Internal combustion engine

Details Internal combustion engine Internal combustion engine

1981-08-04

1983-06-21

Hart, Douglas

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

60612, F02B 3700

Patent

active

043888020

ABSTRACT:
An internal combustion engine which is adapted to be supercharged by at least two exhaust gas turbochargers operating in parallel. The engine includes an auxiliary combustion chamber, the exhaust gas of which is temporarily fed to a turbine of an exhaust gas turbocharger for improving an acceleration characteristic of the internal combustion engine. Combustion air for an idling operation of the auxiliary combustion chamber is derived from a stream of supercharging air produced by the exhaust gas turbocharger. During a partial load operation of the engine, only one of the exhaust gas turbochargers is supplied with an entire volume of the exhaust gas of the internal combustion engine to provide the supply of supercharging air. The exhaust gas from the auxiliary combustion chamber, operated with a full load for the case of accelerating in a lower load range of operation of the internal combustion engine, is fed to the turbine of the other exhaust gas turbocharger. A compressor associated with the other exhaust gas turbocharger yields the combustion air for a full load operation of the auxiliary combustion chamber.

REFERENCES:
patent: 4299090 (1981-11-01), Deutschmann

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