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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: 
03/14/2006
Inventors: 

Charles E. Roberts Jr.; Ryan C. Roecker