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:
Feb. 19, 2019

Filed:

Jun. 27, 2018
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventor:

Christopher J. Peters, West Hartford, CT (US);

Assignee:

United Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01); F03B 3/16 (2006.01); F01D 9/02 (2006.01); F01D 5/02 (2006.01); F03B 3/12 (2006.01); F03D 3/04 (2006.01); F01D 11/02 (2006.01); F03D 3/06 (2006.01); F16J 15/44 (2006.01);
U.S. Cl.
CPC ...
F01D 11/12 (2013.01); F01D 5/02 (2013.01); F01D 9/02 (2013.01); F01D 11/025 (2013.01); F03B 3/12 (2013.01); F03B 3/16 (2013.01); F03D 3/04 (2013.01); F03D 3/06 (2013.01); F16J 15/442 (2013.01); F05B 2240/57 (2013.01); F05D 2220/32 (2013.01);
Abstract

A non-contact seal assembly is provided. This assembly includes a plurality of seal shoes, a seal base and a plurality of spring elements. The seal shoes are arranged about a centerline in an annular array. The seal shoes include a first seal shoe extending axially along the centerline between a first shoe end and a second shoe end. An aperture may extend partially axially into the first seal shoe from the first shoe end and laterally within the first seal shoe. The seal base circumscribes the annular array of the seal shoes. Each of the spring elements is radially between and connects a respective one of the seal shoes with the seal base.


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