Part-load efficiency is rapidly becoming the most important measure of energy efficiency in chiller units. Around the world, new environmental standards are increasingly based on a combined part-load ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

Fans are often used to ventilate agricultural buildings. Adjoining rooms with connecting air paths through open doors or manure channels can operate as a single room with a common negative pressure.

A new variable-speed fan drive system with gearbox from Horton and Hub City provides more efficient cooling for rear-engine buses and motor coaches with side-mounted cooling modules, Horton has ...

N C Machinery is a venerated, Anchorage-based company. Its Power Systems Division supplies and services rental generator sets, primarily to Washington and Alaska. It maintains 18 support facilities in ...

Designed for high-pressure applications, such as CNCs and edgebanders, Oneida Air’s Smart Boost dust collectors combine variable speed fan motors with the separation performance of a cyclone. Powered ...

These AC drives adjust motor speed to the required flow of air or fluids, reducing energy costs by 50 percent. Both the Alivar 212 and S-Flex feature electronic motor controls that reduce mechanical ...

The Super Vac VR3 is a variable speed, electric, positive pressure fan evolved from the popular VR2 model. The VR3 is the only variable speed fan in the industry that will run on any 15 amp GFCI ...

When implementing cooling solutions for electronic equipment, system designers are confronted with a complex set of variables. The cooling requirements are typically dynamic, and ambient temperatures ...

Fan operation can significantly affect fuel economy. BorgWarner this year started offering its electronic Visctronic viscous variable-speed fan drives as optional equipment for Freightliner Cascadia ...