| 摘要 |
A marine transmission is capable of operating in three modes, normal ahead, maneuver ahead and reverse. It includes a positive engagement clutch for the normal ahead mode and modulated engagement mechanism (a clutch and a brake) for the maneuver ahead and reverse modes. Power is supplied to an output shaft through an external shaft. The maneuver ahead and reverse modes use an internal shaft concentric with the external shaft. In the reverse mode the direction of the external shaft is changed by employing a planetary gear arrangement.
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