Exhaust gas cleaning system for multi-cylinder internal combusti

Details Exhaust gas cleaning system for multi-cylinder internal combusti Exhaust gas cleaning system for multi-cylinder internal combusti

1981-12-02

1988-03-01

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60305, 180219, 180291, F01N 330

Patent

active

047277173

ABSTRACT:
An improved exhaust gas cleaning system for a multi-cylinder internal combustion engine having an exhaust system with exhaust ports opening into a plurality of combustion chambers. A secondary air supplying system is in communication with the exhaust system for supplying secondary air to the exhaust system. A plurality of reed valve devices are interposed in the secondary air supplying system and are operated to open and close in response to pulsations of exhaust gas developed in the exhaust system during engine operation for controlling supply of secondary air to the respective exhaust ports independently of each other.

REFERENCES:
patent: 3906722 (1975-09-01), Garcea
patent: 4154058 (1979-05-01), Mase

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