Patent ID: 6354263
Filing Date: 2002-03-12
Classification: F02B,Y02T

Abstract:
An internal combustion engine comprising:an engine housing defining a main combustion chamber separated from a precombustion chamber by a flame communication passageway, and further defining a fuel supply passage with one end and an opposite end; a source of fuel fluidly connected to said opposite end of said fuel supply passage; a check valve, which includes a valve body with a valve seat and a valve member, positioned between said one end of said fuel supply passage and said precombustion chamber, and said valve member being movable between an open position and a closed position; said valve body and said valve member defining a relatively wide fluid passage that fluidly connects said fuel supply passage to said precombustion chamber when said valve member is in said open position; and said valve body and said valve member defining a relatively narrow stagnation region separating said valve seat from said precombustion chamber when said valve member is in said closed position.