A turbo compressor for an internal combustion engine (M) having an air intake pipe and an exhaust pipe comprising: a first exhaust gas turbine (T1); an intake gas turbine (T3); a return gas turbine (T2); a return pipe ; a valve (V); a first compressor (C); and an intercooler (IC), wherein: the first exhaust gas turbine (T1) comprises a first intake in fluid communication with the exhaust pipe and a first discharge in fluid communication with an ambient environment, wherein the first exhaust gas turbine (T1) is rigidly attached to a first shaft, the intake gas turbine (T3) comprises a second intake in fluid communication with the air intake pipe and a second discharge in fluid communication with the internal combustion engine (M), wherein the intake gas turbine (T3) is rigidly attached to the first shaft, the return gas turbine (T2) comprises a third intake in fluid communication with the air intake pipe and a third discharge in fluid communication with the first compressor (C), wherein the return gas turbine (T2) is rigidly attached to the first shaft, the return pipe connects the third intake to the air intake pipe , the valve (V) connects the return pipe to the air intake pipe , the first compressor (C) comprises a fourth intake in fluid communication with the air intake pipe and a fifth intake in fluid communication with the third discharge, wherein the first compressor (C) is rigidly attached to the first shaft, the first compressor (C) comprises a fourth discharge in fluid communication with the intercooler (IC), the fourth discharge combines the air from the intake pipe and the third discharge from the return gas turbine (T2), the intercooler (IC) comprises a sixth intake in fluid communication with the fourth discharge and a fifth discharge , wherein the intercooler (IC) comprises a heat exchange surface between the sixth intake and the fifth discharge , and a temperature of air in the sixth intake is higher than a temperature of air at the fifth discharge, wherein the fifth discharge is in fluid communication with the second intake. the first exhaust gas turbine (T1) comprises a first intake in fluid communication with the exhaust pipe and a first discharge in fluid communication with an ambient environment, wherein the first exhaust gas turbine (T1) is rigidly attached to a first shaft, the intake gas turbine (T3) comprises a second intake in fluid communication with the air intake pipe and a second discharge in fluid communication with the internal combustion engine (M), wherein the intake gas turbine (T3) is rigidly attached to the first shaft, the return gas turbine (T2) comprises a third intake in fluid communication with the air intake pipe and a third discharge in fluid communication with the first compressor (C), wherein the return gas turbine (T2) is rigidly attached to the first shaft, the return pipe connects the third intake to the air intake pipe , the valve (V) connects the return pipe to the air intake pipe , the first compressor (C) comprises a fourth intake in fluid communication with the air intake pipe and a fifth intake in fluid communication with the third discharge, wherein the first compressor (C) is rigidly attached to the first shaft, the first compressor (C) comprises a fourth discharge in fluid communication with the intercooler (IC), the fourth discharge combines the air from the intake pipe and the third discharge from the return gas turbine (T2), the intercooler (IC) comprises a sixth intake in fluid communication with the fourth discharge and a fifth discharge , wherein the intercooler (IC) comprises a heat exchange surface between the sixth intake and the fifth discharge , and a temperature of air in the sixth intake is higher than a temperature of air at the fifth discharge, wherein the fifth discharge is in fluid communication with the second intake. <EOS>