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:
Jul. 21, 2020
Filed:
Jun. 15, 2017
United Technologies Corporation, Farmington, CT (US);
Conway Chuong, Manchester, CT (US);
Tara L. D'Ambruoso, Oxford, CT (US);
Michael DiFrancesco, Waterbury, CT (US);
Raytheon Technologies Corporation, Farmington, CT (US);
Abstract
A non-contact seal assembly is provided. The 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; a seal base circumscribing the annular array of the seal shoes; and a plurality of spring elements, each of the spring elements radially between and connecting a respective one of the seal shoes with the seal base, where the seal base and the plurality of spring elements are formed of a first material and the plurality of seal shoes are formed of a second material, where the first and second materials are joined together and the second material has a density lower than the first material.