Virtual compressor outlet temperature sensing for charge air...

Details Virtual compressor outlet temperature sensing for charge air... Virtual compressor outlet temperature sensing for charge air...

2006-12-05

2006-12-05

Trieu, Thai-Ba (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C060S605200, C123S563000, C123S568220

Reexamination Certificate

active

07143580

ABSTRACT:
A system and method for controlling an internal combustion engine, having an exhaust recirculation (EGR) system and a charge air cooler, to prevent overheating the charge air cooler. The system calculates the output temperature of a turbocharger compressor as a function of ambient air temperature, air pressure, air mass flow rate, and turbo speed by processing an equation and controls the engine to modify charge air flow to reduce the output temperature of the turbocharger compressor if that temperature exceeds that of a determined crucial temperature above which charge air cooler damage could occur.

REFERENCES:
patent: 6347519 (2002-02-01), Kreso
patent: 6401457 (2002-06-01), Wang et al.
patent: 6529815 (2003-03-01), Hawkins et al.
patent: 6681171 (2004-01-01), Rimnac et al.
patent: 6698203 (2004-03-01), Wang

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