Patent ID: 7234424

Claim:
A variable stroke-characteristic engine for a vehicle, comprising: a first link connected to a piston; a second link connected to the first link and a crankshaft; a third link connected at a first end to one of the first link and the second link and movably supported at a second end on an engine block through a control shaft; and an actuator for driving the control shaft, wherein the third link and the control shaft are disposed on a front side of a vehicle body with respect to the crankshaft, wherein the actuator is connected to an end of the control shaft, and is disposed on an outer surface of the engine block on the front side of the vehicle body, and wherein a hydraulic pressure supply device for supplying a working oil to the actuator is disposed on a front portion of the vehicle body opposite to the actuator, wherein the actuator is spaced apart from the engine block.