Title:
REFRIGERANT CYCLE SYSTEM
Document Type and Number:
Japanese Patent JP2020201009
Kind Code:
A
Abstract:
To solve a problem that when a flammable or toxic refrigerant is used, refrigerant filling amount allowable per indoor volume is restricted in some cases, but there is no description about the restriction of the refrigerant filling amount in Patent Document 1.SOLUTION: A refrigerant cycle system 100 includes a first refrigerant circuit 1 and a second refrigerant circuit 2. The first refrigerant circuit 1 includes a first heat exchanger 11, a first compressor 12 and a first cascade heat exchanger 21. The second refrigerant circuit 2 includes a first cascade heat exchanger 21, a second compressor 22 and second heat exchangers 31A, 31B. The first heat exchanger 11 and the first compressor 12 are accommodated in a first unit 10. The first cascade heat exchanger 21 and the second compressor 22 are accommodated in a second unit 20. The second heat exchangers 31A, 31B are accommodated in a third unit 30. The first unit 10, the second unit 20 and the third unit 30 are disposed to separate from each other.SELECTED DRAWING: Figure 1
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Inventors:
YAMADA TAKUO
YOSHIMI ATSUSHI
KUMAKURA EIJI
IWATA YASUHIRO
KOSHO KAZUHIRO
KAGAWA MIKIO
MORIWAKI MICHIO
MINAMIDA TOMOATSU
MATSUOKA HIROMUNE
MINAMI JUNYA
YOSHIMI ATSUSHI
KUMAKURA EIJI
IWATA YASUHIRO
KOSHO KAZUHIRO
KAGAWA MIKIO
MORIWAKI MICHIO
MINAMIDA TOMOATSU
MATSUOKA HIROMUNE
MINAMI JUNYA
Application Number:
JP2019109416A
Publication Date:
December 17, 2020
Filing Date:
June 12, 2019
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F25B7/00; F25B1/00; F25B13/00
Domestic Patent References:
| JP2002228284A | 2002-08-14 | |||
| JPH07243711A | 1995-09-19 | |||
| JP2007315706A | 2007-12-06 | |||
| JP2017161182A | 2017-09-14 | |||
| JPH02126060A | 1990-05-15 | |||
| JP2000146216A | 2000-05-26 | |||
| JPH08261517A | 1996-10-11 | |||
| JP6058145B2 | 2017-01-11 | |||
| JP2000039230A | 2000-02-08 | |||
| JP2018194260A | 2018-12-06 |
Foreign References:
| WO2018235832A1 | 2018-12-27 | |||
| US20170074559A1 | 2017-03-16 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation