Patent ID: 9181856
Filing Date: 2015-11-10
Classification: F01N,F02B,F02M,Y02T

Abstract:
1. A product comprising an air intake side constructed and arranged to deliver air to a combustion engine, an exhaust side constructed and arranged to expel combustion gases produced by the engine; the air intake side comprises a first air conduit wherein the first air conduit is defined as a length of pipe from an air intake to an intake manifold, the exhaust side comprises a primary exhaust gas conduit wherein the primary exhaust conduit is defined as a length of pipe from an exhaust manifold to an open end for discharging exhaust gas to the atmosphere, a first turbocharger comprising a first turbine in fluid communication with the primary exhaust conduit and a first compressor in fluid communication with the first air conduit, a second exhaust conduit connected to the primary exhaust conduit at a first end and connected to the primary exhaust conduit at a second end, a second air conduit having an air-receiving end and a second end connected to the primary exhaust conduit, the second end of the second air conduit connected to the primary exhaust conduit downstream from the first turbine, an exhaust driven air pump comprising a second turbine in fluid communication with the second exhaust conduit and a second compressor in fluid communication with the air receiving end of the second air conduit arranged upstream of an air intake of the first compressor to compress the air in the second air conduit into the primary exhaust conduit.