| 摘要 |
A reversing/reduction gear connecting a marine gas turbine to a propulsion shaft is of the epicyclic type, and includes two sun wheels, two sets of planetary gear wheels, two planetary gear wheel carriers and two external ring wheels, means being provided for selectively braking a first combination of one planetary gear wheel carrier and one of the external gear wheels, as well as the combination of the other external ring wheel and one of the sun wheels, respectively.
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