Patent ID: 6176082
Filing Date: 2001-01-23
Classification: F01N,F02B,Y02T

Abstract:
An exhaust manifold cooling assembly for an internal combustion engine, comprising:a turbocharger having a turbine section, said turbine section having an inlet end and an outlet end;an exhaust manifold having an exhaust inlet portion and an exhaust outlet portion, said exhaust inlet portion being connected to the engine and said exhaust outlet portion being connected to the inlet end of the turbine section, and said exhaust manifold passing heated exhaust gas from the engine to said inlet end of the turbine section;a heat exchanger having an inlet end and an outlet end, said inlet end being connected to the outlet end of the turbocharger, and said heat exchanger being adapted to cool heated exhaust gas being passed from the outlet end of the turbine section; andan outer shell having an inlet portion and an outlet portion, said outer shell defining a cooling spaced passageway being disposed about and generally surrounding said exhaust manifold, said inlet portion of said outer shell being connected to the outlet end of the heat exchanger and said outlet portion being connected to an opening, and said outer shell passing cooled exhaust gas from the outlet end of the heat exchanger to said opening.