Patent ID: 6901737
Filing Date: 2005-06-07
Classification: B64D,F02C,Y10T

Abstract:
1. An air intake for an aircraft including an auxiliary power unit housed in a chamber of an aircraft body having an outer skin and an opening in said outer skin for feeding external air through said opening into said aircraft, said air intake comprising a first airflow channel ( 2 ) passing through said opening for feeding fresh air into said aircraft, a second airflow channel ( 8 ) passing through said opening for feeding cooling air to said auxiliary power unit, a seesaw rocker ( 4 ) for simultaneously closing or opening first and second air inlets of said first and second airflow channels ( 2 , 8 ) respectively, a hinge ( 5 ) positioned between first and second rigidly interconnected end portions ( 4 A, 4 B) of said seesaw rocker ( 4 ), said hinge ( 5 ) securing said seesaw rocker ( 4 ) to said aircraft body in a position permitting said simultaneous closing or opening of both said first and second air inlets of said first and second airflow channels ( 2 , 8 ), said air intake further comprising a drive motor (M) operatively connected to said seesaw rocker ( 4 ) at a pivot (P) for rocking said seesaw rocker ( 4 ) between an airflow channel closing position and an airflow channel opening position, whereby said first and second air flow channels ( 2 , 8 ) are opened and closed by the same see-saw rocker ( 4 ) and wherein said drive motor (M) is responsive to an operational status of said auxiliary power unit (AP) for closing said first and second airflow channels ( 2 , 8 ) when said auxiliary power unit is not operating and for opening said first and second airflow channels ( 2 , 8 ) when said auxiliary power unit is operating.