ELECTRICALLY DRIVEN, RETRACTABLE RUDDER PROPELLER INCLUDING A STEP-DOWN GEAR UNIT
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Apr 11, 2013
filing date -
May 2, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A driving device for a ship is described, including a rudder propeller with a propeller shaft and with a vertical shaft which drives the propeller shaft via an angular gear unit and which is rotatable and driven by an electric driving motor, and including a lifting device for moving the rudder propeller between a retracted position within the ship and a deployed operating position outside the ship.
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