Method and arrangement for controlling the charge pressure...

Details Method and arrangement for controlling the charge pressure... Method and arrangement for controlling the charge pressure...

2005-08-16

2005-08-16

Richter, Sheldon J (Department: 3748)

Power plants

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

With supercharging means for engine

C600S553000, C600S553000, C600S553000, C123S562000

Reexamination Certificate

active

06928819

ABSTRACT:
The invention is directed to a method and an arrangement for controlling the charging pressure of an exhaust-gas turbocharger (1) wherein a charging pressure actual value (pvdkds) is tracked to a charging pressure desired value (plsoll). The charging pressure of the exhaust-gas turbocharger (1) is controlled in dependence upon a characteristic variable of an electric auxiliary charger (5). The electric auxiliary charger (5) coacts with the exhaust-gas turbocharger (1) for compressing the inducted air. In this way, an unnecessary opening of a bypass valve of the exhaust-gas turbocharger (1) is avoided.

REFERENCES:
patent: 5771868 (1998-06-01), Khair
patent: 6079211 (2000-06-01), Woollenweber et al.
patent: 6637205 (2003-10-01), Ahmad et al.
patent: 6722129 (2004-04-01), Criddle et al.
patent: 6729124 (2004-05-01), Baeuerle et al.
patent: 2004/0194465 (2004-10-01), Bolz et al.

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