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Title:
BINARY REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/246137
Kind Code:
A1
Abstract:
Provided is a binary refrigeration device equipped with: a low-temperature-side refrigeration circuit, which is provided with a helical heat exchanger having a main body pipe into which a low-temperature-side refrigerant, which flows into a low-temperature-side compressor, flows, and a helical pipe which is wound around the main body pipe in a helical shape, and into which the low-temperature-side refrigerant flowing from the low-temperature-side compressor flows; and a high-temperature-side refrigeration circuit for circulating a high-temperature-side refrigerant that exchanges heat with the low-temperature-side refrigerant exchanges heat via a plate-type heat exchanger.

Inventors:
TOYOOKA TAKASHI
SUTO MINORU
Application Number:
PCT/JP2021/018389
Publication Date:
December 09, 2021
Filing Date:
May 14, 2021
Export Citation:
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Assignee:
PHC HOLDINGS CORP (JP)
International Classes:
F25B7/00; F25B1/00
Foreign References:
JPS6273046A1987-04-03
JP2012112615A2012-06-14
JPS57199767U1982-12-18
JP2008232449A2008-10-02
US8011201B22011-09-06
JP2020097933A2020-06-25
Other References:
See also references of EP 4137754A4
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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