Valve apparatus for internal combustion engine

Valve device for an internal combustion engine

Valve seal assembly for rotary valve engine

Valve seal for rotary valve engine

Valve seal for rotary valve engine

Valve stem seal assembly with locator system

Valve stem seal with pads and tangs

Valve timing mechanism for a rotary valve internal...

Valves

Valves for a duct, and two-stroke combustion engine incorporatin

Variable duration rotary valve

Variable intake and exhaust engine

Variable roller valve system for internal combustion engine

Variable roller valve system for internal combustion engine

Variable timing rotary valve for an internal combustion engine