| 摘要 |
<p>PURPOSE:To obtain optimum combustion condition of an engine by providing a blade angle adjusting unit on a supercharger, setting a desired combustion index, setting scavenging pressure with the set value at a rack position, setting a blade angle of a supercharger turbine by the scavenging pressure and an engine output and by correcting the blade angle properly. CONSTITUTION:Rotating number 11 of an engine 1, rack graduation 12, scaveng ing pressure 13 are detected by detectors 6, 5, 4 and a variable turbine blade senses a blade angle of a supercharger (VG supercharger). And these are converted to digital amount by A/D converters 101-105 and output L is calcu lated by an output calculator 110 by rotating number and the rack graduation. A combustion index is set by a setting unit 107 by instruction of a combustion control handle 3, and a set value Ps1 of scavenging pressure is set by a setting unit 108 from the rack graduation R1 and the combustion index C1 by a predeter mined function. A blade angle is set by the output and the output of the output calculator and compared with the present value of the blade angle, and added by correction to adjust 8 the blade angle.</p> |
