TURBO CHARGE DIESEL-TYPE PISTON ENGINE AND METHOD FOR CONTROLLING SUCH AN ENGINE

摘要

A piston engine and a method for controlling a diesel-type piston engine comprising at least one combustion chamber formed by a cylinder, a movably arranged piston in each cylinder, which piston is connected to a crankshaft, an injection device designed to inject fuel directly into said combustion chamber and turbo system comprising a low pressure turbo and a high pressure turbo. The object of the invention is to provide a method and engine by which the thermal efficiency of the internal combustion can be increased, whilst the requirement relating to nitrogen oxide and soot particle emissions continue to be maintained.