Patent · US Active

Aero-acoustically dampened bleed valve

US12180897B2 · kind B2 · utility

0Cited by
18References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 2023
Grant dateDec 31, 2024
Priority date
Expiry dateJul 17, 2043

Classification

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

Abstract

Aero-acoustically damped bleed valves are disclosed. An example variable bleed valve apparatus comprises a variable bleed valve door to actuate the variable bleed valve apparatus, and a variable bleed valve port including an upstream edge and a downstream edge, the VBV port to define a secondary flowpath, the VBV door to cover the VBV port in a closed position, and a vortex device at the upstream edge of the variable bleed valve port, the vortex device including a vorticity generating feature along the upstream edge of the variable bleed valve port.

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