(19)

(11)

EP 3 635 310 A1

(12)

(43) Date of publication: 15.04.2020 Bulletin 2020/16 (21) Application number: 18724767.1 (22) Date of filing: 01.05.2018

(51) International Patent Classification (IPC):  F25B 31/00(2006.01) F25B 43/02(2006.01) F25B 39/02(2006.01) (86) International application number: PCT/US2018/030427 (87) International publication number: WO 2018/212983 (22.11.2018 Gazette 2018/47)

(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: 19.05.2017 CN 201710357044 (71) Applicant: Carrier Corporation Jupiter, FL 33478 (US)	(72) Inventor: GUO, Junjie Shanghai 201206 (CN) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)