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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 1902, CPT also took over the Franklin Air Compressor Company which had been producing air hoists. The Franklin plant went onto produce Little Giant trucks (1911-1917), portable compressors, electrical powerplants, and drill rigs. 1916 ad for Chicago Pneumatic Little Giant truck. 1904 was the year of expansion for CP.
The acquisition of the Belgian compressor company Arpic Engineering in 1956, was the firm's first major international acquisition. Eventually, Arpic's plants carried out the majority of Atlas Copco's compressor production. In 1960, the company purchased Craelius.
An air compressor is a specific type of gas compressor. Many compressors can be staged, that is, the gas is compressed several times in steps or stages, to increase discharge pressure. Often, the second stage is physically smaller than the primary stage, to accommodate the already compressed gas without reducing its pressure.
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The simplest inlet to a centrifugal compressor is typically a simple pipe. Depending upon its use/application inlets can be very complex. They may include other components such as an inlet throttle valve, a shrouded port, an annular duct (see Figure 1.1), a bifurcated duct, stationary guide vanes/airfoils used to straight or swirl flow (see Figure 1.1), movable guide vanes (used to vary pre ...