Title:
モータの制御装置並びにそれを用いた圧縮機及び冷蔵庫
Document Type and Number:
Japanese Patent JP7123819
Kind Code:
B2
Abstract:
To provide a controller of a compressor capable of attaining both energy saving and suppression of compressor vibration.SOLUTION: A controller for a motor of a compressor arranged in a refrigeration cycle having a compressor that compresses a refrigerant and an evaporator that evaporates the refrigerant to generate cold air, can switch between current pulsation suppression control with relatively small power consumption and speed pulsation suppression control with relatively small vibration of the compressor, and executes the speed pulsation suppression control when the operating frequency of the motor is low and the evaporation temperature of the evaporator is high.SELECTED DRAWING: Figure 6
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Inventors:
Shintaro Koike
Application Number:
JP2019011804A
Publication Date:
August 23, 2022
Filing Date:
January 28, 2019
Export Citation:
Assignee:
Hitachi Global Life Solutions, Inc.
International Classes:
F25B1/00; F04B49/06; F25B5/02; F25D11/02; H02P21/05
Domestic Patent References:
| JP2018057085A | ||||
| JP2007113894A | ||||
| JP6311778A | ||||
| JP2007101163A |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office