Methods and systems for controlling the pitch of a propeller
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United States of America Patent
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N/A
Issued Date -
Oct 13, 2005
app pub date -
Mar 2, 2005
filing date -
Mar 3, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatuses and methods for controlling the motion of a propeller blade are disclosed. In one embodiment, the apparatus can include a first motor that rotates a propeller about a first axis with a first shaft. A first signal transmission portion, fixed relative to the first motor, can transmit signals to a second signal transmission portion that rotates with the first shaft. A second motor can be carried by the first shaft and can receive signals from the second signal transmission portion. The second motor can drive blades of the propeller about a second axis generally transverse to the first axis via a second shaft to vary the pitch of the blades.
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