Secondary air feeding device for an internal combustion engine

Details Secondary air feeding device for an internal combustion engine Secondary air feeding device for an internal combustion engine

1977-04-01

1979-08-28

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60292, 60293, F01N 315

Patent

active

041656113

ABSTRACT:
Disclosed is a secondary air feeding device for feeding secondary air into the exhaust passage located upstream of the catalytic converter. A diaphragm type secondary air control valve is provided for usually controlling an amount of secondary air fed into the exhaust passage. Said secondary air control valve stops the feeding operation of secondary air at the time of idling.

REFERENCES:
patent: 3869858 (1975-03-01), Goto
patent: 3906722 (1975-09-01), Garcea
patent: 3906723 (1975-09-01), Matumoto
patent: 3919843 (1975-11-01), Arnaud
patent: 3974651 (1976-08-01), Nakajima
patent: 4027478 (1977-06-01), Masaki

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