DID YOU KNOW? DTIC has over 3.5 million final reports on DoD funded research, development, test, and evaluation activities available to our registered users. Click HERE
to register or log in.
Variable Nozzle Area Turbine Vane Cooling.
Patent, Filed 19 May 86, patented 17 Jan 89,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
Pagination or Media Count:
The cooling insert for a movable vane in a jet engine is divided into plural overlapping forward and aft segregated members, each member being coolant fed through separate vane trunnion areas and each insert is of successively decreasing cross-sectional area. Problems of locally inadequate vane cooling, coolant match point movement, and unequal coolant supply pressures are addressed by the disclosed apparatus. Reuse of the trunnion supplied impingement cooling air for additional cooling functions is also disclosed. Patents. mjm
APPROVED FOR PUBLIC RELEASE