Patent ID: 6502398
Filing Date: 2003-01-07
Classification: F01D,F02B,F02C,F02G,Y02T

Abstract:
An exhaust power recovery system for an internal combustion engine, having an engine shaft, said exhaust power recovery system comprising:A) a hydraulic fluid system comprising a hydraulic fluid circulating in said hydraulic fluid system, B) a turbocharger configured to turbocharge said engine, said turbocharger comprising a first gas turbine driven by exhaust gas from said engine and a turbocharger compressor driven by said first gas turbine, C) a hydraulic turbine driven supercharger system comprising a first hydraulic fluid pump driven by said engine shaft for pressurizing a first portion of said hydraulic fluid, a high speed hydraulic turbine driven by said first hydraulic fluid pump and a supercharger compressor driven by said high speed hydraulic turbine, said supercharger system being configured to supercharge said engine, D) a second gas turbine driven by exhaust gas from said engine, E) a second hydraulic pump for pressurizing a second portion of said hydraulic fluid, said second hydraulic pump being driven through a gear box by said second gas turbine, F) a hydraulic motor driven by said second hydraulic fluid pump, said hydraulic motor being configured to transmit power to said engine shaft.