Method for limiting a boost pressure

Details Method for limiting a boost pressure Method for limiting a boost pressure

2007-08-28

2007-08-28

Trieu, Thai-Ba (Department: 3748)

Power plants

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

With supercharging means for engine

C701S100000, C701S102000, C073S118040, C073S118040, C060S602000

Reexamination Certificate

active

11221390

ABSTRACT:
In a method for limiting a boost pressure of an internal combustion engine which is supercharged by the compressor of an exhaust gas turbocharger including a control unit in which a desired boost pressure value is compared with a limiting value and when the desired boost pressure value exceeds the limiting value, the boost pressure is limited to the limiting value, and the limiting value is determined by a simulation model in the form of a group of a characteristic curves established as a function of an existing operating state of the internal combustion engine, a temperature, a pressure (p1), and a air mass flow rate which occur upstream of a compressor of the exhaust gas turbocharger.

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