Internal-combustion engines – Combustion chamber means having fuel injection only – Having a particular relationship between injection and...
Reexamination Certificate
2007-11-06
2007-11-06
Huynh, Hai (Department: 3747)
Internal-combustion engines
Combustion chamber means having fuel injection only
Having a particular relationship between injection and...
C123S435000
Reexamination Certificate
active
11217284
ABSTRACT:
The present invention relates to a method for controlling an internal combustion engine having a means (16) for directly injecting fuel as well as a means (22) for admitting at least one fluid into the combustion chamber, a cylinder (12), a burned-gas exhaust means (28), and a processing and control unit (48) receiving information on at least the driver's torque demand and the engine speed (Ne), comprising a) determining the desired torque (Torque_des) corresponding in particular to driver demand; b) from this desired torque, determining a desired Indicated Mean Effective Pressure (IMEP_des) from which the parameters (Mair_sp, BGR_sp) are established to control admission of at least one fluid into the combustion chamber; and c) determining a specified value of the IMEP (IMEP_sp) from the desired IMEP and at least one magnitude linked to the fluid admitted into the combustion chamber, to define the fuel injection parameters (Mfuel_i, SOI_i, Pfuel) in the combustion chamber.
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Castagne Michel
Perrin Herve
Antonelli, Terry Stout & Kraus, LLP.
Huynh Hai
Institut Francais du Pe'trole
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