Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Reexamination Certificate
2005-12-13
2008-03-11
Denion, Thomas (Department: 3748)
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
Reexamination Certificate
active
07340896
ABSTRACT:
A method for regulating the turbine power of a turbo in an internal combustion engine. The internal combustion engine comprises an exhaust-driven turbine with guide elements for guiding the exhaust gas flow to the turbine wheel, the orientation of the guide elements around respective axes thereof parallel to the axis of the turbine are adjustable within a range defined by a first end position (A) and a second end position (C) for the purpose of regulating the quantity of exhaust gases through the turbine. For a medium to large exhaust gas flow, the guide elements are adjusted into a guide element position (F) which lies within a subrange (D, E) of the range (A, C), which subrange (D, E) includes at least one guide element position with a higher turbine efficiency than the guide element positions outside the subrange have, and exhaust gases which are regarded as superfluous when the guide elements have been adjusted into the guide element position (F) are bypassed past the turbine in order for it to be possible for desired turbine power to be obtained.
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Davis Mary A
Denion Thomas
Ostrolenk Faber Gerb & Soffen, LLP
SAAB Automobile AB
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