Internal combustion engine, a variation of the active volume of at least one cylinder, in particular for motor vehicle.

摘要

The present invention relates to an internal combustion engine with a double crankshaft, in particular for motor vehicle, comprising at least one cylinder (10), a piston (12) sliding in the cylinder and connected to two crankshafts (14a, 14b) rotating about an axis (16a, 16b) by a connecting rod (18) with at least three connecting rods (20, 24, 28). According to the invention, the engine comprises means for locking in rotation (38a, 38b) of one or other of the crankshafts (14a, 14b).