Patent ID: 7077102

Claim:
An inlet port induction system in an internal combustion engine, comprising (a) a cylinder head having at least one intake port communicating with at least one combustion chamber via a valve seat disposed about said intake port; (b) at least one intake valve provided with a valve head having a valve face engageable with said valve seat, said valve head being connected to an elongate valve stem that is mounted in said cylinder head for controlling the intermittent flow of a first and second fluid from said intake port to said combustion chamber; and (c) a first flow passage for conducting said first fluid; and (d) a second flow passage for conducting said second fluid; said first and second flow passages tangentially converging with said intake port about said valve stem at acute angles relative to the longitudinal axis of the valve stem and at least 120 degrees apart from each other at their point of convergence with said intake port, for initiating a balanced and complementary flow of said first and second fluids about the valve stem in a clockwise or counterclockwise direction towards said combustion chamber.