Exhaust gas cleaning device of internal combustion engine

Details Exhaust gas cleaning device of internal combustion engine Exhaust gas cleaning device of internal combustion engine

1982-09-30

1984-03-20

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60304, 180319, F01N 330

Patent

active

044373066

ABSTRACT:
An exhaust gas cleaning device of an internal combustion engine wherein a secondary-air supply passage is connected to an exhaust system of the engine and a reed valve means is provided in the intermediate part of the secondary-air supply passage for opening in response to the pulsation pressure of the exhaust gas in the exhaust system to supply secondary air for cleaning exhaust gas to an exhaust passage and burn the unburnt components present in the exhaust passage thereby to clean exhaust gas. A desired amount of secondary air is supplied to each of a plurality of exhaust systems so that the exhaust gas cleaning efficiency as well as the reliability and durability of the reed valve means are improved and moreover a good external appearance is obtained.

REFERENCES:
patent: 4133175 (1979-01-01), Katoh
patent: 4154058 (1979-05-01), Mase
patent: 4387565 (1983-06-01), Otani

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