This is the first in a series of three articles covering the scroll compressor. This first article will cover the history of the scroll compressor along with the scroll compressor operation. The ...

Vacuum pumps and compressors from Air Squared Mfg., Broomfield, Colo. (airsquared.com), handle almost any gas, including oxygen, natural gas, helium, nitrogen, and radioactive materials, but not air.

[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 ...