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:
Aug. 20, 2019
Filed:
Aug. 25, 2014
United Technologies Corporation, Farmington, CT (US);
Edward J. Gallagher, West Hartford, CT (US);
Byron R. Monzon, Cromwell, CT (US);
Ling Liu, Glastonbury, CT (US);
Linda S. Li, Middlefield, CT (US);
Darryl Whitlow, Middletown, CT (US);
Barry M. Ford, Middletown, CT (US);
United Technologies Corporation, Farmington, CT (US);
Abstract
In one exemplary embodiment, an airfoil for a turbine engine includes pressure and suction sides extending in a radial direction from a 0% span position at an inner flow path location to a 100% span position at an airfoil tip. The airfoil geometry corresponds to tangential leading and trailing edge curves and a tangential stacking offset curve. The airfoil extends from a root. A zero tangential reference point corresponds to tangential center of the root. Ycorresponds to a tangential distance from a leading edge to the reference point at a given span position. Ycorresponds to a tangential distance from a trailing edge to the reference point at a given span position. Yd corresponds to a tangential stacking offset at a given span position. (Y−Y)/(Y−Y) at 40% span position is about 1.5 and (Y−Y)/(Y−Y) at 20% span position is about 2.