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US 2009/0152406 A1Published application
Rotating auxiliary power unit air inlet door
AssigneeHamilton Sundstrand Corporation
InventorJay M. Francisco
Life of this patent
Estimating the term…
Abstract
An inlet door assembly includes an inlet door rotatable about an axis of rotation.
Claims18
An inlet door assembly for an auxiliary power unit comprising:
- an inlet door which defines a port there thorough, said inlet door rotatable about an axis of rotation.
An inlet door assembly for an auxiliary power unit comprising:
- an inlet door which defines a generally arcuate outer surface, said inlet door rotatable about an axis of rotation.
A method of communicating an airflow to an auxiliary power unit comprising:
- rotating an inlet door about an axis of rotation between a closed position and a ground position, an in-flight position rotationally between the closed position and the ground position, the in-flight position communicating airflow through a port through the inlet door.
Dependencies are inferred from the claim text.