Fast active fuel management reactivation

Details Fast active fuel management reactivation Fast active fuel management reactivation

2007-10-15

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

C123S19800E

Reexamination Certificate

active

07472014

ABSTRACT:
An engine control module includes a valve control module that disables intake and exhaust valves corresponding to a cylinder that includes a mass of intake air. An engine cycle module determines a number of engine cycles that occurred while the cylinder is disabled. An air estimation module determines a remaining mass of air in the cylinder based on the number of engine cycles.

REFERENCES:
patent: 4111010 (1978-09-01), Minami
patent: 6964157 (2005-11-01), Adelman et al.

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