Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1982-06-28
1984-08-21
Koczo, Michael
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
F02B 3712
Patent
active
044662483
ABSTRACT:
A control method and device for the waste gate of a turbocharged internal combustion engine. This exhaust discharge control device entails a waste gate held closed by at least one spring which pushes it back into the closed position against the engine air feed pressure prevailing immediately downstream from the compressor and acting on a control piston for the gate in order to bring about the opening of the gate and to bypass the turbine. The control chamber (20) delimited by at least a part of the surface of the control piston (22) is connected by a conduit (25) and a control valve (27) to a source of fluid under pressure (29, 28a). The control valve (27) is activated by the accelerator pedal (35) of the engine in the area (36) of low engine loads. The invention is applicable to the automatic bypassing of a supercharging turbocompressor's turbine at low engine loads.
REFERENCES:
patent: 3233403 (1966-02-01), MacInnes
Koczo Michael
Regie Nationale des Usines Renault
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