Patent ID: 8671899
Filing Date: 2014-03-18
Classification: F01L

Abstract:
1. A rotary valve apparatus for an internal combustion engine, comprising: a cylindrical outer casing having an inlet port and an outlet port on an outer wall thereof, said cylindrical outer casing having a bottom opening and dimensioned configured to secure over an internal combustion engine cylinder; an inner rotor comprising a shaft having a first end and a second end, and a lower circular member attached to said second end, said first end having a plurality of vertical splines on an outer surface thereof, and said lower circular member having a cutout portion; a circular end cap having an inlet port and an outlet port and disposed within said bottom opening of said cylindrical outer casing, said inner rotor rotatably mounted on said circular end cap wherein said cutout portion can align with said inlet port or said outlet port as said inner rotor.