Title:
ELECTRIC MOTOR WITH FUNCTION OF CONFIRMING ELECTRIFICATION STATE TO BRAKE
Document Type and Number:
Japanese Patent JP2020079610
Kind Code:
A
Abstract:
To provide an electric motor capable of easily confirming an electrification state of a brake without using an external measuring device, and preventing failure due to driving without releasing the brake.SOLUTION: An electric motor according to an embodiment of the present disclosure comprises: a rotor part having a rotational shaft; a stator part that faces the rotor part in a radial direction; an electromagnetic brake that brakes the rotational shaft; and a sensor that is built in the electromagnetic brake, and detects the electrification state of the electromagnetic brake.SELECTED DRAWING: Figure 2
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Inventors:
HAYASHI MAKOTO
Application Number:
JP2018212526A
Publication Date:
May 28, 2020
Filing Date:
November 12, 2018
Export Citation:
Assignee:
FANUC LTD
International Classes:
F16D55/28; F16D65/18; F16D66/00; G01R1/22; G01R15/20; H02K7/102
Domestic Patent References:
| JP2017013788A | 2017-01-19 | |||
| JP2017074837A | 2017-04-20 | |||
| JP2018128074A | 2018-08-16 | |||
| JPH08240236A | 1996-09-17 | |||
| JP2010242785A | 2010-10-28 | |||
| JP2015199573A | 2015-11-12 | |||
| JPS5091658U | 1975-08-02 | |||
| JPS57126646U | 1982-08-06 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Hirose Shigeki
Kenichi Nakamura
Shinji Mitsuhashi
Hirose Shigeki
Kenichi Nakamura