Patent · US Active

Turbine blade with airfoil tip vortex control

US10677066B2 · kind B2 · utility

7Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 2016
Grant dateJun 9, 2020
Priority date
Expiry dateNov 8, 2037

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A rotor blade for a gas turbine engine is provided. The rotor blade having: an attachment; an airfoil extending from the attachment to a tip; and a tip shelf located in a surface of the tip proximate to a pressure side of the airfoil, wherein the tip shelf has a ledge portion extending from the pressure side to a wall portion extending upwardly from the ledge portion to the tip and wherein the wall portion is configured to have a convex portion with respect to the pressure side of the airfoil as it extends from a leading edge to a trailing edge of the airfoil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.