Car Tests with a Free-Running Pressure-Wave Charger-A Study for an Advanced Supercharging System

For study purposes, an improved Pressure-Wave Supercharger (PWS), without belt drive, was investigated and adapted to a Mercedes-Benz passenger car diesel engine.

Tests were performed both on the test bench and in a car of the Mercedes-Benz compact class. Characteristics, advantages and drawbacks of the new system will be shown and discussed.