Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

American publisher Charles Knight was not at all impressed with his new 1901 Knox ‘gasoline runabout’. Like some other cars of the era, its four-stroke engine relied on a single valve to permit both ...

Sleeve Valve Engine 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 ...

The Willys-Knight brought quiet sleeve-valve technology into the affordable price range. The Willys-Knight was a well-regarded medium-priced car built by Willys-Overland of Toledo, Ohio, and Toronto ...

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 ...

The Willys-Knight, built by Willys-Overland of Toledo, Ohio, from 1914 to 1932 is remembered for its ultra-quiet Knight sleeve-valve engine. Although it was also used in European luxury cars and the ...