Rotary valves are one alternative. A spinning barrel with ports replaces the entire valve train. No springs, no float, fewer moving parts, smaller size, less weight, more efficiency, higher rpm.

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 ...

The valve manifold assembly is about 5 ft (1.5 m) long and weighs 1,000 lb (453.6 kg) and was installed in a pump room on Gerald R Ford-class aircraft carrier Enterprise (CVN 80), HII said in a ...

Huntington Ingalls Industries announced Tuesday that it has successfully used additive manufacturing for the first time to build a valve manifold assembly for a new construction aircraft carrier at ...

HII has announced that shipbuilders at its Newport News Shipbuilding (NNS) division have successfully installed the first valve manifold assembly created by 3D Printing (additive manufacturing) on ...

Bell Oil and Gas has unveiled its 50,000 metric tonnes integrated Oil Country Tubular Goods pipe threading, valve assembly, and composite pipes manufacturing facility, located at the Lekki Free ...

Discover the innovative rotary shifter assembly patented by Kongsberg Automotive ASA for seamless gear changes in vehicle transmissions. Learn about its unique features and safety mechanisms.

Either way, Avadi demonstrated a prototype some years back. The MA-250 engine was producing 15.8 hp (11.8 kW) at 3,700 rpm and 22.3 lb-ft (30.24 nm) at 3,500 rpm weighing a mere 23.6 lb (10.7 kg ...

The Wild Tomahawk Internal Combustion Turbine Engine Could Dramatically Chop Fuel Use and Emissions. Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver ...