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(11)

EP 4 051 966 A1

(12)

(43) Date of publication: 07.09.2022 Bulletin 2022/36 (21) Application number: 20709348.5 (22) Date of filing: 24.01.2020

(51) International Patent Classification (IPC):  F24F 1/0057(2019.01) F24F 1/0007(2019.01) F24F 13/20(2006.01) (52) Cooperative Patent Classification (CPC): F24F 1/0057; F24F 13/20; F24F 1/0007 (86) International application number: PCT/MY2020/050007 (87) International publication number: WO 2021/086167 (06.05.2021 Gazette 2021/18)

(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: 31.10.2019 MY PI2019006396 (71) Applicant: Panasonic Appliances Air-Conditioning Malaysia Sdn. Bhd. 40300 Shah Alam, Selangor Darul Ehsan (MY)	(72) Inventors: NG, Kim Guan Selangor Darul Ehsan 40300 (MY) TAN, Boon Hun Selangor Darul Ehsan 40300 (MY) CHEONG, Jee Hou Selangor Darul Ehsan 40300 (MY) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)