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Marine reduction gear

  • US 10,442,517 B2
  • Filed: 10/20/2016
  • Issued: 10/15/2019
  • Est. Priority Date: 10/23/2015
  • Status: Active Grant
First Claim
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1. A marine reduction gear comprising:

  • an input shaft coupled to a first output shaft that is an output shaft of an engine;

    a second output shaft coupled to a propeller shaft that rotates a screw propeller;

    a gearbox accommodating an input gear provided on the input shaft and an output gear provided on the second output shaft, the gearbox supporting a first bearing that supports the second output shaft in a rotatable manner; and

    an electrical rotating machine including;

    a central shaft that rotates together with the second output shaft;

    a rotor fixed to the central shaft; and

    a stator surrounding the rotor, whereinthe gearbox supports the stator and a pair of second bearings that supports the central shaft of the electrical rotating machine at both sides of the rotor in a rotatable manner.

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