Integrated engine dilution control

Details Integrated engine dilution control Integrated engine dilution control

1996-04-18

1997-09-16

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123571, F02M 2507

Patent

active

056669313

ABSTRACT:
Integrated dilution control for diluting internal combustion engine intake air through control of relative timing between engine cylinder intake and exhaust valve events integrated with control of recirculation of engine exhaust gas through an external exhaust gas conduit with periodic recalibration of modeled relationships between dilution control parameters to correct for effects of dilution control system aging. Internal dilution provided through control of relative valve timing further may be maximized and external dilution provided through the external conduit minimized.

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