Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/211077
Kind Code:
A1
Abstract:
Provided is a refrigeration cycle device which can efficiently carry out a cooling operation and a heating operation using a low-pressure refrigerant and a high-pressure refrigerant. The refrigeration cycle device (1) carries out a heating operation by carrying out a dual refrigeration cycle that comprises a use-side refrigeration cycle using a first refrigerant at 30°C and at 1MPa or less, and a heat source-side refrigeration cycle using a second refrigerant at 30°C and at 1.5MPa or more, and carries out a cooling operation by carrying out a single refrigeration cycle using the first refrigerant.
Inventors:
YOSHIMI ATSUSHI
YAMADA TAKURO
KUMAKURA EIJI
IWATA IKUHIRO
KAJI RYUHEI
MIYAZAKI TAKERU
UEDA HIROKI
TANAKA MASAKI
NAKAYAMA MASAKI
YAMADA TAKURO
KUMAKURA EIJI
IWATA IKUHIRO
KAJI RYUHEI
MIYAZAKI TAKERU
UEDA HIROKI
TANAKA MASAKI
NAKAYAMA MASAKI
Application Number:
PCT/JP2022/016797
Publication Date:
October 06, 2022
Filing Date:
March 31, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B7/00; F25B1/00
Domestic Patent References:
| WO2017221382A1 | 2017-12-28 |
Foreign References:
| JP2000320914A | 2000-11-24 | |||
| JP2021011985A | 2021-02-04 | |||
| JP2015197254A | 2015-11-09 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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