New Pierburg air blower with speed-controlled motor for reduction of gasoline engine emissions

By mmillikin Secondary air systems are used to reduce gasoline engine emissions by accelerating catalytic converter heat-up. Pierburg GmbH has now further developed the associated secondary air blower and provided it with a speed-controlled motor. The latter allows secondary air injection across a much wider engine map range and hence, at any given point in time, the precise air mass required for accelerating converter heat-up is injected into the exhaust system.

The new speed-controlled secondary air blower rounds off Pierburg’s line-up of secondary air blowers and valves while extending the array of applications to cater for the requirements of RDE legislation,

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