Method of operating a compression ignition engine

Details Method of operating a compression ignition engine Method of operating a compression ignition engine

2008-06-04

2009-11-17

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

C701S104000

Reexamination Certificate

active

07617812

ABSTRACT:
It relates to a method of operating a compression ignition engine comprising:—determining an instantaneous driver torque demand;selectively operating the engine in a first mode or a second mode dependent on the rate of change of driver torque demand;said first mode comprising an air lead mode whereby the intake air flow rate is controlled to achieve the instantaneous driver torque demand and an amount of fuel injected is controlled to obtain a target air/fuel ratio based upon said intake air flow rate;said second mode comprising a fuel lead mode wherein the amount of fuel injected is controlled to achieve the instantaneous torque demand.

REFERENCES:
patent: 6178943 (2001-01-01), Taga et al.
patent: 6308671 (2001-10-01), Reed et al.
patent: 6510835 (2003-01-01), Mizuno et al.
patent: 6581572 (2003-06-01), Hurley et al.
patent: 2006/0048744 (2006-03-01), Castagne et al.
patent: 102 08 426 (2002-09-01), None
patent: 1 632 668 (2006-03-01), None
EP Search Report dated Nov. 9, 2007.

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