Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1979-06-15
1981-02-03
Koczo, Michael
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
F02B 3700
Patent
active
042480477
ABSTRACT:
An exhaust bypass valve assembly for an internal combustion engine including a throttle valve downstream of a compressor of an exhaust gas turbo-supercharger for controlling intake mixture flows, a bypass causing part of exhaust gases to flow therethrough without passing through an exhaust gas turbine and an exhaust bypass valve provided in said bypass comprises a first diaphragm device adapted to be operated by a pressure upstream of the throttle valve to open the exhaust bypass valve and a second diaphragm device adapted to be operated by a pressure difference across the throttle valve to open the exhaust bypass valve. The first and second diaphragm devices are arranged in series with a rod of the exhaust bypass valve. With this arrangement according to the invention, the bypass valve is opened by the difference pressure across the throttle valve during an operation of an engine under a partially loaded condition, thereby rendering smooth the exhaust gas flow to improve the combustion of fuel mixture.
REFERENCES:
patent: 3941035 (1976-03-01), Mueller
Koczo Michael
Nissan Motor Company Limited
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