Patent ID: 8322320
Filing Date: 2012-12-04
Classification: F02P

Abstract:
1. In a four-stroke combustion engine, powered by ethyl alcohol, methyl alcohol and petrol, kerosene, benzol or benzene, that includes a cylinder having a combustion chamber and an axis, a cylinder head, a fuel injector and a suction valve, a laser ignition device that comprises: a pulse laser built-in on the cylinder head that emits a pulsed laser beam in the cylinder axis, close to the cylinder axis, or at an angle to the cylinder axis, the pulse laser comprising: a dumper fixed in the junction of the two arms and having a flat matted operation surface, wherein the flat matted operation surface comprises a diameter that is perpendicular to an axis of the pulsed laser beam, wherein the diameter of the flat matted operation surface is not less than double a diameter of the pulsed laser beam, wherein the dumper is made of tungsten, tantalum or platinum; and wherein in a front view, the two arms have an outline of slightly curved bows with a pass at the base for accommodating the dumper or an outline of an even-armed trapezoid; and a control-operation system comprising: