Aeronautics and astronautics – Aircraft control – Automatic
Reexamination Certificate
2006-03-07
2010-12-28
Ellis, Christopher P (Department: 3644)
Aeronautics and astronautics
Aircraft control
Automatic
C244S193000, C244S017130
Reexamination Certificate
active
07857262
ABSTRACT:
The present invention relates to helicopter automatic piloting equipment. The automatic piloting device for helicopter acts on flight controls of the helicopter that are affected by mechanical play by means of a group of mechanically irreversible rams termed series rams with fast response and short stroke, placed in series on the flight controls. According to the invention, the device comprises at least one detector for detecting direction of variation of the displacement instructions of the series rams and a play compensator adding to the instruction, as a function of the latter's direction of variation, a corrective term dependent on the mechanical play affecting the flight control equipped with the series ram concerned.
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Ellis Christopher P
Lowe Hauptman & Ham & Berner, LLP
Thales
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