Patent ID: 6896487
Filing Date: 2005-05-24
Classification: F01D,F05D,Y02T

Abstract:
1. A cooling circuit disposed between a first wall portion and a second wall portion of a wall suitable for use in a gas turbine engine, comprising: a plurality of inlet apertures disposed in said first wall portion, said inlet apertures provide a flow path of cooling air into the cooling circuit; a first exit slot disposed radially in said second wall portion, said first exit slot provides a cooling air flow path out of the cooling circuit; a plurality of pedestals extending between said first wall portion and said second wall portion, said pedestals accelerate and turbulate the cooling air passing therebetween, said pedestals are arranged in rows offset from one another; and a first elongated pedestal disposed radially and extending between said first wall portion and said second wall portion, said first elongated pedestal postitioned immediately between said pedestals and said first exit slot, said first elongated pedestal uniformly distributes the cooling air through said first exit slot.