Supercharger v Turbocharger
Downwind. If you look at the Turbo-charger depicted in the post from aditya104, the difference between a gear driven supercharger and the turbo charger is that the impeller/impellers is/are driven by exhaust gasses driving a turbine in the turbocharger application. The induction air stream is still ambient air drawn in and compressed which may or not then pass through an inter-cooler. Have a look at a RR Merlin engine or a Pratt & Whitney R1830 to see a couple of "Supercharger" installations. These are geardriven type superchargers.
Last edited by Old Fella; 6th April 2009 at 05:33.