Patent ID: 6708667
Filing Date: 2004-03-23
Classification: F02B,F02F,Y02T

Abstract:
An internal combustion engine and combustion chamber therefore comprising a cylinder bore having an axis, a cylinder head closing one end of said cylinder bore and a piston reciprocating in said cylinder bore, a head of said piston having a generally circular recess formed therein when viewed toward the direction of said axis of said cylinder bore, a fuel injector having a nozzle opening for injecting fuel directly into said combustion chamber, an arrangement for causing the fuel flowing from said fuel injector nozzle opening to pass in a circular swirling direction around said as of said cylinder bore and within said piston head recess, a spark plug disposed on a side of said piston head recess diametrically opposite to said fuel injector nozzle opening, said piston head recess having a lower surface thereof inclined to said cylinder bore axis and to a diametric line extending between said fuel injector nozzle opening and said spark plug so as to be deeper on one side of said diametric line than on the other side of said diametric line, said arrangement for effecting the flow or fuel in the circular swirling direction causing the fuel to first flow into the deeper side of said piston head recess.