System and method for estimating volumetric efficiency for...

Details System and method for estimating volumetric efficiency for... System and method for estimating volumetric efficiency for...

2007-12-27

2008-12-30

Vo, Hieu T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S110000, C123S090150, C123S090170

Reexamination Certificate

active

07472013

ABSTRACT:
An engine control module comprises a table that outputs a parked VE estimate based on an input parameter when intake and exhaust cam phasers of an engine are in a parked position. A calculation module calculates VE estimate when the intake and exhaust cam phasers are not in a parked position based on the parked VE estimate and a mathematical relationship.

REFERENCES:
patent: 6600989 (2003-07-01), Sellnau et al.
patent: 6997149 (2006-02-01), Ruiz
patent: 2007/0221149 (2007-09-01), Ruiz

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