Patent ID: 7950364
Filing Date: 2011-05-31
Classification: F02B,Y02T

Abstract:
1. A prechamber unit for a gas engine comprising an elongated body for placement in an upper part of an engine cylinder; a prechamber in a lower part of said body having an elongated cavity extending in an axial direction, said cavity being divided into at least two coaxially disposed cross-sectionally graduated cavities with a graduated shoulder between said graduated cavities for generating turbulence within said graduated cavities, an upper one of said graduated cavities being widest in the cross-sectional direction and a bottom one of said graduated cavities being narrowest in the cross-sectional direction; a prechamber gas valve in said body for delivering fuel gas into said upper one of said graduated cavities; an ignition means in said body disposed in side by side relation to said prechamber gas valve for igniting fuel gas in said upper one of said graduated cavities; and a plurality of nozzles communicating with said bottom one of said graduated cavities to expel ignited fuel therefrom to the engine cylinder.