Tapered enlargement metering inlet channel for a shroud cooling

Details Tapered enlargement metering inlet channel for a shroud cooling Tapered enlargement metering inlet channel for a shroud cooling

1991-05-20

1992-11-24

Kwon, John T.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

415116, F01D 518

Patent

active

051658470

ABSTRACT:
To cool the shroud in the high pressure turbine section of a gas turbine engine, high pressure cooling air is directed in metered flow through channels, which include tapered enlargement frustroconical recuperators, to baffle plenums and thence through baffle perforations to impingement cool the shroud rails and back surface. The baffle perforations and the convection cooling passages are interactively located to achieve maximum cooling benefit and highly efficient cooling air utilization.

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