Method for Controlling Boost Pressure in a Turbocharged Diesel Engine

Abstract

Compressor surge on turbocharged Diesel engines when operating in temporary throttled airflow, such as are required for the periodic regeneration of lean NOx traps is prevented by controlled operation of a boost air blow-off valve positioned downstream of the compressor outlet of the turbocharger.

Patent Number
7,010,914
Date Of Issue
Inventors

Charles E. Roberts Jr.; Ryan C. Roecker