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(11)

EP 4 770 423 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 25739709.1 (22) Date of filing: 04.07.2025

(51) International Patent Classification (IPC):  A01G 20/47(2018.01) E01H 1/08(2006.01) F04D 25/06(2006.01) A47L 5/14(2006.01) A45F 3/08(2006.01) (52) Cooperative Patent Classification (CPC): A01G 20/47; E01H 1/0809; A45F 3/08; F04D 25/0673; F04D 25/084; F04D 29/522; A45F 5/1575 (86) International application number: PCT/CN2025/106995 (87) International publication number: WO 2026/108195 (28.05.2026 Gazette 2026/22)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 20.11.2024 CN 202411666426 (71) Applicant: Zhejiang Sunseeker Industrial Co., Ltd. Jinhua, Zhejiang 321000 (CN)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Cleanthous, Marinos  IOANNIDES CLEANTHOUS AND CO LLC 4 Prometheus Street, 3rd floor 1065 Nicosia 1065 Nicosia (CY)