screw compressor

screw compressor

[′skrü kəm′pres·ər]
(mechanical engineering)
A rotary-element gas compressor in which compression is accomplished between two intermeshing, counterrotating screws.
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Atlas Copco Z compressors are built using the knowledge Atlas Copco has gained since 1954 when the first oil free screw compressor was built.
The conical rotary compressor is a new type of screw compressor. Screw compressors are known to produce high pressure without vibration, and at very high efficiency.
Screw compressor service kits are a real source for a longer lifetime of the air compressor and fewer energy costs.
The screw supercharger is a typical application of the screw compressor, in which the difference between the exhaust ports (gas pressure within the element volume within the compression pressure) and the external pressure (exhaust pipes of gas pressure) causes the element volume and the exhaust hole to communicate, with instantaneous, constant volume gas expansion or compression.
[USPRwire, Fri Oct 23 2015] Screw Compressor Market by Type (Oil-Free, Oil-Injected), Stage (Single, Multi), Technology (Stationary, Portable), End-User (Chemical & Petrochemical, Food & Beverage, Mining & Metals, Oil & Gas, Automotive, Power Plant), & Region - Global Forecast to 2020
Mycom, based in Torrance, California, says that its new J-Series compressor has the lowest energy consumption of any screw compressor in its line, and is particularly well suited to low temperature freezing applications.
Haighs Bakery, based in Leeds, turned to Rastrick-based Boge Compressors Ltd to upgrade its compressed air system with a compact and highly-efficient screw compressor.
A number of the products manufactured at the Craigton site - Howden's global centre of excellence for screw compressor design and manufacture - are the biggest of their type in the world.
Sound levels are also low because of zero-vibration, even at start-up, and the elimination of the tonal problems typically found in screw compressor chillers, says Coolmation.
Kaeser's AirCenter line of packaged compressed air systems come complete with a Kaeser Sigma rotary screw compressor, refrigerated air dryer and optional fleer--all compactly mounted on a receiver tank.