Leybold has launched two compact rotary vane pumps – the SOGEVAC SV55 BI² and SV70 BI² – designed specifically for LC-MS and ...

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 ...

Wondering if rotary engines need oil changes? Learn how their lubrication works and why regular oil maintenance is still essential.

But aside from sealing, poppet valves don’t offer many advantages. Still, engineers kept pushing: better springs, VVT, and all kinds of breathing tricks: variable intake manifolds, forced induction, ...

The schematic for the project shows how to connect the rotary dial (salvaged from an old telephone) to both a 7-segment display and a collection of ten LEDs.

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.