(19)
(11) EP 4 824 494 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24824665.4

(22) Date of filing: 10.12.2024
(51) International Patent Classification (IPC): 
F28F 1/06(2006.01)
(52) Cooperative Patent Classification (CPC):
F28F 1/025; F28F 1/006; H02K 9/19; F28F 1/06; H02K 1/20
(86) International application number:
PCT/US2024/057615
(87) International publication number:
WO 2025/128330 (19.06.2025 Gazette 2025/25)
(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: 15.12.2023 US 202363610587 P

(71) Applicant: Parker-Hannifin Corporation
Cleveland, OH 44124-4141 (US)

(72) Inventors:
  • BLOMBERG, John, P.
    Cleveland, OH 44124 (US)
  • HUARD, Steven, R.
    Cleveland, OH 44124 (US)
  • DOBMEIER, Joseph, L.
    Cleveland, OH 44124 (US)

(74) Representative: Murgitroyd & Company 
165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)

   


(54) COOLING TUBE WITH TURBULENCE AND SPIN GENERATING FEATURES