Turbine incorporating splitters

US12221898B2 · kind B2 · utility

Assignees

• General Electric Company · US
• GE AVIO S.R.L. · IT

Inventors

• Jeffrey Donald Clements · Evendale, US
• Paul Hadley Vitt · Monroe, US
• Francesco Bertini · Tetti Gabriolotti, IT
• Aspi Rustom Wadia · Loveland, US
• Ganesh Seshadri · Savanuru, IN
• Mahendran Manoharan · Bengaluru, IN
• Ravikanth Avancha · Kanchinakote, IN

Key dates

• Filing date: Mar 6, 2018
• Grant date: Feb 11, 2025
• Expiry date: Feb 14, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T50/60
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A turbomachinery apparatus (10) includes: a turbine (22), including: a turbine component (36) defining at least one arcuate flowpath surface (40); an array of axial-flow turbine airfoils (46) extending from the flowpath surface, the turbine airfoils defining spaces therebetween; and a plurality of splitter airfoils (146) extending from the at least one flowpath surface, in the spaces between the turbine airfoils, each splitter airfoil having opposed pressure and suction sides extending between a leading edge and a trailing edge, wherein the splitter airfoils have a thickness ratio which is less than a thickness ratio of the turbine airfoils.