Title:
REFRIGERANT CIRCUIT FOR A REFRIGERATION APPARATUS WITH A THERMAL STORAGE AND METHOD FOR CONTROLLING A REFRIGERANT CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2022/097680
Kind Code:
A1
Abstract:
The present disclosure relates to a refrigerant circuit for cooling and/or heating purposes. In particular, the disclosure relates to a refrigerant circuit (1) for a refrigeration apparatus with a thermal storage, which is using CO2 as refrigerant, including: at least one compressor (10), a heat-source-side heat exchanger (11), an expansion device (12), and a thermal storage (20), including a thermal storage material (21), which is preferably a phase changing material (PCM) from the group: organic PCMs like bio-based, paraffin, carbohydrate or lipid derived, or water, wherein the refrigerant circuit (1) further includes: a first fluid communication pipe (30) communicating between a fluid side of the heat-source-side heat exchanger (11) and one side of the thermal storage (20), and a second fluid communication pipe (40) communicating between the expansion device (12) and the other side of the thermal storage (20).
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Inventors:
YAMAGUCHI TAKAHIRO
VANDAELE STEFAN
VAN DE VELDE KRIS
VANDAELE STEFAN
VAN DE VELDE KRIS
Application Number:
PCT/JP2021/040591
Publication Date:
May 12, 2022
Filing Date:
November 04, 2021
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
DAIKIN EUROPE NV (BE)
DAIKIN EUROPE NV (BE)
International Classes:
F25B41/20; F25B6/04; F25B13/00
Domestic Patent References:
| WO2000033002A1 | 2000-06-08 |
Foreign References:
| US20190264933A1 | 2019-08-29 | |||
| EP3222934A1 | 2017-09-27 | |||
| EP1550830A1 | 2005-07-06 | |||
| EP2402681A1 | 2012-01-04 | |||
| EP2844924B1 | 2019-04-03 | |||
| EP2844924A1 | 2015-03-11 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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