(19)
(11) EP 2 108 798 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.04.2010 Bulletin 2010/16

(43) Date of publication A2:
14.10.2009 Bulletin 2009/42

(21) Application number: 08010958.0

(22) Date of filing: 17.06.2008
(51) International Patent Classification (IPC): 
F02B 75/28(2006.01)
 F01B 7/14(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 07.04.2008 IT mi20080597

(71) Applicant: Marchesi, Ernestino
27010 Valle Salimbene (PV) (IT)

(72) Inventor:
  • Marchesi, Ernestino
    27010 Valle Salimbene (PV) (IT)

(74) Representative: Cicogna, Franco 
Ufficio Internazionale Brevetti Dott.Prof. Franco Cicogna Via Visconti di Modrone, 14/A
20122 Milano
20122 Milano (IT)

   


(54) Abutting or opposite piston internal combustion engine for go-kart, motorcycle, motor vehicle, nautical and areonautical use


(57) The present invention relates to an internal combustion engine, in particular for go-karts, motorcycles, motorboats, airplanes, motor vehicles and the like, comprising an engine body defining a combustion chamber therein.
The main feature of the invention is that first and second opposite pistons, coupled to respective driving means are included in said combustion chamber, the first and second pistons being movable with respect to a middle portion of the combustion chamber where igniting spark plug means are arranged.
The engine further comprises fuel feeding and gas discharging means.







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