Interconnection system of a urea-based reducing agent injector to an after-treatment an exhaust gas device
AssigneeFpt Industrial S.P.A.
InventorsMarco Federico PIDRIA, Luca VARGIU, Giuseppe INGHILTERRA, Gemma DAMIANI, Felice Carlo NUOVO, Andrea RENZULLO
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Abstract
System for interconnecting a urea-based reducing agent injector to an exhaust gas post-treatment device including an injector, a flange arranged to couple the injector to an exhaust gas line, a gasket arranged between the injector and the flange, wherein the gasket is a sandwich, formed by two external layers and an intermediate layer formed by insulating material.
Claims16
A system for interconnecting a urea-based reducing agent injector to an exhaust gas after a treatment device, wherein the system comprises
- one injector
- a flange arranged to couple a body of the injector to an exhausted gas duct and having a through opening designed to surround the injector,
- a gasket, in operating conditions, is arranged between the injector and the flange, wherein the gasket is a sandwich formed by a first and a third external layer and an intermediate layer formed with a solid insulating material and wherein the third layer, in contact with the flange, is shaped to confine an air volume surrounding the injector.
A gasket for an interconnection of a urea-based reducing agent injector and a flange for a connection to an exhaust gas duct, wherein the gasket is a sandwich formed by a first and a third external layer and a second intermediate layer, formed by an insulating material and wherein the third layer, in operating conditions, is arranged to contact the flange and is shaped to confine an air volume surrounding the injector.
Dependencies are inferred from the claim text.