High velocity air inlet with integrated petrol or natural gas injection for a combustion engine has shaped tube and jet flap to exceed the speed of sound

摘要

A mixture inlet part of an air inlet tube comprises a hollow body (1) and screwable cover having different cylindrical and conical sections and a jet flap (3) and turning shaft (7) in the inlet (5) to outlet (13) or diffuser (4) direction forming a de Laval jet. The speed of sound can be reached at the narrowest part and the velocity increased in the diffuser.