System for achieving four-stroke cycle in an internal combustion engine with a single rotation of the crankshaft

摘要

PCT No. PCT/FR91/00069 Sec. 371 Date Aug. 5, 1992 Sec. 102(e) Date Aug. 5, 1992 PCT Filed Feb. 1, 1991 PCT Pub. No. WO91/12420 PCT Pub. Date Aug. 22, 1991.A system for achieving a four-stroke cycle with a single rotation of a crankshaft in an internal combustion engine having a crank, a crank pin freely rotatable in a slide block of a runner 40. The runner 40 pivots on a pin rigidly attached to the bottom of an engine casing. The runner also pivots on the end of a link arm. The link arm pivots on a pin of a piston moving in a cylinder along a predefined stroke.