A new radial compressor from Dynaflo Inc., Birdsboro, Pa. (www.dynaflopumps.com), overcomes many of the pitfalls of diaphragm-type vacuum pumps and compressors — including flow pulsation, noise, ...

[Editor’s note: This is the second of three columns covering the scroll compressor. The first article, “The Scroll Compressor - A History,” Sept. 1, covered the history of the scroll compressor along ...

German researcher Otto Lutz introduced the swing-piston concept about 1923. Intended primarily as a high pressure compressor or gas generator for relatively high power gas turbine engines for ...

More efficient scroll compressors may be about to break into food processing, medical systems, and other ultra-clean applications, thanks to the development of new oil-free, "floating scroll" ...