(19)
(11) EP 4 212 797 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
30.08.2023 Bulletin 2023/35

(43) Date of publication:
19.07.2023 Bulletin 2023/29

(21) Application number: 21866338.3

(22) Date of filing: 29.06.2021
(51) International Patent Classification (IPC): 
F25B 41/24(2021.01)
F25B 41/35(2021.01)
 F25B 41/26(2021.01)
F25B 41/40(2021.01)
(52) Cooperative Patent Classification (CPC):
F25B 41/40; Y02B 30/70; F25B 2400/13; F25B 2500/18; F25B 13/00; F25B 41/20
(86) International application number:
PCT/JP2021/024483
(87) International publication number:
WO 2022/054377 (17.03.2022 Gazette 2022/11)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 11.09.2020 JP 2020152922

(71) Applicant: Daikin Industries, Ltd.
Osaka-shi, Osaka 530-0001 (JP)

(72) Inventors:
  • OHNO, Asahi
    Osaka-shi, Osaka 530-8323 (JP)
  • KOIKE, Fumiaki
    Osaka-shi, Osaka 530-8323 (JP)
  • HAMADATE, Junichi
    Osaka-shi, Osaka 530-8323 (JP)
  • OKUNO, Masato
    Osaka-shi, Osaka 530-8323 (JP)
  • YAKURA, Naritaka
    Osaka-shi, Osaka 530-8323 (JP)
  • KOMAKI, Ayumi
    Osaka-shi, Osaka 530-8323 (JP)
  • NOJIMA, Nobuhiro
    Osaka-shi, Osaka 530-8323 (JP)
  • AKAGI, Takaaki
    Osaka-shi, Osaka 530-8323 (JP)
  • OHTANI, Yasutaka
    Osaka-shi, Osaka 530-8323 (JP)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) REFRIGERANT PIPING UNIT AND REFRIGERATING APPARATUS


(57) A refrigerant pipe unit includes a first plate (51, 71), a second plate (52, 72) stacked on the first plate (51, 71), and a control valve (15, 21, 22, 17, 62, 63, 64). One of or both the first plate (51, 71) and the second plate (52, 72) includes or include a refrigerant flow path. The control valve (15, 21, 22, 17, 62, 63, 64) includes a valve body (43, 44, 77, 88, 91) that includes a refrigerant passage (43a, 44a, 77a, 88a, 91a) communicating with the refrigerant flow path, is rotatably disposed in the first plate (51, 71), and is configured to change a flow of a refrigerant at the refrigerant flow path, in accordance with an amount of rotation, and a driver (45, 78) that is configured to adjust the amount of rotation of the valve body (43, 44, 77, 88, 91).