Discover how Alpha-Otto's RevForce engine transforms two-stroke engines with a rotary valve, enhancing efficiency and reducing emissions.

Explore the captivating process of building a one-of-a-kind rotary valve engine, boasting cutting-edge intake and exhaust systems. Experience the hurdles and victories throughout the project ...

If the Avadi valve works as a parameter to predict that, there seems to be reason for hope. The previous one suffered from high temperatures and sealing issues (as the most popular rotary engines ...

Rotary valve systems are not a new concept, having been used extensively in the 1970s in 2-stroke engine configurations. They were later dropped in favor of reed valves.

Timing gears interlinking the rotors (if needed) may require grease, but the simple ring valves for throttling and partial-turn rotary EGR valve require no pressure lubrication.

Unlike piston engines, Rotary engines don’t require valves to run. Here’s how rotary engines work and why some designs have incorporated valves.

The rotary engine isn't found very often these days, but the engine has played its own important role in the history of the automobile.

If a person’s heart valves become damaged, they may benefit from having heart valve replacement surgery. Doctors may assess a person's suitability for the surgery. Learn more here.