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In 1900, Gottlieb Daimler patented a Roots supercharger for a car's internal combustion engine. [7] In 1931, Roots Blower Company and Connersville Blower Company were bought by the International Derrick and Equipment Company to found Roots-Connersville Blower Company. The same year, the company began production of centrifugal compressors. [8]
An Eaton M62 Roots-type supercharger is visible at the front of this Ecotec LSJ engine in a 2006 Saturn Ion Red Line.. The Roots-type blower is simple and widely used. It can be more effective than alternative superchargers at developing positive intake manifold pressure (i.e., above atmospheric pressure) at low engine speeds, making it a popular choice for passenger automobile applications.
The Roots supercharger dates back to the 1860s, and this is the basis for the original Wade supercharger, but with patented modifications incorporated. The first patent of Costin and Densham deals with ways to achieve compression within the Roots-style blower. [ 2 ]
Suffixes are commonplace with Detroit Diesel model designations: "T" means the engine is equipped with turbochargers, "I" for intercoolers, and "B" for by-pass Roots-type blowers. For example, the 20V149 TIB has 20 cylinders in a V-type configuration, is a Series 149 engine, and is turbocharged, intercooled, and has by-pass blowers.
Most were supercharged by a Roots blower, but there were also variants with a turbocharger or naturally aspirated. [1] A later addition to the range was the SF65C model. This was a lower-rated version of the C range 6-cylinder engine and shared many of the advantages of the range's component rationalisation. It was available in naturally ...
An early example of a lobe pump is the Roots Blower, patented in 1860 [1] to blow combustion air to melt iron in blast furnaces, but now more commonly used as an engine supercharger. Lobe pumps are used in a variety of industries including pulp and paper, chemical, food, beverage, pharmaceutical, and biotechnology. They are popular in these ...
In common with similar, contemporaneous two-stroke diesel engines, including the Detroit Diesel Series 71 and EMD 567, the Series 53 does not use crankcase aspiration and cannot naturally draw in combustion air; the Series 53 engines are fitted with a gear-driven Roots blower mounted to the exterior of the engine, which is inherently necessary ...
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