Exhaust gas cleaning device for internal combustion engine of mo

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

1982-09-22

1985-02-19

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60293, F01N 322

Patent

active

044997248

ABSTRACT:
An improved internal combustion engine for use with motorcycles including an intake system, an exhaust system, a starting aid such as a choke valve in the intake system for expediting the engine starting, and an exhaust gas cleaning device adapted to supply secondary air to the exhaust system for cleaning the exhaust gas flowing therethrough. The exhaust gas cleaning device comprises a secondary-air supply passage communicated with the exhaust system, a secondary-air control valve gear disposed in the intermediate part of the secondary-air supply passage and adapted to regulate the flow rate of the secondary air flowing through the supply passage, and a controller connected to the valve gear and adapted to close the same on detecting the operation of the starting aid and a vehicle speed below a set value.

REFERENCES:
patent: 3849984 (1974-11-01), Toda
patent: 3919843 (1975-11-01), Arnaud
patent: 4014169 (1977-03-01), Umino
patent: 4165611 (1979-08-01), Ishikawa

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