Internal combustion engine having a turbo-supercharger with an a

Details Internal combustion engine having a turbo-supercharger with an a Internal combustion engine having a turbo-supercharger with an a

1979-12-20

1983-02-15

Koozo, Michael

Power plants

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

With supercharging means for engine

60605, F02B 3700

Patent

active

043733360

ABSTRACT:
An internal combustion engine has a turbo-supercharger connected to an engine charge air intake manifold and an exhaust gas turbine connected to an engine exhaust manifold. An automatic bypass includes a bypass line interconnecting the exhaust manifold upstream of the exhaust gas turbine and the air intake manifold downstream of the compressor. A bypass valve in the bypass line comprising an adjustable throttle member for adapting the quantity of bypassed gas to the respective operating state of the engine. An actuating piston closes the throttle member in response to pressures from the compressor side above a pre-selected value. The actuating piston is disposed on a side of the throttle member facing away from the air intake manifold. The resistance of the valve to flow from the compressor side to the turbine side is less than the resistance in the opposite direction. The resistance to flow, and the fully unseated valve position define an operating curve of the engine which is adjustable. The throttle member can close before the maximum engine output point is reached.

REFERENCES:
patent: 2654991 (1953-10-01), Nettel
patent: 3232044 (1966-02-01), Gratzmuller
patent: 3988894 (1976-11-01), Melchior

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