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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.
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.
Joy Compressors were first introduced in 1955 when the Joy Manufacturing Company hired four engineers and set them up in an office over a hardware store in Western New York.
In March 2017, it was announced that Scott Safety, its safety gear business, would be bought by 3M for $2 billion. [17] On 1 September 2017, George Oliver was appointed as Chairman and CEO, an acceleration by 6 months from the original plans. [18] On 12 May 2021, Johnson Controls completed the acquisition of Silent-Aire. [19] (Silent-Aire was a ...
An animated simulation of an axial compressor. The static blades are the stators.. An axial compressor is a gas compressor that can continuously pressurize gases.It is a rotating, airfoil-based compressor in which the gas or working fluid principally flows parallel to the axis of rotation, or axially.
Turbinaria reniformis is a zooxanthellate coral. It lives in symbiosis with unicellular dinoflagellates known as zooxanthellae. These photosynthetic protists provide their host coral with nutrients and energy, but in order to benefit from this, the coral needs to live in relatively shallow water and in a brightly lit position.
Royal Samuel Copeland (November 7, 1868 – June 17, 1938), a United States Senator from New York from 1923 until 1938, was an academic, homeopathic physician, and politician. He held elected offices in both Michigan (as a Republican ) and New York (as a Democrat ).
Appalachian Spring is an American ballet created by the choreographer Martha Graham and the composer Aaron Copland, later arranged as an orchestral work.Commissioned by Elizabeth Sprague Coolidge, Copland composed the ballet music for Graham; the original choreography was by Graham, with costumes by Edythe Gilfond and sets by Isamu Noguchi.