Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1981-09-08
1983-07-05
Hart, Douglas
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
60605, 60624, F02B 3700
Patent
active
043910980
ABSTRACT:
First and second waste gates respectively control the supercharging pressure of an engine supercharger and the pressure fed to an auxiliary turbine from the engine turbo-charger turbine. The scroll of the auxiliary turbine is divided by a partition into first and second passages which respectively receive the exhaust gases by-passed by the first waste gate and the exhaust gases from the turbo-charger turbine. The first waste gate prevents over pressurization of the engine cylinders while the second prevents the build up of excessive back pressure downstream of the turbo-charger turbine, thus maintaining the efficiency and torque output of the engine while still deriving benefit from the operation of the auxiliary turbine.
REFERENCES:
patent: 2173595 (1939-09-01), Schutte
patent: 2245163 (1941-06-01), Smith
patent: 3007302 (1961-11-01), Vincent
patent: 3906729 (1975-09-01), Connor
patent: 4100742 (1978-07-01), Harp, Jr.
Automotive Engineering, vol. 86, No. 8, Aug. 1978, "Using Waste Heat Boosts Diesel Efficiency", pp. 84-94.
Automotive Engineering, vol. 87, No. 1, Jan. 1979, "From Racetrack to Roadway", pp. 46-51.
Hart Douglas
Nissan Motor Company Limited
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