twin swirl combustion chamber

Definition

Cars & Driving

  • noun a special design of a four-stroke engine, in which the intake valves are arranged in such a way as to ensure that the gas flow ends in two separate swirls; this design improves swirl and thus enhances combustion of the fuel/air mixture within the cylinder
http://www.dictionarycentral.com/definition/twin-swirl-combustion-chamber.html