Drive transmissions
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United States of America Patent
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-
Feb 11, 1992
Grant Date -
N/A
app pub date -
Oct 11, 1990
filing date -
Oct 23, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a ships drive transmission, contra rotating propeller shafts are driven by powered means comprising concentric contra rotating drive elements, one of the shafts being connected thereto via epicyclic gearing. The propeller shafts are also coupled to each other through a part of the epicyclic gearing, to ensure equal loading.
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