Engine knock control for turbocharged engines

Details Engine knock control for turbocharged engines Engine knock control for turbocharged engines

2008-03-18

2008-03-18

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

C073S035030

Reexamination Certificate

active

11684920

ABSTRACT:
An engine knock control system for an engine having a turbocharger includes a first module that determines octane scalars indicative of an engine knock propensity for each cylinder of the engine system and a second module that determines a cylinder air mass limit based on the octane scalars. A third module limits a boost output of the turbocharger based on the cylinder air mass limit.

REFERENCES:
patent: 4111035 (1978-09-01), West et al.
patent: 4364260 (1982-12-01), Chen et al.
patent: 5090382 (1992-02-01), Bolander et al.
patent: 5560337 (1996-10-01), Bolander et al.

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