The report 'Control Valve Market by Material (Stainless Steel, Cast Iron, Cryogenic, Alloy Based), Component(Actuators, Valve ...

Term Reliability Bethlehem, PA – Warren Controls, a manufacturer of control valves and specialty fluid handling products, ...

When an electric utility with a power plant in the southwestern U.S. prepared for a planned, major outage on its two Siemens ...

Taking advantage of the superiority of valve controlled electro-hydraulic excitation system with wide vibration frequency and adjustable amplitude, a rotary valve controlled electro-hydraulic ...

For improving the vibration waveform amplitude and controlling the vertical shift flexibly, a novel structure for waveform control of twin rotary flowrate valve controlled vibration exciter is ...

In short, yes, a Wankel rotary does, in fact, need oil changes, and they typically need them more frequently than the average car.

Today in old school nostalgia our tipster [Clint Jay] wrote in to let us know about this rotary dial. If you’re a young whippersnapper you might never have seen a rotary dial. These things we… ...

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.

The rotary engine is easily one of the most controversial automotive engines. There's a pretty interesting explanation for the brap-brap sound they make.