Turbo-charged engine
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsTakahiro Nagura, Kazutoshi Suzuki
Life of this patent
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Abstract
A turbo-charged internal combustion engine having the cylinders communicating with exhaust passages that merge into common outlets that are disposed midway between the exhaust passages and which lie in a common plane. A cooling jacket encircles these exhaust passages and is divided by a wall into upper and lower portions.
Claims8
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 turbo-charger having a turbine inlet stage, a plurality of exhaust ports in said cylinder head for discharging exhaust gases from said combustion chambers, and a collector section comprised of a plurality of exhaust passages each extending substantially in a common plane from one of said exhaust ports to a common exhaust gas outlet lying within said plane and formed completely in said cylinder head, said exhaust gas outlet of said collector section lying substantially at the midpoint within said plane between said exhaust ports for maintaining substantially equal lengths for said exhaust passages and a short length therefor, said turbo-charger turbine inlet stage being in direct communication with said exhaust gas outlet.
Dependencies are inferred from the claim text.