Kabushiki Kaisha Yaskawa Denki

Mitsunori Nagao

Toru Shikayama

Masanobu Kakihara

Toshiyuki Kono

Akihito Toyota

Yuuto Fukuma

Kazuo Miura

A rotating electrical machine according to an embodiment includes a rotor rotatable around a rotation axis, a stator arranged to face the rotor, and a frame which accommodates the rotor and the stator and in which a refrigerant flow path is formed in a sidewall. The frame includes a through hole that penetrates from the refrigerant flow path to an outer periphery of the sidewall and is covered by a lid member.

Rotating electrical machine

A multi-degree-of-freedom actuator includes a movable element having a plurality of permanent magnets, and a stator including a stator core and a plurality of coils. The permanent magnets are arranged in the X direction such that the number P of poles is an even number of two or more. The coils are of two types: X-direction driving coil and Z-direction driving coil. The Z-direction driving coils the number of which is P are disposed at positions opposite to magnetic poles of the permanent magnets. The X-direction driving coil or coils the number of which is P/2 are each disposed at a position opposite to an intermediate point between two adjacent ones of the magnetic poles of the permanent magnets.

Multi-degree-of-freedom actuator and stage device

Growing community of inventors

Kitakyushu, Japan

Mitsunori Nagao