Patent · US Active

Aero-acoustically dampened bleed valve

US11739698B2 · kind B2 · utility

1Cited by

13References

19Claims

0Family size

Assignee

General Electric Company · US

Inventors

Thomas Malkus · Albany, US
Trevor Howard Wood · Clifton Park, US
Giridhar Jothiprasad · Clifton Park, US
Nageswar Ganji · Bengaluru, IN
Hiranya Nath · Bengaluru, IN
Ravindra Shankar Ganiger · Kanchinakote, IN
Ambika Shivamurthy · Bengaluru, IN

Key dates

Filing date	Mar 1, 2022
Grant date	Aug 29, 2023
Priority date	—
Expiry date	Mar 1, 2042

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.