Dual cooled shroud

Details Dual cooled shroud Dual cooled shroud

1998-01-16

1999-11-30

Ryznic, John E.

Rotary kinetic fluid motors or pumps

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

415116, F01D 514, F03B 1100, F04D 3100

Patent

active

059931507

ABSTRACT:
A turbine shroud includes a panel having a forward hook and an aft hook spaced therefrom. A primary cooling circuit extends through the panel adjacent the forward hook, and has a primary inlet for receiving primary air at a first pressure, and a primary outlet for discharging the primary air. A secondary cooling circuit extends through the panel adjacent the aft hook independently of the primary circuit. The secondary circuit includes a secondary inlet for receiving secondary air at a second pressure different than the first pressure, and a secondary outlet for discharging the secondary air. The dual cooled shroud accommodates differential gas pressure through the turbine.

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