Adjustable segmented rotary twin port valve shaft

Air intake apparatus for internal combustion engine

Anti-corrosive polymeric coating

Anti-pollution piston construction

Arrangements to rotary valves for engines compressors, motors or

Automatic variator of valve overlap and valve section

Camshaft controller, in particular for use in an induction manif

Carbon fiber reinforced carbon composite rotary valves for inter

Combustion chamber for compact engine of the side valve type for

Combustion chamber of an internal combustion engine

Combustion chamber structure for a spark ignition engine

Connecting arrangement in valve operating system for internal co

Cooling mechanisms for rotary valve cylinder engines

Cyclo-valve for internal combustion engines

Cylinder head

Cylinder head construction

Cylinder head for internal combustion engine

Device for controlling a gas circuit of a combustion chamber and

Device for controlling the combustion chambers exhaust and/or in

Direct port rotary valve mechanism with variable timing for...