Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1993-12-13
1995-02-07
Bertsch, Richard A.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
60611, 123564, F02D 2300
Patent
active
053866983
ABSTRACT:
A control system and method for governing turbocharged internal combustion engines is disclosed including an electronic control unit, a fuel flow control valve, an engine speed sensor, and a bypass valve to control exhaust gas flow through an exhaust bypass conduit. When engine speed is above a first predetermined engine speed, the electronic control unit controls the bypass valve to regulate exhaust gas flow through the bypass conduit, thereby limiting exhaust gas flow through the turbocharger. When the engine speed reaches a second, predetermined engine speed value that is higher than the first predetermined engine speed value, the electronic control unit completely opens the bypass valve allowing virtually total bypass of the turbocharger, and limits fuel flow to the engine by controlling the fuel flow control valve.
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Bertsch Richard A.
Cummins Engine Company, Inc.
Durlacher James M.
Freay Charles G.
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