Dirt separator for compressor diffuser in gas turbine engine

Power plants – Combustion products used as motive fluid – Combustion products generator

Reexamination Certificate

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Details

C055S459100, C055S473000

Reexamination Certificate

active

07874158

ABSTRACT:
A compressor diffuser for a gas turbine engine is provided with a dirt separator. The dirt separator ensures the air having moved downstream of the compressor section, and moving toward the combustion section, is separated into a dirtier air flow path directly radially outwardly, and a cleaner airflow path directed radially inwardly. In this manner, the air reaching a combustion section, and the air being utilized for radially inner cooling air is relatively cleaner air. Further, the dirt separator provides a convenient surface for mounting a pressure sensor. In one embodiment, the dirt separator is mounted within the diffuser housing, and in a second embodiment, it is mounted immediately downstream.

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European Search Report dated May 19, 2010.

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