Patent ID: 8671683
Filing Date: 2014-03-18
Classification: F02B,F02D,F02M,F16K

Abstract:
1. A series sequential turbocharger system being coupled to an engine, the turbocharger system comprising: a low pressure turbocharger having a low pressure compressor and a low pressure turbine, the low pressure compressor being rotatably coupled to the low pressure turbine, and the low pressure compressor being in fluid communication with an intake manifold of the engine, and the low pressure turbine being in fluid communication with an exhaust manifold of the engine; a high pressure turbocharger having a high pressure compressor and a high pressure turbine, the high pressure compressor being rotatably coupled to the high pressure turbine, the high pressure compressor being in fluid communication with the intake manifold of the engine, and the high pressure turbine being in fluid communication with the exhaust manifold of the engine; a butterfly valve for controlling a gas stream in the turbocharger system, the butterfly valve having: