Patent ID: 9303720
Filing Date: 2016-04-05
CPC Classification: F01B,F01L,F01P,F02B,F16F

Claim Text:
1. A “V” internal combustion engine comprising: a crankshaft; camshafts that activate intake and exhaust valves; an auxiliary shaft, which rotates in an opposite direction with respect to the crankshaft and is unbalanced so as to act as balancing countershaft; and a first mechanical transmission, which receives the motion from the crankshaft and controls the timing by causing the rotation of the camshafts, and causes the rotation of the auxiliary shaft; wherein the first mechanical transmission comprises: a first wheel, which is rigidly fixed to the crankshaft; a second wheel, which is rigidly fixed to the auxiliary shaft; a third wheel, which is coupled to a first head and transmits the movement to corresponding camshafts of the first head; and a first flexible transmission element, which is closed in a ring shape and is wound around the first wheel, the second wheel and the third wheel; wherein the first mechanical transmission further comprises a second mechanical transmission which receives the movement from the second wheel rigidly fixed to the auxiliary shaft and transmits the movement to corresponding camshafts of a second head opposite to the first head.