Often, compressors in the refrigeration and air conditioning fields have forced oiling systems. These compressors are usually over 5 horsepower (hp). They contain an oil pump located at the end of the ...

Many larger refrigeration and air conditioning compressors — usually over 5 horsepower — have forced oiling systems. These compressors contain an oil pump located at the end of the compressor’s ...

Recent advances in the study of refrigerant and lubricant oil solubility have significantly enhanced our understanding of the interactions between low molecular weight refrigerant molecules and the ...

With its transformer oil pump of type Renzmann-PR 200, Kelvion offers an internationally unique combination: it combines long-life, maintenance-free sleeve bearings with a lightweight cast-aluminum ...

Robinair has released its new 17800C multi-refrigerant machine designed to recover, recycle, evacuate, and charge many different refrigerants and systems, all in one fast and continuous operation ...

In-house developed magnetic bearing compressor, by eliminating the lubrication oil system, enables reduction of maintenance work- Uses of 'HFO-1233zd(E)' refrigerant, achieving both greener environmen ...

Researchers in China developed a large-scale PV-thermal heat pump system using a liquid overfeed method that reportedly improves both thermal and electrical efficiency. Field tests showed up to a 4.81 ...