Portable, cordless air-compressors aren't exactly new, but they're often bulky, limited in scope and ugly. In response to these issues, a team of engineers and product designers from Hong Kong has ...

The Model-1101 compressor from Thomas Products Div. (formerly Rietschle Thomas), Sheboygan, Wis., uses a rolling diaphragm that combines the best features of both rotary and diaphragm pumps. The Model ...

High quality pump has a unique flexible and retractable air hose that is useful for filling a motorcycle tire. The dual-action Mini-Versair pump works up to 20% faster than single-action pumps.

Moving hydraulic fluid through a system requires either a pump or compressor. Both achieve this goal, but through different operating methods. Pumps have the ability to move liquids or gases.