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:
Aug. 16, 2022

Filed:

May. 22, 2019
Applicant:

Rolls-royce Corporation, Indianapolis, IN (US);

Inventors:

Joseph Swift, Indianapolis, IN (US);

Daniel Feinstein, Zionsville, IN (US);

Caleb Camara, Indianapolis, IN (US);

Assignee:

Rolls-Royce Corporation, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/16 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F16J 15/164 (2013.01); F16J 15/3464 (2013.01); F16J 15/3496 (2013.01);
Abstract

A seal assembly is disclosed for sealing a higher pressure fluid cavity from a lower pressure fluid cavity. The seal assembly comprises a runner mounting assembly, a circumferential ceramic runner carried by the runner mount assembly, and a carbon seal ring sealingly engaged to the runner. The runner mount assembly comprises an annular central junction portion radially spaced from the shaft, a pair of shaft engaging flanges, and a pair of runner engaging flanges. The runner is radially positioned between the runner engaging flanges of the runner mount assembly and the carbon seal ring.


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