METHOD OF ADJUSTING MECHANICAL COMPRESSION RATIO AND ACTUAL COMPRESSION RATIO START POINT (VERSIONS)

摘要

FIELD: engines and pumps. ^ SUBSTANCE: internal combustion engine incorporates mechanism to vary compression ration and mechanism to vary actual compression ratio start point. Mechanical compression ratio is set to maximum so that compression ratio equals or exceeds 20 in engine operation at low load, while actual compression ratio in engine operation at low load is set at the level of actual compression ratio, in fact, equal to that in engine operation at high load. ^ EFFECT: increased thermal efficiency.