Method for controlling boost pressure in a turbocharged...

Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine

Reexamination Certificate

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C060S611000, C123S564000

Reexamination Certificate

active

07010914

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.

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patent: 6938419 (2005-09-01), Okuyama et al.

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