What Is a Centrifugal Supercharger?


Quick Answer

A centrifugal supercharger is a type of air compressor that employs centrifugal energy to pump additional oxygen into an internal combustion engine. By increasing the airflow, the supercharger helps the engine burn more fuel, which increases its power output.

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Full Answer

A centrifugal supercharger contains several key components, including a diffuser, an impeller, a compressor housing and a transmission. The impeller rotates at very high speeds, drawing the air quickly into the small compressor housing. Centrifugal superchargers are considered to be the most efficient forced-intake systems on account of their light weight and location at the front of the engine. As of 2014, they are typically added as after-market enhancements, although some auto manufacturers include them in their models.

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