Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Reexamination Certificate
2007-05-15
2007-05-15
Solis, Erick (Department: 3747)
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
C123S064000, C123S481000, C123S673000, C123S674000
Reexamination Certificate
active
11535468
ABSTRACT:
A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporization effects from fuel puddles in deactivated cylinders are considered when calculating the fueling compensation for active cylinders.
REFERENCES:
patent: 4318377 (1982-03-01), Occella et al.
patent: 4791903 (1988-12-01), Fujieda et al.
patent: 5653202 (1997-08-01), Ma
patent: 2005/0229897 (2005-10-01), Zoller
Kolmanovsky Ilya V.
Lewis Donald J.
Michelini John Ottavio
Song Gang
Alleman Hall McCoy Russell & Tuttle LLP
Ford Global Technologies LLC
Lippa Allan J.
Solis Erick
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