Rotor device
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United States of America Patent
Stats
-
Aug 5, 1986
Grant Date -
N/A
app pub date -
Jun 20, 1984
filing date -
Jun 22, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a rotor device, preferably a boat propeller device. The propeller shaft drives, via a planetary gear system, two propellers in the rotational direction of the shaft and one propeller counter to the rotational direction of the shaft. The propellers are dimensioned so that they absorb approximately equal torques.
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