Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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B63H
MARINE PROPULSION OR STEERING
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23/00
Transmitting power from propulsion power plant to propulsive elements
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B63H23/02
with mechanical gearing
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B63H23/06
for transmitting drive from a single propulsion power unit
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B63H2023/062
comprising means for simultaneously driving two or more main transmitting elements, e.g. drive shafts
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B63H2023/067
the elements being formed by two or more coaxial shafts, e.g. counter-rotating shafts
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