Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Patent
1998-08-05
2000-01-04
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
12356821, F02M 2507
Patent
active
060098627
ABSTRACT:
A system and method for controlling exhaust gas recirculation flow of an internal combustion engine uses a feedforward estimate based on throttle position in addition to a feedback term based on a measured pressure differential across an orifice indicative of flow. The throttle position acts as a as a leading signal thus compensating for inherent delays in the exhaust gas recirculation flow control system.
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Doorenbos Keith Zwyghuizen
Ulrey Joseph Norman
Wanat Richard Louis
Willey Jonathan
Drouillard Jerome R.
Ford Global Technologies Inc.
Wolfe Willis R.
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