TURBOSUPERCHARGE ENGINE APPARATUS

摘要

PURPOSE:To provide a turbosupercharge engine apparatus capable of restraining the shortage of an air amount in a low load and reducing the air amount in a high load. CONSTITUTION:This turbosupercharge engine apparatus is composed of a turbosupercharger consisting of a compressor 23 provided in an intake pipe of the engine and a turbine 25 provided in an exhaust pipe of the engine, a waste gate valve 27 provided in a bypass line for bypassing the turbine, a boost pipe 28 for the boost pressure in the engine side intake pipe from the compressor to the waste gate valve 27 and boost pressure varying means 31-34 for varying the boost pressure and guiding the boost pressure to the waste gate valve 27.