Secondary air supply system for an internal combustion engine

Details Secondary air supply system for an internal combustion engine Secondary air supply system for an internal combustion engine

1976-04-22

1978-08-08

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

F01N 310

Patent

active

041048792

ABSTRACT:
A system for supplying secondary air into an exhaust system of an internal combustion engine in a manner such that the amount of secondary air is proportional to the engine intake air. The supply of the secondary air is controlled by a valve member which is biased in response to a balance between a venturi vacuum and the exhaust gas pressure until a predetermined ratio of the venturi vacuum to the exhaust gas is obtained.

REFERENCES:
patent: 3896777 (1975-07-01), Masaki
patent: 3927524 (1975-12-01), Cholvin
patent: 3931710 (1976-01-01), Hartel
patent: 3973535 (1976-08-01), Sugihara
patent: 3974651 (1976-08-01), Nakajima
patent: 3996739 (1976-12-01), Ono

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