Toyota Jidosha Kabushiki Kaisha

Shintaro Nakano

Daisuke Kobayashi

Hirotaka Sunada

Masao Nakayama

Kenta Takeshima

Ayumu Yageta

Shuzaburo Kita

Akifumi Oosugi

Hideki Tsutsui

A method of manufacturing a rotor for a rotating electric machine. The rotor includes a rotor core and at least one magnet fixed in at least one magnet fixing portion provided in the rotor core. The method includes: (a) placing the at least one magnet and at least one fixing member in the at least one magnet fixing portion such that each of the at least one fixing member is positioned between a corresponding one of the at least one magnet fixing portion and a corresponding one of the at least one magnet; and (b) applying an electric current to the at least one magnet to heat the at least one fixing member by heat generated by an electrical resistance of the at least one magnet, and fixing the at least one magnet to the at least one magnet fixing portion through the heated at least one fixing member.

Method for manufacturing rotor for rotor electric machine

A clutch is provided with a drive-side rotational body and a driven-side rotational body, which can move in the axial direction between a coupled position and a decoupled position. The driven-side rotational body has a groove having a helical portion and an annular portion that is deeper than the helical portion. The driven-side rotational body is urged toward the coupled position by an urging member. The driven-side rotational body is moved to the decoupled position against the urging force of the urging member by insertion of a pin into the helical portion. A projection is provided on the tip of the pin, and a recessed groove for accommodating the projection when the pin is inserted into the helical portion is provided in the bottom surface of the helical portion.

Clutch having a groove formed in an outer circumferential surface

An annular groove is provided in a driving-side rotor of a clutch. Guide grooves are provided on a driven-side rotor of the clutch. By moving the driving-side rotor relative to the driven-side rotor, balls are moved that are accommodated in the spaces provided by the sections where the guide grooves and the annular groove face each other. Moving the balls toward the sections where the gap between the driving-side rotor and the driven-side rotor is narrow causes the balls to engage with the driving-side rotor and the driven-side rotor to achieve an engaged state. A disengaged state, in which engagement is cancelled, is achieved by moving the balls to the sections where the gap is wide.

Clutch

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Toyota, Japan

Shintaro Nakano