Turbocharged engine and method of operating same

Details Turbocharged engine and method of operating same Turbocharged engine and method of operating same

1978-09-19

1981-06-02

Koczo, Jr., Michael

Power plants

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

With supercharging means for engine

251121, 251210, 251359, F02B 3700

Patent

active

042703565

ABSTRACT:
A turbocharged engine system has an internal-combustion engine whose exhaust gases drive a turbine at a speed generally proportional to the exhaust-gas pressure. This turbine in turn drives a supercharger that feeds air to the engine intake at a pressure that is generally proportional to the turbine speed. A bypass valve connected across the turbine is opened above a predetermined engine speed to shunt the exhaust gases around the turbine and thereby prevent excessive supercharging of the engine. The pressure of the engine exhaust gases is, however, decreased steadily and proportionately with increasing engine speed above a predetermined second engine speed to operate the engine with an intake-manifold pressure that is slightly below that at which knocking would occur for increased horsepower output.

REFERENCES:
patent: 973551 (1910-10-01), Osborne
patent: 3906729 (1975-09-01), Connor et al.
patent: 4075849 (1978-02-01), Richardson
patent: 4120156 (1978-10-01), McInerney

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