(19)
(11) EP 4 544 184 A1

(12)

(43) Date of publication:
30.04.2025 Bulletin 2025/18

(21) Application number: 23733113.7

(22) Date of filing: 23.05.2023
(51) International Patent Classification (IPC): 
F04B 39/00(2006.01)
F04D 29/66(2006.01)
(52) Cooperative Patent Classification (CPC):
F04B 39/0061; F04B 39/0066; F04D 29/665
(86) International application number:
PCT/US2023/023194
(87) International publication number:
WO 2024/005993 (04.01.2024 Gazette 2024/01)
(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:
KH MA MD TN

(30) Priority: 27.06.2022 US 202263356020 P

(71) Applicant: Danfoss A/S
6430 Nordborg (DK)

(72) Inventors:
  • YAN, Jin
    Tallahassee, Florida 32312 (US)
  • FAGUNDES, Tadeu Mendonca
    Tallahassee, Florida 32304 (US)
  • SUN, Lin Xiang
    Tallahassee, Florida 32312 (US)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)

   


(54) MUFFLERS FOR REFRIGERANT COMPRESSORS