(19)
(11) EP 3 596 410 A1

(12)

(43) Date of publication:
22.01.2020 Bulletin 2020/04

(21) Application number: 18713542.1

(22) Date of filing: 12.03.2018
(51) International Patent Classification (IPC): 
F25B 9/00(2006.01)
F25B 45/00(2006.01)
F25B 41/04(2006.01)
 F25B 41/00(2006.01)
F25B 1/10(2006.01)
(86) International application number:
PCT/US2018/021956
(87) International publication number:
WO 2018/169844 (20.09.2018 Gazette 2018/38)
(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: 15.03.2017 CN 201710153062

(71) Applicant: Carrier Corporation
Jupiter, FL 33478 (US)

(72) Inventor:
  • ZHAO, Bo
    Shanghai 201206 (CN)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) PRESSURE RELIEF AND RECOVER CIRCUIT FOR REFRIGERATION SYSTEM, CO2 REFRIGERATION SYSTEM AND CONTROL METHOD THEREOF