NOZZLE COMBUSTION SHIELD AND SEALING MEMBER WITH IMPROVED HEAT TRANSFER CAPABILITIES

摘要

An injector combustion shield assembly comprising a combustion shield including a first portion and a second portion, the first portion positionable around a body of a fuel injector and the second portion positionable around a nozzle element of the fuel injector; a first sealing member positionable intermediate the nozzle element and the combustion shield; a second sealing member positionable intermediate an annular wall of a nozzle receiving bore and the combustion shield; and wherein the first portion of the combustion shield includes a surface structured to contact the body of the fuel injector and contact an annular wall of an injector receiving bore when the combustion shield is positioned within the injector receiving bore such that heat is conducted to lower temperature parts of the injector receiving bore.