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:
Jan. 14, 2020

Filed:

May. 30, 2017
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Christopher M. Juh, South Windsor, CT (US);

Ross Wilson, South Glastonbury, CT (US);

Assignee:

United Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F04D 29/044 (2006.01); F01D 5/02 (2006.01); F01D 25/18 (2006.01); F04D 29/04 (2006.01); F04D 29/047 (2006.01); F04D 29/10 (2006.01); F16C 33/72 (2006.01); F16J 15/54 (2006.01);
U.S. Cl.
CPC ...
F04D 29/044 (2013.01); F01D 5/026 (2013.01); F01D 11/003 (2013.01); F01D 25/183 (2013.01); F01D 25/186 (2013.01); F04D 29/0405 (2013.01); F04D 29/0473 (2013.01); F04D 29/10 (2013.01); F05D 2240/55 (2013.01); F05D 2240/57 (2013.01); F05D 2240/59 (2013.01); F05D 2260/38 (2013.01); F16C 33/72 (2013.01); F16J 15/545 (2013.01);
Abstract

An intershaft seal assembly that is between a first shaft and a second shaft of a bearing compartment of an engine includes a first seal element and a retaining element. The first seal element surrounds the first shaft and includes a first portion is in contact with the first shaft and a second portion extending in a non-parallel direction to a radial direction of the first shaft. The retaining element is threadably engaged with the first shaft such that the retaining element presses the first seal element against the shoulder of the first shaft.


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