The problem: A piston-type reciprocating compressor has had valve damage, or the valves just are not sealing for some reason. This low-temperature refrigeration system has a thermostatic expansion ...

Many refrigeration compressors incorporate a suction service valve and a discharge service valve. These are used to allow refrigeration gauges to be attached to the system; and, if needed, they are ...

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 ...

Compressor efficiency might not sound like the most exciting topic in the world, but consider this: the hotter the world gets – and the wealthier its developing countries become – the more air ...

Automobiles and commercial vehicles originally sported naturally aspirated engines. Back in the 1920s, the Mercedes 6/25 PS and Mercedes 10/40 PS introduced the world of road-going cars to Roots-type ...