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:
Apr. 20, 2021
Filed:
Jan. 15, 2018
United Technologies Corporation, Farmington, CT (US);
Bryan C. Atkins, Southington, CT (US);
Robert J. Esteve, Colchester, CT (US);
Richard A. Lomenzo, Jr., Enfield, CT (US);
David P. Houston, Glastonbury, CT (US);
Raytheon Technologies Corporation, Farmington, CT (US);
Abstract
A turbomachine airfoil element has an airfoil. The airfoil has an inboard end, an outboard end, a leading edge, a trailing edge, a pressure side, and a suction side. A span between the inboard and an outboard end is 1.4-1.6 inch. A chord length at 50% span is 0.9-1.4 inch. The element is remanufactured by providing first, second, third, fourth, and fifth mode resonance frequencies respectively of 2591.5±10% Hz, 4675.2±10% Hz, 7892.9±10% Hz, 10098.2±10% Hz, and 14808.2±10% Hz.