Title:
冷凍サイクル装置
Document Type and Number:
Japanese Patent JP7208576
Kind Code:
B2
Abstract:
Provided is a refrigeration cycle apparatus capable of efficiently performing a cooling operation and a heating operation using a low-pressure refrigerant and a high-pressure refrigerant. A refrigeration cycle apparatus using a first refrigerant having 1 MPa or less at 30°C and a second refrigerant having 1.5 MPa or more at 30°C performs a heating operation by performing a two-stage refrigeration cycle including a use-side refrigeration cycle using the first refrigerant and a heat-source-side refrigeration cycle using the second refrigerant, and performs a cooling operation by performing a single-stage refrigeration cycle using the first refrigerant.
Inventors:
Yoshimi Atsushi
Takuro Yamada
Eiji Kumakura
Iwata Iwata
Miyazaki Takeshi
Hiroki Ueda
Masataka Tanaka
Nakayama Masaki
Osamu Tanaka
Hirokazu Fujino
Ryuhei Kaji
Takuro Yamada
Eiji Kumakura
Iwata Iwata
Miyazaki Takeshi
Hiroki Ueda
Masataka Tanaka
Nakayama Masaki
Osamu Tanaka
Hirokazu Fujino
Ryuhei Kaji
Application Number:
JP2022058410A
Publication Date:
January 19, 2023
Filing Date:
March 31, 2022
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F25B7/00; F25B1/00; F25B13/00; F25B29/00; F25B43/00; F25B49/02
Domestic Patent References:
| JP2000320914A | ||||
| JP2021011985A |
Foreign References:
| WO2017221382A1 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation