Steam turbine technology took a leap in June as Siemens revealed a 10-MW prototype that uses magnetic force to suspend a rotor weighing several tons. The innovation means that instead of needing ...

Steam turbine assembly. Photograph courtesy of Alstom. Click here to enlarge image In 1884, Sir Charles Parsons invented and developed a multi-stage steam turbine and in 1891 he fitted it with a ...

Bearing selection looks at several key design metrics including anticipated loads, lifetime and reliability, ambient conditions, vibration, and cost. This information lets you choose between one of ...

This schematic shows a 12-MW, 9,500-rpm induction motor with oil-film bearings that drives an oil-pipeline pump. Like other high-speed machines, it has a specialty rotor, reinforced bearing housing, ...

Siemens (NYSE: SI) has delivered the first steam turbine (10-MW) that operates almost entirely without lubricants. The bearing systems consist of oil-free, air-cooled, and electromagnetic bearings; ...