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:
Mar. 26, 2024
Filed:
Oct. 28, 2022
Raytheon Technologies Corporation, Farmington, CT (US);
Kerry E. Muenchow, West Hartford, CT (US);
Georgios S. Zafiris, Glastonbury, CT (US);
Raymond P. Martina, Jr., Manchester, CT (US);
John Harner, Florence, MA (US);
Imad Hanhan, Newington, CT (US);
Darin S. Lussier, Guilford, CT (US);
Scott A. Smith, Plantsville, CT (US);
Mark W. Costa, Storrs, CT (US);
Michael R. LaFavor, Manchester, CT (US);
RTX Corporation, Farmington, CT (US);
Abstract
An abradable material for a rub strip of a gas turbine engine component includes a polymer matrix, and an organic or inorganic filler distributed through the matrix, wherein the abradable material has a compression spring rate profile including: less than 50,000 lb/in at −65° F., less than 35,000 lb/in at room temperature, and less than 35,000 lb/in at 200° F.