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. 04, 2020

Filed:

Jul. 14, 2017
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Conway Chuong, Manchester, CT (US);

Tara L. D'Ambruoso, Oxford, CT (US);

Joey Wong, Enfield, CT (US);

Assignee:

Raytheon Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/44 (2006.01); F01D 25/22 (2006.01); F03D 9/34 (2016.01); F01D 5/03 (2006.01); F01D 11/02 (2006.01); F01D 11/12 (2006.01); F03B 3/12 (2006.01); F03B 3/16 (2006.01);
U.S. Cl.
CPC ...
F16J 15/442 (2013.01); F01D 5/03 (2013.01); F01D 11/025 (2013.01); F01D 11/12 (2013.01); F01D 25/22 (2013.01); F03D 9/34 (2016.05); F03B 3/12 (2013.01); F03B 3/16 (2013.01); F05D 2240/53 (2013.01);
Abstract

A non-contact seal assembly includes a plurality of seal shoes arranged about a centerline in an annular array, the seal shoes including a first seal shoe extending axially along the centerline between a first shoe end and a second shoe end. The non-contact seal assembly may comprise a seal base circumscribing axially offset from the annular array of the seal shoes. The non-contact seal assembly may further comprise a plurality of spring elements, each of the spring elements radially distal from and connecting to a respective one of the seal shoes, and each of the plurality of spring elements is axially adjacent to the seal base.


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