This is another in a series of columns addressing advanced basics in the understanding of the refrigeration cycle. In this column and the next (on July 4), we look at components. This column will deal ...

The core of a refrigeration system is the compressor, which is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task the compressor raises the ...

Years ago, it was common for shops to have a central power source that drove all the tools through a system of belts, wheels and driveshafts. The power was routed around the work space by mechanical ...