Add Yahoo as a preferred source to see more of our stories on Google. Automobiles were still in their relative infancy in 1905, but they had been growing more popular for years. There was a problem, ...

Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single-sleeve valve engine design in 1925. Believing this technology might replace poppet valves ...

Click to open image viewer. In 1925, Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single-sleeve valve engine design. Believing this technology ...

Gabriel Voisin was an aviation pioneer who progressed into the car business after the First World War using Knight-type sleeve-valve engines. Designed by American Charles Yale Knight yet perfected in ...

The sleeve valve engine is an intriguing alternative to the poppet valve engine, using a rotating or sliding sleeve to control the engine’s intake and exhaust. This design was popularized by luxury ...