At the end of the day, an internal combustion engine is just an air pump. Proper airflow in and out of the engine is thus ...

Static and Unchanging? Think Again! Editor’s Note: Pump and valve systems are everywhere in electric generating stations and are indispensable to plant operation. Although the basic technology for ...

Traditional sucker rod pumps (SRP) use a single traveling valve, but recent double traveling valve innovations have improved SRP performance and efficiency in field applications with double traveling ...

A heat pump functions as a typical air conditioning system in the cooling mode — absorbing heat from indoors and rejecting it outdoors. In heating mode, the coils reverse their functions. The outdoor ...