Conversion Of Pneumatic To Electrically Actuated Waste Gated Turbo Charger

This paper presents the conversion of pneumatic actuated waste gated turbo charger to electrically actuated waste gated turbo charger using a DC brushed motor. In recent years, the turbo charger is one of the basic accessories in a heavy vehicle. Its function is to enable more amount of fresh charge and enhance the development of power. The need of compactness and higher efficiency for a turbocharger in automotive application allows reduction in power consumption. To address the above criteria, study has been carried out to develop a compact waste gate turbocharger which is electrically actuated. Electric actuator consists of a electric motor with speed reducing gear and a output linear actuator to operate the waste gate valve. The advantage over the conversion of pneumatic to electric are better response increase turbine efficiency The angle of valve opening can be manipulated as required ,enabling the turbocharger to run at its maximum efficiency speed for most time.