Title:
磁気軸受装置、及びそれを用いた流体機械システム
Document Type and Number:
Japanese Patent JP6558501
Kind Code:
B2
Abstract:
A magnetic bearing device includes a magnetic bearing (21, 22) including a plurality of electromagnets (51 to 54), a displacement sensor (31, 32) configured to output an output signal in accordance with a displacement of a shaft (5), and a controller (40) configured to control the electromagnets (51 to 54). The controller (40) compensates for a change in levels of the output signal, the change occurring in accordance with a change in ambient temperature around the displacement sensor (31, 32), based on one or more reference values (R) correlating with the change in levels of the output signal. The one or more reference values (R) are detected for use in controlling the rotary electric machine (4), a fluid machine system (1) including the rotary electric machine (4), or an apparatus (100) including the fluid machine system (1).
Inventors:
Atsushi Sakawaki
Kazuya Hirata
Kazuya Hirata
Application Number:
JP2018534210A
Publication Date:
August 14, 2019
Filing Date:
August 18, 2016
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F16C32/04; F04D27/00; F04D29/058; F16C41/00
Domestic Patent References:
| JP2008157439A | ||||
| JP854020A | ||||
| JP2001214934A | ||||
| JP440308U |
Attorney, Agent or Firm:
Maeda patent office