, Vienna, AT;
Inventors:
Assignee:
Hoerbiger Kompressortechnik Holding GmbH, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/00 (2006.01); F16J 9/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A segmented piston ring assembly includes piston ring segmentshaving stepped ends, at least one piston ring segmentincluding a radial step on a radially inner peripheral surfaceover a part of the width of the piston ring segment, and a single-cut sealing ring, which bears radially against the inside of the peripheral surfaceof the piston ring segments, the sealing ringincluding an axial recesswhich cooperates with the radial stepof the piston ring segmentto prevent relative rotation therebetween.