Patent ID: 6412279
Filing Date: 2002-07-02
Classification: F02B,F02D,F02M,Y02T

Abstract:
An internal combustion engine, comprising:a plurality of combustion cylinders; a first exhaust manifold and a second exhaust manifold, each said first exhaust manifold and said second exhaust manifold coupled with a plurality of said combustion cylinders; at least one intake manifold, each said intake manifold coupled with a plurality of said combustion cylinders; a first turbocharger including a first turbine having at least one inlet and an outlet, and a first compressor having an inlet and an outlet, said at least one first turbine inlet having a fixed geometry and being fluidly coupled with said first exhaust manifold; and a second turbocharger including a second turbine having an inlet with a controllable, variable intake nozzle and having an outlet, and including a second compressor having an inlet and an outlet, said second turbine inlet fluidly coupled with said second exhaust manifold, said second compressor inlet fluidly coupled with said first compressor outlet.