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EP 3 824 186 A1

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(43) Date of publication: 26.05.2021 Bulletin 2021/21 (21) Application number: 19864598.8 (22) Date of filing: 26.09.2019

(51) International Patent Classification (IPC):  F04C 18/02(2006.01) F04C 29/12(2006.01) F04C 29/00(2006.01) (86) International application number: PCT/KR2019/012532 (87) International publication number: WO 2020/067739 (02.04.2020 Gazette 2020/14)

(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: 28.09.2018 JP 2018183776 08.01.2019 JP 2019001138 10.09.2019 KR 20190112190 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si 16677 (KR)	(72) Inventors: UEKAWA, Takashi Yokohama-shi, Kanagawa 230--0027 (JP) CHO, Yang Hee Suwon-si Gyeonggi-do 16677 (KR) (74) Representative: Walaski, Jan Filip  Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)