A BUTTERFLY VALVE OF A SWIRL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

摘要

A butterfly valve (15) of a swirl system (14) for an internal combustion engine (1); the butterfly valve (15) displays: a shaft (18) which is rotationally mounted within an intake channel (10) to rotate about a rotation axis (22); and a butterfly valve plate (20) which is rigidly connected to the shaft (18) and is provided with a seat (23), which is coaxially arranged with respect to the shaft (18) and accommodates the shaft (18) within itself.