Operation of a helicopter
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United States of America Patent
Stats
-
Jul 22, 1997
Grant Date -
N/A
app pub date -
Apr 17, 1995
filing date -
Apr 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a helicopter having a main rotor, a tail boom and a circulation control slot along one side of the tail boom, and a thruster which is selectively directable at either side or both sides of the rear end of the tail boom, anti-torque and yaw control are effected by generating separate air flow streams of different pressures by means of separate pressure means and conducting said separate air flow streams at said different pressures in separate passages to respectively the circulation control slot and to the thruster.
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