Process and braking arrangement for an exhaust gas turbocharger

Details Process and braking arrangement for an exhaust gas turbocharger Process and braking arrangement for an exhaust gas turbocharger

1999-04-01

2000-07-11

Kamen, Noah P.

Power plants

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

With supercharging means for engine

123323, F02B 3712

Patent

active

060855266

ABSTRACT:
In a process for adjusting an exhaust gas turbocharger having a variable turbine geometry in the engine braking operation, engine operating parameters are measured for determining an actuating signal influencing the position of the turbine geometry. In order to provide a brake performance maximum for all rotational speed ranges of the engine, the charging pressure in the intake pipes and the exhaust gas counterpressure in the exhaust gas pipes are measured as engine operating parameters in front of the exhaust gas turbocharger, a total pressure is determined as the sum of the charging pressure and the exhaust gas counterpressure, and the turbine geometry is adjusted to such an extent that the total pressure corresponds to a maximal pressure.

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