(19)

(11)

EP 4 798 863 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24827483.9 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  F04D 17/02(2006.01) F25B 1/053(2006.01) F04D 17/12(2006.01) F25B 1/10(2006.01) (52) Cooperative Patent Classification (CPC): F04D 17/122; F04D 17/025; F04D 29/441; F25B 1/053; F25B 1/10 (86) International application number: PCT/US2024/057442 (87) International publication number: WO 2025/122388 (12.06.2025 Gazette 2025/24)

(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 Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 06.12.2023 US 202363606770 P (71) Applicant: Danfoss A/S 6430 Nordborg (DK)	(72) Inventors: YAN, Jin Tallahassee, Florida 32312 (US) WANG, Yintao Tallahassee, Florida 32312 (US) (74) Representative: Germain Maureau  12, rue Boileau 69006 Lyon 69006 Lyon (FR)