Internal combustion engine thermal state model

Details Internal combustion engine thermal state model Internal combustion engine thermal state model

1997-05-22

1999-08-03

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

12356822, 12356831, 701103, 7320411, 731182, F02D 4500

Patent

active

059311401

ABSTRACT:
An internal combustion engine system is reticulated into an exhaustive network of interdependent temperature nodes and heat transfer branches for estimating thermal states at various nodes as required in engine control and diagnostic operations. All material heat transfer processes of each node of interest in engine control and diagnostics are modeled with additional nodes and their respective heat transfer processes added as necessary for a comprehensive analysis of all thermal dependencies, resulting in a precise, generic, portable thermal model for each relevant engine system temperature node.

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patent: 5610844 (1997-03-01), Maus et al.
SAE Paper No. 970030 "A Model for EGR Mass Flow Rate Estimation", Azzoni et al, Detroit, MI Feb. 24-27, 1997, (pp. 47-53).

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