Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Reexamination Certificate
2007-09-10
2009-08-25
Denion, Thomas E (Department: 3748)
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
C251S117000, C137S513700
Reexamination Certificate
active
07578129
ABSTRACT:
A multiple-turbocharger system for an internal combustion engine includes a first turbocharger comprising a first compressor driven by a first turbine, the first turbine operable to be driven by exhaust gas from the engine; a second turbocharger comprising a second compressor driven by a second turbine, the second turbine operable to be driven by exhaust gas from the engine; a first conduit arranged for supplying exhaust gas from the engine to the first turbine, and a second conduit arranged for supplying exhaust gas from the engine to the second turbine; and a valve coupled with the second conduit and switchable between an open condition allowing exhaust gas flow from the second conduit to the second turbine, and a closed condition substantially preventing exhaust gas flow from the second conduit to the second turbine but allowing a leakage flow to the second turbine sufficient to keep the second turbine rotating.
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Perrin Jean-Luc
Prebost Yannick
Renaud Philippe
Alston & Bird
Davis Mary A
Denion Thomas E
Honeywell International , Inc.
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