Title:
REFRIGERATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/014027
Kind Code:
A1
Abstract:
This refrigeration system comprises a plurality of compressor units connected in parallel, and an oil equalizing pipe joining the plurality of compressor units to one another. Each compressor unit comprises: a low-pressure compressor; a high-pressure compressor; an oil separator for separating oil from a refrigerant; an oil tank for storing the oil; a low-pressure oil line for feeding the oil to the low-pressure compressor; and a high-pressure oil line for feeding the oil to the high-pressure compressor. The oil equalizing pipe connects main oil lines of different compressor units together. Each compressor unit additionally includes a low-pressure valve disposed in the low-pressure oil line, and a high-pressure valve disposed in the high-pressure oil line.
Inventors:
ISHIDA TOSHIYUKI (JP)
MATSUMOTO KOHEI (JP)
OMURA MINEMASA (JP)
MATSUMOTO KOHEI (JP)
OMURA MINEMASA (JP)
Application Number:
PCT/JP2023/005804
Publication Date:
January 18, 2024
Filing Date:
February 17, 2023
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F25B1/00; F25B43/02
Domestic Patent References:
| WO2021210064A1 | 2021-10-21 |
Foreign References:
| JP2004069285A | 2004-03-04 | |||
| JP2012242081A | 2012-12-10 | |||
| JP2009150368A | 2009-07-09 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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