Patent ID: 7140342
Filing Date: 2006-11-28
Classification: F01L

Abstract:
1. An internal combustion engine, comprising: a combustion chamber comprising: an intake orifice; an exhaust orifice; and a piston with an extension wall extending longitudinally beyond the top of said piston; and a rotary valve assembly situated on top of said combustion chamber comprising: wherein said inner intake cylindrical tube is adapted to rotate co-axially in relation with said outer intake cylindrical tube to allow air or fuel to enter into said combustion chamber through said outer intake apertures and said inner intake apertures during operation of said combustion chamber; wherein said inner exhaust cylindrical tube is adapted to rotate co-axially in relation with said outer exhaust cylindrical tube to allow exhaust to exit said combustion chamber through said outer exhaust apertures and said inner exhaust apertures during operation of said combustion chamber; wherein said outer intake apertures, said inner intake apertures, said outer exhaust apertures, and said inner exhaust apertures are aligned to coordinate with intake and exhaust cycles of operation of said piston in said combustion chamber.