Patent ID: 9581079
Date: 2017-02-28
CPC Classifications: F02B,F02M,Y02T

Claim:
1. A two-stage turbocharger apparatus comprising: first and second passages having different cross-sectional areas, the first and second passages connected to an inlet end of a high-pressure turbine and configured to supply exhaust gas discharged from an exhaust manifold of an engine to the inlet end of the high-pressure turbine; third and fourth passages having different cross-sectional areas, the third and fourth passages connecting an outlet end of the high-pressure turbine to an inlet end of a low-pressure turbine; an Exhaust Gas Recirculation (EGR) valve, one end of which is connected to one of the first and second passages; and a bypass line having a first end connected to the other of the first and second passages, and a second end connected to one of the third and fourth passages.