Bleed diffuser for gas turbine engine

Details Bleed diffuser for gas turbine engine Bleed diffuser for gas turbine engine

2005-05-31

2008-10-14

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

For nominal other than power plant output feature

C251S129110

Reexamination Certificate

active

07434405

ABSTRACT:
A gas turbine engine includes a compressor section, a combustion section communicating with and disposed downstream of the compressor section relative to a direction of airflow, and a gas turbine section communicating with and disposed downstream of the combustion section relative to a direction of airflow. One of the sections has a wall defining an opening to access an airflow through the sections. A bleed diffuser assembly is disposed over the opening, and includes a housing including inlet and outlet ends. A diffuser having inlet and outlet ends is movably disposed within the housing. An actuator is coupled to the diffuser for moving the diffuser generally toward the inlet end of the housing and into an operative position when the actuator is energized. A biasing member is provided for urging the diffuser generally toward the outlet end of the housing and into a retracted position when the actuator is de-energized.

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