Internal combustion engine having a turbo-supercharger and a cat

Details Internal combustion engine having a turbo-supercharger and a cat Internal combustion engine having a turbo-supercharger and a cat

1981-01-07

1983-09-20

Hart, Douglas

Power plants

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

With supercharging means for engine

60280, 60284, F01N 504, F01N 308, F02B 3700

Patent

active

044048041

ABSTRACT:
An internal combustion engine having a turbo-supercharger and a catalytic exhaust gas purifying device located downstream of the exhaust gas turbine. The exhaust passage is provided with a bypass passage in parallel with the exhaust gas turbine and a valve is provided for opening the bypass passage when the engine operating temperature is below a predetermined value so that the exhaust gas is passed through the bypass passage to the catalytic device. This arrangement is effective to heat the catalytic device rapidly to a working temperature.

REFERENCES:
patent: 3257796 (1966-06-01), Updike
patent: 3732696 (1973-05-01), Masaki
patent: 4174617 (1979-11-01), Jalali-Karchay
patent: 4197711 (1980-04-01), Fuhrmann
patent: 4202176 (1980-05-01), Mezger
patent: 4203296 (1980-05-01), Tanaka et al.
patent: 4235076 (1980-11-01), Meloche
patent: 4244187 (1981-01-01), Lane
patent: 4248047 (1981-02-01), Sumi
patent: 4271672 (1981-06-01), Withalm

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