Patent ID: 9328655
Filing Date: 2016-05-03
CPC Classification: F01N,F02B,F02M,Y02T

Claim Text:
1. A system comprising: a heat shield surrounding at least a part of an engine exhaust passage valve positioned in an engine exhaust passage of an engine; an air jet configured to direct compressed air into the heat shield, the heat shield configured to at least partially contain the compressed air around an exterior of the at least part of the engine exhaust passage valve; and an extended bracket coupled to the heat shield, the heat shield comprising a metal member bent around the at least part of the engine exhaust passage valve, the heat shield having a first open end to direct the compressed air into the heat shield and a second open end to direct the compressed air out of the heat shield, the air jet connected to the extended bracket and positioned, by the extended bracket, to direct the compressed air into the first open end of the heat shield.