Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1976-08-19
1981-02-17
Garrett, Robert E.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
60278, F02B 3344
Patent
active
042507111
ABSTRACT:
An arrangement for supercharging an internal combustion engine such as a diesel engine wherein a turbo-charger incorporating a turbine driven by the exhaust gases from the engine is coupled to and drives a compressor which provides charging air for the engine at the desired pressure. A portion of the exhaust gases is recirculated through the engine by introducing it into the charging air in a part of the compressor at a point following the rotor blading which is at a lower pressure than the exhaust gases thus avoiding any deleterious corrosion effect upon the blading. The amount of the exhaust gases being so recirculated is controlled either by an open or closed type of control circuit. The recirculated exhaust gases are conducted from either the inlet or outlet side of the turbine to the compressor through a feedback path which includes the open or closed loop control and which may also include a receiver for equalizing out any fluctuations in exhaust gas pressure, an auxiliary compressor, a cooler or a one-way valve.
REFERENCES:
patent: 2659194 (1953-11-01), Huber
patent: 3173241 (1965-03-01), Birmann
patent: 3775971 (1973-12-01), Gadefelt
patent: 3817232 (1974-06-01), Nakajima et al.
patent: 3844261 (1974-10-01), Garcea
patent: 3861367 (1975-01-01), Kelmar
patent: 3914944 (1975-10-01), Schmidt
patent: 3925989 (1975-12-01), Pustelnik
BBC Brown Boveri & Company Limited
Garrett Robert E.
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