(19)
(11) EP 3 779 141 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
31.03.2021 Bulletin 2021/13

(43) Date of publication:
17.02.2021 Bulletin 2021/07

(21) Application number: 18914383.7

(22) Date of filing: 10.04.2018
(51) International Patent Classification (IPC): 
F02B 23/08(2006.01)
 F02B 23/10(2006.01)
(86) International application number:
PCT/IB2018/000681
(87) International publication number:
WO 2019/197860 (17.10.2019 Gazette 2019/42)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicants:
  • NISSAN MOTOR CO., LTD.
    Yokohama-shi, Kanagawa 221-0023 (JP)
  • RENAULT S.A.S.
    92100 Boulogne-Billancourt (FR)

(72) Inventors:
  • SUZUKI, Takuma
    Atsugi-shi Kanagawa 243-0123 (JP)
  • SHIRAISHI, Taisuke
    Atsugi-shi Kanagawa 243-0123 (JP)

(74) Representative: Hoefer & Partner Patentanwälte mbB 
Pilgersheimer Straße 20
81543 München
81543 München (DE)


(56) References cited: : 
   
       


    (54) COMBUSTION CHAMBER STRUCTURE OF INTERNAL COMBUSTION ENGINE


    (57) A combustion chamber structure for an internal combustion engine includes a recessed portion formed in a pent roof of a cylinder head on an upstream side of a tumble flow with respect to a spark plug.