Patent ID: 6016785
Filing Date: 2000-01-25
Classification: F02B,Y02T,Y10T

Abstract:
A pre-combustion chamber assembly for an internal combustion engine, comprising:a first body portion having first and second spaced ends and a sparkplug receiving bore disposed therethrough and opening at said first and second ends, said sparkplug receiving bore being adapted to receive a sparkplug;a second body portion having first and second spaced ends and a stepped bore disposed in and opening at the first and second ends of the second body portion, said stepped bore having a threaded bore portion, said threaded bore portion being adapted to screwthreadably receive a sparkplug;a third body portion having a first end, a dome end portion spaced from said first end, and a pre-combustion chamber disposed in and opening at the first end of said third body, said dome end having a plurality of spaced apart orifices disposed therethrough and opening into said pre-combustion chamber;said second end of the first body portion being connected to the first end of the second body portion by a brazing material and said second end of the second body portion being connected to the first end of the third body portion by a controlled depth penetration weld.