Patent · US Active

Airfoils with lobed cooling cavities

US12173618B2 · kind B2 · utility

0Cited by
23References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2023
Grant dateDec 24, 2024
Priority date
Expiry dateSep 26, 2043

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/202
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A turbine engine airfoil element has a plurality of main body passageways along a camber line and having two or more chordwise distributed protuberant portions with necks between the protuberant portions. A plurality of skin passageways include: at least one first skin passageway each nested between a first of the pressure side and the suction side and two adjacent main body passageways; and a plurality of second skin passageways each nested between first of the pressure side and the suction side and two said protuberant portions of a corresponding main body passageway.

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