(19)
(11) EP 4 390 105 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.09.2024 Bulletin 2024/39

(43) Date of publication A2:
26.06.2024 Bulletin 2024/26

(21) Application number: 24175211.2

(22) Date of filing: 08.03.2021
(51) International Patent Classification (IPC): 
F02F 1/10(2006.01)
(52) Cooperative Patent Classification (CPC):
F02F 1/10
(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

(30) Priority: 13.04.2020 CN 202010285138

(62) Application number of the earlier application in accordance with Art. 76 EPC:
21161301.3 / 3896271

(71) Applicant: Cummins Inc.
Columbus, IN 47201 (US)

(72) Inventor:
  • ZHOU, Xiling
    Wuhan, Hubei Province (CN)

(74) Representative: CSY Herts 
Helios Court 1 Bishop Square
Hatfield, Hertfordshire AL10 9NE
Hatfield, Hertfordshire AL10 9NE (GB)

   


(54) LINER COOLANT FLOW PILOT FEATURE


(57) The application relates to a liner coolant flow pilot feature. A coolant liner includes a first flow surface to direct coolant fluid toward the cylinder and a transition region coupled to the first flow surface. The transition region includes a convex portion having a first radius of curvature and a concave portion having a second radius of curvature. The concave portion is coupled to the convex portion at an inflection point. A second flow surface is coupled to the transition region to direct coolant fluid around the cylinder.







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