Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1994-03-28
1995-08-22
Bertsch, Richard A.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
F02D 2300
Patent
active
054429200
ABSTRACT:
A computer controlled, spark-ignited, turbocharged internal combustion engine has stored in memory, turbocharger compressor outlet absolute pressure for desired engine performance throughout the engine speed range at sea level (760 mm. H.sub.g) ambient pressure engine operating conditions. A sensor responsive to absolute pressure at the turbocharger compressor outlet continuously monitors the absolute pressure and compares it with the stored pressure for the engine speed at which the engine is operating at any particular time. When there is a difference, the computer responds to hold or change the waste gate position such as to hold or change the boost to re-establish the same compressor outlet absolute pressure as was stored for that engine speed under sea level ambient conditions.
REFERENCES:
patent: 1508707 (1924-09-01), Moss
patent: 2374708 (1945-05-01), Shoults
patent: 2454038 (1948-11-01), Crever
patent: 4466247 (1984-08-01), Aoki
patent: 4468928 (1984-09-01), Suzuki
patent: 4476682 (1984-10-01), McInerney
patent: 5083434 (1992-01-01), Dahlgren et al.
Kamel Mostafa M.
Moore Greg A.
Bertsch Richard A.
Cummins Engine Company, Inc.
Freay Charles G.
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