Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1985-10-07
1987-07-21
Husar, Stephen F.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
290 52, F02B 3344
Patent
active
046809333
ABSTRACT:
An exhaust gas turbocharger consists of an exhaust gas turbine and a compressor mounted on a common shaft which can be driven by an electric motor controlled via a controller. The controller, which is designed as a computer, receives as control data the control input supplied to the controller of the internal combustion engine as the set value and actual performance values. The controller computes and supplies, from the received control data and from stored values, control signals by which, in the motor-operating mode of the electric motor, the internal combustion engine accelerates as quickly as possible at combustion air ratios optimal for low-smoke combustion and by which, in the generator-operating mode of the electric motor, a maximum of excess exhaust gas energy can be fed to an electric accumulator network as electrical energy via a static converter. The switch from motor to generator operation and vice versa is controlled as a function of a presettable charging air pressure value, or a charging air pressure valve computed by the controller, or of the output of the internal combustion engine.
Bozung Hanns-Gunther
Nachtigal Joachim
Husar Stephen F.
Siemens Aktiengesellschaft
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