Kawasaki Jukogyo Kabushiki Kaisha

Ryo Miyamae

Tatsuya Ohno

Yoshihiko Ozaki

Shoichi Takahashi

Koji Hashimoto

Kenichi Masamoto

A rotor of an electrical rotating machine includes: a rotor shaft; a cylindrical sleeve externally fitted to the rotor shaft and extending in an axial direction X; and a plurality of permanent magnets serving as field magnets, the plurality of permanent magnets being provided between the rotor shaft and the sleeve in a radial direction and retained by the sleeve around the rotor shaft. The sleeve is formed by a plurality of short sleeves arranged in the axial direction X, and end portions of the short sleeves that are adjacent to each other, the end portions being butted together in the axial direction X, are mechanically joined together in a torque-transmittable manner.

Rotor of electrical rotating machine

A marine reduction gear makes it possible to reduce the installation space of an electrical rotating machine. A marine reduction gear includes: an input shaft coupled to an output shaft of an engine; an 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 output shaft, the gearbox supporting a first bearing that supports the output shaft in a rotatable manner; and an electrical rotating machine including: a central shaft that rotates together with the output shaft; a rotor fixed to the central shaft; and a stator surrounding the rotor. The gearbox supports the stator and a second bearing that supports the central shaft of the electrical rotating machine in a rotatable manner.

Growing community of inventors

Kobe, Japan

Ryo Miyamae