F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
F02F 1/42 (2006.01) F01L 1/46 (2006.01) F02B 19/04 (2006.01) F02B 23/08 (2006.01)
Patent
CA 2577712
In an internal combustion engine includes an intake valve port that opens into a combustion chamber on one side of a plane containing the axis of a cylinder bore. An exhaust valve port opens into the combustion chamber on the other side of the plane. A spark plug has a tip end that fronts a substantially central portion of the combustion chamber. The spark plug is disposed between the intake valve and the exhaust valve. In order to restrain the blow-by of an unburned fuel-air mixture, and to suppress the bulging of the cylinder head to the intake system side, the operation axis of an intake valve is set to be substantially parallel to the axis of the cylinder bore. In addition, one side surface of a cylinder head is formed to be substantially parallel to the axis of the cylinder bore.
L'invention concerne un orifice d'entrée de soupape d'admission dans la chambre de combustion d'un moteur à combustion interne qui s'ouvre sur un côté d'un plan contenant l'axe d'alésage. Un orifice d'échappement communique avec la chambre de combustion de l'autre côté du plan. Une bougie d'allumage est munie d'un embout qui recouvre sensiblement la partie centrale de la chambre de combustion. La bougie d'allumage est placée entre la soupape d'admission et la soupape d'échappement. Afin de restreindre les fuites des gaz du mélange imbrûlé d'air-essence et de supprimer le gonflement de la culasse du côté du système d'admission, l'axe de course d'une soupape d'admission est réglé pour être sensiblement parallèle à l'axe d'alésage. L'invention comporte, en outre, une paroi latérale de la culasse formée qui est sensiblement parallèle à l'axe d'alésage.
Dennison Associates
Honda Motor Co. Ltd.
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