Patent ID: 7363761

Claim:
A turbocharger for an internal combustion engine comprising: a turbine that includes a divided turbine housing; a first inlet port connected to a first volute that is formed in the turbine housing; a second inlet port connected to a second volute that is formed in the turbine housing; a center housing connected to the turbine housing; a compressor connected to the center housing; an exhaust throttle valve in fluid communication with the first inlet port, wherein the exhaust throttle valve is arranged to at least partially constrict a flow of exhaust gas from entering the first inlet port of the turbine and not constrict the flow of exhaust gas from entering the second inlet port; a first bypass passage that fluidly connects the first inlet port with an outlet of the turbine, and a first wastegate valve disposed in the first bypass passage; and a second bypass passage that fluidly connect the second inlet port with an outlet of the turbine, and a second wastegate valve, separate from said first wastegate valve, disposed in the second bypass passage.