Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1985-02-28
1985-12-31
Koczo, Michael
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
123 906, 123559, 123568, F02B 3700
Patent
active
045612536
ABSTRACT:
A method of operating a four-stroke cycle Diesel engine supercharged by an exhaust gas-driven turbocompressor with valve timing comprising a partial overlap of the opening periods of the exhaust and intake valves, with early intake closure and partial exhaust closure for the major part of the intake step followed by partial reopening of the exhaust and its final closure near bottom dead center after closure of the intake valve. At low and medium engine powers part of the supercharged intake air is bypassed to an end of an exhaust manifold, thereby increasing the cylinder filling factor and combustion air excess and substantially reducing exhaust valve temperature in the mid-power operating range of the engine.
REFERENCES:
patent: 1952881 (1934-03-01), Minter
patent: 2292233 (1942-08-01), Lysholm
patent: 2644436 (1953-07-01), Berlyn
patent: 3298332 (1967-01-01), Elsbett
patent: 3412552 (1968-11-01), Elsbett
patent: 4075990 (1978-02-01), Ribeton
patent: 4404805 (1983-09-01), Curtil
Koczo Michael
Societe d'Etudes de Machines Thermiques (SEMT)
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