Patent ID: 6019081
Filing Date: 2000-02-01
Classification: F02B,F02F,Y02T

Abstract:
A cooled pre-combustion chamber assembly for an internal combustion engine, comprising:a first body portion having a sparkplug receiving bore;a second body portion having a stepped bore disposed therein, said stepped bore having a counter bore portion, a threaded bore portion and a longitudinal axis, said second body portion being axially aligned with said sparkplug receiving bore;a third body portion having a pre-combustion chamber located within, said second body portion being located between said first and third body portions and said stepped bore being open to said sparkplug receiving bore and said combustion chamber; anda sparkplug cooling passageway disposed in said second body portion at a predetermined radial location spaced from and about the threaded bore portion, said sparkplug cooling passageway being adapted to pass cooling fluid flow in close proximity relative to the threaded bore portion.