Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1998-04-15
2000-05-02
Kamen, Noah P.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
60600, F02D 2300
Patent
active
060558113
ABSTRACT:
The present invention includes a method and apparatus for controlling the air flow into an engine. The engine has a wastegate and a choke valve. The method includes the steps of determining an air pressure within the intake manifold and comparing the air pressure to a desired air pressure. A position of the choke valve and wastegate is then determined in response to the comparison. The apparatus includes an air pressure sensor for sensing the actual air pressure within the intake manifold. A controlling means compares the actual air pressure with a desired air pressure and responsively determines a position of the choke valve and the wastegate. A choke valve actuator and wastegate actuator position the choke valve and the wastegate respectively.
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Maddock James B.
Mehdian Fred
Tran David
Caterpillar Inc.
Kamen Noah P.
McPherson III W. Bryan
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