(19)
(11) EP 3 192 994 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.08.2017 Bulletin 2017/33

(43) Date of publication A2:
19.07.2017 Bulletin 2017/29

(21) Application number: 16204988.6

(22) Date of filing: 19.12.2016
(51) International Patent Classification (IPC): 
F02B 77/04(2006.01)
F02F 3/28(2006.01)
 F02B 23/00(2006.01)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 15.01.2016 GB 201600792

(71) Applicant: Caterpillar Energy Solutions GmbH
68167 Mannheim (DE)

(72) Inventors:
  • Snuis, Hans-Bernhard
    68723 Plankstadt (DE)
  • Schelle, Jörg
    68167 Mannheim (DE)

(74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB 
European Patent Attorneys Landsberger Strasse 300
80687 München
80687 München (DE)

   


(54) TURBULATORS FOR AN INTERNAL COMBUSTION ENGINE


(57) A coke scraper ring (18) for placement proximate to a top dead center (24) in a cylinder (13) of an internal combustion engine (10) is disclosed. The coke scraper ring (18) includes an inner surface (34) configured to face a fuel-air mixture. A plurality of turbulators (20) are formed on the inner surface (34) for inducing turbulence in the fuel-air mixture.







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