Cylinder-pressure-based electronic engine controller and method

Details Cylinder-pressure-based electronic engine controller and method Cylinder-pressure-based electronic engine controller and method

2007-08-27

2009-10-20

Wolfe, Jr., Willis R (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S102000, C701S115000, C073S114160

Reexamination Certificate

active

07606655

ABSTRACT:
An engine data acquisition and control system measures cylinder pressure at a high degree of resolution and then processes it for portions of the combustion cycle of interest for performing combustion calculations. The data are utilized to calculate combustion parameters, and the combustion parameters may be utilized to control the engine's fuel and/or spark timing/duration, and other variables affecting the combustion process. The system architecture provides for acquisition of very large amounts of data without unduly loading the CPU.

REFERENCES:
patent: 5276625 (1994-01-01), Nakaniwa
patent: 5623412 (1997-04-01), Masson et al.
patent: 6675638 (2004-01-01), Pfitz
patent: 6854441 (2005-02-01), Vermonet et al.
patent: 2008/0133108 (2008-06-01), Kojima et al.

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