Method of controlling the charge air mass flow of a supercharged

Details Method of controlling the charge air mass flow of a supercharged Method of controlling the charge air mass flow of a supercharged

1999-03-20

2000-12-05

Kamen, Noah P.

Power plants

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

With supercharging means for engine

606052, F02D 2300

Patent

active

061550493

ABSTRACT:
In a method of controlling the charge air mass flow of an internal combustion engine having an exhaust gas turbocharger with adjustable turbine geometry and a control unit for controlling the operation of the turbocharger, the intake air and exhaust gas pressures are determined and a corresponding differential pressure value is generated which is compared with a desired differential pressure value for generating a control signal on the basis of which the turbine geometry is adjusted and, during instationary engine operation when an increased engine load is required, the turbine geometry adjustment is modified so as to reduce the turbine inlet flow cross-section to thereby increase the engine charge air pressure.

REFERENCES:
patent: 5083434 (1992-01-01), Dahlgren et al.
patent: 5551235 (1996-09-01), Entenmann et al.

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