Cooling system for a gas turbine engine

Details Cooling system for a gas turbine engine Cooling system for a gas turbine engine

2006-03-22

2009-12-01

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

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

C415S116000

Reexamination Certificate

active

07625171

ABSTRACT:
A cooling system for a gas turbine engine (FIG.1) comprises a pre-swirl arrangement, preferably including a pre-swirl chamber, for providing cooling air to a turbine blade disc, and a ventilation arrangement for providing ventilation air to a rotating component of the gas turbine engine. The cooling system includes an air bypass arrangement, which preferably includes first, second and third air bypass duct portions, for conveying ventilation air away from the pre-swirl arrangement.

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