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Animation of a spinning scroll compressor. Léon Creux first patented a scroll compressor in 1905 in France and the US. [2] Creux invented the compressor as a rotary steam engine concept, but the metal casting technology of the period was not sufficiently advanced to construct a working prototype, since a scroll compressor demands very tight tolerances to function effectively.
In 1991, Robert Shaffer founded Air Squared Inc. in Cincinnati, Ohio [1] to license oil-free scroll compressors for medical device applications. [2] Air Squared's first patent was awarded in 1997 titled Scroll compressor having a tip seal. [3] In 2001, Air Squared Manufacturing Inc. was formed in Broomfield, Colorado. Operations were ...
Consequently, air treatment identical to that used for an oil-flooded screw compressor is frequently required to ensure quality compressed air. In small piston compressors carpenters homeowners sometimes use "oil free" compressors in which oil free is a reference to not using oil but Teflon type of coatings permanently adhered to wear surfaces.
A scroll compressor, ... may be oil-free when using air or magnetic bearings which increases the heat transfer coefficient in evaporators and condensers, weigh up to ...
In 1960, the Joy facility was transformed into a full-fledged manufacturing factory focused on producing integrally geared centrifugal air compressors which produced oil free air flow. The 1970s saw Joy compressors grow in the US domestic market with much focus on engineered custom compressors for refineries and air separation.
The scroll-type supercharger is a scroll compressor used as a positive displacement orbiting-spiral supercharger. It is a compromise between the more rugged rotating lobe, and the more efficient sliding vane type superchargers, and is considered to offer the highest potential in regard to efficiency, noise and pressure fluctuation.
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