Waste heat recovery system of engine

Abstract

A waste heat recovery system of an engine is provided. The waste heat recovery system includes an inlet member adapted to introduce exhaust gases in the aftertreatment system, and an outlet member adapted to receive the exhaust gases from the Selective Catalytic Reduction module. The outlet member includes a first surface defining a passage, and a second surface coupled with a power generation module. The power generation module includes a plurality of power generating units having a first lead and a second lead. The power generating units are adapted to generate electric power based on a temperature gradient between the first and second lead. At least one of the first lead and the second lead is exposed to the exhaust gases. An electric load is coupled with the plurality of power generating units for utilizing the power generated by the plurality of power generating units.

What is claimed is: 
     
         1 . A waste heat recovery system of an engine having an aftertreatment system, the waste heat recovery system comprising:
 an inlet member adapted to introduce exhaust gases in the aftertreatment system;   a Selective Catalytic Reduction (SCR) module in fluid communication and attached downstream to the inlet member; and   an outlet member adapted to receive the exhaust gases from the SCR module and attached downstream of the SCR module, the outlet member including:
 a first surface defining a passage for flow of the exhaust gases therethrough; and 
 a second surface coupled with a power generation module, the power generation module including a plurality of power generating units, the plurality of power generating units having a first lead and second lead, the plurality of power generating units adapted to generate electric power based on a temperature gradient between the first lead and the second lead, 
 wherein at least one of the first lead and the second lead is exposed to the exhaust gases flowing through the passage; 
 wherein an electric load is coupled with the plurality of power generating units, the electric load adapted to utilize the power generated by the plurality of power generating units.