Turbocharged internal combustion engine having an engine driven

Details Turbocharged internal combustion engine having an engine driven Turbocharged internal combustion engine having an engine driven

1982-06-07

1985-03-19

Koczo, Michael

Power plants

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

With supercharging means for engine

F02B 3704

Patent

active

045051178

ABSTRACT:
An internal combustion engine including a turbocharger and a controller for the turbocharger. The engine has an air intake to receive a charge of compressed air while the turbocharger includes a compressor connected to the air intake. The turbine is connected to and driven by exhaust gases of the engine and drives the compressor. The controller limits the pressure of the compressed air charge to below a predetermined pressure at high engine speed. The engine further includes a positive displacement compressor connected to the inlet of the turbocharger compressor to supply compressed air at low engine speeds, and a direct drive for the positive displacement compressor. The drive is selectively operable and able to be selectively disabled. The engine also includes a second controller for limiting the combined air pressure when both compressors are operated at below the predetermined pressure level and to disable the direct drive and the positive displacement compressor when the turbocharger is supplying a compressed air charge at a desired pressure level.

REFERENCES:
patent: 2296268 (1942-09-01), Buchi
patent: 2306277 (1942-12-01), Oswald
patent: 3335563 (1967-08-01), Kitchen
patent: 3921403 (1975-11-01), McInerney et al.
patent: 4258550 (1981-03-01), Hinkle et al.

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