Patent ID: 6513483
Filing Date: 2003-02-04
Classification: F02B,F02P,Y02T

Abstract:
A pre-combustion chamber assembly for an internal combustion engine, the pre-combustion chamber assembly comprising:an inner housing defining a pre-combustion chamber, the housing having a receiver for receiving a spark plug and an inlet for a fuel; a connector for securing the pre-combustion chamber in a spark plug well of the internal combustion engine, the connector comprising a port for connecting the pre-combustion chamber with a combustion chamber of the internal combustion engine; an outer housing having a first end and a second end and extending around the inner housing; and a chamber defined between the inner and outer housings; wherein the outer housing being releasably retained around the inner housing by a retainer, the retainer acting against the first end of the outer housing so as to allow relative movement between portions of the inner and outer housings while maintaining the integrity of the chamber, wherein the retainer is a retaining ring seated in a groove in the inner housing at the first end of the outer housing.