Retaining apparatus for fuel injector in internal combustion engine

摘要

A retaining apparatus for a fuel injector in an internal combustion engine includes a main fuel delivery pipe, an auxiliary fuel delivery pipe branched off from the main fuel delivery pipe, a fuel injector airtightly inserted in the auxiliary fuel delivery pipe via a sealing member and being provided with a fuel from the main fuel delivery pipe through the auxiliary fuel delivery pipe. A retaining member rotatably retains the fuel injector on the auxiliary fuel delivery pipe and is slidably mounted on the main fuel delivery pipe.