Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Reexamination Certificate
2006-05-26
2008-10-14
Trieu, Thai-Ba (Department: 3748)
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
C123S323000, C123S321000
Reexamination Certificate
active
07434398
ABSTRACT:
Method for controlling the braking effect during engine braking in an internal combustion engine (10) having an exhaust turbocharger unit (16) with adjustable guide blades for controlling the turbine speed and gas flow. The method includes detection of the engine speed, detection of the adjustment position of the guide blades, measurement either of the charging pressure on the intake side of the engine or the manifold pressure on the exhaust side of the engine, comparison of these data with stored desired values, and adjustment of the guide blades to a desired position which gives a suitable braking effect for the prevailing charging pressure.
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Kallen Per-Olof
Olsson Goran
Persson Per
Novak Druce & Quigg LLP
Trieu Thai-Ba
Volvo Lastvagnar AB
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