Turbocharged engine

Claim 1

A turbo-charger arrangement for an internal combustion engine having a plurality of combustion chambers defined at least in part by a cylinder head, a plurality of exhaust ports in said cylinder head for discharging exhaust gases from said combustion chambers, a pair of collector sections each comprised of a plurality of exhaust passages each extending substantially in a common plane from a respective one of said exhaust ports to a common exhaust gas outlet lying within said plane, said exhaust gas outlets of said collector sections lying on the same side of said cylinder head and substantially at the midpoint within said plane between the exhaust ports served by the respective collector section for maintaining substantially equal lengths for said exhaust passages and a short length therefor, a pair of turbo-chargers each having a turbine inlet stage in direct communication with a respective one of said exhaust gas outlets, the turbine stages of said turbo-chargers being positioned adjacent each other and the compressor stages of said turbo-chargers being positioned adjacent the respective ends of the engine, and said turbo-charger turbine stages having facing, axially extending exhaust gas discharges, and a common exhaust pipe extending between said exhaust gas discharges for receiving the exhaust gases from each of said exhaust gas discharges and discharging said exhaust gases to the atmosphere through a common outlet.