Title:
冷凍装置および冷凍装置の使用方法
Document Type and Number:
Japanese Patent JP7022772
Kind Code:
B2
Abstract:
To provide a freezer which can inhibit an overload of a motor for driving a compressor.SOLUTION: A freezer 1 includes: a detection part 80 which detects a pressure of an NH3 refrigerant circulating in a primary refrigerant circuit 10, a pressure of a CO2 refrigerant circulating in a secondary refrigerant circuit 20, or a temperature; and a control unit which controls opening/closing of a first valve 12B and a second valve 70A based on a detection value of the detection part.SELECTED DRAWING: Figure 1
Inventors:
Shohei Fukudome
Akihiro Watanabe
Shinya Ishizuka
Takeshi Noguchi
Terashima Iwao
Akihiro Watanabe
Shinya Ishizuka
Takeshi Noguchi
Terashima Iwao
Application Number:
JP2020008696A
Publication Date:
February 18, 2022
Filing Date:
January 22, 2020
Export Citation:
Assignee:
Maekawa Manufacturing Co., Ltd.
International Classes:
F25B1/10; F25B1/00
Domestic Patent References:
| JP2004218893A | ||||
| JP2015209797A | ||||
| JP2012052766A |
Attorney, Agent or Firm:
Hatta International Patent Corporation
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