System and method for backpressure compensation for...

Details System and method for backpressure compensation for... System and method for backpressure compensation for...

2005-03-10

2008-10-21

Trieu, Thai-Ba (Department: 3748)

Power plants

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

With supercharging means for engine

C060S605100, C060S605200, C060S285000, C060S286000, C060S297000, C701S108000, C701S110000, C701S114000

Reexamination Certificate

active

07437874

ABSTRACT:
A method for controlling exhaust gas particulate emissions from a compression ignition internal combustion engine having a variable geometry turbocharger (VGT) includes the steps of determining backpressure across the engine and air mass flow into the engine, closing vanes of the VGT to provide air mass flow increase when backpressure is increasing, and stopping the step of closing the vanes of the VGT when a decrease in rate of change of air mass flow is determined.

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