Device for reducing noise and absorbing vibrations generated by an electric motor built into a ship propulsion pod
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United States of America Patent
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Jan 13, 2004
Grant Date -
Mar 20, 2003
app pub date -
Jul 18, 2002
filing date -
Oct 12, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An absorption device absorbs vibrations generated by an electric motor that is built into a propulsion pod of a ship. The propulsion pod contains an electric motor that is cooled by circulation of a radial airflow within the propulsion pod. The electric motor rotationally drives at least one propeller through a transmission shaft. The absorption device is disposed in the propulsion pod to position and hold the electric motor inside the propulsion pod and also to filter the vibrations emitted by the motor and channel the motor cooling airflow circulation.
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