Motor mit veränderlichem Verdichtungsverhältnis

摘要

PCT No. PCT/JP95/00341 Sec. 371 Date Sep. 6, 1996 Sec. 102(e) Date Sep. 6, 1996 PCT Filed Mar. 3, 1995 PCT Pub. No. WO95/24549 PCT Pub. Date Sep. 14, 1995The present invention is a variable compression ratio engine which can operate both in a Miller cycle and a normal cycle, and which can produce a high output, reduce the generation of NOx, and prevent the occurrence of knocking. For this purpose, the engine is provided with an exhaust gas recirculating device equipped with a first cam shaft (10), provided with cams (11, 12, 13) for operating an intake valve (2) and exhaust valves (4, 5), and a second cam shaft (20), provided with cams (21, 22) for operating at least one intake valve (3) and an exhaust valve (5) to thereby recirculate part of exhaust gas into intake gas.