For other uses, see Supercharger (disambiguation).
A supercharger (item 6) on a piston engineRoots-type supercharger (right) on a 2006 GM Ecotec LSJ four-cylinder engine
In an internal combustion engine, a supercharger compresses the intake gas, forcing more air into the engine in order to produce more power for a given displacement.
The current categorisation is that a supercharger is a form of forced induction that is mechanically powered (usually by a belt from the engine's crankshaft), as opposed to a turbocharger, which is powered by the kinetic energy of the exhaust gases.[1] However, up until the mid-20th century, a turbocharger was called a "turbosupercharger" and was considered a type of supercharger.[2]
The first supercharged engine was built in 1878,[3] with usage in aircraft engines beginning in the 1910s and usage in car engines beginning in the 1920s. In piston engines used by aircraft, supercharging was often used to compensate for the lower air density at high altitudes. Supercharging is less commonly used in the 21st century, as manufacturers have shifted to turbochargers to reduce fuel consumption and increase power outputs.
^Automotive handbook (6th ed.). Stuttgart: Robert Bosch. 2004. p. 528. ISBN 0-8376-1243-8. Retrieved 2022-06-06.
^"The Turbosupercharger and the Airplane Power Plant". Rwebs.net. 1943-12-30. Retrieved 2010-08-03.
^Ian McNeil, ed. (1990). Encyclopedia of the History of Technology. London: Routledge. p. 315. ISBN 0-203-19211-7.
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combination of an exhaust-driven turbocharger and a mechanically driven supercharger, each mitigating the weaknesses of the other. Twincharging does not refer...
connectors. After initial testing allowing non-Tesla EVs to use Tesla Supercharger stations in Europe in December 2019, Tesla began to test a proprietary...
the motor inside a turbocharger, while others use a separate electric supercharger. BorgWarner tested the idea in the 1990s, but never produced a part for...
pressure and does not have forced induction through a turbocharger or a supercharger. In a naturally aspirated engine, air for combustion (Diesel cycle in...
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