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In 1954, Howden and SRM jointly developed the first oil flooded screw compressor. Flooding provided both cooling, which allowed higher pressure ratios, and the elimination of timing gears. The first commercially available flooded screw air compressor was introduced in 1957 by Atlas Copco. [4] [5]
In 1970, the CP611 impact wrench was used in the steel erection phase of the World Trade Centers (New York City). Sold for several years into industrial markets, CP torque impact wrenches were introduced in the 1970s into the automotive market. In 1987, Chicago Pneumatic became part of the Swedish conglomerate Atlas Copco. During 1988, more new ...
Atlas Copco companies develop, manufacture, service, and rent industrial tools, air compressors (of which it is the world's leading producer), [8] construction and assembly systems. The Group operates in four areas: Compressor Technology, Vacuum Technology, Power Technology and Industrial Technology.
Model XASS from Atlas Copco circa 1985. Natural gas compressor at a gas well High pressure reciprocating compressor from Belliss and Morcom, used in the bottling industry. A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor.
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 ...
Compressed-air engines were used in trams and shunters, and eventually found a successful niche in mining locomotives, although in the end they were replaced by electric trains, underground. [14] Over the years designs increased in complexity, resulting in a triple expansion engine with air-to-air reheaters between each stage. [ 15 ]